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1

Steam Champions in Manufacturing  

E-Print Network (OSTI)

Traditionally, industrial steam system management has focused on operations and maintenance. Competitive pressures, technology evolution, and increasingly complex regulations provide additional management challenges. The practice of operating a steam system demands the managerial expertise of a "Steam Champion," which will be described in this paper. Briefly, the steam champion is a facility professional who embodies the skills, leadership, and vision needed to maximize the effectiveness of a plant's steam system. Perhaps more importantly, the steam champion's definitive role is that of liaison between the manufacturer's boardroom and the plant floor. As such, the champion is able to translate the functional impacts of steam optimization into equivalent corporate rewards, such as increased profitability, reliability, workplace safety, and other benefits. The prerequisites for becoming a true steam champion will include engineering, business, and management skills.

Russell, C.

2001-05-01T23:59:59.000Z

2

DOE ISM CHAMPIONS  

NLE Websites -- All DOE Office Websites (Extended Search)

9/27/12 9/27/12 DOE ISM CHAMPIONS Organization Points of Contact Phone E-mail DOE ISM Co- Champion (HSS) Pat Worthington (301) 903-5926 pat.worthington@hq.doe.gov DOE ISM Co- Champion (EM) Ray Corey (509) 376-0108 ray_j_corey@rl.gov Ames Cindy Baebler (630) 252-1563 cynthia.baebler@ch.doe.gov Argonne Joanna M. Livengood (630) 252-2366 joanna.livengood@ch.doe.gov Brookhaven Bob Desmarais (631) 344-5434 rdesmarais@bnl.gov CBFO Josef A. Sobieraj (575) 234-7499 Josef.sobieraj@wipp.ws CDNS Don F. Nichols (202) 586-8216 don.nichols@nnsa.doe.gov Chicago Justin Zamirowski (630) 252-2248 justin.zamirowski@ch.doe.gov CNS-Energy Chip Lagdon (301) 903-4218 (202) 586-0799 chip.lagdon@hq.doe.gov EE Gary Staffo (202) 586-9577 gary.staffo@ee.doe.gov EM James A. Hutton (202) 586-0975 james.hutton@em.doe.gov

3

Champion Energy Services (Ohio) | Open Energy Information  

Open Energy Info (EERE)

Retrieved from "http:en.openei.orgwindex.php?titleChampionEnergyServices(Ohio)&oldid412450" Categories: EIA Utility Companies and Aliases Utility Companies...

4

Champion Energy Services | Open Energy Information  

Open Energy Info (EERE)

Champion Energy Services Place Texas Utility Id 54862 Utility Location Yes Ownership R NERC ERCOT Yes NERC RFC Yes ISO Ercot Yes RTO PJM Yes ISO MISO Yes Activity Retail Marketing...

5

Iron aluminide alloys with improved properties for high temperature applications  

DOE Patents (OSTI)

An improved iron aluminide alloy of the DO[sub 3] type is described that has increased room temperature ductility and improved high elevated temperature strength. The alloy system further is resistant to corrosive attack in the environments of advanced energy conversion systems such as those using fossil fuels. The resultant alloy is relatively inexpensive as contrasted to nickel based and high nickel steels currently utilized for structural components. The alloy system consists essentially of 26--30 at. % aluminum, 0.5--10 at. % chromium, 0.02--0.3 at. % boron plus carbon, up to 2 at. % molybdenum, up to 1 at. % niobium, up to 0.5 at. % zirconium, up to 0.1 at. % yttrium, up to 0.5 at. % vanadium and the balance iron. 3 figs.

McKamey, C.G.; Liu, C.T.

1990-10-09T23:59:59.000Z

6

Iron aluminide alloys with improved properties for high temperature applications  

DOE Patents (OSTI)

An improved iron aluminide alloy of the DO.sub.3 type that has increased room temperature ductility and improved high elevated temperature strength. The alloy system further is resistant to corrosive attack in the environments of advanced energy corrosion systems such as those using fossil fuels. The resultant alloy is relatively inexpensive as contrasted to nickel based and high nickel steels currently utilized for structural components. The alloy system consists essentially of 26-30 at. % aluminum, 0.5-10 at. % chromium, 0.02-0.3 at. % boron plus carbon, up to 2 at. % molybdenum, up to 1 at. % niobium, up to 0.5 at. % zirconium, up to 0.1 at. % yttrium, up to 0.5 at. % vanadium and the balance iron.

McKamey, Claudette G. (Knoxville, TN); Liu, Chain T. (Oak Ridge, TN)

1990-01-01T23:59:59.000Z

7

NREL: Wind Research - Baring-Gould Receives Champion Award from...  

NLE Websites -- All DOE Office Websites (Extended Search)

Baring-Gould Receives Champion Award from Women of Wind Energy May 20, 2013 Wind Powering America National Technical Director Ian Baring-Gould received the Champion Award at the...

8

Champions of Change: Veterans Advancing Clean Energy | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Champions of Change: Veterans Advancing Clean Energy Champions of Change: Veterans Advancing Clean Energy Champions of Change: Veterans Advancing Clean Energy November 6, 2013 - 11:00am Addthis Robin Eckstein, one of Champions honored at the White House Champions of Change event, speaks about her experience driving trucks while serving in Iraq, and how this has influenced her work in advocating for comprehensive clean energy reform. Robin Eckstein, one of Champions honored at the White House Champions of Change event, speaks about her experience driving trucks while serving in Iraq, and how this has influenced her work in advocating for comprehensive clean energy reform. Ben Dotson Ben Dotson Project Coordinator for Digital Reform, Office of Public Affairs View a slideshow of images from the event. Yesterday, Secretary Moniz honored veterans advancing clean energy and

9

Champions of Change: Veterans Advancing Clean Energy | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Champions of Change: Veterans Advancing Clean Energy Champions of Change: Veterans Advancing Clean Energy Champions of Change: Veterans Advancing Clean Energy November 6, 2013 - 11:00am Addthis Robin Eckstein, one of Champions honored at the White House Champions of Change event, speaks about her experience driving trucks while serving in Iraq, and how this has influenced her work in advocating for comprehensive clean energy reform. Robin Eckstein, one of Champions honored at the White House Champions of Change event, speaks about her experience driving trucks while serving in Iraq, and how this has influenced her work in advocating for comprehensive clean energy reform. Ben Dotson Ben Dotson Project Coordinator for Digital Reform, Office of Public Affairs View a slideshow of images from the event. Yesterday, Secretary Moniz honored veterans advancing clean energy and

10

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

electricity and fuel prices differ between industries andelectricity and fuel efficiency improvements in the iron and steel industryprice of electricity paid by the iron and steel industry in

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

11

Moving towards Sustainability: Improving Material Flows in the Iron Casting Industry.  

E-Print Network (OSTI)

??ustainable engineering solutions were developed to improve the sustainability of the iron casting process. These engineering solutions aimed to modify the material and energy flow… (more)

Huang, He

2010-01-01T23:59:59.000Z

12

Development of Improved Iron-Aluminide Filter Tubes and Elements  

SciTech Connect

The purpose of this Cooperative Research and Development Agreement (CRADA) was to explore and develop advanced manufacturing techniques to fabricate sintered iron-aluminide intermetallic porous bodies used for gas filtration so as to reduce production costs while maintaining or improving performance in advanced coal gasification and combustion systems. The use of a power turbine fired with coal-derived synthesis gas requires some form of gas cleaning in order to protect turbine and downstream components from degradation by erosion, corrosion, and/or deposition. Hot-gas filtration is one form of cleaning that offers the ability to remove particles from the gases produced by gasification processes without having to substantially cool and, possibly, reheat them before their introduction into the turbine. This technology depends critically on materials durability and reliability, which have been the subject of study for a number of years.

Judkins, R.R.; Sutton, T.G.; Miller, C.J.; Tortorelli, P.F.

2008-01-14T23:59:59.000Z

13

Supply Chain Landing Page - Be a champion | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Landing Page - Be a champion Landing Page - Be a champion Sustainable Supply Chains Submissions Let's Talk About Sustainable Supply Chain You are here Data.gov » Communities » Sustainable Supply Chain Be a champion The Sustainable Supply Chain Community of Practice seeks champions from industry, academia and non-profits to lead each of the community market sectors. Do you know or are you a member of a leading edge organization that is implementing sustainable supply chain practices within one of the seven current community market sectors? If yes, nominate the organization as a Champion. Sustainable supply chain practices lead to cost savings, risk mitigation, increased competitiveness and innovation and an organization providing such leadership deserves to be recognized! Click here for a description of Champion activities.

14

Veterans Advancing Clean Energy and Climate Security Champions of Change |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Veterans Advancing Clean Energy and Climate Security Champions of Veterans Advancing Clean Energy and Climate Security Champions of Change Veterans Advancing Clean Energy and Climate Security Champions of Change Addthis 1 of 7 Nancy Sutley, Chair of the White House Council on Environmental Quality (CEQ), kicks-off Champions of Change to honor veterans for advancing clean energy and climate security. Image: Matty Greene, Energy Department. 2 of 7 Secretary Moniz and CEQ Chair Nancy Sutley watch remarks by White House Chief of Staff, Denis McDonough. Image: Matty Greene, Energy Department. 3 of 7 White House Chief of Staff, Denis McDonough, addresses attendees at the Champions of Change event. Image: Matty Greene, Energy Department. 4 of 7 Secretary Moniz delivers remarks at the Champions of Change event. Image: Matty Greene, Energy Department.

15

2013 Integreated Safety Management Champions Workshop - May 15...  

NLE Websites -- All DOE Office Websites (Extended Search)

Integreated Safety Management Champions Workshop May 15-16, 2013 DOE Forrestal Headquarters Auditorium and Web Conferencing Procedings of the "2013 Special Integrated Safety...

16

Corvette Racing, Muscle Milk Teams Crowned Green Racing Champions |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Corvette Racing, Muscle Milk Teams Crowned Green Racing Champions Corvette Racing, Muscle Milk Teams Crowned Green Racing Champions Corvette Racing, Muscle Milk Teams Crowned Green Racing Champions November 12, 2013 - 1:00pm Addthis The Honda and Muscle Milk Team, pictured here, are the 2013 Michelin Green X Challenge Prototype champions. | Photo courtesy of Michelin The Honda and Muscle Milk Team, pictured here, are the 2013 Michelin Green X Challenge Prototype champions. | Photo courtesy of Michelin Chevrolet and Corvette Racing, pictured here at the Petit Le Mans race in Georgia, clinched the 2013 Michelin Green X Challenge Grand Touring Championship award. | Photo courtesy of Michelin Chevrolet and Corvette Racing, pictured here at the Petit Le Mans race in Georgia, clinched the 2013 Michelin Green X Challenge Grand Touring

17

The development of precipitated iron catalysts with improved stability  

DOE Green Energy (OSTI)

Precipitated iron catalysts are expected to be used in the next generation of slurry reactors for the large-scale production of transportation fuels from synthesis gas. These reactors may operate at higher temperatures and lower H {sub 2}: CO ratios relative to the Sasol Arge reactor. The feasibility of iron catalysts has been demonstrated under relatively mild Arge-type conditions but not under the more severe slurry conditions. The goal of this program is to identify the chemical principles governing the deactivation of precipitated iron catalysts during Fischer-Tropsch synthesis and to use these chemical principles in the design of catalysts suitable for slurry reactors.

Shah, P.P.

1990-01-01T23:59:59.000Z

18

White House Champions of Change Recognizes Solar Innovator | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

White House Champions of Change Recognizes Solar Innovator White House Champions of Change Recognizes Solar Innovator White House Champions of Change Recognizes Solar Innovator June 10, 2013 - 4:30pm Addthis Dr. Siva Sivananthan at the Sivananthan Laboratories in Bolingbrook, Illinois. | Photo courtesy of Megan Strand, UIC Dr. Siva Sivananthan at the Sivananthan Laboratories in Bolingbrook, Illinois. | Photo courtesy of Megan Strand, UIC Minh Le Minh Le Program Manager, Solar Program What are the key facts? Dr. Sivananthan, a 2009 SunShot Incubator awardee, was recently recognized by the White House as part of the Immigrant Innovator Champions of Change initiative. Dr. Sivananthan's solar research helps to advance the SunShot Initiative's goals of achieving cost-competitive solar by the end of the decade. Recently recognized by the White House, one awardee of the Energy

19

New Jersey Township Champions Sustainability | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

New Jersey Township Champions Sustainability New Jersey Township Champions Sustainability New Jersey Township Champions Sustainability April 30, 2010 - 2:53pm Addthis Woodbridge Township has installed solar panels atop its community center | Photo courtesy Woodbridge Woodbridge Township has installed solar panels atop its community center | Photo courtesy Woodbridge Joshua DeLung Caroline Ehrlich describes her New Jersey town as "a very diverse township where the quality of life and educational systems are terrific." But it's Woodbridge Township's sustainability efforts in actions such as installing solar panels and using fuel-efficient vehicles that have earned it even more attention as a sustainability champion, and community leaders are not stopping there. "Saving energy is one of our top priorities," Caroline, who is the

20

New Jersey Township Champions Sustainability | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Township Champions Sustainability Township Champions Sustainability New Jersey Township Champions Sustainability April 30, 2010 - 2:53pm Addthis Woodbridge Township has installed solar panels atop its community center | Photo courtesy Woodbridge Woodbridge Township has installed solar panels atop its community center | Photo courtesy Woodbridge Joshua DeLung Caroline Ehrlich describes her New Jersey town as "a very diverse township where the quality of life and educational systems are terrific." But it's Woodbridge Township's sustainability efforts in actions such as installing solar panels and using fuel-efficient vehicles that have earned it even more attention as a sustainability champion, and community leaders are not stopping there. "Saving energy is one of our top priorities," Caroline, who is the

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

The development of precipitated iron catalysts with improved stability  

DOE Green Energy (OSTI)

The goal of this program is to identify the chemical principles governing the deactivation of precipitated iron catalysts during Fischer-Tropsch synthesis and to use these chemical principles in the design of catalysts suitable for slurry reactors. This report covers testing an iron catalyst. During the last quarter, a new precipitated iron catalyst was prepared and tested in the slurry autoclave reactor at various conditions. This catalyst did not noticeably deactivate during 1250 hours of testing. This quarter, the test was extended to include performance evaluations at different conversion levels ranging from 35 to 88% at 265 and 275{degree}C. The conversion levels were varied by changing the feed rate. The catalytic performance at different conversion intervals was then integrated to approximately predict performance in a bubble column reactor. The run was shut down at the end of 1996 hours because of a 24-hour-power outage. When the power was back on, the run was restarted from room temperature. Catalytic performance during the first 300 hours after the restart-up was monitored. Overall product distributions are being tabulated as analytical laboratory data are obtained. 34 figs., 3 tabs.

Not Available

1990-01-01T23:59:59.000Z

22

Are You a Smart Grid Champion? | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Are You a Smart Grid Champion? Are You a Smart Grid Champion? Are You a Smart Grid Champion? October 26, 2010 - 11:05am Addthis Andy Oare Andy Oare Former New Media Strategist, Office of Public Affairs You've heard it a million times -- knowledge is power. Knowledge gave us the ability to build massive airplanes, to calculate the speed of light and, after years of reliance on nonrenewable forms of energy, is enabling a transition to a clean energy future, powered by a smarter electric grid. But there's been some confusion about what a smart grid really is. More than just advanced meters and programmable appliances, "smart" devices give the grid the flexibility to adapt to future energy needs, and to utilize more energy produced by renewable resources. The same way that computer chips helped our cars get more power and better mileage, smart

23

Fast-growing willow shrub named `Tully Champion`  

DOE Patents (OSTI)

A distinct female cultivar of Salix viminalis.times.S. miyabeana named `Tully Champion`, characterized by rapid stem growth producing greater than 25% more woody biomass than two current production clones (Salix dasyclados `SV1` and Salix miyabeana `SX64`), more than 2.5-fold greater biomass than one of its parents (Salix miyabeana `SX67`), and nearly 3-fold more biomass than another production clone (Salix sacchalinensis, `SX61`) when grown in the same field for the same length of time (two growing seasons after coppice) in Tully, N.Y. `Tully Champion` can be planted from dormant stem cuttings, produces multiple stems after coppice, and the stem biomass can be harvested when the plant is dormant. In the spring following harvest, the plant will re-sprout very vigorously, producing new stems that can be harvested repeatedly after two to four years of growth. `Tully Champion` displays a low incidence of rust disease and is not damaged by potato leafhoppers.

Abrahamson, Lawrence P. (Marcellus, NY); Kopp, Richard F. (Marietta, NY); Smart, Lawrence B. (Geneva, NY); Volk, Timothy A. (Syracuse, NY)

2007-08-28T23:59:59.000Z

24

CHAMPION: Intelligent Hierarchical Reasoning Agents for Enhanced Decision Support  

SciTech Connect

We describe the design and development of an advanced reasoning framework employing semantic technologies, organized within a hierarchy of computational reasoning agents that interpret domain specific information. Designed based on an inspirational metaphor of the pattern recognition functions performed by the human neocortex, the CHAMPION reasoning framework represents a new computational modeling approach that derives invariant knowledge representations through memory-prediction belief propagation processes that are driven by formal ontological language specification and semantic technologies. The CHAMPION framework shows promise for enhancing complex decision making in diverse problem domains including cyber security, nonproliferation and energy consumption analysis.

Hohimer, Ryan E.; Greitzer, Frank L.; Noonan, Christine F.; Strasburg, Jana D.

2011-11-15T23:59:59.000Z

25

Champion (Roscoe II) Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Champion (Roscoe II) Wind Farm Champion (Roscoe II) Wind Farm Jump to: navigation, search Name Champion (Roscoe II) Wind Farm Facility Champion (Roscoe II) Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner E.On Climate & Renewables Developer E.On Climate & Renewables Energy Purchaser Market Location Roscoe TX Coordinates 32.457897°, -100.581644° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":32.457897,"lon":-100.581644,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

26

High-temperature corrosion-resistant iron-aluminide (FeAl) alloys exhibiting improved weldability  

DOE Patents (OSTI)

This invention relates to improved corrosion-resistant iron-aluminide intermetallic alloys. The alloys of this invention comprise, in atomic percent, from about 30% to about 40% aluminum alloyed with from about 0.1% to about 0.5% carbon, no more than about 0.04% boron such that the atomic weight ratio of boron to carbon in the alloy is in the range of from about 0.01:1 to about 0.08:1, from about 0.01 to about 3.5% of one or more transition metals selected from Group IVB, VB, and VIB elements and the balance iron wherein the alloy exhibits improved resistance to hot cracking during welding.

Maziasz, Philip J. (Oak Ridge, TN); Goodwin, Gene M. (Lenoir City, TN); Liu, Chain T. (Oak Ridge, TN)

1996-01-01T23:59:59.000Z

27

High-temperature corrosion-resistant iron-aluminide (FeAl) alloys exhibiting improved weldability  

DOE Patents (OSTI)

This invention relates to improved corrosion-resistant iron-aluminide intermetallic alloys. The alloys of this invention comprise, in atomic percent, from about 30% to about 40% aluminum alloyed with from about 0.1% to about 0.5% carbon, no more than about 0.04% boron such that the atomic weight ratio of boron to carbon in the alloy is in the range of from about 0.01:1 to about 0.08:1, from about 0.01 to about 3.5% of one or more transition metals selected from Group IVB, VB, and VIB elements and the balance iron wherein the alloy exhibits improved resistance to hot cracking during welding. 13 figs.

Maziasz, P.J.; Goodwin, G.M.; Liu, C.T.

1996-08-13T23:59:59.000Z

28

Cast B2-phase iron-aluminum alloys with improved fluidity  

DOE Patents (OSTI)

Systems and methods are described for iron aluminum alloys. A composition includes iron, aluminum and manganese. A method includes providing an alloy including iron, aluminum and manganese; and processing the alloy. The systems and methods provide advantages because additions of manganese to iron aluminum alloys dramatically increase the fluidity of the alloys prior to solidification during casting.

Maziasz, Philip J. (122 Clark La., Oak Ridge, TN 37830); Paris, Alan M. (P.O. Box 64, Tarrs, PA 15688); Vought, Joseph D. (124 Cove Point Rd., Rockwood, TN 37854)

2002-01-01T23:59:59.000Z

29

Microsoft Word - Overview_Role of Champion for Sustainable Supply Chain CoP_August 30 2012.docx  

NLE Websites -- All DOE Office Websites (Extended Search)

of Data.gov of Data.gov Sustainable Supply Chain Community of Practice "Champions" August 30, 2012 Leading companies, academic institutions and non-profit organizations are increasingly focused on sustainable supply chains as a source of cost savings, innovation and competitive advantage. Recognizing that sustainable supply chains are important to a broad number of stakeholders, GSA established the Sustainable Supply Chain Community of Practice on data.gov. The community's goal is to encourage sharing of practical information such as checklists, tutorials and other supplier engagement tools that businesses, especially small and medium-sized, can use to cost effectively improve the efficiency of their operations and address sustainable supply

30

Why 3D Printers Might Create the Next Robotic Champion | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Why 3D Printers Might Create the Next Robotic Champion Why 3D Printers Might Create the Next Robotic Champion Why 3D Printers Might Create the Next Robotic Champion December 11, 2013 - 4:18pm Addthis As the nation's premier research laboratory, Oak Ridge National Laboratory is one of the world's most capable resources for transforming the next generation of scientific discovery into solutions for rebuilding and revitalizing America's manufacturing industries, with tools like 3D printers. Dot Harris Dot Harris The Honorable Dot Harris, Director, Office of Economic Impact and Diversity The Department of Energy and its partners are adding a new dimension to science, technology, engineering and math education (STEM). This December, high school teams competing in the FIRST Robotics Competition should be racing over to this FIRST Robotics website to put in their bid for a free

31

Meet Energy Champion John O'Connor of the USDA Forest Service |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Meet Energy Champion John O'Connor of the USDA Forest Service Meet Energy Champion John O'Connor of the USDA Forest Service Meet Energy Champion John O'Connor of the USDA Forest Service March 11, 2011 - 12:50pm Addthis USDA Forest Service energy champs John O'Connor, Bob Allen and Brian DeRousseau USDA Forest Service energy champs John O'Connor, Bob Allen and Brian DeRousseau April Saylor April Saylor Former Digital Outreach Strategist, Office of Public Affairs John O'Connor has worked for the U.S. Department of Agriculture Forest Service for more than 30 years. During that time, he has taken on many roles, including wastewater plant operator, forestry aid, utilities system operator and his current position as the utilities systems leader for the North Umpqua and Diamond Lake Ranger District offices of the of the Umpqua

32

Why 3D Printers Might Create the Next Robotic Champion | Department of  

NLE Websites -- All DOE Office Websites (Extended Search)

Why 3D Printers Might Create the Next Robotic Champion Why 3D Printers Might Create the Next Robotic Champion Why 3D Printers Might Create the Next Robotic Champion December 11, 2013 - 4:18pm Addthis As the nation's premier research laboratory, Oak Ridge National Laboratory is one of the world's most capable resources for transforming the next generation of scientific discovery into solutions for rebuilding and revitalizing America's manufacturing industries, with tools like 3D printers. Dot Harris Dot Harris The Honorable Dot Harris, Director, Office of Economic Impact and Diversity The Department of Energy and its partners are adding a new dimension to science, technology, engineering and math education (STEM). This December, high school teams competing in the FIRST Robotics Competition should be racing over to this FIRST Robotics website to put in their bid for a free

33

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

Potentials in the Iron and steel Industry in China. Reportfor the U.S. Iron and Steel Industry. An ENERGY STAR Guidein the U.S. Iron and Steel Industry. Report LBNL-41724.

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

34

Prof. MC Flemings' Role in Championing Industry-University  

Science Conference Proceedings (OSTI)

Battery Materials Science and Engineering to Enable Electric Transportation and Improved Grid-Level Storage ... The Solidification of Methane Hydrate.

35

The development of precipitated iron catalysts with improved stability. Technical progress report, April 1, 1990--June 30, 1990  

DOE Green Energy (OSTI)

Precipitated iron catalysts are expected to be used in the next generation of slurry reactors for the large-scale production of transportation fuels from synthesis gas. These reactors may operate at higher temperatures and lower H {sub 2}: CO ratios relative to the Sasol Arge reactor. The feasibility of iron catalysts has been demonstrated under relatively mild Arge-type conditions but not under the more severe slurry conditions. The goal of this program is to identify the chemical principles governing the deactivation of precipitated iron catalysts during Fischer-Tropsch synthesis and to use these chemical principles in the design of catalysts suitable for slurry reactors.

Shah, P.P.

1990-12-31T23:59:59.000Z

36

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry An ENERGY STAR(R) Guide for Energy and Plant Managers  

E-Print Network (OSTI)

scrap steel, pig iron, or direct reduced iron (DRI) using anthe production of direct reduced iron (DRI). DRI is producedDirect current Direct reduced iron Electric arc furnace

Worrell, Ernst

2011-01-01T23:59:59.000Z

37

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

tonne CO2/MWh) Sintering Coke Making Iron Making – Blastadopted in China include: Coke Dry Quenching (CDQ), Top-steel industry is coal and coke, the weighted average CO 2

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

38

Solid Fuel - Oxygen Fired Combustion for Production of Nodular Reduced Iron to Reduce CO2 Emissions and Improve Energy Efficiencies  

DOE Green Energy (OSTI)

The current trend in the steel industry is an increase in iron and steel produced in electric arc furnaces (EAF) and a gradual decline in conventional steelmaking from taconite pellets in blast furnaces. In order to expand the opportunities for the existing iron ore mines beyond their blast furnace customer base, a new material is needed to satisfy the market demands of the emerging steel industry while utilizing the existing infrastructure and materials handling capabilities. This demand creates opportunity to convert iron ore or other iron bearing materials to Nodular Reduced Iron (NRI) in a recently designed Linear Hearth Furnace (LHF). NRI is a metallized iron product containing 98.5 to 96.0% iron and 2.5 to 4% C. It is essentially a scrap substitute with little impurity that can be utilized in a variety of steelmaking processes, especially the electric arc furnace. The objective of this project was to focus on reducing the greenhouse gas emissions (GHG) through reducing the energy intensity using specialized combustion systems, increasing production and the use of biomass derived carbon sources in this process. This research examined the use of a solid fuel-oxygen fired combustion system and compared the results from this system with both oxygen-fuel and air-fuel combustion systems. The solid pulverized fuels tested included various coals and a bio-coal produced from woody biomass in a specially constructed pilot scale torrefaction reactor at the Coleraine Minerals Research Laboratory (CMRL). In addition to combustion, the application of bio-coal was also tested as a means to produce a reducing atmosphere during key points in the fusion process, and as a reducing agent for ore conversion to metallic iron to capture the advantage of its inherent reduced carbon footprint. The results from this study indicate that the approaches taken can reduce both greenhouse gas emissions and the associated energy intensity with the Linear Hearth Furnace process for converting iron ore to metallic iron nodules. Various types of coals including a bio-coal produced though torrefaction can result in production of NRI at reduced GHG levels. The process results coupled with earlier already reported developments indicate that this process technique should be evaluated at the next level in order to develop parameter information for full scale process design. Implementation of the process to full commercialization will require a full cost production analysis and comparison to other reduction technologies and iron production alternatives. The technical results verify that high quality NRI can be produced under various operating conditions at the pilot level.

Donald R. Fosnacht; Richard F. Kiesel; David W. Hendrickson; David J. Englund; Iwao Iwasaki; Rodney L. Bleifuss; Mathew A. Mlinar

2011-12-22T23:59:59.000Z

39

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry An ENERGY STAR(R) Guide for Energy and Plant Managers  

Science Conference Proceedings (OSTI)

Energy is an important cost factor in the U.S iron and steel industry. Energy efficiency improvement is an important way to reduce these costs and to increase predictable earnings, especially in times of high energy price volatility. There are a variety of opportunities available at individual plants in the U.S. iron and steel industry to reduce energy consumption in a cost-effective manner. This Energy Guide discusses energy efficiency practices and energy-efficient technologies that can be implemented at the component, process, facility, and organizational levels. A discussion of the structure, production trends, energy consumption, and greenhouse gas emissions of the iron and steel industry is provided along with a description of the major process technologies used within the industry. Next, a wide variety of energy efficiency measures are described. Many measure descriptions include expected savings in energy and energy-related costs, based on case study data from real-world applications in the steel and related industries worldwide. Typical measure payback periods and references to further information in the technical literature are also provided, when available. The information in this Energy Guide is intended to help energy and plant managers in the U.S. iron and steel industry reduce energy consumption and greenhouse gas emissions in a cost-effective manner while maintaining the quality of products manufactured. Further research on the economics of all measures?and on their applicability to different production practices?is needed to assess their cost effectiveness at individual plants.

Worrell, Ernst; Blinde, Paul; Neelis, Maarten; Blomen, Eliane; Masanet, Eric

2010-10-21T23:59:59.000Z

40

Improved efficiency and precise temperature control of low-frequency induction-heating pure iron vapor source on ECR ion source  

SciTech Connect

Multiply charged ions to be used prospectively are produced from solid pure material in an electron cyclotron resonance ion source (ECRIS). Recently a pure iron source is also required for the production of caged iron ions in the fullerene in order to control cells in vivo in bio-nano science and technology. We adopt directly heating iron rod by induction heating (IH) because it has non-contact with insulated materials which are impurity gas sources. We choose molybdenum wire for the IH coils because it doesn't need water cooling. To improve power efficiency and temperature control, we propose to the new circuit without previously using the serial and parallel dummy coils (SPD) for matching and safety. We made the circuit consisted of inductively coupled coils which are thin-flat and helix shape, and which insulates the IH power source from the evaporator. This coupling coils circuit, i.e. insulated induction heating coil transformer (IHCT), can be move mechanically. The secondary current can be adjusted precisely and continuously. Heating efficiency by using the IHCT is much higher than those of previous experiments by using the SPD, because leakage flux is decreased and matching is improved simultaneously. We are able to adjust the temperature in heating the vapor source around melting point. And then the vapor pressure can be controlled precisely by using the IHCT. We can control {+-}10K around 1500 Degree-Sign C by this method, and also recognize to controlling iron vapor flux experimentally in the extreme low pressures. Now we come into next stage of developing induction heating vapor source for materials with furthermore high temperature melting points above 2000K with the IHCT, and then apply it in our ECRIS.

Kato, Y.; Takenaka, T.; Yano, K.; Kiriyama, R.; Kurisu, Y.; Nozaki, D.; Muramatsu, M.; Kitagawa, A.; Uchida, T.; Yoshida, Y.; Sato, F.; Iida, T. [Osaka Univ., 2-1 Yamadaoka, Suita, Osaka, 565-0871 (Japan); National Institute of Radiological Science (NIRS), 4-9-1 Anagawa, Inage, Chiba, 263-8555 (Japan); Bio-Nano Electronics Research Centre, Toyo Univ., 2100 Kuzirai, Kawagoe, Saitama, 350-8585 (Japan); Osaka Univ., 2-1 Yamadaoka, Suita, Osaka, 565-0871 (Japan)

2012-11-06T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Development of improved iron Fischer-Tropsch catalysts. [Iron catalyst with nominal composition 100Fe/0. 3Cu/0. 8K  

SciTech Connect

Three tests (two fixed bed and one stirred tank slurry reactor) were completed during the reporting period. Also, the work on catalyst characterization by different techniques (atomic absorption, BET surface area and pore size distribution and x-ray powder diffraction).The performance of a precipitated iron catalyst with nominal composition lOOFe/0.3Cu/0.8K has been evaluated in two fixed bed reactor tests designated FB-0142 and FB-0352 following pretreatment with syngas (H{sub 2}/CO=0.67) at 280{degree}C, 3Nl/g-cat/h and atomspheric pressure for 8 hours. Flow interruption occurred in the first test (FB-0142) at about 72h on stream, and the second test (FB-0352) was to assess any potential adverse effects of this flow interruption on performance of the catalyst. The catalyst was tested at 250{degree}C, 200 psig, 2Nl/g-cat/h using syngas of the same composition as that employed during the pretreatment. Initial conversions in both tests were high (about 84%) but the catalyst deactivated fairly rapidly. The (H{sub 2} + CO) conversion at the end of the first test (120h on stream) was about 52%, whereas the syngas conversion at the end of the second test (150h) was about 55%, indicating that the brief flow interruption during test FB-0142 had resulted in higher deactivation rate. Hydrocarbon selectivities in both tests were similar and their average values werr: (CH{sub 4})=4.7, (C{sub 2}{minus}C{sub 4})=19.5, (C{sub 5}{minus}C{sub 11})=25.3 and C{sub 12}{sup +}=50.5 wt%.

Bukur, D.B.

1992-04-24T23:59:59.000Z

42

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

potential and costs of energy- efficiency improvements bypotentials and the cost of energy-efficiency measures andand Cost Assessment of Energy Efficiency Improvement and

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

43

Iron (Fe)  

Science Conference Proceedings (OSTI)

Table 19   Linear thermal expansion of iron...Table 19 Linear thermal expansion of iron Temperature Change in length, % (a) Coefficient

44

EIS-0265-SA-57: Supplement Analysis | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Analysis EIS-0265-SA-57: Supplement Analysis Watershed Management Program - Idaho Fish Screening Improvement (Champion, Iron, Fourth of July, Goat Creeks) Bonneville Power...

45

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry - An ENERGY STAR® Guide for Energy and Plant Managers  

NLE Websites -- All DOE Office Websites (Extended Search)

779E 779E ERNEST ORLANDO LAWRENCE BERKELEY NATIONAL LABORATORY Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry An ENERGY STAR ® Guide for Energy and Plant Managers Ernst Worrell, Paul Blinde, Maarten Neelis, Eliane Blomen, and Eric Masanet Environmental Energy Technologies Division Sponsored by the U.S. Environmental Protection Agency October 2010 Disclaimer This document was prepared as an account of work sponsored by the United States Government. While this document is believed to contain correct information, neither the United States Government nor any agency thereof, nor The Regents of the University of California, nor any of their employees, makes any warranty, express or implied, or

46

Preparations of rare earth-iron alloys by thermite reduction  

DOE Patents (OSTI)

An improved method for the preparation of high-purity rare earth-iron alloys by the aluminothermic reduction of a mixture of rare earth and iron fluorides.

Schmidt, Frederick A. (Ames, IA); Peterson, David T. (Ames, IA); Wheelock, John T. (Nevada, IA)

1986-09-16T23:59:59.000Z

47

Development of improved iron Fischer-Tropsch catalysts. Quarterly technical progress report, 1 January 1992--31 March 1992  

SciTech Connect

Three tests (two fixed bed and one stirred tank slurry reactor) were completed during the reporting period. Also, the work on catalyst characterization by different techniques (atomic absorption, BET surface area and pore size distribution and x-ray powder diffraction).The performance of a precipitated iron catalyst with nominal composition lOOFe/0.3Cu/0.8K has been evaluated in two fixed bed reactor tests designated FB-0142 and FB-0352 following pretreatment with syngas (H{sub 2}/CO=0.67) at 280{degree}C, 3Nl/g-cat/h and atomspheric pressure for 8 hours. Flow interruption occurred in the first test (FB-0142) at about 72h on stream, and the second test (FB-0352) was to assess any potential adverse effects of this flow interruption on performance of the catalyst. The catalyst was tested at 250{degree}C, 200 psig, 2Nl/g-cat/h using syngas of the same composition as that employed during the pretreatment. Initial conversions in both tests were high (about 84%) but the catalyst deactivated fairly rapidly. The (H{sub 2} + CO) conversion at the end of the first test (120h on stream) was about 52%, whereas the syngas conversion at the end of the second test (150h) was about 55%, indicating that the brief flow interruption during test FB-0142 had resulted in higher deactivation rate. Hydrocarbon selectivities in both tests were similar and their average values werr: (CH{sub 4})=4.7, (C{sub 2}{minus}C{sub 4})=19.5, (C{sub 5}{minus}C{sub 11})=25.3 and C{sub 12}{sup +}=50.5 wt%.

Bukur, D.B.

1992-04-24T23:59:59.000Z

48

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry An ENERGY STAR(R) Guide for Energy and Plant Managers  

E-Print Network (OSTI)

Management in the Flemish Steel Industry: the Arcelor Gentfor the iron and steel industry. Parekh, P. (2000).in the Canadian Steel Industry, Ottawa, Canada: CANMET.

Worrell, Ernst

2011-01-01T23:59:59.000Z

49

CALIFORNIA INSTITUTE OF TECHNOLOGYDISTINGUISHED ALUMNI AWARDS Dr. Mihran S. Agbabian MS 1948 CE Fred Champion Professor Emeritus of Civil Engineering, University  

E-Print Network (OSTI)

CALIFORNIA INSTITUTE OF TECHNOLOGYDISTINGUISHED ALUMNI AWARDS Dr. Mihran S. Agbabian MS 1948 CE Fred Champion Professor Emeritus of Civil Engineering, University of Southern California 2000 Dr. Bruce N. Ames PhD 1953 BI Professor/Biochemistry, University of California, Berkeley 1977 Dr. John P

Greer, Julia R.

50

Cycling Degradation of Lithium Iron Phosphate Cells  

Science Conference Proceedings (OSTI)

Abstract Scope, Significant improvement of electronic conductivity of lithium iron ... commercialization in many applications especially in plug-in electric vehicles.

51

Improved  

NLE Websites -- All DOE Office Websites (Extended Search)

Improved Improved cache performance in Monte Carlo transport calculations using energy banding A. Siegel a , K. Smith b , K. Felker c,∗ , P . Romano b , B. Forget b , P . Beckman c a Argonne National Laboratory, Theory and Computing Sciences and Nuclear Engineering Division b Massachusetts Institute of Technology, Department of Nuclear Science and Engineering c Argonne National Laboratory, Theory and Computing Sciences Abstract We present an energy banding algorithm for Monte Carlo (MC) neutral parti- cle transport simulations which depend on large cross section lookup tables. In MC codes, read-only cross section data tables are accessed frequently, ex- hibit poor locality, and are typically much too large to fit in fast memory. Thus, performance is often limited by long latencies to RAM, or by off-node communication latencies when the data footprint is very large and must be decomposed on

52

Status of improved lead-acid, nickel/iron, and nickel/zinc batteries being developed under DOE's electric vehicle battery program  

SciTech Connect

The significant progress achieved in each of the three battery systems since the initiation of this battery development program is described. The 1982 demonstrated accomplishments are verified test results obtained on multicell modules (typically three to six cells each) at NBTL through May 1982. In particular, significant technical progress has been made in extending battery life. Additional progress in cell development and battery subsystem design (chargers, watering systems, electrolyte management systems) has allowed the construction of full-size battery packs. Globe Battery Division (lead-acid), Westinghouse (nickel/iron), and Eagle-Picher (nickel/iron) delivered full-size batteries to the Jet Propulsion Laboratory (JPL) for in-vehicle testing and evaluation.

Miller, J.F.; Rajan, J.B.; Hornstra, F.; Christianson, C.C.; Yao, N.P.

1982-01-01T23:59:59.000Z

53

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry An ENERGY STAR(R) Guide for Energy and Plant Managers  

E-Print Network (OSTI)

Assessment of Energy, Waste, and Productivity ImprovementsExcessive blowdown will waste energy, water, and chemicals.Assessment of Energy, Waste, and Productivity Improvements

Worrell, Ernst

2011-01-01T23:59:59.000Z

54

Iron catalyzed coal liquefaction process  

DOE Patents (OSTI)

A process is described for the solvent refining of coal into a gas product, a liquid product and a normally solid dissolved product. Particulate coal and a unique co-catalyst system are suspended in a coal solvent and processed in a coal liquefaction reactor, preferably an ebullated bed reactor. The co-catalyst system comprises a combination of a stoichiometric excess of iron oxide and pyrite which reduce predominantly to active iron sulfide catalysts in the reaction zone. This catalyst system results in increased catalytic activity with attendant improved coal conversion and enhanced oil product distribution as well as reduced sulfide effluent. Iron oxide is used in a stoichiometric excess of that required to react with sulfur indigenous to the feed coal and that produced during reduction of the pyrite catalyst to iron sulfide.

Garg, Diwakar (Macungie, PA); Givens, Edwin N. (Bethlehem, PA)

1983-01-01T23:59:59.000Z

55

Assessment of Energy Efficiency Improvement and CO2 Emission...  

NLE Websites -- All DOE Office Websites (Extended Search)

India's Iron and Steel Industry Title Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in India's Iron and Steel Industry Publication Type Report...

56

Assessment of Energy Efficiency Improvement and CO2 Emission...  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron and Steel Industry in China Title Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China Publication Type...

57

Iron Absorption  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron Absorption Iron Absorption Name: Mary Location: N/A Country: N/A Date: N/A Question: I wrote before to Steve and got a answer back. I would like more information. The cirmcustances were that I first had anaemia and then I went for a gastroscopy. The results of which were I had insufficient acid been produced in the stomach. I was told that acid was nessary for the absorbion of iron and it was because of this that I became anaemic. I was told to eat plently of red meat not too many vegetables. Is there any other information you can give me? Replies: It is very difficult to say for sure without seeing you chart and I am not your doctor. But it sounds to me like you are deficient in the vitamin B12. In your stomach you have 3 basic types of cells. One is called chief cells which secrete the precursor of the enzyme pepsin which begins the breakdown of protein. Another is called the parietal cells which secrete your stomach acid and a substance called intrinsic factor. Now-switch to your bone marrow which is where your red blood cells are made. In order for your red blood cells to mature in the bone marrow, vitamin B12 is necessary. B12 can only be obtained from animal food sources such as meat, milk and eggs. Unfortunately, B12 cannot be absorbed in the stomach without intrinsic factor. If there is sufficient B12 present in the diet, it can be stored in the liver. If you aren't eating enough animal sources your B12 will be taken from your liver until you run out. You could also be deficient in intrinsic factor. So while the outcome is anemia (not enough red blood cells) the problem could be from a few different things. Follow your doctor's recommendations and eat more sources of B12

58

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry An ENERGY STAR(R) Guide for Energy and Plant Managers  

E-Print Network (OSTI)

Nath (2000). Improve Steam Turbine Efficiency. HydrocarbonOIT (1999). Rebuilding steam turbine generator reduces costscan be driven by a steam turbine or an electric motor. Hot

Worrell, Ernst

2011-01-01T23:59:59.000Z

59

Iron and Prochlorococcus/  

E-Print Network (OSTI)

Iron availability and primary productivity in the oceans are intricately linked through photosynthesis. At the global scale we understand how iron addition induces phytoplankton blooms through meso-scale iron-addition ...

Thompson, Anne Williford

2009-01-01T23:59:59.000Z

60

Champion H. Mathewson Award  

Science Conference Proceedings (OSTI)

Deborah Price Awards & Recognition Specialist awards@tms.org 724-776-9000 x232. TMS Honors and Awards Recognition Program. All Awards.

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Iron phosphate compositions for containment of hazardous metal waste  

DOE Patents (OSTI)

An improved iron phosphate waste form for the vitrification, containment and long-term disposition of hazardous metal waste such as radioactive nuclear waste is provided. The waste form comprises a rigid iron phosphate matrix resulting from the cooling of a melt formed by heating a batch mixture comprising the metal waste and a matrix-forming component. The waste form comprises from about 30 to about 70 weight percent P{sub 2}O{sub 5} and from about 25 to about 50 weight percent iron oxide and has metals present in the metal waste chemically dissolved therein. The concentration of iron oxide in the waste form along with a high proportion of the iron in the waste form being present as Fe{sup 3+} provide a waste form exhibiting improved chemical resistance to corrosive attack. A method for preparing the improved iron phosphate waste forms is also provided. 21 figs.

Day, D.E.

1998-05-12T23:59:59.000Z

62

ZIRCONIUM IRON DISPROPORTIONATION DURING ...  

Science Conference Proceedings (OSTI)

... These Zr3Fe and Zr2Fe button samples were made at LANL by arc melting stoichiometric amounts of zirconium and iron in an argon atmosphere. ...

2012-11-26T23:59:59.000Z

63

Electrical Energy Conservation Analyses of the Wood Products (SIC24) Industry in the BPA Service Sistrict : Mill Summary Report : Champion International Corporation, Roseburg, Oregon.  

Science Conference Proceedings (OSTI)

This report presents the partial results of a study conducted by Trans Energy Systems Industrial Division of URS Company for the Bonneville Power Administration (BPA) under contract AC79-84BP18946. The objective of this effort was an electrical energy conservation analysis of the Wood Products Industry (Standard Industrial Code (SIC) 24) in the BPA service district. The analysis was conducted by selecting five representative mills in the BPA service area and performing electrical energy conservation surveys and analyses of these mills. This report presents the results of data gathering and analysis at the Champion International Corporation plywood mill in Roseburg, Oregon, which produces exterior, interior, sanded and tongue and groove/shiplap softwood plywood. The plant produces 170 million square feet of 3/8-inch basis plywood annually. Species processed include Douglas fir and hemlock. This report summarizes the mill data collected, the technical and economic analyses performed, the strategy used in ranking the individual electrical energy conservation opportunities found in each mill, the recommended energy conservation measures (ECM), the projected cost benefits of each ECM and the estimated impacts of each ECM on plant production and operation.

TransEnergy Systems, Inc.

1985-01-01T23:59:59.000Z

64

Cast Irons - Programmaster.org  

Science Conference Proceedings (OSTI)

Oct 20, 2011 ... Processing, Microstructure and Properties of Cast Irons and Cast and Forged Specialty Steels: Cast Irons Sponsored by: MS&T Organization

65

Managing Energy Efficiency Improvement  

E-Print Network (OSTI)

In 1991, the World Business Council for Sustainable Development (WBCSD) introduced “Eco- Efficiency” as a management strategy to link financial and environmental performance to create more value with less ecological impact. Based on this strategy, CETAC-WEST (Canadian Environmental Technology Advancement Corporation - West), in mid-2000, introduced a practical approach to eco-efficiency to Western Canada's upstream oil and gas sector. The CETAC-WEST Eco-Efficiency Program, focused primarily on sour gas processing facilities, has developed methods and programs to identify opportunities for energy conservation and GHG reductions. The program outlined in this paper consists of four interrelated phases that are used to identify and track efficiency opportunities as well as promote the use of energy efficient methodologies and technologies. If, as program results suggest, 15% to 20% of the gas that is now consumed at by plant operations can be saved through efficiencies, it would save $500 to $700 million worth of gas for sale on the market. Although this small Pilot Program in the gas processing sector has surfaced major opportunities, there are significantly greater opportunities in other sectors with high GHG emissions intensity, such as sweet gas processing, conventional oil, heavy oil and oil sands. Capturing these opportunities will require a carefully considered strategy. This strategy should include, in addition to commitments for expanding the scope of the current Program, sustained leadership by industry champions and by governments - all aimed at changing the operating mode and improving the culture in the oil and gas industry.

Almaguer, J.

2006-01-01T23:59:59.000Z

66

The industrial ecology of the iron casting industry  

E-Print Network (OSTI)

Metal casting is an energy and materials intensive manufacturing process, which is an important U.S. industry. This study analyzes iron casting, in particular, for possible improvements that will result in greater efficiencies ...

Jones, Alissa J. (Alissa Jean)

2007-01-01T23:59:59.000Z

67

Corrosion Products of Iron Wire Arterial Implants from In Vivo and In ...  

Science Conference Proceedings (OSTI)

In the present study, iron wire was implanted into either the abdominal rat aortic wall or ... Fabrication of a Cellulosic Nanocomposite Scaffold with Improved ...

68

iron and steel making  

Science Conference Proceedings (OSTI)

Gas-Solid Reaction Will Help Solid-Solid Reaction—Novel Iron Ore Agglomerate Bearing Semi-Coal-Char (Keynote) [pp. 97-104] T. Usui, H. Konishi, and N.

69

Electrochemical Deposition of Iron Nanoneedles on Titanium Oxide Nanotubes  

Science Conference Proceedings (OSTI)

Iron as a catalyst has wide applications for hydrogen generation from ammonia, photodecomposition of organics, and carbon nanotube growth. Tuning the size and shape of iron is meaningful for improving the catalysis efficiency. It is the objective of this work to prepare nanostructured iron with high surface area via electrochemical deposition. Iron nanoneedles were successfully electrodeposited on Ti supported TiO2 nanotube arrays in a chlorine-based electrolyte containing 0.15 M FeCl2 {center_dot} 4H2O and 2.0 M HCl. Transmission electron microscopic analysis reveals that the average length of the nanoneedles is about 200 nm and the thickness is about 10 nm. It has been found that a high overpotential at the cathode made of Ti/TiO2 nanotube arrays is necessary for the formation of the nanoneedles. Cyclic voltammetry test indicates that the electrodeposition of iron nanoneedles is a concentration-limited process.

Gan Y. X.; Zhang L.; Gan B.J.

2011-10-01T23:59:59.000Z

70

Iron Pots and Kettles  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron Pots and Kettles Iron Pots and Kettles Nature Bulletin No. 544-A November 16, 1974 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation IRON POTS AND KETTLES At Possum Trot Hill, on US 150 west of Danville, a huge iron kettle squats as a monument to what was once an important industry in Illinois. It is one of 80 used from 1824 to 1831 for boiling down brine from salt springs in that vicinity. Salt was a luxury then. About a bushel was produced from one kettleful (100 gallons) of brine and that was worth more than 100 bushels of oats. Those 80 monsters came from Kentucky where iron works had been established to make the utensils and implements desperately needed by pioneer families. About half of them had come up through the Cumberland Gap, on horseback, with only a rifle, an ax, a pot for cooking, some bedding and the clothes on their backs. Every family, in addition to a skillet or spider, and a Dutch oven, coveted a big kettle for making salt, soap, candles and maple syrup, butchering hogs, rendering lard, boiling clothes on wash day, and dyeing homespun material for garments.

71

THE SOLAR FLARE IRON ABUNDANCE  

SciTech Connect

The abundance of iron is measured from emission line complexes at 6.65 keV (Fe line) and 8 keV (Fe/Ni line) in RHESSI X-ray spectra during solar flares. Spectra during long-duration flares with steady declines were selected, with an isothermal assumption and improved data analysis methods over previous work. Two spectral fitting models give comparable results, viz., an iron abundance that is lower than previous coronal values but higher than photospheric values. In the preferred method, the estimated Fe abundance is A(Fe) = 7.91 {+-} 0.10 (on a logarithmic scale, with A(H) = 12) or 2.6 {+-} 0.6 times the photospheric Fe abundance. Our estimate is based on a detailed analysis of 1898 spectra taken during 20 flares. No variation from flare to flare is indicated. This argues for a fractionation mechanism similar to quiet-Sun plasma. The new value of A(Fe) has important implications for radiation loss curves, which are estimated.

Phillips, K. J. H. [Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking RH6 5NT (United Kingdom); Dennis, B. R., E-mail: kjhp@mssl.ucl.ac.uk, E-mail: Brian.R.Dennis@nasa.gov [NASA Goddard Space Flight Center, Greenbelt, MD 20771 (United States)

2012-03-20T23:59:59.000Z

72

Champions Nomination | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Description Organization Type * Industry Non-profit Association Academic Institution Market Sector * Apparel Building Materials Food Concessions Furniture Information...

73

It's Elemental - The Element Iron  

NLE Websites -- All DOE Office Websites (Extended Search)

Manganese Manganese Previous Element (Manganese) The Periodic Table of Elements Next Element (Cobalt) Cobalt The Element Iron [Click for Isotope Data] 26 Fe Iron 55.845 Atomic Number: 26 Atomic Weight: 55.845 Melting Point: 1811 K (1538°C or 2800°F) Boiling Point: 3134 K (2861°C or 5182°F) Density: 7.874 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Metal Period Number: 4 Group Number: 8 Group Name: none What's in a name? From the Anglo-Saxon word iron. Iron's chemical symbol comes from the Latin word for iron, ferrum. Say what? Iron is pronounced as EYE-ern. History and Uses: Archaeological evidence suggests that people have been using iron for at least 5000 years. Iron is the cheapest and one of the most abundant of all metals, comprising nearly 5.6% of the earth's crust and nearly all of the

74

EPRI BWR Iron Control Monitoring Final Report  

Science Conference Proceedings (OSTI)

This report summarizes the state of iron control in U.S. BWRs as of July 1999 and documents the implementation and performance status of new iron control technologies. Issues involving the relationship between iron control and radiation dose control, iron control with deep beds, iron control with filters, and iron addition are documented, and areas for future research are noted.

1999-09-16T23:59:59.000Z

75

The Role of Emerging Technologies in Improving Energy Efficiency: Examples from the Food Processing Industry  

E-Print Network (OSTI)

and Renewable Energy (EERE), began to champion thetechnologies in 1979. EERE was attracted to the potential of

Lung, Robert Bruce; Masanet, Eric; McKane, Aimee

2006-01-01T23:59:59.000Z

76

Energy Efficiency Improvement and Cost Saving Opportunities for...  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry: An ENERGY STAR Guide for Energy and Plant Managers Title Energy Efficiency...

77

A Bottom-Up Model to Estimate the Energy Efficiency Improvement...  

NLE Websites -- All DOE Office Websites (Extended Search)

Efficiency Improvement and CO2 Emission Reduction Potentials in the Chinese Iron and Steel Industry Title A Bottom-Up Model to Estimate the Energy Efficiency Improvement and...

78

Iron pages of HTSC  

Science Conference Proceedings (OSTI)

Experimental data are presented on the superconducting and electronic properties of iron-based high-temperature superconductors in the normal and superconducting states. The following topics are discussed: lattice structure; structure of magnetic vortices; magnetic penetration depth; Fermi surface; isotope effect; and critical magnetic fields both in oxide compounds of 1111 type and oxide-free compounds of 122, 111, and 011 types as a function of the doping level, temperature, and external pressure.

Gasparov, V. A., E-mail: vgasparo@issp.ac.r [Russian Academy of Sciences, Institute of Solid State Physics (Russian Federation)

2010-08-15T23:59:59.000Z

79

Differential Characterization of Ikperejere Iron shale and Iron ...  

Science Conference Proceedings (OSTI)

Kaolinite was found in the iron shale. Trace elements were Mn, Mg, Ti, Ca, Na .... High Temperature Exposure of Oil Well Cements · In-Situ EBSD Investigation of ...

80

Microbial reduction of iron ore  

DOE Patents (OSTI)

A process is provided for reducing iron ore by treatment with microorganisms which comprises forming an aqueous mixture of iron ore, microorganisms operable for reducing the ferric iron of the iron ore to ferrous iron, and a substrate operable as an energy source for the microbial reduction; and maintaining the aqueous mixture for a period of time and under conditions operable to effect the reduction of the ore. Preferably the microorganism is Pseudomonas sp. 200 and the reduction conducted anaerobically with a domestic wastewater as the substrate. An aqueous solution containing soluble ferrous iron can be separated from the reacted mixture, treated with a base to precipitate ferrous hydroxide which can then be recovered as a concentrated slurry.

Hoffmann, Michael R. (Pasadena, CA); Arnold, Robert G. (Pasadena, CA); Stephanopoulos, Gregory (Pasadena, CA)

1989-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Microbial reduction of iron ore  

DOE Patents (OSTI)

A process is provided for reducing iron ore by treatment with microorganisms which comprises forming an aqueous mixture of iron ore, microorganisms operable for reducing the ferric iron of the iron ore to ferrous iron, and a substrate operable as an energy source for the microbial reduction; and maintaining the aqueous mixture for a period of time and under conditions operable to effect the reduction of the ore. Preferably the microorganism is Pseudomonas sp. 200 and the reduction conducted anaerobically with a domestic wastewater as the substrate. An aqueous solution containing soluble ferrous iron can be separated from the reacted mixture, treated with a base to precipitate ferrous hydroxide which can then be recovered as a concentrated slurry. 11 figs.

Hoffmann, M.R.; Arnold, R.G.; Stephanopoulos, G.

1989-11-14T23:59:59.000Z

82

Enzymes of respiratory iron oxidation  

DOE Green Energy (OSTI)

This report describes experimental progress in characterizing and identifying redox proteins in a number of iron-oxidizing bacteria. Sections of the paper are entitled (1) In Situ electrolysis was explored to achieve enhanced yields of iron-oxidizing bacteria, (2)Structure/function studies were performed on redox-active biomolecules from Thiobacillus ferrooxidans, (3) Novel redox-active biomolecules were demonstrated in other iron autotrophs, and (4) New probes of metalloprotein electron-transfer reactions were synthesized and characterized.

Blake, R. II.

1992-01-01T23:59:59.000Z

83

Super-iron Nanoparticles with Facile Cathodic Charge Transfer  

Science Conference Proceedings (OSTI)

Super-irons contain the + 6 valence state of iron. One advantage of this is that it provides a multiple electron opportunity to store additional battery charge. A decrease of particle size from the micrometer to the nanometer domain provides a higher surface area to volume ratio, and opportunity to facilitate charge transfer, and improve the power, voltage and depth of discharge of cathodes made from such salts. However, super-iron salts are fragile, readily reduced to the ferric state, with both heat and contact with water, and little is known of the resultant passivating and non-passivating ferric oxide products. A pathway to decrease the super-iron particle size to the nano-domain is introduced, which overcomes this fragility, and retains the battery capacity advantage of their Fe(VI) valence state. Time and power controlled mechanosynthesis, through less aggressive, dry ball milling, leads to facile charge transfer of super-iron nanoparticles. Ex-situ X-ray Absorption Spectroscopy is used to explore the oxidation state and structure of these iron oxides during discharge and shows the significant change in stability of the ferrate structure to lower oxidation state when the particle size is in the nano-domain.

M Farmand; D Jiang; B Wang; S Ghosh; D Ramaker; S Licht

2011-12-31T23:59:59.000Z

84

Electron Correlation in Iron-Based Superconductors  

NLE Websites -- All DOE Office Websites (Extended Search)

Electron Correlation in Iron-Based Superconductors Print In 2008, the discovery of iron-based superconductors stimulated a worldwide burst of activity, leading to about two...

85

About The Iron and Steel Society  

Science Conference Proceedings (OSTI)

The IRON & STEEL SOCIETY (ISS) is a professional and technical society that provides opportunities for networking among iron and steel industry professionals ...

86

Nickel aluminides and nickel-iron aluminides for use in oxidizing environments  

SciTech Connect

Nickel aluminides and nickel-iron aluminides treated with hafnium or zirconium, boron and cerium to which have been added chromium to significantly improve high temperature ductility, creep resistance and oxidation properties in oxidizing environments.

Liu, Chain T. (Oak Ridge, TN)

1988-03-15T23:59:59.000Z

87

Iron Mountain Electromagnetic Results  

SciTech Connect

Iron Mountain Mine is located seventeen miles northwest of Redding, CA. After the completion of mining in early 1960s, the mine workings have been exposed to environmental elements which have resulted in degradation in water quality in the surrounding water sheds. In 1985, the EPA plugged ore stoops in many of the accessible mine drifts in an attempt to restrict water flow through the mine workings. During this process little data was gathered on the orientation of the stoops and construction of the plugs. During the last 25 years, plugs have begun to deteriorate and allow acidic waters from the upper workings to flow out of the mine. A team from Idaho National Laboratory (INL) performed geophysical surveys on a single mine drift and 3 concrete plugs. The project goal was to evaluate several geophysical methods to determine competence of the concrete plugs and orientation of the stopes.

Gail Heath

2012-07-01T23:59:59.000Z

88

Mechanisms of Iron and Slag Separation in Carbon Composite Iron ...  

Science Conference Proceedings (OSTI)

Chemical Enrichment of Precious Metals in Iron Sulfides Using Microwave Energy · Chloridizing ... Co-Gasification Behavior of Metallurgical Coke with High and Low Reactivity .... Thermal Plasma Torches for Metallurgical Applications.

89

Energy Saving Melting and Revert Reduction Technology: Aging of Graphitic Cast Irons and Machinability  

SciTech Connect

The objective of this task was to determine whether ductile iron and compacted graphite iron exhibit age strengthening to a statistically significant extent. Further, this effort identified the mechanism by which gray iron age strengthens and the mechanism by which age-strengthening improves the machinability of gray cast iron. These results were then used to determine whether age strengthening improves the machinability of ductile iron and compacted graphite iron alloys in order to develop a predictive model of alloy factor effects on age strengthening. The results of this work will lead to reduced section sizes, and corresponding weight and energy savings. Improved machinability will reduce scrap and enhance casting marketability. Technical Conclusions: ���¢�������¢ Age strengthening was demonstrated to occur in gray iron ductile iron and compacted graphite iron. ���¢�������¢ Machinability was demonstrated to be improved by age strengthening when free ferrite was present in the microstructure, but not in a fully pearlitic microstructure. ���¢�������¢ Age strengthening only occurs when there is residual nitrogen in solid solution in the Ferrite, whether the ferrite is free ferrite or the ferrite lamellae within pearlite. ���¢�������¢ Age strengthening can be accelerated by Mn at about 0.5% in excess of the Mn/S balance Estimated energy savings over ten years is 13.05 trillion BTU, based primarily on yield improvement and size reduction of castings for equivalent service. Also it is estimated that the heavy truck end use of lighter castings for equivalent service requirement will result in a diesel fuel energy savings of 131 trillion BTU over ten years.

Von L. Richards

2012-09-19T23:59:59.000Z

90

Iron Edison Battery Company | Open Energy Information  

Open Energy Info (EERE)

Iron Edison Battery Company Iron Edison Battery Company Jump to: navigation, search Logo: Iron Edison Battery Company Name Iron Edison Battery Company Place Lakewood, Colorado Sector Bioenergy, Carbon, Efficiency, Hydro, Renewable Energy, Solar, Wind energy Product Nickel Iron (Ni-Fe) battery systems Year founded 2011 Number of employees 1-10 Phone number 202-681-4766 Website http://ironedison.com Region Rockies Area References Iron Edison Battery Company[1] Nickel Iron Battery Specifications[2] About the company and the owners[3] Nickel Iron Battery Association[4] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Iron Edison Battery Company is a company based in Lakewood, Colorado. Iron Edison is redefining off-grid energy storage using advanced

91

Clean iron production and machining technology. Year 1 summary report, January 1--December 31, 1995  

SciTech Connect

The first phase of this project was conducted to develop a technique for evaluating the machinability of gray and ductile iron. That technique was then used to measure the machinability of a variety of irons and determine the processing factors that influenced and controlled machinability. The procedure developed to evaluate machinability involved drilling holes with a feed rate of 0.009 in/rev at various surface speeds. High speed steel drills were used so wear was observed more quickly. Microcarbides present in the irons were found to dominate the machinability. Pearlitic irons considered to have ``acceptable`` machinability (indicated either by tool life measured in the laboratory using high speed steel (HSS) drills or reports from commercial machine shops using other cutters) were found to contain from 8.9 to 10.5% by weight microscopic carbides. The tool wear rate increased when machining at higher surface speeds or machining irons containing higher weight percentage of microcarbides. All irons containing above 11.5% microcarbides consistently exhibited poor machinability. Tool wear results obtained using cubic boron nitride (CBN) cutters paralleled those obtained with HSS. Higher iron microcarbide concentrations produced faster tool wear. Experiments are now being formulated to explore methods of improving iron machinability. Future work will extend the study to ductile irons.

1996-03-05T23:59:59.000Z

92

Energy in Iron and Steel  

Science Conference Proceedings (OSTI)

Energy Technologies and Carbon Dioxide Management: Energy in Iron and Steel ... today imposed by energy, raw materials supply and over supply in the market. ... Through the studies of CCT, TTT and X-ray analysis, it has been successfully ...

93

Process for the synthesis of iron powder  

DOE Patents (OSTI)

A process for preparing iron powder suitable for use in preparing the iron-potassium perchlorate heat-powder fuel mixture used in thermal batteries, comprises preparing a homogeneous, dense iron oxide hydroxide precipitate by homogeneous precipitation from an aqueous mixture of a ferric salt, formic or sulfuric acid, ammonium hydroxide and urea as precipitating agent; and then reducing the dense iron oxide hydroxide by treatment with hydrogen to prepare the iron powder. 2 figs.

Welbon, W.W.

1983-11-08T23:59:59.000Z

94

Process for the synthesis of iron powder  

DOE Patents (OSTI)

A process for preparing iron powder suitable for use in preparing the iron-potassium perchlorate heat-powder fuel mixture used in thermal batteries, comprises preparing a homogeneous, dense iron oxide hydroxide precipitate by homogeneous precipitation from an aqueous mixture of a ferric salt, formic or sulfuric acid, ammonium hydroxide and urea as precipitating agent; and then reducing the dense iron oxide hydroxide by treatment with hydrogen to prepare the iron powder.

Not Available

1982-03-06T23:59:59.000Z

95

Process for the synthesis of iron powder  

DOE Patents (OSTI)

A process for preparing iron powder suitable for use in preparing the iron-potassium perchlorate heat-powder fuel mixture used in thermal batteries, comprises preparing a homogeneous, dense iron oxide hydroxide precipitate by homogeneous precipitation from an aqueous mixture of a ferric salt, formic or sulfuric acid, ammonium hydroxide and urea as precipitating agent; and then reducing the dense iron oxide hydroxide by treatment with hydrogen to prepare the iron powder.

Welbon, William W. (Belleair, FL)

1983-01-01T23:59:59.000Z

96

Argonne CNM News: Hollow Iron Oxide Nanoparticles for Lithium...  

NLE Websites -- All DOE Office Websites (Extended Search)

Hollow Iron Oxide Nanoparticles for Lithium-Ion Battery Applications Hollow iron oxide nanoparticles Transmission electron micrograph of hollow iron oxide nanoparticles....

97

Iron/Iron Oxide Core/Shell Nanoparticles for MRI and Magnetic ...  

Science Conference Proceedings (OSTI)

Bulk Nanoceramics and Nanocomposites: Processed by Pulsed Electric Current ... Iron/Iron Oxide Core/Shell Nanoparticles for MRI and Magnetic Hyperthermia.

98

Direct Biohydrometallurgical Extraction of Iron from Ore  

Science Conference Proceedings (OSTI)

A completely novel approach to iron extraction was investigated, based on reductive leaching of iron by anaerobic bacteria. Microorganisms were collected from an anaerobic bog where natural seepage of dissolved iron was observed. This mixed culture was used to reduce insoluble iron in a magnetite ore to the soluble ferrous (Fe{sup +2}) state. While dissolution rates were slow, concentrations of dissolved iron as high as 3487 mg/l could be reached if sufficient time was allowed. A factorial study of the effects of trace nutrients and different forms of organic matter indicated that the best dissolution rates and highest dissolved iron concentrations were achieved using soluble carbohydrate (sucrose) as the bacterial food source, and that nutrients other than nitrogen, phosphorus, potassium, sodium, and acetate were not necessary. A key factor in reaching high levels of dissolved iron was maintaining a high level of carbon dioxide in solution, since the solubility of iron carbonates increases markedly as the quantity of dissolved carbon dioxide increases. Once the iron is dissolved, it has been demonstrated that the ferrous iron can then be electroplated from solution, provided that the concentration of iron is sufficiently high and the hydrogen ion concentration is sufficiently low. However, if the leaching solution is electrolyzed directly, organic matter precipitates at the cathode along with the metallic iron. To prevent this problem, the ferrous iron should be separated from the bulk solution in a more concentrated, purified form. One route to accomplishing this is to take advantage of the change in solubility of ferrous iron as a function of carbon dioxide concentration. By cycling the concentration of carbon dioxide in solution, it is possible to produce an iron-rich concentrate that should be suitable for electrolysis. This represents the first viable hydrometallurgical method for leaching iron directly from ore and producing metallic iron.

T.C. Eisele

2005-10-01T23:59:59.000Z

99

Microsoft Word - IronCore  

NLE Websites -- All DOE Office Websites (Extended Search)

November/December 2013 November/December 2013 Percolation Explains How Earth's Iron Core Formed The formation of Earth's metallic core, which makes up a third of our planet's mass, represents the most significant differentiation event in Earth's history. Earth's present layered structure with a metallic core and an overlying silicate mantle would have required mechanisms to separate iron alloy from a silicate phase. Percolation of liquid iron alloy moving through a solid silicate matrix (much as water percolates through porous rock, or even coffee grinds) has been proposed as a possible model for core formation (Figure 1). Many previous experimental results have ruled out percolation as a major core formation mechanism for Earth at the relatively lower pressure conditions in the upper mantle, but

100

IMPROVED IRON CATALYSTS FOR SLURRY PHASE FISCHER-TROPSCH SYNTHESIS  

DOE Green Energy (OSTI)

PureVision Technology, Inc. (PureVision) of Fort Lupton, Colorado is developing a process for the conversion of lignocellulosic biomass into fuel-grade ethanol and specialty chemicals in order to enhance national energy security, rural economies, and environmental quality. Lignocellulosic-containing plants are those types of biomass that include wood, agricultural residues, and paper wastes. Lignocellulose is composed of the biopolymers cellulose, hemicellulose, and lignin. Cellulose, a polymer of glucose, is the component in lignocellulose that has potential for the production of fuel-grade ethanol by direct fermentation of the glucose. However, enzymatic hydrolysis of lignocellulose and raw cellulose into glucose is hindered by the presence of lignin. The cellulase enzyme, which hydrolyzes cellulose to glucose, becomes irreversibly bound to lignin. This requires using the enzyme in reagent quantities rather than in catalytic concentration. The extensive use of this enzyme is expensive and adversely affects the economics of ethanol production. PureVision has approached this problem by developing a biomass fractionator to pretreat the lignocellulose to yield a highly pure cellulose fraction. The biomass fractionator is based on sequentially treating the biomass with hot water, hot alkaline solutions, and polishing the cellulose fraction with a wet alkaline oxidation step. In September 2001 PureVision and Western Research Institute (WRI) initiated a jointly sponsored research project with the U.S. Department of Energy (DOE) to evaluate their pretreatment technology, develop an understanding of the chemistry, and provide the data required to design and fabricate a one- to two-ton/day pilot-scale unit. The efforts during the first year of this program completed the design, fabrication, and shakedown of a bench-scale reactor system and evaluated the fractionation of corn stover. The results from the evaluation of corn stover have shown that water hydrolysis prior to alkaline hydrolysis may be beneficial in removing hemicellulose and lignin from the feedstock. In addition, alkaline hydrolysis has been shown to remove a significant portion of the hemicellulose and lignin. The resulting cellulose can be exposed to a finishing step with wet alkaline oxidation to remove the remaining lignin. The final product is a highly pure cellulose fraction containing less than 1% of the native lignin with an overall yield in excess of 85% of the native cellulose. This report summarizes the results from the first year's effort to move the technology to commercialization.

Dr. Dragomir B. Bukur; Dr. Lech Nowicki; Victor Carreto-Vazquez; Dr. Wen-Ping Ma

2001-11-28T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Iron Availability in the Southern Ocean  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron Availability in the Southern Ocean Iron Availability in the Southern Ocean Print Friday, 21 June 2013 10:08 The Southern Ocean, circling the Earth between Antarctica and the...

102

Classes and Grades of Ductile Iron  

Science Conference Proceedings (OSTI)

Table 1   Ductile iron properties of various industry and international standards...Table 1 Ductile iron properties of various industry and international standards Grade Tensile strength 0.2% offset yield

103

Effects of Iron and Manganese Ions on Potentiostatic Current ...  

Science Conference Proceedings (OSTI)

Differential Characterization of Ikperejere Iron shale and Iron Sandstone Deposit · Direct Precipitation of ... High Temperature Exposure of Oil Well Cements.

104

About The Associate for Iron and Steel Technology - TMS  

Science Conference Proceedings (OSTI)

ABOUT THE ASSOCIATION FOR IRON & STEEL TECHNOLOGY ... that provides opportunities for networking among iron and steel industry professionals and ...

105

Magnetism Governs Properties of Iron-Based ...  

Science Conference Proceedings (OSTI)

... a group of materials that conduct electricity without resistance at ... theoretical evidence demonstrating how magnetism controls basic aspects of iron ...

2011-04-06T23:59:59.000Z

106

Terahertz Properties of Lithium Iron Phosphate Glasses  

Science Conference Proceedings (OSTI)

Presentation Title, Terahertz Properties of Lithium Iron Phosphate Glasses ... Field Assisted Viscous Flow and Crystallization in a Sodium Aluminosilicate Glass.

107

Lithium Iron Phosphate Composites for Lithium Batteries  

The materials can be added at low cost without changing current scalable cathode ... Lithium Iron Phosphate Composites for Lithium Batteries ...

108

Ligand iron catalysts for selective hydrogenation  

SciTech Connect

Disclosed are iron ligand catalysts for selective hydrogenation of aldehydes, ketones and imines. A catalyst such as dicarbonyl iron hydride hydroxycyclopentadiene) complex uses the OH on the five member ring and hydrogen linked to the iron to facilitate hydrogenation reactions, particularly in the presence of hydrogen gas.

Casey, Charles P. (Madison, WI); Guan, Hairong (Cincinnati, OH)

2010-11-16T23:59:59.000Z

109

The Role of Emerging Technologies in Improving Energy Efficiency:Examples from the Food Processing Industry  

SciTech Connect

For over 25 years, the U.S. DOE's Industrial Technologies Program (ITP) has championed the application of emerging technologies in industrial plants and monitored these technologies impacts on industrial energy consumption. The cumulative energy savings of more than 160 completed and tracked projects is estimated at approximately 3.99 quadrillion Btu (quad), representing a production cost savings of $20.4 billion. Properly documenting the impacts of such technologies is essential for assessing their effectiveness and for delivering insights about the optimal direction of future technology research. This paper analyzes the impacts that several emerging technologies have had in the food processing industry. The analysis documents energy savings, carbon emissions reductions and production improvements and assesses the market penetration and sector-wide savings potential. Case study data is presented demonstrating the successful implementation of these technologies. The paper's conclusion discusses the effects of these technologies and offers some projections of sector-wide impacts.

Lung, Robert Bruce; Masanet, Eric; McKane, Aimee

2006-05-01T23:59:59.000Z

110

The Role of Emerging Technologies in Improving Energy Efficiency:Examples from the Food Processing Industry  

SciTech Connect

For over 25 years, the U.S. DOE's Industrial Technologies Program (ITP) has championed the application of emerging technologies in industrial plants and monitored these technologies impacts on industrial energy consumption. The cumulative energy savings of more than 160 completed and tracked projects is estimated at approximately 3.99 quadrillion Btu (quad), representing a production cost savings of $20.4 billion. Properly documenting the impacts of such technologies is essential for assessing their effectiveness and for delivering insights about the optimal direction of future technology research. This paper analyzes the impacts that several emerging technologies have had in the food processing industry. The analysis documents energy savings, carbon emissions reductions and production improvements and assesses the market penetration and sector-wide savings potential. Case study data is presented demonstrating the successful implementation of these technologies. The paper's conclusion discusses the effects of these technologies and offers some projections of sector-wide impacts.

Lung, Robert Bruce; Masanet, Eric; McKane, Aimee

2006-05-01T23:59:59.000Z

111

Iron aluminide useful as electrical resistance heating elements  

DOE Patents (OSTI)

The invention relates generally to aluminum containing iron-base alloys useful as electrical resistance heating elements. The aluminum containing iron-base alloys have improved room temperature ductility, electrical resistivity, cyclic fatigue resistance, high temperature oxidation resistance, low and high temperature strength, and/or resistance to high temperature sagging. The alloy has an entirely ferritic microstructure which is free of austenite and includes, in weight %, over 4% Al, .ltoreq.1% Cr and either .gtoreq.0.05% Zr or ZrO.sub.2 stringers extending perpendicular to an exposed surface of the heating element or .gtoreq.0.1% oxide dispersoid particles. The alloy can contain 14-32% Al, .ltoreq.2% Ti, .ltoreq.2% Mo, .ltoreq.1% Zr, .ltoreq.1% C, .ltoreq.0.1% B, .ltoreq.30% oxide dispersoid and/or electrically insulating or electrically conductive covalent ceramic particles, .ltoreq.1% rare earth metal, .ltoreq.1% oxygen, .ltoreq.3% Cu, balance Fe.

Sikka, Vinod K. (Oak Ridge, TN); Deevi, Seetharama C. (Oak Ridge, TN); Fleischhauer, Grier S. (Midlothian, VA); Hajaligol, Mohammad R. (Richmond, VA); Lilly, Jr., A. Clifton (Chesterfield, VA)

1997-01-01T23:59:59.000Z

112

Iron aluminide useful as electrical resistance heating elements  

DOE Patents (OSTI)

The invention relates generally to aluminum containing iron-base alloys useful as electrical resistance heating elements. The aluminum containing iron-base alloys have improved room temperature ductility, electrical resistivity, cyclic fatigue resistance, high temperature oxidation resistance, low and high temperature strength, and/or resistance to high temperature sagging. The alloy has an entirely ferritic microstructure which is free of austenite and includes, in weight %, over 4% Al, {<=}1% Cr and either {>=}0.05% Zr or ZrO{sub 2} stringers extending perpendicular to an exposed surface of the heating element or {>=}0.1% oxide dispersoid particles. The alloy can contain 14-32% Al, {<=}2% Ti, {<=}2% Mo, {<=}1% Zr, {<=}1% C, {<=}0.1% B, {<=}30% oxide dispersoid and/or electrically insulating or electrically conductive covalent ceramic particles, {<=}1% rare earth metal, {<=}1% oxygen, {<=}3% Cu, balance Fe. 64 figs.

Sikka, V.K.; Deevi, S.C.; Fleischhauer, G.S.; Hajaligol, M.R.; Lilly, A.C. Jr.

1997-04-15T23:59:59.000Z

113

Iron aluminide useful as electrical resistance heating elements  

DOE Patents (OSTI)

The invention relates generally to aluminum containing iron-base alloys useful as electrical resistance heating elements. The aluminum containing iron-base alloys have improved room temperature ductility, electrical resistivity, cyclic fatigue resistance, high temperature oxidation resistance, low and high temperature strength, and/or resistance to high temperature sagging. The alloy has an entirely ferritic microstructure which is free of austenite and includes, in weight %, over 4% Al, .ltoreq.1% Cr and either .gtoreq.0.05% Zr or ZrO.sub.2 stringers extending perpendicular to an exposed surface of the heating element or .gtoreq.0.1% oxide dispersoid particles. The alloy can contain 14-32% Al, .ltoreq.2% Ti, .ltoreq.2% Mo, .ltoreq.1% Zr, .ltoreq.1% C, .ltoreq.0.1% B, .ltoreq.30% oxide dispersoid and/or electrically insulating or electrically conductive covalent ceramic particles, .ltoreq.1% rare earth metal, .ltoreq.1% oxygen, .ltoreq.3% Cu, balance Fe.

Sikka, Vinod K. (Oak Ridge, TN); Deevi, Seetharama C. (Oak Ridge, TN); Fleischhauer, Grier S. (Midlothian, VA); Hajaligol, Mohammad R. (Richmond, VA); Lilly, Jr., A. Clifton (Chesterfield, VA)

1999-01-01T23:59:59.000Z

114

Iron aluminide useful as electrical resistance heating elements  

DOE Patents (OSTI)

The invention relates generally to aluminum containing iron-base alloys useful as electrical resistance heating elements. The aluminum containing iron-base alloys have improved room temperature ductility, electrical resistivity, cyclic fatigue resistance, high temperature oxidation resistance, low and high temperature strength, and/or resistance to high temperature sagging. The alloy has an entirely ferritic microstructure which is free of austenite and includes, in weight %, over 4% Al, .ltoreq.1% Cr and either .gtoreq.0.05% Zr or ZrO.sub.2 stringers extending perpendicular to an exposed surface of the heating element or .gtoreq.0.1% oxide dispersoid particles. The alloy can contain 14-32% Al, .ltoreq.2% Ti, .ltoreq.2% Mo, .ltoreq.1% Zr, .ltoreq.1% C, .ltoreq.0.1% B, .ltoreq.30% oxide dispersoid and/or electrically insulating or electrically conductive covalent ceramic particles, .ltoreq.1% rare earth metal, .ltoreq.1% oxygen, .ltoreq.3% Cu, balance Fe.

Sikka, Vinod K. (Oak Ridge, TN); Deevi, Seetharama C. (Oak Ridge, TN); Fleischhauer, Grier S. (Midlothian, VA); Hajaligol, Mohammad R. (Richmond, VA); Lilly, Jr., A. Clifton (Chesterfield, VA)

2001-01-01T23:59:59.000Z

115

Recipient: 2003 Champion H. Mathewson Award  

Science Conference Proceedings (OSTI)

Paper: “Coal Pyrolysis in a Rotary Kiln: Part I. Model of the Pyrolysis of a Single Grain” and “Part II. Overall Model of the Furnace” Biography: Fabrice Patisson is ...

116

2013 Integrated Safety Management Champions Workshop - Registration  

NLE Websites -- All DOE Office Websites (Extended Search)

The Office of Health, Safety and Security HSS Logo Department of Energy Seal Left Tab SEARCH Right Tab TOOLS Right Tab Left Tab HOME Right Tab Left Tab ABOUT US Right Tab Left Tab...

117

Integrated Safety Management (ISM) - ISM Champions  

NLE Websites -- All DOE Office Websites (Extended Search)

The Office of Health, Safety and Security HSS Logo Department of Energy Seal Left Tab SEARCH Right Tab TOOLS Right Tab Left Tab HOME Right Tab Left Tab ABOUT US Right Tab Left Tab...

118

Recipient: 2005 Champion H. Mathewson Award  

Science Conference Proceedings (OSTI)

Biography: James Howe is a professor and director of the Electron Microscope Facility at the University of Virginia. His current research emphasizes the ...

119

Recipient: 2004 Champion H. Mathewson Award  

Science Conference Proceedings (OSTI)

Biography: Rohit Trevedi is Anson Marston Distinguished Professor at Iowa State University and senior scientist, Ames Laboratory of the U.S. Department of ...

120

Water Quality Criteria Development for Iron  

Science Conference Proceedings (OSTI)

The current national water quality criterion for iron — a criterion continuous concentration of 1 mg Fe/L — was derived 25 years ago. Such ambient water quality criteria are typically derived from toxicity tests in which the reagent grade chemical is dissolved in clean laboratory water. However, due to the complexity of iron speciation in freshwater, adverse effects of iron precipitates on habitat quality, and access of organisms to food, standard toxicity assays may not adequately assess the...

2004-12-27T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Iron Availability in the Southern Ocean  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron Availability in the Southern Ocean Print The Southern Ocean, circling the Earth between Antarctica and the southernmost regions of Africa, South America, and Australia, is...

122

Crystal Structure of Iron-dependent Halogenase  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron (brown) is coordinated by two histidines, a-ketoglutarate (grey sticks), water (cyan), and chloride (green). The structural analysis revealed a novel coordination...

123

Iron Control in Zinc Pressure Leach Processes  

Science Conference Proceedings (OSTI)

Consequently, the disposal of iron residues is an integral part of the design and operation of zinc refineries. Zinc has been recovered from sulfide concentrates ...

124

Lithium Insertion Chemistry of Some Iron Vanadates  

E-Print Network (OSTI)

in A. Nazri, G.Pistoia (Eds. ), Lithium batteries, Science &structure materials in lithium cells, for a lower limitLithium Insertion Chemistry of Some Iron Vanadates Sébastien

Patoux, Sebastien; Richardson, Thomas J.

2008-01-01T23:59:59.000Z

125

Carbon Emissions: Iron and Steel Industry  

U.S. Energy Information Administration (EIA)

Energy-Related Carbon Emissions for Selected Iron and Steel Industries, 1994. Besides steel mills and blast furnaces, the primary metals industry also ...

126

Method for producing iron-based catalysts  

DOE Patents (OSTI)

A method for preparing an acid catalyst having a long shelf-life is provided comprising doping crystalline iron oxides with lattice-compatible metals and heating the now-doped oxide with halogen compounds at elevated temperatures. The invention also provides for a catalyst comprising an iron oxide particle having a predetermined lattice structure, one or more metal dopants for said iron oxide, said dopants having an ionic radius compatible with said lattice structure; and a halogen bound with the iron and the metal dopants on the surface of the particle.

Farcasiu, Malvina (Pittsburgh, PA); Kaufman, Phillip B. (Library, PA); Diehl, J. Rodney (Pittsburgh, PA); Kathrein, Hendrik (McMurray, PA)

1999-01-01T23:59:59.000Z

127

Iron mobilization in North African dust.  

SciTech Connect

Iron is an essential nutrient for phytoplankton. Although iron-containing dust mobilized from arid regions supplies the majority of the iron to the oceans, the key flux in terms of the biogeochemical response to atmospheric deposition is the amount of soluble or bioavailable iron. Atmospheric processing of mineral aerosols by anthropogenic pollutants (e.g. sulfuric acid) may transform insoluble iron into soluble forms. Previous studies have suggested higher iron solubility in smaller particles, as they are subject to more thorough atmospheric processing due to a longer residence time than coarse particles. On the other hand, the specific mineralogy of iron in dust may also influence the particulate iron solubility in size. Compared to mineral dust aerosols, iron from combustion sources could be more soluble, and found more frequently in smaller particles. Internal mixing of alkaline dust with iron-containing minerals could significantly reduce iron dissolution in large dust aerosols due to the buffering effect, which may, in contrast, yield higher solubility in smaller particles externally mixed with alkaline dust (Ito and Feng, 2010). Here, we extend the modeling study of Ito and Feng (2010) to investigate atmospheric processing of mineral aerosols from African dust. In contrast to Asian dust, we used a slower dissolution rate for African dust in the fine mode. We compare simulated fractional iron solubility with observations. The inclusion of alkaline compounds in aqueous chemistry substantially limits the iron dissolution during long-range transport to the Atlantic Ocean: only a small fraction of iron (<0.2%) dissolves from illite in coarsemode dust aerosols with 0.45% soluble iron initially. In contrast, a significant fraction (1-1.5%) dissolves in fine-mode dust aerosols due to the acid mobilization of the iron-containing minerals externally mixed with carbonate minerals. Consequently, the model generally reproduces higher iron solubility in smaller particles as suggested by measurements over the Atlantic Ocean. Our results imply that the dissolution of iron in African dust is generally slower than that in Asian dust. Conventionally, dust is assumed as the major supply of bioavailable iron with a constant solubility at 1-2% to the remote ocean. Therefore, the timing and location of the atmospheric iron input to the ocean with detailed modeling of atmospheric processing could be different from those previously assumed. Past and future changes in aerosol supply of bioavailable iron might play a greater role in the nutrient supply for phytoplankton production in the upper ocean, as global warming has been predicted to intensify stratification and reduce vertical mixing from the deep ocean. Thus the feedback of climate change through ocean uptake of carbon dioxide as well as via aerosol-cloud interaction might be modified by the inclusion of iron chemistry in the atmosphere.

Ito, A.; Feng, Y. (Environmental Science Division); (Research Inst. for Global Change)

2011-01-01T23:59:59.000Z

128

Possible Processing of High Phosphorous Libyan Iron Ores  

Science Conference Proceedings (OSTI)

Abstract Scope, Libyan Iron ores reserve > 5.0 billion tons, with 48-55% Fe& 1.0 % P& Libyan Previous ... Differential Characterization of Ikperejere Iron shale and Iron Sandstone Deposit ... High Temperature Exposure of Oil Well Cements.

129

Shape effects of iron nanowires on hyperthermia treatment  

Science Conference Proceedings (OSTI)

This research discusses the influence ofmorphology of nanomagneticmaterials (one-dimensional iron nanowires and zero-dimensional iron nanoparticles) on heating efficiency of the hyperthermia treatment. One-dimensional iron nanowires, synthesized by reducing ...

Wei-Syuan Lin, Hong-Ming Lin, Hsiang-Hsin Chen, Yeu-Kuang Hwu, Yuh-Jing Chiou

2013-01-01T23:59:59.000Z

130

IRON COATED URANIUM AND ITS PRODUCTION  

DOE Patents (OSTI)

A method of applying a protective coating to a metallic uranium article is given. The method comprises etching the surface of the article with an etchant solution containlng chloride ions, such as a solution of phosphoric acid and hydrochloric acid, cleaning the etched surface, electroplating iron thereon from a ferrous ammonium sulfate electroplating bath, and soldering an aluminum sheath to the resultant iron layer.

Gray, A.G.

1960-03-15T23:59:59.000Z

131

Production of iron from metallurgical waste  

DOE Patents (OSTI)

A method of recovering metallic iron from iron-bearing metallurgical waste in steelmaking comprising steps of providing an iron-bearing metallurgical waste containing more than 55% by weight FeO and FeO equivalent and a particle size of at least 80% less than 10 mesh, mixing the iron-bearing metallurgical waste with a carbonaceous material to form a reducible mixture where the carbonaceous material is between 80 and 110% of the stoichiometric amount needed to reduce the iron-bearing waste to metallic iron, and as needed additions to provide a silica content between 0.8 and 8% by weight and a ratio of CaO/SiO.sub.2 between 1.4 and 1.8, forming agglomerates of the reducible mixture over a hearth material layer to protect the hearth, heating the agglomerates to a higher temperature above the melting point of iron to form nodules of metallic iron and slag material from the agglomerates by melting.

Hendrickson, David W; Iwasaki, Iwao

2013-09-17T23:59:59.000Z

132

Drinking Water Problems: Iron and Manganese  

E-Print Network (OSTI)

Iron and manganese can give water an unpleasant taste, odor and color. In this publication you'll learn how to know whether your water contains iron or manganese and how to eliminate these contaminants with various treatment methods such as aeration and chemical oxidation.

Dozier, Monty; McFarland, Mark L.

2004-02-20T23:59:59.000Z

133

Arsenic Remediation of Bangladesh Drinking Water using Iron-oxide...  

NLE Websites -- All DOE Office Websites (Extended Search)

Arsenic Remediation of Bangladesh Drinking Water using Iron-oxide Coated Coal Ash Title Arsenic Remediation of Bangladesh Drinking Water using Iron-oxide Coated Coal Ash...

134

Processing, Microstructure and Properties of Cast Irons and Cast ...  

Science Conference Proceedings (OSTI)

... Process Design of the Ductile Cast Iron Cylinder Head for Marine Diesel Engine ... Heavy Section Ductile Iron Castings for Use in Wind Turbine Generators.

135

Fundamental Research on the Characteristics of Sierra Leone Iron ...  

Science Conference Proceedings (OSTI)

Differential Characterization of Ikperejere Iron shale and Iron Sandstone Deposit · Direct Precipitation of Sr-doped LaP3O9 Thin Film Electrolytes for ...

136

Pages that link to "Iron Edison Battery Company" | Open Energy...  

Open Energy Info (EERE)

Share this page on Facebook icon Twitter icon Pages that link to "Iron Edison Battery Company" Iron Edison Battery Company Jump to: navigation, search What links here...

137

Changes related to "Iron Edison Battery Company" | Open Energy...  

Open Energy Info (EERE)

Share this page on Facebook icon Twitter icon Changes related to "Iron Edison Battery Company" Iron Edison Battery Company Jump to: navigation, search This is a list...

138

Iron catalysis in oxidation by ozone - Energy Innovation Portal  

Bookmark Iron catalysis in oxidation by ozone - Energy Innovation Portal on Google; Bookmark Iron catalysis in oxidation by ozone - Energy Innovation ...

139

Climate VISION: Private Sector Initiatives: Iron and Steel: Resources...  

Office of Scientific and Technical Information (OSTI)

Industry Associations American Iron and Steel Institute For over a century, North American steel producers have worked as partners and members of the American Iron and Steel...

140

Fischer–Tropsch Synthesis: Characterization Rb Promoted Iron ...  

Science Conference Proceedings (OSTI)

Nov 1, 2007 ... Abstract Rubidium promoted iron Fischer–Tropsch synthesis (FTS) ... Keywords Fischer–Tropsch synthesis Á Iron catalyst Á. Rubidium Á Active ...

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Reconstruction of Gene Networks of Iron Response in Shewanella oneidensis  

Science Conference Proceedings (OSTI)

It is of great interest to study the iron response of the -proteobacterium Shewanella oneidensis since it possesses a high content of iron and is capable of utilizing iron for anaerobic respiration. We report here that the iron response in S. oneidensis is a rapid process. To gain more insights into the bacterial response to iron, temporal gene expression profiles were examined for iron depletion and repletion, resulting in identification of iron-responsive biological pathways in a gene co-expression network. Iron acquisition systems, including genes unique to S. oneidensis, were rapidly and strongly induced by iron depletion, and repressed by iron repletion. Some were required for iron depletion, as exemplified by the mutational analysis of the putative siderophore biosynthesis protein SO3032. Unexpectedly, a number of genes related to anaerobic energy metabolism were repressed by iron depletion and induced by repletion, which might be due to the iron storage potential of their protein products. Other iron-responsive biological pathways include protein degradation, aerobic energy metabolism and protein synthesis. Furthermore, sequence motifs enriched in gene clusters as well as their corresponding DNA-binding proteins (Fur, CRP and RpoH) were identified, resulting in a regulatory network of iron response in S. oneidensis. Together, this work provides an overview of iron response and reveals novel features in S. oneidensis, including Shewanella-specific iron acquisition systems, and suggests the intimate relationship between anaerobic energy metabolism and iron response.

Yang, Yunfeng [ORNL; Harris, Daniel P [ORNL; Luo, Feng [Clemson University; Joachimiak, Marcin [Clemson University; Wu, Liyou [University of Oklahoma; Dehal, Paramvir [Lawrence Berkeley National Laboratory (LBNL); Jacobsen, Janet [Lawrence Berkeley National Laboratory (LBNL); Yang, Zamin Koo [ORNL; Gao, Haichun [University of Oklahoma; Arkin, Adam [Lawrence Berkeley National Laboratory (LBNL); Palumbo, Anthony Vito [ORNL; Zhou, Jizhong [University of Oklahoma

2009-01-01T23:59:59.000Z

142

Iron and Steel Energy Intensities  

U.S. Energy Information Administration (EIA) Indexed Site

If you are having trouble, call 202-586-8800 for help. Home > >Energy Users > Energy Efficiency Page > Iron and Steel Energy Intensities First Use of Energy Blue Bullet First Use/Value of Production Blue Bullet First Use/Ton of steel End Uses of Consumption Blue Bullet Total End Use/Value of Production Blue Bullet Total End Use/Ton of Steel Boiler Fuel as End Use Blue Bullet Boiler Fuel /Value of Production Blue Bullet Boiler Fuel /Ton of Steel Process Heating as End Use Blue Bullet Process Heating Fuel /Ton of Steel Blue Bullet Process Heating /Value of Production Machine Drive as End Use Blue Bullet Machine Drive Fuel/Ton of Steel Blue Bullet Machine Drive Fuel /Value of Production Expenditures Blue Bullet Purchased Fuel /Ton of Steel Blue Bullet Purchased Fuel /Value of Production

143

Dechlorination of TCE with palladized iron  

DOE Patents (OSTI)

The present invention relates to various methods, such as an above-ground method and an in-ground method, of using a palladized iron bimetallic system for the dechlorination of chlorinated organic compounds from effluents containing the same. The use of palladized iron bimetallic system results in the dechlorination of the chlorinated organic compound into environmentally safe reaction products. The present invention also provides kits, devices, and other instruments that use the above-mentioned palladized iron bimetallic system for the dechlorination of chlorinated organic compounds. 10 figs.

Fernando, Q.; Muftikian, R.; Korte, N.

1998-06-02T23:59:59.000Z

144

Why Sequence Freshwater Iron-Oxidizing Bacteria?  

NLE Websites -- All DOE Office Websites (Extended Search)

Freshwater Iron-Oxidizing Bacteria? Freshwater Iron-Oxidizing Bacteria? The goal of this project is to obtain complete genome sequences for six different freshwater iron (Fe)-oxidizing bacteria (FeOB). Four of these are oxygen-dependent iron-oxidizing β-proteobacteria, and three of these, Sideroxydans lithotrophicus, Gallionella capsiferriformans, and strain TW-2, are capable of chemolithoautotrophic growth (that is, obtaining energy by the oxidation of inorganic compounds) using Fe(II) as sole energy source under microaerobic (low-oxygen) conditions. The fourth organism, Leptothrix cholodnii, is a sheath-forming heterotrophic (i.e., using complex organic compounds for nutrition) organism that oxidizes both Fe(II) and Mn(II) and deposits a ferromanganic coating on its sheath. In addition,

145

BNL Blood Drives: Iron-rich foods  

NLE Websites -- All DOE Office Websites (Extended Search)

BNL Blood Drives: Iron-Rich Foods Blood Drive Home Seafood: Fish (cod, sardines, tuna, clams, oysters, shrimp) Poultry: Chicken, eggs, yolk Lean Red Meats: Beef, lamb, veal, pork,...

146

Solubility of carbon in nanocrystalline ?-iron  

Science Conference Proceedings (OSTI)

A thermodynamic model for nanocrystalline interstitial alloys is presented. The equilibrium solid solubility of carbon in ?-iron is calculated for given grain size. Inside the strained nanograins local variation of the carbon content is predicted. ...

Alexander Kirchner; Bernd Kieback

2012-01-01T23:59:59.000Z

147

Iron and the ecology of marine microbes  

E-Print Network (OSTI)

Iron is a cofactor of a number biochemical reactions that are essential for life. In the marine environment, this micronutrient is a scarce resource that limits processes of global importance such as photosynthesis and ...

Ventouras, Laure-Anne

2013-01-01T23:59:59.000Z

148

Soldering instrument safety improvements  

DOE Patents (OSTI)

It is an object of the present invention to make soldering instruments safer and easier to use. According to one aspect of the present invention, a non-heatsinking, protective shield is provided around the soldering tip of the solder iron. This heat shield covers the iron`s hot tip throughout the soldering process with the exception of the time needed to perform an actual solder connection using the tip. The shield protects the user or nearby personnel from harm when the soldering iron is at elevated temperatures (500{degrees}F to 800{degrees}F).Moreover, the shield is capable of preventing fires which might result if the iron`s tip inadvertently comes into contact with an object that can be easily ignited, e.g. paper. In addition, an air vacuum system is incorporated into the shield to remove the solder smoke.

Kosslow, W.J.; Giron, R.W.

1994-12-31T23:59:59.000Z

149

Removal of iron from impure graphites  

DOE Green Energy (OSTI)

Iron-impregnated and ash-rich graphites have been purified by leaching with gaseous I/sub 2/ at 900/sup 0/C. With addition of H/sub 2/, the rate of removal of impurity iron can be markedly increased and becomes comparable to that obtained with Cl/sub 2/. I/sub 2/ has an advantage in that it can also volatilize Ca and perhaps Ba and Sr.

Growcock, F.B.; Heiser, J.

1979-01-01T23:59:59.000Z

150

C:\Eco-SSLs\Final Guidance November 2003\Contaminant Specific\Iron\Eco-SSL for Iron.wpd  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron Iron Interim Final OSWER Directive 9285.7-69 U. S. Environmental Protection Agency Office of Solid Waste and Emergency Response 1200 Pennsylvania Avenue, N.W. Washington, DC 20460 November 2003 This page intentionally left blank TABLE OF CONTENTS SUMMARY OF ECO-SSLs FOR IRON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ES - 1 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1 2.0 IRON GEOCHEMISTRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1 2.1 Weathering Processes Affect on Iron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 3 2.2 Soil Conditions Affect on Iron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 4 3.0 EFFECTS OF IRON ON PLANTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1 3.1 Essentiality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1 3.2 General Effects

151

Aluminum stimulates uptake of non-transferrin bound iron and transferrin bound iron in human glial cells  

SciTech Connect

Aluminum and other trivalent metals were shown to stimulate uptake of transferrin bound iron and nontransferrin bound iron in erytholeukemia and hepatoma cells. Because of the association between aluminum and Alzheimer's Disease, and findings of higher levels of iron in Alzheimer's disease brains, the effects of aluminum on iron homeostasis were examined in a human glial cell line. Aluminum stimulated dose- and time-dependent uptake of nontransferrin bound iron and iron bound to transferrin. A transporter was likely involved in the uptake of nontransferrin iron because uptake reached saturation, was temperature-dependent, and attenuated by inhibitors of protein synthesis. Interestingly, the effects of aluminum were not blocked by inhibitors of RNA synthesis. Aluminum also decreased the amount of iron bound to ferritin though it did not affect levels of divalent metal transporter 1. These results suggest that aluminum disrupts iron homeostasis in Brain by several mechanisms including the transferrin receptor, a nontransferrin iron transporter, and ferritin.

Kim, Yongbae [Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University (United States); Department of Preventive Medicine, Soonchunhyan University, Chunan City (Korea, Republic of) ; Olivi, Luisa [School of Pharmacy, Sahmyook University, Seoul (Korea, Republic of) ; Cheong, Jae Hoon [School of Pharmacy, Sahmyook University, Seoul (Korea, Republic of) ; Maertens, Alex [Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University (United States); Bressler, Joseph P. [Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University (United States) and Kennedy-Krieger Institute, Baltimore, MD 21205 (United States)]. E-mail: Bressler@kennedykrieger.org

2007-05-01T23:59:59.000Z

152

Iron Availability in the Southern Ocean  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron Availability in the Southern Ocean Print Iron Availability in the Southern Ocean Print The Southern Ocean, circling the Earth between Antarctica and the southernmost regions of Africa, South America, and Australia, is notorious for its high-nutrient, low-chlorophyll areas, which are rich in nutrients-but poor in essential iron. Sea life is less abundant in these regions because the growth of phytoplankton-the marine plants that form the base of the food chain-is suppressed. A study by scientists from South Africa's Stellenbosch University, Princeton University, and the Advanced Light Source (ALS) suggests that it is not just a lack of iron, but a lack of iron in an easy-to-use form, that is affecting the ecosystems. The researchers sampled two north-south corridors across the Southern Ocean, traveling an easterly transect between the base of the South African National Antarctic Expeditions (SANAE IV) in Queen Maud Land and Cape Town, and a westerly transect between SANAE IV and South Georgia Island. Along the way they collected particles containing solid iron from a series of ocean systems with different characteristics.

153

Iron Availability in the Southern Ocean  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron Availability in the Southern Ocean Print Iron Availability in the Southern Ocean Print The Southern Ocean, circling the Earth between Antarctica and the southernmost regions of Africa, South America, and Australia, is notorious for its high-nutrient, low-chlorophyll areas, which are rich in nutrients-but poor in essential iron. Sea life is less abundant in these regions because the growth of phytoplankton-the marine plants that form the base of the food chain-is suppressed. A study by scientists from South Africa's Stellenbosch University, Princeton University, and the Advanced Light Source (ALS) suggests that it is not just a lack of iron, but a lack of iron in an easy-to-use form, that is affecting the ecosystems. The researchers sampled two north-south corridors across the Southern Ocean, traveling an easterly transect between the base of the South African National Antarctic Expeditions (SANAE IV) in Queen Maud Land and Cape Town, and a westerly transect between SANAE IV and South Georgia Island. Along the way they collected particles containing solid iron from a series of ocean systems with different characteristics.

154

COPIES: Iron Range Legislative Delegation  

E-Print Network (OSTI)

Dear Legislators: We are pleased to present the annual report on our research regarding the health status of taconite workers and Iron Range community air quality. This report, as in the past, details the progress made by the University of Minnesota School of Public Health and the Natural Resources Research Institute (NRRI) in all research areas, including occupational exposure, mortality and incidence studies, the respiratory health survey of taconite workers and spouses and the environmental study of airborne particles. In addition, this report contains specific information regarding the assessment of mesothelioma as it pertains to exposure to mineral fibers, referred to as elongate mineral particles (EMP). For this report, the EMP measurement is a standard technique that identifies those fibers (EMP) considered long (over 5 microns). Although the research team felt this was the most important exposure to be assessed with the cases of mesothelioma, in the next several months there will be additional analyses that may provide further insight, including exposure to short EMP, silica and respirable dust. A final report is planned for the end of the year when all components are expected to be completed.

Sen Tony Lourey; Rep Tim Mahoney; Rep Sheldon Johnson; Rep David Dill; Rep Mary Murphy; Sen Tom Bakk; Rep John Persell; Rep Tom Anzelc; Sen Tom Saxhaug; Rep Carly Melin; Rep Jason Metsa

2013-01-01T23:59:59.000Z

155

Development of Bottom-up Representation of Industrial Energy Efficiency Technologies in Integrated Assessment Models for the Iron and Steel Sector  

E-Print Network (OSTI)

scrap, pig iron or direct reduced iron using an electric arcsteel, pig iron or direct reduced iron using an electric arcbuilding materials). Direct reduced iron (DRI) is produced

Xu, T.T.

2011-01-01T23:59:59.000Z

156

Method of manufacturing iron aluminide by thermomechanical processing of elemental powders  

DOE Patents (OSTI)

A powder metallurgical process of preparing iron aluminide useful as electrical resistance heating elements having improved room temperature ductility, electrical resistivity, cyclic fatigue resistance, high temperature oxidation resistance, low and high temperature strength, and/or resistance to high temperature sagging. The iron aluminide has an entirely ferritic microstructure which is free of austenite and can include, in weight %, 20 to 32% Al, and optional additions such as .ltoreq.1% Cr, .gtoreq.05% Zr or ZrO.sub.2 stringers extending perpendicular to an exposed surface of the heating element, .ltoreq.2% Ti, .ltoreq.2% Mo, .ltoreq.1% Zr, .ltoreq.1% C, .ltoreq.0.1% B, .ltoreq.30% oxide dispersoid and/or electrically insulating or electrically conductive covalent ceramic particles, .ltoreq.1 % rare earth metal, .ltoreq.1% oxygen, and/or .ltoreq.3% Cu. The process includes forming a mixture of aluminum powder and iron powder, shaping the mixture into an article such as by cold rolling the mixture into a sheet, and sintering the article at a temperature sufficient to react the iron and aluminum powders and form iron aluminide. The sintering can be followed by hot or cold rolling to reduce porosity created during the sintering step and optional annealing steps in a vacuum or inert atmosphere.

Deevi, Seetharama C. (Midlothian, VA); Lilly, Jr., A. Clifton (Chesterfield, VA); Sikka, Vinod K. (Oak Ridge, TN); Hajaligol, Mohammed R. (Richmond, VA)

2000-01-01T23:59:59.000Z

157

Electron Correlation in Iron-Based Superconductors  

NLE Websites -- All DOE Office Websites (Extended Search)

Electron Correlation in Iron-Based Superconductors Print Electron Correlation in Iron-Based Superconductors Print In 2008, the discovery of iron-based superconductors stimulated a worldwide burst of activity, leading to about two preprints per day ever since. With a maximum superconducting transition temperature (so far) of 55 K, it is natural to wonder if studying the new materials will help uncover one of the deepest mysteries in modern physics-the mechanism of superconductivity in the copper-based "high-temperature superconductors." One clue lies in whether the electrons in the new superconductors are as highly correlated as they are in the high-temperature superconductors. A truly international North American/European/Asian collaboration working at the ALS has now reported results from a combination of x-ray absorption spectroscopy, resonant inelastic x-ray scattering, and systematic theoretical simulations of iron-based superconductors. The team was able to settle the correlations debate by showing that electrons in the iron-based families that were studied favor itinerant (delocalized) states with only moderate correlations.

158

Electron Correlation in Iron-Based Superconductors  

NLE Websites -- All DOE Office Websites (Extended Search)

Electron Correlation in Iron-Based Superconductors Print Electron Correlation in Iron-Based Superconductors Print In 2008, the discovery of iron-based superconductors stimulated a worldwide burst of activity, leading to about two preprints per day ever since. With a maximum superconducting transition temperature (so far) of 55 K, it is natural to wonder if studying the new materials will help uncover one of the deepest mysteries in modern physics-the mechanism of superconductivity in the copper-based "high-temperature superconductors." One clue lies in whether the electrons in the new superconductors are as highly correlated as they are in the high-temperature superconductors. A truly international North American/European/Asian collaboration working at the ALS has now reported results from a combination of x-ray absorption spectroscopy, resonant inelastic x-ray scattering, and systematic theoretical simulations of iron-based superconductors. The team was able to settle the correlations debate by showing that electrons in the iron-based families that were studied favor itinerant (delocalized) states with only moderate correlations.

159

Electron Correlation in Iron-Based Superconductors  

NLE Websites -- All DOE Office Websites (Extended Search)

Electron Correlation in Iron-Based Superconductors Print Electron Correlation in Iron-Based Superconductors Print In 2008, the discovery of iron-based superconductors stimulated a worldwide burst of activity, leading to about two preprints per day ever since. With a maximum superconducting transition temperature (so far) of 55 K, it is natural to wonder if studying the new materials will help uncover one of the deepest mysteries in modern physics-the mechanism of superconductivity in the copper-based "high-temperature superconductors." One clue lies in whether the electrons in the new superconductors are as highly correlated as they are in the high-temperature superconductors. A truly international North American/European/Asian collaboration working at the ALS has now reported results from a combination of x-ray absorption spectroscopy, resonant inelastic x-ray scattering, and systematic theoretical simulations of iron-based superconductors. The team was able to settle the correlations debate by showing that electrons in the iron-based families that were studied favor itinerant (delocalized) states with only moderate correlations.

160

Electron Correlation in Iron-Based Superconductors  

NLE Websites -- All DOE Office Websites (Extended Search)

Electron Correlation in Iron-Based Superconductors Print Electron Correlation in Iron-Based Superconductors Print In 2008, the discovery of iron-based superconductors stimulated a worldwide burst of activity, leading to about two preprints per day ever since. With a maximum superconducting transition temperature (so far) of 55 K, it is natural to wonder if studying the new materials will help uncover one of the deepest mysteries in modern physics-the mechanism of superconductivity in the copper-based "high-temperature superconductors." One clue lies in whether the electrons in the new superconductors are as highly correlated as they are in the high-temperature superconductors. A truly international North American/European/Asian collaboration working at the ALS has now reported results from a combination of x-ray absorption spectroscopy, resonant inelastic x-ray scattering, and systematic theoretical simulations of iron-based superconductors. The team was able to settle the correlations debate by showing that electrons in the iron-based families that were studied favor itinerant (delocalized) states with only moderate correlations.

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Electron Correlation in Iron-Based Superconductors  

NLE Websites -- All DOE Office Websites (Extended Search)

Electron Correlation in Iron-Based Superconductors Print Electron Correlation in Iron-Based Superconductors Print In 2008, the discovery of iron-based superconductors stimulated a worldwide burst of activity, leading to about two preprints per day ever since. With a maximum superconducting transition temperature (so far) of 55 K, it is natural to wonder if studying the new materials will help uncover one of the deepest mysteries in modern physics-the mechanism of superconductivity in the copper-based "high-temperature superconductors." One clue lies in whether the electrons in the new superconductors are as highly correlated as they are in the high-temperature superconductors. A truly international North American/European/Asian collaboration working at the ALS has now reported results from a combination of x-ray absorption spectroscopy, resonant inelastic x-ray scattering, and systematic theoretical simulations of iron-based superconductors. The team was able to settle the correlations debate by showing that electrons in the iron-based families that were studied favor itinerant (delocalized) states with only moderate correlations.

162

Carbon Emissions: Iron and Steel Industry  

U.S. Energy Information Administration (EIA) Indexed Site

Iron and Steel Industry Iron and Steel Industry Carbon Emissions in the Iron and Steel Industry The Industry at a Glance, 1994 (SIC Code: 3312) Total Energy-Related Emissions: 39.9 million metric tons of carbon (MMTC) -- Pct. of All Manufacturers: 10.7% -- Nonfuel Emissions: 22.2 MMTC Total First Use of Energy: 1,649 trillion Btu -- Pct. of All Manufacturers: 7.6% Nonfuel Use of Energy: 886 trillion Btu (53.7%) -- Coal: 858 trillion Btu (used to make coke) Carbon Intensity: 24.19 MMTC per quadrillion Btu Energy Information Administration, "1994 Manufacturing Energy Consumption Survey" and Emissions of Greenhouse Gases in the United States 1998 Energy-Related Carbon Emissions, 1994 Source of Carbon Carbon Emissions (million metric tons) All Energy Sources 39.9 Coal 22.7

163

Attrition and carbon formation on iron catalysts  

DOE Green Energy (OSTI)

A serious engineering problem that needs to be addressed in the scale-up of slurry-phase, Fischer-Tropsch reactors is attrition of the precipitated iron catalyst. Attrition, which can break down the catalyst into particles too small to filter, results from both mechanical and chemical forces. This study examines the chemical causes of attrition in iron catalysts. A bench-scale, slurry-phase CSTR is used to simulate operating conditions that lead to attrition of the catalyst. The average particle size and size distribution of the catalyst samples are used to determine the effect of slurry temperature, reducing gas, gas flow rate and time upon attrition of the catalyst. Carbon deposition, a possible contributing factor to attrition, has been examined using gravimetric analysis and TEM. Conditions affecting the rate of carbon deposition have been compared to those leading to attrition of the precipitated iron catalyst.

Kohler, S.D.; Harrington, M.S.; Jackson, N.B. [Sandia National Labs., Albuquerque, NM (United States); Shroff, M.; Kalakkad, D.S.; Datye, A.K. [New Mexico Univ., Albuquerque, NM (United States). Dept. of Chemical and Nuclear Engineering

1994-08-01T23:59:59.000Z

164

Marine Diatoms Survive Iron Droughts in the Ocean by Storing Iron in  

NLE Websites -- All DOE Office Websites (Extended Search)

Marine Diatoms Survive Iron Droughts in Marine Diatoms Survive Iron Droughts in the Ocean by Storing Iron in Ferritin Almost all organisms require iron as a co-factor in numerous metalloproteins and enzymes. In particular, phytoplankton, which are aquatic, free-drifting, single-celled organisms that can harvest energy from the sun, have an elevated demand for iron due to the large role it plays in their photosynthetic machinery. In 30-40% of the world's oceans iron concentrations are low enough to limit the growth of phytoplankton (Martin and Fitzwater 1988; Moore et al. 2002). New sources of iron to these regions are sporadic and typically include atmospheric dust deposition or weak upwelling of deep waters. figure 1 Figure 1: A light micrograph of the marine pennate diatom Pseudo-nitzschia multiseries. Shown are one whole cell and two partial cells connected at the cell tips in a chain. The brown components of the cells are the chloroplasts. Scale bar = 5 mm. (Image courtesy of K. Holtermann)

165

Refractory Improvement  

NLE Websites -- All DOE Office Websites (Extended Search)

Refractory Improvement Refractory Improvement NETL Office of Research and Development Project Number: FWP-2012.03.03 Task 2 Project Description Industry would like gasifier on-line availability of 85-95% for utility applications and 95% for applications such as chemical production. Gasification facilities' are currently unable to meet these requirements, which have created a potential roadblock to widespread acceptance and commercialization of gasification technologies. Refractory liners and syngas coolers are among key components of the gasification process previously identified as negatively impacting gasifier availability. Ash originating from impurities in the gasifier's carbon feedstock is the root cause of many problems impacting gasifier RAM (Reliability Availability Maintainability). At the high temperatures of gasification, ash changes to liquid, gas, and solid phases which wear down refractory materials and can cause fouling, either of which can lead to unplanned shutdowns for system repair, replacement, or cleaning.

166

Importance of Iron Mineralogy to Aerosol Solubility: Potential Effects of  

NLE Websites -- All DOE Office Websites (Extended Search)

Importance of Iron Mineralogy to Importance of Iron Mineralogy to Aerosol Solubility: Potential Effects of Aerosol Source on Ocean Photosynthesis figure 1 Figure 1. Dust storm blowing glacial dusts from the Copper River Basin of southeast Alaska into the North Pacific Ocean, which depends on this and other external iron sources to support its biological communities. (Image: NASA MODIS satellite image, Nov. 1, 2006. http://earthobservatory.nasa.gov/IOTD/view.php?id=7094) Iron is one of the most important elements to life. Despite its paramount importance and relative abundance, dissolved iron concentrations are often very low, in part due to the formation of very stable iron minerals in most oxidizing environments. Since soluble iron is available to living organisms, iron deficiencies are widespread, and the factors that influence

167

Candidate anode materials for iron production by molten oxide electrolysis  

E-Print Network (OSTI)

Molten oxide electrolysis (MOE) has been identified by the American Iron and Steel Institute (AISI) as one of four possible breakthrough technologies to alleviate the environmental impact of iron and steel production. This ...

Paramore, James D

2010-01-01T23:59:59.000Z

168

Lab researchers achieve record pressure for solid iron  

NLE Websites -- All DOE Office Websites (Extended Search)

for solid iron. Lab researchers achieve record pressure for solid iron Breanna Bishop, LLNL, (925) 423-9802, bishop33@llnl.gov High Resolution Image Illustration of the...

169

Authority, polity, and tenuous elites in Iron Age Edom (Jordan)  

E-Print Network (OSTI)

the Iron Age in southern Jordan (Shef?eld), 47–54. knauf, e.at Tawilan in southern Jordan (Oxford). bienkowski, p.the Iron Age in southern Jordan: A framework. In Bienkowski,

Porter, Benjamin W.

2004-01-01T23:59:59.000Z

170

Climate VISION: Private Sector Initiatives: Iron and Steel: Resources and  

Office of Scientific and Technical Information (OSTI)

Resources & Links Resources & Links Software Tools Steel Industry of the Future Tools & Publications The Industrial Technologies Program offers a wide array of publications, videos, software, and other information products for improving energy efficiency in the iron and steel industry. DOE BestPractices Software Tools DOE BestPractices offers a range of software tools and databases that help manufacturers assess their plant's steam, compressed air, motor, and process heating systems. DOE Plant Energy Profiler Industry experience has shown that many plant utility personnel do not have an adequate understanding of their energy cost structure and where the major focus should be for any energy savings program. This tool will address this need and enable an engineer assigned to a plant utility to

171

Lithium Iron Phosphate Composites for Lithium Batteries | Argonne...  

NLE Websites -- All DOE Office Websites (Extended Search)

Lithium Iron Phosphate Composites for Lithium Batteries Technology available for licensing: Inexpensive, electrochemically active phosphate compounds with high functionality for...

172

Iron Catalysis in Oxidations by Ozone - Energy Innovation Portal  

Wind Energy; Partners (27) Visual Patent Search; Success Stories; News; Events; Industrial Technologies Iron Catalysis in Oxidations by Ozone Ames ...

173

Iron 'Veins' Are Secret of Promising New Hydrogen Storage ...  

Science Conference Proceedings (OSTI)

Iron 'Veins' Are Secret of Promising New Hydrogen Storage Material. ... International Journal of Hydrogen Energy, 36 (2011), pp. ...

2012-10-18T23:59:59.000Z

174

Computational and Experimental Design of Iron-Based Superalloys for Elevated Temperature Applications  

NLE Websites -- All DOE Office Websites (Extended Search)

Design Design of Iron-Based Superalloys for Elevated Temperature Applications Background The Department of Energy's (DOE) Ultra-Supercritical Steam Boiler and Turbines Program calls for an increase of steam temperature, from 593 to 760 degrees Celsius (°C), by the year 2020. The National Energy Technology Laboratory (NETL) is sponsoring projects to improve the thermal efficiency of steam turbines by developing materials

175

F-T process using an iron on mixed zirconia-titania supported catalyst  

DOE Patents (OSTI)

A Fischer-Tropsch catalyst comprising iron co-deposited with or deposited on particles comprising a mixture of zirconia and titania, preferably formed by co-precipitation of compounds convertible to zirconia and titania, such as zirconium and titanium alkoxide. The invention also comprises the method of making this catalyst and an improved Fischer-Tropsch reaction process in which the catalyst is utilized.

Dyer, Paul N. (Allentown, PA); Nordquist, Andrew F. (Whitehall, PA); Pierantozzi, Ronald (Macungie, PA)

1987-01-01T23:59:59.000Z

176

Iron on mixed zirconia-titania substrate Fischer-Tropsch catalyst and method of making same  

DOE Patents (OSTI)

A Fischer-Tropsch catalyst comprising iron co-deposited with or deposited on particles comprising a mixture of zirconia and titania, preferably formed by co-precipitation of compounds convertible to zirconia and titania, such as zirconium and titanium alkoxide. The invention also comprises the method of making this catalyst and an improved Fischer-Tropsch reaction process in which the catalyst is utilized.

Dyer, Paul N. (Allentown, PA); Nordquist, Andrew F. (Whitehall, PA); Pierantozzi, Ronald (Macungie, PA)

1986-01-01T23:59:59.000Z

177

Demonstration Test of Iron Addition to a Flue Gas Desulfurization (FGD) Absorber to Enhance Mercury Removal  

Science Conference Proceedings (OSTI)

This report documents the findings from a full-scale demonstration test of the effects on trace elements of adding iron to a forced oxidation flue gas desulfurization (FGD) scrubber. Three specific effects were evaluated: lowering mercury emissions to the atmosphere; lowering the concentration of soluble or sub-micron-sized mercury particles in FGD purge water, which could improve removal of mercury in FGD purge water treatment; and lowering the concentration of selenate in FGD purge water, which could i...

2009-12-31T23:59:59.000Z

178

Iron distribution and phytoplankton iron limitation in the southern California Current System  

E-Print Network (OSTI)

chl L -1 ) in the southern offshore region. 1.3. Literaturedissolved iron concentrations at an offshore station (~700 km offshore San Diego, CA, July 2007, 29° 51’ N, 123 °

King, Andrew Luke

2008-01-01T23:59:59.000Z

179

Thermodynamic Analyses of Iron Oxides Redox Reactions  

Science Conference Proceedings (OSTI)

To clarify such confusions, the elementary thermodynamic data of various iron ... and water vapor are used to calculate the changes of thermodynamic quantities such as .... Heat Transfer Characteristic in a Slag Heat Recovery Chamber ... Numerical Simulation of Electro-magnetic Flow Control Phenomenon in a Tundish.

180

Research and development of advanced nickel-iron batteries for electric vehicle propulsion  

DOE Green Energy (OSTI)

The purpose of this program has been to develop and demonstrate an advanced nickel-iron battery suitable for use in electric vehicles. During the course of this contract various steps and modification have been taken to improve Nickel-Iron battery performance while reducing cost. Improvement of the nickel electrode through slurry formulations and substrate changes, as seen with the fiber electrode, were investigated. Processing parameters for impregnation and formation were also manipulated to improve efficiency. Impregnation saw the change of anode type from platinized titanium to the consumable nickel anode. Formation changes were also made allowing for doubled processing capabilities of positive electrodes, a savings in both time and money. A final design change involved the evolution of the NIF-200 from the NIF-220. This change permitted the use of 1.2 mm iron electrodes and maintained the necessary performance characteristics for electric vehicle propulsion. Emphasis on a pilot plant became the main focus during the late 1989--90 period. The pilot plant facility would be a culmination of the program providing the best product at the lowest price.

Not Available

1991-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Conditions for making direct reduced iron, transition direct reduced iron and pig iron nuggets in a laboratory furnace - Temperature-time transformations  

Science Conference Proceedings (OSTI)

The pig iron nugget process is gaining in importance as an alternative to the traditional blast furnace. Throughout the process, self-reducing-fluxing dried greenballs composed of iron ore concentrate, reducing-carburizing agent (coal), flux (limestone) and binder (bentonite) are heat-treated. During the heat treatment, dried greenballs are first transformed into direct reduced iron (DRI), then to transition direct reduced iron (TDRI) and finally to pig iron nuggets. The furnace temperature and/or residence time and the corresponding levels of carburization, reduction and metallization dictate these transformations. This study involved the determination of threshold furnace temperatures and residence times for completion of all of the transformation reactions and pig iron nugget production. The experiments involved the heat treatment of self-reducing-fluxing dried greenballs at various furnace temperatures and residence times. The products of these heat treatments were identified by utilizing optical microscopy, apparent density and microhardness measurements.

Anameric, B.; Kawatra, S.K. [Michigan Technological University, Houghton, MI (United States). Dept. of Chemical Engineering

2007-02-15T23:59:59.000Z

182

Prospect of advanced lead-acid, nickel/iron and nickel/zinc batteries for electric vehicle applications  

SciTech Connect

Major progress has been achieved in the lead-acid, nickel/iron and nickel/zinc battery technology development since the initiation of the Near-Term EV Battery Project in 1978. Against the specific energy goal of 56 Wh/kg the demonstrated specific energies are 41 Wh/kg for the improved lead-acid batteries, 48 Wh/kg for the improved nickel/iron batteries, and 68 Wh/kg for the improved nickel/zinc batteries. These specific energy values would allow an ETV-1 vehicle to have an urban range of 80 miles in the case of the improved lead-acid batteries, 96 miles for the improved nickel/iron batteries, and 138 miles for the improved nickel/zinc batteries. All represent a significant improvement over the state-of-the-art lead-acid battery capability of about 30 Wh/kg with approximately a 51 mile urban range for the ETV-1 vehicle. The project goal for specific power of 104 W/kg for 30 seconds at a 50% depth of discharge has been achieved for all of the technologies with the improved lead-acid demonstrating 111 W/kg, the improved nickel/iron demonstrating 103 W/kg and the improved nickel/zinc demonstrating 131 W/kg. Again this is a significant improvement over the state-of-the-art lead-acid battery capability of 70 W/kg. Substantial progress has been made against the life cycle goal of 800 cycles as evidenced by the demonstrated lead-acid battery achievement of >295 cycles in ongoing tests, the nickel/iron demonstrated capability of >515 cycles in ongoing tests, and the nickel/zinc demonstrated capability of 179 cycles. Except for the nickel/zinc batteries, the demonstrated cycle life is better than the state-of-the-art lead-acid battery cycle life of about 250 cycles. Future program emphases will be on improving cycle life and further reductions in cost.

Yao, N.P.; Christianson, C.C.; Hornstra, F.

1981-01-01T23:59:59.000Z

183

Next Generation Metallic Iron Nodule Technology in Electric Arc Steelmaking - Phase II  

Science Conference Proceedings (OSTI)

The current trend in the steel industry is a gradual decline in conventional steelmaking from taconite pellets in blast furnaces, and an increasing number of alternative processes using metallic scrap iron, pig iron and metallized iron ore products. Currently, iron ores from Minnesota and Michigan are pelletized and shipped to the lower Great Lakes ports as blast furnace feed. The existing transportation system and infrastructure is geared to handling these bulk materials. In order to expand the opportunities for the existing iron ore mines beyond their blast furnace customer base, a new material is needed to satisfy the needs of the emerging steel industry while utilizing the existing infrastructure and materials handling. A recent commercial installation employing Kobe Steel’s ITmk3 process, was installed in Northeastern Minnesota. The basic process uses a moving hearth furnace to directly reduce iron oxides to metallic iron from a mixture of iron ore, coals and additives. The resulting products can be shipped using the existing infrastructure for use in various steelmaking processes. The technology reportedly saves energy by 30% over the current integrated steelmaking process and reduces emissions by more than 40%. A similar large-scale pilot plant campaign is also currently in progress using JFE Steel’s Hi-QIP process in Japan. The objective of this proposal is to build upon and improve the technology demonstrated by Kobe Steel and JFE, by further reducing cost, improving quality and creating added incentive for commercial development. This project expands previous research conducted at the University of Minnesota Duluth’s Natural Resources Research Institute and that reported by Kobe and JFE Steel. Three major issues have been identified and are addressed in this project for producing high-quality nodular reduced iron (NRI) at low cost: (1) reduce the processing temperature, (2) control the furnace gas atmosphere over the NRI, and (3) effectively use sub-bituminous coal as a reductant. From over 4000 laboratory tube and box furnace tests, it was established that the correct combination of additives, fluxes, and reductant while controlling the concentration of CO and CO2 in the furnace atmosphere (a) lowers the operating temperature, (b) decreases the use of reductant coal (c) generates less micro nodules of iron, and (d) promotes desulphurization. The laboratory scale work was subsequently verified on 12.2 m (40 ft) long pilot scale furnace. High quality NRI could be produced on a routine basis using the pilot furnace facility with energy provided from oxy-gas or oxy-coal burner technologies. Specific strategies were developed to allow the use of sub-bituminous coals both as a hearth material and as part of the reaction mixture. Computational Fluid Dynamics (CFD) modeling was used to study the overall carbothermic reduction and smelting process. The movement of the furnace gas on a pilot hearth furnace and larger simulated furnaces and various means of controlling the gas atmosphere were evaluated. Various atmosphere control methods were identified and tested during the course of the investigation. Based on the results, the appropriate modifications to the furnace were made and tested at the pilot scale. A series of reduction and smelting tests were conducted to verify the utility of the processing conditions. During this phase, the overall energy use characteristics, raw materials, alternative fuels, and the overall economics predicted for full scale implementation were analyzed. The results indicate that it should be possible to lower reaction temperatures while simultaneously producing low sulfur, high carbon NRI if the right mix chemistry and atmosphere are employed. Recommendations for moving the technology to the next stage of commercialization are presented.

Donald R. Fosnacht; Iwao Iwasaki; Richard F. Kiesel; David J. Englund; David W. Hendrickson; Rodney L. Bleifuss

2010-12-22T23:59:59.000Z

184

Lithium-aluminum-iron electrode composition  

DOE Patents (OSTI)

A negative electrode composition is presented for use in a secondary electrochemical cell. The cell also includes an electrolyte with lithium ions such as a molten salt of alkali metal halides or alkaline earth metal halides that can be used in high-temperature cells. The cell's positive electrode contains a a chalcogen or a metal chalcogenide as the active electrode material. The negative electrode composition includes up to 50 atom percent lithium as the active electrode constituent in an alloy of aluminum-iron. Various binary and ternary intermetallic phases of lithium, aluminum and iron are formed. The lithium within the intermetallic phase of Al.sub.5 Fe.sub.2 exhibits increased activity over that of lithium within a lithium-aluminum alloy to provide an increased cell potential of up to about 0.25 volt.

Kaun, Thomas D. (Mokena, IL)

1979-01-01T23:59:59.000Z

185

Iron-sulfide redox flow batteries  

Science Conference Proceedings (OSTI)

Iron-sulfide redox flow battery (RFB) systems can be advantageous for energy storage, particularly when the electrolytes have pH values greater than 6. Such systems can exhibit excellent energy conversion efficiency and stability and can utilize low-cost materials that are relatively safer and more environmentally friendly. One example of an iron-sulfide RFB is characterized by a positive electrolyte that comprises Fe(III) and/or Fe(II) in a positive electrolyte supporting solution, a negative electrolyte that comprises S.sup.2- and/or S in a negative electrolyte supporting solution, and a membrane, or a separator, that separates the positive electrolyte and electrode from the negative electrolyte and electrode.

Xia, Guan-Guang; Yang, Zhenguo; Li, Liyu; Kim, Soowhan; Liu, Jun; Graff, Gordon L

2013-12-17T23:59:59.000Z

186

Magnetism and Superconductivity in Iron Pnictides  

Science Conference Proceedings (OSTI)

The discovery of high temperature superconductivity in iron pnictides and chalcogenides has resulted in surprising new insights into high temperature superconductivity and its relationship with magnetism. Here we provide an overview of some of what is known about these materials and in particular about the interplay of magnetism and superconductivity in them. Similarities and contrasts with cuprate superconductors are emphasized and the superconducting pairing is discussed within the framework of spin fluctuation induced pairing.

Singh, David J [ORNL

2012-01-01T23:59:59.000Z

187

Thin Wall Cast Iron: Phase II  

DOE Green Energy (OSTI)

The development of thin-wall technology allows the designers of energy consuming equipment to select the most appropriate material based on cost/material properties considerations, and not solely on density. The technology developed in this research project will permit the designers working for the automotive industry to make a better informed choice between competing materials and thin wall cast iron, thus decreasing the overall cost of the automobile.

Doru M. Stefanescu

2005-07-21T23:59:59.000Z

188

Nickel-iron battery system safety. Final report  

DOE Green Energy (OSTI)

Eagle-Picher Industries conducted a literature search and experimental tests to characterize the generated flow rates of gaseous hydrogen (GH/sub 2/) and gaseous oxygen (GO/sub 2/) from an electrical vehicle (EV) nickel-iron battery system. The resulting gassing rates were used to experimentally evaluate the flame quenching capabilities of several candidate devices to prevent the propagation of flame within batteries having central watering/venting systems. The battery generated hydrogen (GH/sub 2/) and oxygen (GO/sub 2/) gasses were measured for a complete charge and discharge cycle. The data correlates well with accepted theory during strong overcharge conditions indicating that the measurements are valid for other portions of the cycle. Tests have confirmed that the gas mixture in the cells is always flammable regardless of the battery status. Research of flame arrestor literature yielded little information regarding their operation with hydrogen-oxygen mixtures. It was indicated that a conventional flame arrestor would not be effective over the broad spectrum of gassing conditions presented by a nickel-iron battery. Four different types of protective devices were evaluated. A foam-metal arrestor design was successful in quenching GH/sub 2/-GO/sub 2/ flames, however; the application of this flame arrestor to individual cell or module protection in a battery is problematic. A possible rearrangement of the watering/venting system to accept the partial protection of simple one-way valves is presented. This in combination with the successful foam-metal arrestor as main vent protection, could result in a significant improvement in battery protection. This concept was not tested.

Saltat, R.

1984-06-01T23:59:59.000Z

189

Seal welded cast iron nuclear waste container  

SciTech Connect

This invention identifies methods and articles designed to circumvent metallurgical problems associated with hermetically closing an all cast iron nuclear waste package by welding. It involves welding nickel-carbon alloy inserts which are bonded to the mating plug and main body components of the package. The welding inserts might be bonded in place during casting of the package components. When the waste package closure weld is made, the most severe thermal effects of the process are restricted to the nickel-carbon insert material which is far better able to accommodate them than is cast iron. Use of nickel-carbon weld inserts should eliminate any need for pre-weld and post-weld heat treatments which are a problem to apply to nuclear waste packages. Although the waste package closure weld approach described results in a dissimilar metal combination, the relative surface area of nickel-to-iron, their electrochemical relationship, and the presence of graphite in both materials will act to prevent any galvanic corrosion problem.

Filippi, Arthur M. (Pittsburgh, PA); Sprecace, Richard P. (Murrysville, PA)

1987-01-01T23:59:59.000Z

190

THE EFFECT OF SMECTITE ON THE CORROSION OF IRON METAL  

SciTech Connect

The combination of zero-valent iron and a clay-type amendment is often observed to have a synergistic effect on the rate of reduction reactions. In this paper, electrochemical techniques are used to determine the mechanism of interaction between the iron and smectite clay minerals. Iron electrodes coated with an evaporated smectite suspension (clay-modified iron electrodes, CMIEs) were prepared using five different smectites: SAz-1, SWa-1, STx-1, SWy-1, and SHCa-1. All the smectites were exchanged with Na+ and one sample of SWy-1 was also exchanged with Mg2+. Potentiodynamic potential scans and cyclic voltammograms were taken using the CMIEs and uncoated but passivated iron electrodes. These electrochemical experiments, along with measurements of the amount of Fe2+ and Fe3+ sorbed in the smectite coating, suggested that the smectite removed the passive layer of the underlying iron electrode during the evaporation process. Cyclic voltammograms taken after the CMIEs were biased at the active-passive transition potential for varying amounts of time suggested that the smectite limited growth of a passive layer, preventing passivation. These results are attributed to the Broensted acidity of the smectite as well as to its ability to sorb iron cations. Oxides that did form on the surface of the iron in the presence of the smectite when it was biased anodically seemed to be different than those that form on the surface of an uncoated iron electrode under otherwise similar conditions; this difference suggested that the smectite reacted with the Fe2+ formed from the oxidation of the underlying iron. No significant correlation could be found between the ability of the smectite to remove the iron passive film and the smectite type. The results have implications for the mixing of sediments and iron particles in permeable reactive barriers, underground storage of radioactive waste in steel canisters, and the use of smectite supports in preventing aggregation of nano-sized zero-valent iron.

Balko, Barbara A.; Bosse, Stephanie A.; Cade, Anne E.; Jones-Landry, Elise F.; Amonette, James E.; Daschbach, John L.

2012-04-24T23:59:59.000Z

191

Improved high temperature creep resistant austenitic alloy  

DOE Patents (OSTI)

An improved austenitic alloy having in wt% 19-21 Cr, 30-35 Ni, 1.5-2.5 Mn, 2-3 Mo, 0.1-0.4 Si, 0.3-0.5 Ti, 0.1-0.3 Nb, 0.1-0.5 V, 0.001-0.005 P, 0.08-0.12 C, 0.01-0.03 N, 0.005-0.01 B and the balance iron that is further improved by annealing for up to 1 hour at 1150-1200/degree/C and then cold deforming 5-15%. The alloy exhibits dramatically improved creep rupture resistance and ductility at 700/degree/C. 2 figs.

Maziasz, P.J.; Swindeman, R.W.; Goodwin, G.M.

1988-05-13T23:59:59.000Z

192

WATER-GAS SHIFT KINETICS OVER IRON OXIDE CATALYSTS AT MEMBRANE REACTOR CONDITIONS  

DOE Green Energy (OSTI)

This report covers the second year of a project investigating water-gas shift catalysts for use in membrane reactors. It has been established that a simple iron high temperature shift catalyst becomes ineffective in a membrane reactor because the reaction rate is severely inhibited by the build-up of the product CO{sub 2}. During the past year, an improved microkinetic model for water-gas shift over iron oxide was developed. Its principal advantage over prior models is that it displays the correct asymptotic behavior at all temperatures and pressures as the composition approaches equilibrium. This model has been used to explore whether it might be possible to improve the performance of iron high temperature shift catalysts under conditions of high CO{sub 2} partial pressure. The model predicts that weakening the surface oxygen bond strength by less than 5% should lead to higher catalytic activity as well as resistance to rate inhibition at higher CO{sub 2} partial pressures. Two promoted iron high temperature shift catalysts were studied. Ceria and copper were each studied as promoters since there were indications in the literature that they might weaken the surface oxygen bond strength. Ceria was found to be ineffective as a promoter, but preliminary results with copper promoted FeCr high temperature shift catalyst show it to be much more resistant to rate inhibition by high levels of CO{sub 2}. Finally, the performance of sulfided CoMo/Al{sub 2}O{sub 3} catalysts under conditions of high CO{sub 2} partial pressure was simulated using an available microkinetic model for water-gas shift over this catalyst. The model suggests that this catalyst might be quite effective in a medium temperature water-gas shift membrane reactor, provided that the membrane was resistant to the H{sub 2}S that is required in the feed.

Carl R.F. Lund

2001-08-10T23:59:59.000Z

193

Iron Corrosion Observations: Pu(VI)-Fe Reduction Studies  

Science Conference Proceedings (OSTI)

Iron and Pu Reduction: (1) Very different appearances in iron reaction products were noted depending on pH, brine and initial iron phase; (2) Plutonium was associated with the Fe phases; (3) Green rust was often noted at the higher pH; (4) XANES established the green rust to be an Fe2/3 phase with a bromide center; and (5) This green rust phase was linked to Pu as Pu(IV).

Reed, Donald T. [Los Alamos National Laboratory; Swanson, Juliet S. [Los Alamos National Laboratory; Richmann, Michael K. [Los Alamos National Laboratory; Lucchini, Jean-Francois [Los Alamos National Laboratory; Borkowski, Marian [Los Alamos National Laboratory

2012-09-11T23:59:59.000Z

194

MATHEMATICAL MODELING OF THE LITHIUM-ALUMINUM, IRON SULFIDE BATTERY  

E-Print Network (OSTI)

and J. Newman, Proc. Syrup. Battery Design and Optimization,123, 1364 (1976). Symp, Battery Design and Optimization, S.~ALUMINUM, IRON SULFIDE BATTERY Contents ACKNOWLEDGEMENTS

Pollard, Richard

2012-01-01T23:59:59.000Z

195

Regenerable Mixed Copper-Iron-Inert Support Oxygen ...  

Regenerable Mixed Copper-Iron-Inert Support Oxygen Carriers for Solid Fuel Chemical Looping Combustion Process Contact NETL Technology Transfer Group

196

Mathematical Modeling for Side-Blow Combustion Region in Iron ...  

Science Conference Proceedings (OSTI)

Presentation Title, Mathematical Modeling for Side-Blow Combustion Region in Iron Bath Reactor with H2-C Mixture Reduction. Author(s), Bo Zhang, Hong Xin.

197

Low Resistivity Contact to Iron-Pnicitide Superconductors ...  

Iron-pnictide based superconductors have a number of superior properties as compared to other known high temperature ... Geothermal; Hydrogen and Fuel ...

198

Strengthening Sintering of Refractory Iron Ore with Biomass Fuel  

Science Conference Proceedings (OSTI)

Presentation Title, Strengthening Sintering of Refractory Iron Ore with Biomass Fuel. Author(s), Xiaohui Fan, Zhiyun Ji, Min Gan, Xuling Chen, Wenqi Li. On-Site

199

Investigation on Modified Humic Substances Based Binders for Iron ...  

Science Conference Proceedings (OSTI)

Presentation Title, Investigation on Modified Humic Substances Based Binders for Iron ... An Electron Microscopy Study of Nanoscale Surface and Sub-Surface ...

200

Unusual 'Collapsing' Iron Superconductor Sets Record for Its ...  

Science Conference Proceedings (OSTI)

... superconductor that operates at the highest known temperature for a material in its class.* The discovery inches iron-based superconductors— ...

2012-02-07T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

The Investigation of Sponge Iron Production Parameters by Using ...  

Science Conference Proceedings (OSTI)

May 1, 2007 ... In the present work, the possibilities of coal-based sponge iron production for industrial applications by using domestic lignite coal were ...

202

Coal-based Direct Reduction of Iron Concentrate Pellets by ...  

Science Conference Proceedings (OSTI)

Presentation Title, Coal-based Direct Reduction of Iron Concentrate Pellets by Microwave Heating. Author(s), Wang Xia, Huang Zhucheng. On-Site Speaker ...

203

Spark Plasma Sintering of Iron and Titanium Powders by ...  

Science Conference Proceedings (OSTI)

Mixtures of titanium and iron powders were activated in kerosene by high-voltage electrical discharges with different electrical discharge numbers.

204

Recent Progress in Molten Oxide Electrolysis for Iron Production  

Science Conference Proceedings (OSTI)

Presentation Title, Recent Progress in Molten Oxide Electrolysis for Iron Production ... Concentrated Solar Power for Producing Liquid Fuels from CO2 and H2O.

205

Iron active electrode and method of making same  

DOE Green Energy (OSTI)

An iron active electrode and method of preparing same in which iron sulfate is calcined in an oxidizing atmosphere at a temperature in the range of from about 600/sup 0/C to about 850/sup 0/C for a time sufficient to produce an iron oxide with a trace amount of sulfate are described. The calcined material is loaded into an electrically conductive support and then heated in a reducing atmosphere at an elevated temperature to produce activated iron having a trace amount of sulfide which is formed into an electrode plate.

Jackovitz, J.F.; Seidel, J.; Pantier, E.A.

1981-04-16T23:59:59.000Z

206

Materials Sustainability: Digital Resource Center - Iron and Steel ...  

Science Conference Proceedings (OSTI)

Jul 3, 2008 ... ABSTRACT: Consumption of iron and steel scrap and the health of the scrap industry depend directly on the health of the steelmaking industry.

207

PRODUCTION OF IRON FROM METALLURGICAL WASTE - Energy Innovation Portal  

Building Energy Efficiency ... Solar Thermal; Startup ... heating the agglomerates to a higher temperature above the melting point of iron to form nodules of metallic ...

208

New Iron-based Superconductors Reinforce Link to ...  

Science Conference Proceedings (OSTI)

New Iron-based and Copper-Oxide High-Temperature Superconductors Share Key Magnetic Properties. For Immediate Release: May 28, 2008. ...

2011-05-04T23:59:59.000Z

209

Vitrification of DOE Problematic Wastes Using Iron Phosphate Glasses  

Science Conference Proceedings (OSTI)

Abstract Scope, This work is to formulate and optimize iron phosphate glass compositions which are suitable for vitrifying several specified Hanford HLW and  ...

210

Effect of the Raw Material Characteristic of Iron Concentrates on ...  

Science Conference Proceedings (OSTI)

It has important instructing function for China steel mills to import and use iron ... Numerical Simulation of Electromagnetic Fields in Microwave Gas Heating ...

211

Niobium Alloying in Grey Cast Iron for Vehicle Brake Discs  

Science Conference Proceedings (OSTI)

Presentation Title, Niobium Alloying in Grey Cast Iron for Vehicle Brake Discs. Author(s) ... Microtexture Analysis of a Hot Rolled Silicon Electric Steel · Niobium

212

Iron-Air Rechargeable Battery: A Robust and Inexpensive Iron-Air Rechargeable Battery for Grid-Scale Energy Storage  

Science Conference Proceedings (OSTI)

GRIDS Project: USC is developing an iron-air rechargeable battery for large-scale energy storage that could help integrate renewable energy sources into the electric grid. Iron-air batteries have the potential to store large amounts of energy at low cost—iron is inexpensive and abundant, while oxygen is freely obtained from the air we breathe. However, current iron-air battery technologies have suffered from low efficiency and short life spans. USC is working to dramatically increase the efficiency of the battery by placing chemical additives on the battery’s iron-based electrode and restructuring the catalysts at the molecular level on the battery’s air-based electrode. This can help the battery resist degradation and increase life span. The goal of the project is to develop a prototype iron-air battery at significantly cost lower than today’s best commercial batteries.

None

2010-10-01T23:59:59.000Z

213

Void trapping of hydrogen in sintered iron  

DOE Green Energy (OSTI)

The effect of void trapping of hydrogen in iron was studied using the gas-phase permeation technique. Iron membranes of controlled void density, varying from 92% to 98% were prepared by press and sintering of electrolytic iron powder. The presence of internal voids showed no effect on the steady state flux of hydrogen through the membrane. The effective diffusivity, obtained by the time lag method, increased with the increase of input hydrogen partial pressure. This disagreement with the prediction of the theory in literature was explained by the existence of hydrogen in both the diatomic gaseous form and as adsorbed hydrogen. This explanation was further confirmed by examining the dependence of trapped hydrogen concentration with pressure. The linear dependence of trapped hydrogen concentration in voids with external hydrogen partial pressure for samples of 96%, 94% and 92% dense were given respectively by C/sub g/ = (1.5 +- 0.2) x 10/sup 15/ P + (3.2 +- 0.5) x 10/sup 14/ atoms of H/c.c. C/sub g/ = (2.1 +- 0.6) x 10/sup 15/ P + (1.7 +- 0.5) x 10/sup 15/ atoms of H/c.c. C/sub g/ = (4.5 +- 0.3) x 10/sup 15/ P + (6.5 +- 0.2) x 10/sup 15/ atoms of H/c.c. The discrepancy between the reported values and the values predicted by theory was explained by the poisoning of some of the voids by surface oxides.

Wong, K.C.

1976-09-01T23:59:59.000Z

214

Unconventional temperature enhanced magnetism in iron telluride  

SciTech Connect

Discoveries of copper and iron-based high-temperature superconductors (HTSC)1-2 have challenged our views of superconductivity and magnetism. Contrary to the pre-existing view that magnetism, which typically involves localized electrons, and superconductivity, which requires freely-propagating itinerant electrons, are mutually exclusive, antiferromagnetic phases were found in all HTSC parent materials3,4. Moreover, highly energetic magnetic fluctuations, discovered in HTSC by inelastic neutron scattering (INS) 5,6, are now widely believed to be vital for the superconductivity 7-10. In two competing scenarios, they either originate from local atomic spins11, or are a property of cooperative spin-density-wave (SDW) behavior of conduction electrons 12,13. Both assume clear partition into localized electrons, giving rise to local spins, and itinerant ones, occupying well-defined, rigid conduction bands. Here, by performing an INS study of spin dynamics in iron telluride, a parent material of one of the iron-based HTSC families, we have discovered that this very assumption fails, and that conduction and localized electrons are fundamentally entangled. In the temperature range relevant for the superconductivity we observe a remarkable redistribution of magnetism between the two groups of electrons. The effective spin per Fe at T 10 K, in the2 antiferromagnetic phase, corresponds to S 1, consistent with the recent analyses that emphasize importance of Hund s intra-atomic exchange15-16. However, it grows to S 3/2 in the disordered phase, a result that profoundly challenges the picture of rigid bands, broadly accepted for HTSC.

Zalinznyak, I. [Brookhaven National Laboratory (BNL); Xu, Zhijun [ORNL; Tranquada, John M. [Brookhaven National Laboratory (BNL); Gu, G. D. [Brookhaven National Laboratory (BNL); Tsvelik, A. [Brookhaven National Laboratory (BNL); Stone, Matthew B [ORNL

2011-01-01T23:59:59.000Z

215

Charge exchange processes involving iron ions  

DOE Green Energy (OSTI)

A review and evaluation is given of the experimental data which are available for charge exchange processes involving iron ions and neutral H, H/sub 2/ and He. Appropriate scaling laws are presented, and their accuracy estimated for these systems. A bibliography is given of available data sources, as well as of useful data compilations and review articles. A procedure is recommended for providing single approximate formulae to the fusion community to describe total cross sections for electron capture by partially-stripped Fe/sup q+/ ions in collisions with H, H/sub 2/ and He, based on the scaling relationships suggested by Janev and Hvelplund.

Phaneuf, R.A.

1985-01-01T23:59:59.000Z

216

Suspension Hydrogen Reduction of Iron Oxide Concentrates  

DOE Green Energy (OSTI)

The objective of the project is to develop a new ironmaking technology based on hydrogen and fine iron oxide concentrates in a suspension reduction process. The ultimate objective of the new technology is to replace the blast furnace and to drastically reduce CO2 emissions in the steel industry. The goals of this phase of development are; the performance of detailed material and energy balances, thermochemical and equilibrium calculations for sulfur and phosphorus impurities, the determination of the complete kinetics of hydrogen reduction and bench-scale testing of the suspension reduction process using a large laboratory flash reactor.

H.Y. Sohn

2008-03-31T23:59:59.000Z

217

Arsenic remediation of drinking water using iron-oxide coated coal bottom ash  

E-Print Network (OSTI)

using Iron-oxide Coated Coal Ash. In Arsenic Contaminationwater using  iron?oxide coated coal bottom ash  Johanna L.  using iron-oxide coated coal bottom ash JOHANNA L. MATHIEU

MATHIEU, JOHANNA L.

2010-01-01T23:59:59.000Z

218

New trends in industrial energy efficiency in the Mexico iron and steel industry  

E-Print Network (OSTI)

in the iron and steel industry" in 1997 ACEEE Summer Studyin the Mexican Iron and Steel industry are the B O F and theInternational Iron and Steel Industry, Brussels, pp. 47-48

Ozawa, Leticia; Martin, Nathan; Worrell, Ernst; Price, Lynn; Sheinbaum, Claudia

1999-01-01T23:59:59.000Z

219

Iron(II) Oxidation by SO 2 /O 2 in Uranium Leach Solutions  

Science Conference Proceedings (OSTI)

Aug 1, 2003 ... Oxidants are added in uranium leaching in acid media to convert iron(II) in solution to iron(III). Iron(III) has an important role in the leaching of ...

220

Electrically insulating phosphate coatings for iron powder based electromagnetic core applications  

E-Print Network (OSTI)

Powdered metals, such as iron, are a common building block for electromagnetic cores. An iron powder was reacted with phosphoric acid to create a layer of iron phosphate on each particle. This electrically insulating ...

Nolan, William Rane

2009-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Cost and Reliability Improvement for CIGS-Based PV on Flexible Substrate: May 24, 2006 -- July 31, 2010  

SciTech Connect

Global Solar Energy rapidly advances the cost and performance of commercial thin-film CIGS products using roll-to-roll processing on steel foil substrate in compact, low cost deposition equipment, with in-situ sensors for real-time intelligent process control. Substantial increases in power module efficiency, which now exceed 13%, are evident at GSE factories in two countries with a combined capacity greater than 75 MW. During 2009 the average efficiency of cell strings (3780 cm2) was increased from 7% to over 11%, with champion results exceeding 13% Continued testing of module reliability in rigid product has reaffirmed extended life expectancy for standard glass product, and has qualified additional lower-cost methods and materials. Expected lifetime for PV in flexible packages continues to increase as failure mechanisms are elucidated, and resolved by better methods and materials. Cost reduction has been achieved through better materials utilization, enhanced vendor and material qualification and selection. The largest cost gains have come as a result of higher cell conversion efficiency and yields, higher processing rates, greater automation and improved control in all process steps. These improvements are integral to this thin film PV partnership program, and all realized with the 'Gen2' manufacturing plants, processes and equipment.

Wiedeman, S.

2011-05-01T23:59:59.000Z

222

Energy efficiency and carbon dioxide emissions reduction opportunities in the U.S. Iron and Steel sector  

E-Print Network (OSTI)

scrap steel, pig iron, or direct reduced iron (DRI) using anfrom scrap and/or direct reduced iron (DRI, also calledAlternatives Direct reduced iron (DRI), hot briquetted

Worrell, Ernst; Martin, N.; Price, L.

1999-01-01T23:59:59.000Z

223

A Comparison of Iron and Steel Production Energy Use and Energy Intensity in China and the U.S.  

E-Print Network (OSTI)

Mt, net imported Direct-Reduced Iron (DRI) in 2006 was 2.61in Figure 3) pig iron, direct-reduced iron (DRI), pellets,of net imported direct reduced iron Energy used for the

Hasanbeigi, Ali

2012-01-01T23:59:59.000Z

224

Iron isotopic fractionation during continental weathering  

SciTech Connect

The biological activity on continents and the oxygen content of the atmosphere determine the chemical pathways through which Fe is processed at the Earth's surface. Experiments have shown that the relevant chemical pathways fractionate Fe isotopes. Measurements of soils, streams, and deep-sea clay indicate that the {sup 56}Fe/{sup 54}Fe ratio ({delta}{sup 56}Fe relative to igneous rocks) varies from +1{per_thousand} for weathering residues like soils and clays, to -3{per_thousand} for dissolved Fe in streams. These measurements confirm that weathering processes produce substantial fractionation of Fe isotopes in the modern oxidizing Earth surface environment. The results imply that biologically-mediated processes, which preferentially mobilize light Fe isotopes, are critical to Fe chemistry in weathering environments, and that the {delta}{sup 56}Fe of marine dissolved Fe should be variable and negative. Diagenetic reduction of Fe in marine sediments may also be a significant component of the global Fe isotope cycle. Iron isotopes provide a tracer for the influence of biological activity and oxygen in weathering processes through Earth history. Iron isotopic fractionation during weathering may have been smaller or absent in an oxygen-poor environment such as that of the early Precambrian Earth.

Fantle, Matthew S.; DePaolo, Donald J.

2003-10-01T23:59:59.000Z

225

Desulfurization mixture and process for desulfurizing pig iron  

SciTech Connect

Process and composition for desulfurizing pig iron in which the desulfurization agent consists essentially of calcium carbide, a gas-evolving component and fluorspar; the advantage of the process and composition is that it reduces dust pollution and danger of flaming in the handling of the slag after the desulfurization of pig iron.

Freissmuth, A.; Gmohling, W.; Rock, H.

1982-02-16T23:59:59.000Z

226

The release of iron during coal combustion. Milestone report  

Science Conference Proceedings (OSTI)

Iron plays an important role in the formation of both fly ash and deposits in many pulverized-coal-fired boilers. Several authors indicate that iron content is a significant indicator of the slagging propensity of a majority of US bituminous coals, in particular eastern bituminous coals. The pyritic iron content of these coals is shown to be a particularly relevant consideration. A series of investigations of iron release during combustion is reported for a suite of coals ranging in rank from lignite to low-volatile bituminous coal under combustion conditions ranging from oxidizing to inert. Experimental measurements are described in which, under selected conditions, major fractions of the iron in the coal are released within a 25 ms period immediately following coal devolatilization. Mechanistic interpretation of the data suggest that the iron is released as a consequence of oxygen attack on porous pyrrhotite particles. Experimental testing of the proposed mechanism reveals that the release is dependent on the presence of both pyrite in the raw coal and oxygen in the gas phase, that slow preoxidation (weathering) of the pyrite significantly inhibits the iron release, and that iron loss increases as oxygen penetration of the particle increases. Each observation is consistent with the postulated mechanism.

Baxter, L.L. [Sandia National Labs., Livermore, CA (United States). Combustion Research Facility

1995-06-01T23:59:59.000Z

227

EnvIRONment and Other Bath Smelting Processes for Treating ...  

Science Conference Proceedings (OSTI)

Although the American Iron and Steel Institute-Department of Energy program is ... definitely superior to the direct-reduced iron and scrap available on the ferrous market. ..... Based on in-house and independent analyses, it should be profitable to run an .... For more information, contact G. Brooks, University of Wollongong, ...

228

Study on Nucleation and Growth Mechanism of Iron Crystal Grain in ...  

Science Conference Proceedings (OSTI)

Presentation Title, Study on Nucleation and Growth Mechanism of Iron Crystal Grain in Coal-Based Shaft Furnace Direct Reduction Iron Pellets by Microwave ...

229

Trophic status of Chlamydomonas reinhardtii influences the impact of iron deficiency on photosynthesis  

E-Print Network (OSTI)

of iron de?ciency on photosynthesis Aimee M. Terauchi •rates by suppress- ing photosynthesis but increasing insteadal. 2007). In oxygenic photosynthesis, iron is a cofactor in

Terauchi, Aimee M.; Peers, Graham; Kobayashi, Marilyn C.; Niyogi, Krishna K.; Merchant, Sabeeha S.

2010-01-01T23:59:59.000Z

230

Process for removing technetium from iron and other metals  

DOE Patents (OSTI)

Technetium is a radioactive product of the nuclear fission process. During reprocessing of spent or partially spent fuel from nuclear reactors, the technetium can be released and contaminate other, otherwise good, metals. A specific example is equipment in gaseous diffusion uranium enrichment cascades which have been used to process fuel which was returned from reactors, so-called reactor returns. These returns contained volatile technetium compounds which contaminated the metals in the equipment. Present regulations require that technetium be removed before the metal can be re-used at non-radioactive sites. Removing the technetium from contaminated metals has two desirable results. First, the large amount of nonradioactive metal produced by the process herein described can be recycled at a much lower cost than virgin metal can be produced. Second, large amounts of radioactively contaminated metal can be reduced to relatively small amounts of radioactive slag and large amounts of essentially uncontaminated metal. A new and improved process for removing technetium from iron and other metals is described in which between 1/10 atom % and 5 atom % of manganese is added to the contaminated metal in order to replace the technetium.

Leitnaker, James M.; Trowbridge, Lee D.

1997-12-01T23:59:59.000Z

231

System and method for producing metallic iron nodules  

SciTech Connect

A method for producing metallic iron nodules by assembling a shielding entry system to introduce coarse carbonaceous material greater than 6 mesh in to the furnace atmosphere at location(s) where the temperature of the furnace atmosphere adjacent at least partially reduced reducible iron bearing material is between about 2200 and 2650.degree. F. (1200 and 1450.degree. C.), the shielding entry system adapted to inhibit emission of infrared radiation from the furnace atmosphere and seal the furnace atmosphere from exterior atmosphere while introducing coarse carbonaceous material greater than 6 mesh into the furnace to be distributed over the at least partially reduced reducible iron bearing material, and heating the covered at least partially reduced reducible iron bearing material in a fusion atmosphere to assist in fusion and inhibit reoxidation of the reduced material during fusion to assist in fusion and inhibit reoxidation of the reduced material in forming metallic iron nodules.

Bleifuss, Rodney L. (Grand Rapids, MN); Englund, David J. (Bovey, MN); Iwasaki, Iwao (Grand Rapids, MN); Lindgren, Andrew J. (Grand Rapids, MN); Kiesel, Richard F. (Hibbing, MN)

2011-09-20T23:59:59.000Z

232

ITP Mining: Energy and Environmental Profile of the U.S. Mining Industry: Chapter 4: Iron  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

4 4 Iron The chemical element iron is the fourth most common element in the Earth's crust and the second most abundant metal. About five percent of the Earth's crust is composed of iron. The metal is chemically active and is found in nature combined with other elements in rocks and soils. In its natural state, iron is chemically bonded with oxygen, water, carbon dioxide, or sulfur in a variety of minerals. Forms of Iron Minerals, Ores, and Rocks Iron occurs mainly in iron-oxide ores. Some ores are a mixture of minerals rich in iron. Other iron ores are less rich and have a large number of impurities. The most important iron ore- forming minerals are: * Magnetite - Magnetite (Fe 3 O 4 ) forms magnetic black iron ore. There are large deposits of

233

Research and development of advanced nickel-iron batteries for electric vehicle propulsion. Annual report, February 1990--January 1991  

DOE Green Energy (OSTI)

The purpose of this program has been to develop and demonstrate an advanced nickel-iron battery suitable for use in electric vehicles. During the course of this contract various steps and modification have been taken to improve Nickel-Iron battery performance while reducing cost. Improvement of the nickel electrode through slurry formulations and substrate changes, as seen with the fiber electrode, were investigated. Processing parameters for impregnation and formation were also manipulated to improve efficiency. Impregnation saw the change of anode type from platinized titanium to the consumable nickel anode. Formation changes were also made allowing for doubled processing capabilities of positive electrodes, a savings in both time and money. A final design change involved the evolution of the NIF-200 from the NIF-220. This change permitted the use of 1.2 mm iron electrodes and maintained the necessary performance characteristics for electric vehicle propulsion. Emphasis on a pilot plant became the main focus during the late 1989--90 period. The pilot plant facility would be a culmination of the program providing the best product at the lowest price.

Not Available

1991-12-31T23:59:59.000Z

234

Multiple hearth furnace for reducing iron oxide  

SciTech Connect

A multiple moving hearth furnace (10) having a furnace housing (11) with at least two moving hearths (20) positioned laterally within the furnace housing, the hearths moving in opposite directions and each moving hearth (20) capable of being charged with at least one layer of iron oxide and carbon bearing material at one end, and being capable of discharging reduced material at the other end. A heat insulating partition (92) is positioned between adjacent moving hearths of at least portions of the conversion zones (13), and is capable of communicating gases between the atmospheres of the conversion zones of adjacent moving hearths. A drying/preheat zone (12), a conversion zone (13), and optionally a cooling zone (15) are sequentially positioned along each moving hearth (30) in the furnace housing (11).

Brandon, Mark M. (Charlotte, NC); True, Bradford G. (Charlotte, NC)

2012-03-13T23:59:59.000Z

235

System and method for producing metallic iron  

SciTech Connect

A hearth furnace 10 for producing metallic iron material has a furnace housing 11 having a drying/preheat zone 12, a conversion zone 13, a fusion zone 14, and optionally a cooling zone 15, the conversion zone 13 is between the drying/preheat zone 12 and the fusion zone 14. A moving hearth 20 is positioned within the furnace housing 11. A hood or separation barrier 30 within at least a portion of the conversion zone 13, fusion zone 14 or both separates the fusion zone 14 into an upper region and a lower region with the lower region adjacent the hearth 20 and the upper region adjacent the lower region and spaced from the hearth 20. An injector introduces a gaseous reductant into the lower region adjacent the hearth 20. A combustion region may be formed above the hood or separation barrier.

Bleifuss, Rodney L. (Grand Rapids, MN); Englund, David J. (Bovey, MN); Iwasaki, Iwao (Grand Rapids, MN); Fosnacht, Donald R. (Hermantown, MN); Brandon, Mark M. (Charlotte, NC); True, Bradford G. (Charlotte, NC)

2012-01-17T23:59:59.000Z

236

Erosion of white cast irons and stellite  

SciTech Connect

The erosion behavior of dual-phase alloys containing large, hard carbides has been investigated. A series of high Cr-Mo white cast irons with a systematic variation of carbide volume fraction (CVF) and powder metallurgy specimens of Stellite 6 were eroded with alumina, crushed quartz and rounded quartz particles. These erodents were chosen because quartz has a hardness between that of the matrix and the Cr-rich carbides, whereas the hardness of alumina is comparable to that of the carbides. In addition, comparison of the results with crushed quartz and alumina allows an evaluation of the effect of particle hardness while the differences between the rounded and crushed quartz results can be attributed to the shape difference. For all erodents and alloys, the dependence of erosion on angle of incidence was weak. With alumina and rounded quartz erodents, the erosion rate increased with increasing CVF, while the reverse was true with crushed quartz. The crushed quartz erodent gave an erosion rate only slightly lower than that of alumina, indicating that the carbide erosion resistance is not a strong function of erodent particle hardness in this range of hardness. Scanning electron microscope (SEM) observations of the eroded surfaces showed that erosion of the highest-CVF white cast iron alloy with alumina or rounded quartz resulted in depression of the large primary carbides, while with crushed quartz many of the carbides protruded above the matrix. The SEM and erosion rate observations show that with crushed quartz the carbides are more erosion resistant than the eutectic matrix and that the carbides therfore contribute to erosion resistance, while with the other erodents the reverse is true. 17 refs., 15 figs., 2 tabs.

Aptekar, S.S.; Kosel, T.H.

1985-01-01T23:59:59.000Z

237

Theoretical Investigation of Hydrogen Adsorption and dissociation on Iron and Iron Carbide Surfaces Using the ReaxFF Reactive Force Field Method  

SciTech Connect

We have developed a ReaxFF reactive force field to describe hydrogen adsorption and dissociation on iron and iron carbide surfaces relevant for simulation of Fischer–Tropsch (FT) synthesis on iron catalysts. This force field enables large system (>>1000 atoms) simulations of hydrogen related reactions with iron. The ReaxFF force field parameters are trained against a substantial amount of structural and energetic data including the equations of state and heats of formation of iron and iron carbide related materials, as well as hydrogen interaction with iron surfaces and different phases of bulk iron. We have validated the accuracy and applicability of ReaxFF force field by carrying out molecular dynamics simulations of hydrogen adsorption, dissociation and recombination on iron and iron carbide surfaces. The barriers and reaction energies for molecular dissociation on these two types of surfaces have been compared and the effect of subsurface carbon on hydrogen interaction with iron surface is evaluated. We found that existence of carbon atoms at subsurface iron sites tends to increase the hydrogen dissociation energy barrier on the surface, and also makes the corresponding hydrogen dissociative state relatively more stable compared to that on bare iron. These properties of iron carbide will affect the dissociation rate of H{sub 2} and will retain more surface hydride species, thus influencing the dynamics of the FT synthesis process.

Zou, Chenyu; van Duin, Adri C.T.; Sorescu, Dan C.

2012-06-01T23:59:59.000Z

238

Iron aluminide alloy coatings and joints, and methods of forming  

DOE Patents (OSTI)

Disclosed is a method of joining two bodies together, at least one of the bodies being predominantly composed of metal, the two bodies each having a respective joint surface for joining with the joint surface of the other body, the two bodies having a respective melting point, includes the following steps: (a) providing aluminum metal and iron metal on at least one of the joint surfaces of the two bodies; (b) after providing the aluminum metal and iron metal on the one joint surface, positioning the joint surfaces of the two bodies in juxtaposition against one another with the aluminum and iron positioned therebetween; (c) heating the aluminum and iron on the juxtaposed bodies to a temperature from greater than or equal to 600 C to less than the melting point of the lower melting point body; (d) applying pressure on the juxtaposed surfaces; and (e) maintaining the pressure and the temperature for a time period effective to form the aluminum and iron into an iron aluminide alloy joint which bonds the juxtaposed surfaces and correspondingly the two bodies together. The method can also effectively be used to coat a body with an iron aluminide coating.

Wright, R.N.; Wright, J.K.; Moore, G.A.

1994-09-27T23:59:59.000Z

239

Iron aluminide alloy coatings and joints, and methods of forming  

DOE Patents (OSTI)

A method of joining two bodies together, at least one of the bodies being predominantly composed of metal, the two bodies each having a respective joint surface for joining with the joint surface of the other body, the two bodies having a respective melting point, includes the following steps: a) providing aluminum metal and iron metal on at least one of the joint surfaces of the two bodies; b) after providing the aluminum metal and iron metal on the one joint surface, positioning the joint surfaces of the two bodies in juxtaposition against one another with the aluminum and iron positioned therebetween; c) heating the aluminum and iron on the juxtaposed bodies to a temperature from greater than or equal to 600.degree. C. to less than the melting point of the lower melting point body; d) applying pressure on the juxtaposed surfaces; and e) maintaining the pressure and the temperature for a time period effective to form the aluminum and iron into an iron aluminide alloy joint which bonds the juxtaposed surfaces and correspondingly the two bodies together. The method can also effectively be used to coat a body with an iron aluminide coating.

Wright, Richard N. (Idaho Falls, ID); Wright, Julie K. (Idaho Falls, ID); Moore, Glenn A. (Idaho Falls, ID)

1994-01-01T23:59:59.000Z

240

TECHNOLOGY DEVELOPMENT FOR IRON AND COBALT FISCHER-TROPSCH CATALYSTS  

DOE Green Energy (OSTI)

The impact of activation procedure on the phase composition of precipitated iron Fischer-Tropsch (FT) catalysts has been studied. Catalyst samples taken during activation and FT synthesis have been characterized by Moessbauer spectroscopy. Formation of iron carbide is necessary for high FT activity. Hydrogen activation of precipitated iron catalysts results in reduction to predominantly metallic iron and Fe{sub 3}O{sub 4}. Metallic iron is not stable under FT 3 4 conditions and is rapidly converted to {epsilon}{prime}-Fe{sub 2.2}C. Activation with carbon monoxide or syngas 2.2 with low hydrogen partial pressure reduces catalysts to {chi}-Fe{sub 5}C{sub 2} and a small amount of 5 2 superparamagnetic carbide. Exposure to FT conditions partially oxidizes iron carbide to Fe{sub 3}O{sub 4}; however, catalysts promoted with potassium or potassium and copper maintain a constant carbide content and activity after the initial oxidation. An unpromoted iron catalyst which was activated with carbon monoxide to produce 94% {chi}-Fe{sub 5}C{sub 2}, deactivated rapidly as the carbide was oxidized to Fe{sub 3}O{sub 4}. No difference in activity, stability or deactivation rate was found for {chi}-Fe{sub 5}C{sub 2} and {epsilon}{prime}-Fe{sub 2.2}C.

Burtron H. Davis

1999-04-30T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Iron-carbon compacts and process for making them  

DOE Patents (OSTI)

The present invention includes iron-carbon compacts and a process for making them. The process includes preparing a slurry comprising iron powder, furfuryl alcohol, and a polymerization catalyst for initiating the polymerization of the furfuryl alcohol into a resin, and heating the slurry to convert the alcohol into the resin. The resulting mixture is pressed into a green body and heated to form the iron-carbon compact. The compact can be used as, or machined into, a magnetic flux concentrator for an induction heating apparatus.

Sheinberg, Haskell (Santa Fe, NM)

2000-01-01T23:59:59.000Z

242

Third (March 2006) Coring and Analysis of Zero-Valent Iron Permeable Reactive Barrier, Monticello, Utah  

Energy.gov (U.S. Department of Energy (DOE))

Third (March 2006) Coring and Analysis of Zero-Valent Iron Permeable Reactive Barrier, Monticello, Utah

243

Dispersivity Testing of Zero-Valent Iron Treatment Cells: Monticello, Utah, November 2005 Through February 2008  

Energy.gov (U.S. Department of Energy (DOE))

Dispersivity Testing of Zero-Valent Iron Treatment Cells: Monticello, Utah, November 2005 Through February 2008

244

Champion Heights, Ohio: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

288128°, -80.848759° 288128°, -80.848759° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":41.288128,"lon":-80.848759,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

245

champion h. mathewson, leadership, institute of metals/robert frankl ...  

Science Conference Proceedings (OSTI)

Procedures: June thru September, this award committee will review nominations and make selections. The committee may propose one candidate each year for ...

246

Arizona Baseball College World Series Champions 2012 Modern Streetcar at  

E-Print Network (OSTI)

................................................................................................................... 3 Building Renewal Formula/Application Allocation................................................................. 5 Action Plan to Address Deferred Maintenance in FY 2013 CAPITAL ALLOCATIONS FOR FY 2012 AND FY 2013 Main Campus AHSC Total Budgeted Sources of Funds FY12 FY13 FY

Utzinger, Urs

247

Agenda 2013 Special ISM Champions Workshop on Activity-level...  

NLE Websites -- All DOE Office Websites (Extended Search)

Safety Board 10:40 am - 11:00 am Break Status of Actions identified in November 30, 2012, DOE Letter to the DNFSB 11:00 am - 11:25 am Action 1b: Analysis of WP&C Deficiencies...

248

Diamondoids Improve Electron Emitters  

NLE Websites -- All DOE Office Websites (Extended Search)

Diamondoids Improve Electron Emitters Diamondoids Improve Electron Emitters Print Monday, 17 September 2012 12:02 Diamondoids are nanoparticles made of only a handful of carbon...

249

DEVELOPMENT OF PRECIPITATED IRON FISCHER-TROPSCH CATALYSTS  

SciTech Connect

Despite the current worldwide oil glut, the US will ultimately require large-scale production of liquid (transportation) fuels from coal. Slurry phase Fischer-Tropsch (F-T) technology, with its versatile product slate, may be expected to play a major role in production of transportation fuels via indirect coal liquefaction. Some of the F-T catalysts synthesized and tested at Texas A and M University under DOE Contract No. DE-AC22-89PC89868 were more active than any other known catalysts developed for maximizing production of high molecular weight hydrocarbons (waxes). The objectives of the present contract were to demonstrate repeatability of catalyst performance and reproducibility of preparation procedures of two of these catalysts on a laboratory scale. Improvements in the catalyst performance were attempted through the use of: (a) higher reaction pressure and gas space velocity to maximize the reactor productivity; (b) modifications in catalyst preparation steps; and (c) different pretreatment procedures. Repeatability of catalyst performance and reproducibility of catalyst synthesis procedure have been successfully demonstrated in stirred tank slurry reactor tests. Reactor space-time-yield was increased up to 48% by increasing reaction pressure from 1.48 MPa to 2.17 MPa, while maintaining the gas contact time and synthesis gas conversion at a constant value. Use of calcination temperatures above 300 C, additional CaO promoter, and/or potassium silicate as the source of potassium promoter, instead of potassium bicarbonate, did not result in improved catalyst performance. By using different catalyst activation procedures they were able to increase substantially the catalyst activity, while maintaining low methane and gaseous hydrocarbon selectivities. Catalyst productivity in runs SA-0946 and SA-2186 was 0.71 and 0.86 gHC/g-Fe/h, respectively, and this represents 45-75% improvement in productivity relative to that achieved in Rheinpreussen's demonstration plant unit (the most successful bubble column slurry reactor performance to date), and sets new standards of performance for ''high alpha'' iron catalysts.

Dr. Dragomir B. Bukur; Dr. X. Lang; Dr. S. Chokkaram; Dr. L. Nowicki; G. Wei; Dr. Y. Ding; Dr. B. Reddy; Dr. S. Xiao

1999-07-22T23:59:59.000Z

250

Percolation Explains How Earth's Iron Core Formed | Stanford Synchrotron  

NLE Websites -- All DOE Office Websites (Extended Search)

Percolation Explains How Earth's Iron Core Formed Percolation Explains How Earth's Iron Core Formed Wednesday, November 27, 2013 The formation of Earth's metallic core, which makes up a third of our planet's mass, represents the most significant differentiation event in Earth's history. Earth's present layered structure with a metallic core and an overlying silicate mantle would have required mechanisms to separate iron alloy from a silicate phase. Percolation of liquid iron alloy moving through a solid silicate matrix (much as water percolates through porous rock, or even coffee grinds) has been proposed as a possible model for core formation (Figure 1). Many previous experimental results have ruled out percolation as a major core formation mechanism for Earth at the relatively lower pressure conditions in the upper mantle, but until now experimental

251

Regenerable Mixed Copper-Iron-Inert Support Oxygen Carriers  

NLE Websites -- All DOE Office Websites (Extended Search)

Mixed Copper-Iron-Inert Support Oxygen Carriers Mixed Copper-Iron-Inert Support Oxygen Carriers for Solid Fuel Chemical Looping Combustion Process Contact NETL Technology Transfer Group techtransfer@netl.doe.gov December 2012 This patent-pending technology, "Regenerable Mixed Copper-Iron-Inert Support Oxygen Carriers for Solid Fuel Chemical Looping Combustion Process," provides a metal-oxide oxygen carrier for application in fuel combustion processes that use oxygen. This technology is available for licensing and/or further collaborative research with the U.S. Department of Energy's National Energy Technology Laboratory. Overview Patent Details U.S. Non-Provisional Patent Application No. 13/159,553; titled "Regenerable Mixed Copper-Iron-Inert Support Oxygen Carriers for Solid

252

Open Ocean Iron Fertilization for Scientific Study and Carbon Sequestration  

NLE Websites -- All DOE Office Websites (Extended Search)

Ocean Iron Fertilization for Scientific Study and Carbon Sequestration Ocean Iron Fertilization for Scientific Study and Carbon Sequestration K. Coale coale@mlml.calstate.edu (831) 632-4400 Moss Landing Marine Laboratories 8272 Moss Landing Road Moss Landing, California 95039 USA Abstract The trace element iron has been recently shown to play a critical role in nutrient utilization, phytoplankton growth and therefore the uptake of carbon dioxide from the surface waters of the global ocean. Carbon fixation in the surface waters, via phytoplankton growth, shifts the ocean/atmosphere exchange equilibrium for carbon dioxide. As a result, levels of atmospheric carbon dioxide (a greenhouse gas) and iron flux to the oceans have been linked to climate change (glacial to interglacial transitions). These recent findings have led some to suggest that large scale

253

DOE - Office of Legacy Management -- Knoxville Iron Co - TN 07  

Office of Legacy Management (LM)

Knoxville Iron Co - TN 07 Knoxville Iron Co - TN 07 FUSRAP Considered Sites Site: KNOXVILLE IRON CO. (TN.07 ) Eliminated from consideration under FUSRAP Designated Name: Not Designated Alternate Name: None Location: Knoxville , Tennessee TN.07-1 Evaluation Year: 1994 TN.07-2 TN.07-3 Site Operations: Melted uranium contaminated scrap metal in order to test industrial hygiene procedures in the mid-1950s. TN.07-1 Site Disposition: Eliminated - AEC license TN.07-2 Radioactive Materials Handled: Yes Primary Radioactive Materials Handled: Limited Quantities of Uranium Contained in Slag Material TN.07-4 Radiological Survey(s): Yes - health and safety monitoring during operations only TN.07-4 Site Status: Eliminated from consideration under FUSRAP Also see Documents Related to KNOXVILLE IRON CO.

254

The Iron Spin Transition in the Earth's Lower Mantle  

NLE Websites -- All DOE Office Websites (Extended Search)

The Iron Spin Transition in the The Iron Spin Transition in the Earth's Lower Mantle The Iron Spin Transition in the Earth's Lower Mantle Print Wednesday, 30 April 2008 00:00 It is now known that the iron present in minerals of the lower mantle of the Earth undergoes a pressure-induced transition with pairing of the spins of its 3d electrons. A team from the University of California, Berkeley, Tel Aviv University, and Lawrence Livermore National Laboratory has used x-ray diffraction at very high pressure to investigate the effects of this transition on the elastic properties of magnesiowüstite (Mg1-xFex)O, the second most abundant mineral in the Earth's lower mantle. The new results suggest that the effect of the spin-pairing transition on magnesiowüstite can be large enough to require a partial revision of the most accepted model of the lower mantle composition.

255

Arsenic Removal from Groundwater Using Iron Electrocoagulation: Effect of  

NLE Websites -- All DOE Office Websites (Extended Search)

Arsenic Removal from Groundwater Using Iron Electrocoagulation: Effect of Arsenic Removal from Groundwater Using Iron Electrocoagulation: Effect of Charge Dosage Rate Title Arsenic Removal from Groundwater Using Iron Electrocoagulation: Effect of Charge Dosage Rate Publication Type Journal Article Refereed Designation Refereed LBNL Report Number LBNL-6221E Year of Publication 2013 Authors Amrose, Susan, Ashok J. Gadgil, Venkat Srinivasan, Kristin Kowolik, Marc Muller, Jessica Huang, and Robert Kostecki Journal Joournal of Environmental Science and Health, Part A: Toxic/Hazardous Substances and Environmental Engineering Volume 48 Issue 9 Pagination 1019-1030 Date Published 04/2013 Keywords arsenic, bangladesh, Cambodia, dosage rate, electrocoagulation, india, water treatment Abstract We demonstrate that electrocoagulation (EC) using iron electrodes can reduce arsenic below 10 μg/L in synthetic Bangladesh groundwater and in real groundwater from Bangladesh and Cambodia while investigating the effect of operating parameters that are often overlooked, such as charge dosage rate. We measure arsenic removal performance

256

Method and system for producing metallic iron nuggets  

Science Conference Proceedings (OSTI)

A method and system for producing metallic iron nuggets may include providing multiple layers of agglomerates, such as briquettes, balls and extrusions, of a reducible mixture of reducing material (such as carbonaceous material) and of a reducible iron bearing material (such as iron oxide) on a hearth material layer (such as carbonaceous material) and providing a coarse overlayer of carbonaceous material over at least some of the agglomerates. Heating the agglomerates of reducible mixture to 1425.degree. C. or 1400.degree. C. or 1375.degree. C. results in formation of an intermediate product of one or more metallic iron nuggets, which may have a sulfur content of less than 0.03%, and slag, which may have less than 5% mass MgO, which may have a ratio of percent by weight sulfur in the slag over percent by weight sulfur in the metallic nuggets of at least about 12 or at least about 15.

Iwasaki, Iwao; Kiesel, Richard F.; Englund, David J; Hendrickson, Dave

2012-12-18T23:59:59.000Z

257

Iron-oxide catalyzed silicon photoanode for water splitting  

E-Print Network (OSTI)

This thesis presents an integrated study of high efficiency photoanodes for water splitting using silicon and iron-oxide. The fundamental limitations of silicon to water splitting applications were overcome by an ultrathin ...

Jun, Kimin

2011-01-01T23:59:59.000Z

258

The relationship between iron and nitrogen fixation in Trichodesmium spp.  

E-Print Network (OSTI)

Trichodesmium spp. are considered the dominant nitrogen (N) fixing cyanobacteria in tropical and subtropical oceans, regimes frequently characterized by low iron (Fe). Limited information exists about what levels of Fe ...

Chappell, Phoebe Dreux

2009-01-01T23:59:59.000Z

259

A BP neural network predictor model for desulfurizing molten iron  

Science Conference Proceedings (OSTI)

Desulfurization of molten iron is one of the stages of steel production process. A back-propagation (BP) artificial neural network (ANN) model is developed to predict the operation parameters for desulfurization process in this paper. The primary objective ...

Zhijun Rong; Binbin Dan; Jiangang Yi

2005-07-01T23:59:59.000Z

260

Stability and Reactivity of Iron Sulfide Films in Sour Environments  

Science Conference Proceedings (OSTI)

Abstract Scope, Iron sulfide scales form on steels in the presence of H2S, notably in the extreme environments that exist in the oil and gas fields. Our research ...

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Verification of Steelmaking Slags Iron Content Final Technical Progress Report  

Science Conference Proceedings (OSTI)

The steel industry in the United States generates about 30 million tons of by-products each year, including 6 million tons of desulfurization and BOF/BOP slag. The recycling of BF (blast furnace) slag has made significant progress in past years with much of the material being utilized as construction aggregate and in cementitious applications. However, the recycling of desulfurization and BOF/BOP slags still faces many technical, economic, and environmental challenges. Previous efforts have focused on in-plant recycling of the by-products, achieving only limited success. As a result, large amounts of by-products of various qualities have been stockpiled at steel mills or disposed into landfills. After more than 50 years of stockpiling and landfilling, available mill site space has diminished and environmental constraints have increased. The prospect of conventionally landfilling of the material is a high cost option, a waste of true national resources, and an eternal material liability issue. The research effort has demonstrated that major inroads have been made in establishing the viability of recycling and reuse of the steelmaking slags. The research identified key components in the slags, developed technologies to separate the iron units and produce marketable products from the separation processes. Three products are generated from the technology developed in this research, including a high grade iron product containing about 90%Fe, a medium grade iron product containing about 60% Fe, and a low grade iron product containing less than 10% Fe. The high grade iron product contains primarily metallic iron and can be marketed as a replacement of pig iron or DRI (Direct Reduced Iron) for steel mills. The medium grade iron product contains both iron oxide and metallic iron and can be utilized as a substitute for the iron ore in the blast furnace. The low grade iron product is rich in calcium, magnesium and iron oxides and silicates. It has a sufficient lime value and can be utilized for acid mine drainage treatment. Economic analysis from this research demonstrates that the results are favorable. The strong demand and the increase of price of the DRI and pig iron in recent years are particularly beneficial to the economics. The favorable economics has brought commercial interests. ICAN Global has obtained license agreement on the technology from Michigan Tech. This right was later transferred to the Westwood Land, Inc. A demonstration pilot plant is under construction to evaluate the technology. Steel industry will benefit from the new supply of the iron units once the commercial plants are constructed. Environmental benefits to the public and the steel industry will be tremendous. Not only the old piles of the slag will be removed, but also the federal responsible abandoned mines from the old mining activities can be remediated with the favorable product generated from the process. Cost can be reduced and there will be no lime required, which can avoid the release of carbon dioxide from lime production process.

J.Y. Hwang

2006-10-04T23:59:59.000Z

262

Synthesis of Monolithic Iron Incorporated Silica Aerogels by Ambient ...  

Science Conference Proceedings (OSTI)

With the Fe to Si molar ratio not exceeding 0.10, the bulk density of iron incorporated silica aerogels increased to 0.55g/cm3, while the porosity reduced to 76% ...

263

Process for removing technetium from iron and other metals  

DOE Patents (OSTI)

A process for removing technetium from iron and other metals comprises the steps of converting the molten, alloyed technetium to a sulfide dissolved in manganese sulfide, and removing the sulfide from the molten metal as a slag. 4 figs.

Leitnaker, J.M.; Trowbridge, L.D.

1999-03-23T23:59:59.000Z

264

Process for removing technetium from iron and other metals  

DOE Patents (OSTI)

A process for removing technetium from iron and other metals comprises the steps of converting the molten, alloyed technetium to a sulfide dissolved in manganese sulfide, and removing the sulfide from the molten metal as a slag.

Leitnaker, James M. (Kingston, TN); Trowbridge, Lee D. (Oak Ridge, TN)

1999-01-01T23:59:59.000Z

265

Iron Cycling and Redox Evolution in the Precambrian  

E-Print Network (OSTI)

from neodymium isotopes. Journal of Geology 105, 121-129.iron isotope fractionation in nature. Geology 29, 699-702.from neodymium isotopes. Journal of Geology 105, 121-129.

Planavsky, Noah John

2012-01-01T23:59:59.000Z

266

Automatic control in the iron and steel industry  

Science Conference Proceedings (OSTI)

Basic iron and steel production processes, starting in the blast furnace and followed by steelmaking and rolling procedures, have not been altered greatly, although there have been modifying developments in individual processes, such as a basic oxygen ...

T. Isobe

1970-01-01T23:59:59.000Z

267

Energy intensity in China's iron and steel sector  

E-Print Network (OSTI)

In this study, I examine the spatial and economic factors that influence energy intensity in China's iron and steel sector, namely industrial value added, renovation investment, coke consumption, and local coke supply. ...

Xu, Jingsi, M.C.P. Massachusetts Institute of Technology

2011-01-01T23:59:59.000Z

268

Polymer-coated iron oxide nanoparticles for medical imaging  

E-Print Network (OSTI)

One of the most versatile and safe materials used in medicine are polymer-coated iron oxide nanoparticles. This dissertation describes several formulations for in vivo imaging applications. The paramagnetic polymer-coated ...

Chen, Suelin, Ph.D. Massachusetts Institute of Technology

2010-01-01T23:59:59.000Z

269

Production of Molybdenum Containing Iron Based Alloys via ...  

Science Conference Proceedings (OSTI)

Chemical Enrichment of Precious Metals in Iron Sulfides Using Microwave Energy · Chloridizing ... Co-Gasification Behavior of Metallurgical Coke with High and Low Reactivity .... Thermal Plasma Torches for Metallurgical Applications.

270

Reduction and Separation of High Iron Content Manganese Ore and ...  

Science Conference Proceedings (OSTI)

Chemical Enrichment of Precious Metals in Iron Sulfides Using Microwave Energy · Chloridizing ... Co-Gasification Behavior of Metallurgical Coke with High and Low Reactivity .... Thermal Plasma Torches for Metallurgical Applications.

271

CFD Model Development for Gaseous Reduction of Iron Ore Fines ...  

Science Conference Proceedings (OSTI)

Chemical Enrichment of Precious Metals in Iron Sulfides Using Microwave Energy · Chloridizing ... Co-Gasification Behavior of Metallurgical Coke with High and Low Reactivity .... Thermal Plasma Torches for Metallurgical Applications.

272

NOx Reduction by Sintering Flue Gas Circulation for Iron Ores  

Science Conference Proceedings (OSTI)

Chemical Enrichment of Precious Metals in Iron Sulfides Using Microwave Energy · Chloridizing ... Co-Gasification Behavior of Metallurgical Coke with High and Low Reactivity .... Thermal Plasma Torches for Metallurgical Applications.

273

LANSCE | Lujan Center | Highlights | Local iron displacements and  

NLE Websites -- All DOE Office Websites (Extended Search)

Local iron displacements and magnetoelastic coupling in a spin-ladder Local iron displacements and magnetoelastic coupling in a spin-ladder compound Hypothesis: Is magnetoelastic coupling in [FeX4]-based materials, an important ingredient in the emergence of superconductivity? Lujan Center: Combined Total Scattering and magnetic structure determination (HIPD-NPDF) The study of local, average and magnetic structure shows the existenceof highly correlated local iron (Fe) displacements in the spin-ladder iron chalcogenide BaFe2Se3. Built of ferromagnetic [Fe4] plaquettes, the magnetic ground state correlates with local displacements of the Fe atoms. Knowledge of these local displacements is essential for properly understanding the electronic structure of these systems. As with the copper oxide superconductors two decades ago, these

274

Spectroscopic Equilibrium of Iron in Metal-Rich Dwarfs  

E-Print Network (OSTI)

We analyze twenty five nearby metal-rich G and late-F dwarfs in order to verify whether the spectroscopic equilibrium (LTE) of iron lines satisfy the observational constraints imposed by the Infrared Flux Method (angular diameters) and Hipparcos parallaxes. The atmospheric parameters derived from iron lines (assuming LTE and employing 1D Kurucz model atmospheres) do not satisfy simultaneously both observational constraints, probably because classical modeling fails to reproduce the detailed line formation of FeI lines.

Jorge Melendez; Ivan Ramirez

2004-09-14T23:59:59.000Z

275

In Situ Iron Oxide Emplacement for Groundwater Arsenic Remediation  

E-Print Network (OSTI)

Iron oxide-bearing minerals have long been recognized as an effective reactive media for arsenic-contaminated groundwater remediation. This research aimed to develop a technique that could facilitate in situ oxidative precipitation of Fe3+ in a soil (sand) media for generating a subsurface iron oxide-based reactive barrier that could immobilize arsenic (As) and other dissolved metals in groundwater. A simple in situ arsenic treatment process was successfully developed for treating contaminated rural groundwater using iron oxide-coated sand (IOCS). Using imbibition flow, the system facilitated the dispersive transport of ferrous iron (Fe2+) and oxidant solutions in porous sand to generate an overlaying blanket where the Fe2+ was oxidized and precipitated onto the surface as ferric oxide. The iron oxide (FeOx) emplacement process was significantly affected by (1) the initial surface area and surface-bound iron content of the sand, (2) the pH and solubility of the coating reagents, (3) the stability of the oxidant solution, and (4) the chemical injection schedule. In contrast to conventional excavate-and-fill treatment technologies, this technique could be used to in situ replace a fresh iron oxide blanket on the sand and rejuvenate its treatment capacity for additional arsenic removal. Several bench-scale experiments revealed that the resultant IOCS could treat arsenic-laden groundwater for extended periods of time before approaching its effective life cycle. The adsorption capacity for As(III) and As(V) was influenced by (1) the amount of iron oxide accumulated on the sand surface, (2) the system pH, and (3) competition for adsorption sites from other groundwater constituents such as silicon (Si) and total dissolved solids (TDS). Although the IOCS could be replenished several times before exhaustion, the life cycle of the FeOx reactive barrier may be limited by the gradual loss of hydraulic conductivity induced by the imminent reduction of pore space over time.

Abia, Thomas Sunday

2011-12-01T23:59:59.000Z

276

Morphological development of oxide-sulfide scales on iron and iron-manganese alloys  

Science Conference Proceedings (OSTI)

Pure iron and alloys containing 2, 15, 25, and 50 wt.% manganese have been reacted at 1073 K in controlled gas atmospheres of SO/sub 2/-CO/sub 2/-CO-N/sub 2/. Equilibrium gas compositions were such that (1) FeS was stable but not FeO, or (2) both FeS and FeO were stable, or (3) FeO was stable but not FeS; in all cases, both MnS and MnO were stable. Under all reaction conditions, pure iron corroded to produce both sulfide and oxide. The resultant scale morphologies were consistent with local solid-gas equilibrium for the case in which both oxide and sulfide were stable but in the other cases indicated that equilibrium was not achieved and that direct reaction with SO/sub 2/(g) was responsible for corrosion. Additions of manganese did not greatly alter the scale morphologies. Under reaction conditions that were oxidizing and sulfidizing, very high levels of manganese were required to reduce the corrosion rate. On the other hand, relatively low levels had a beneficial effect both when FeO but not FeS was thermodynamically stable and similarly when FeS but not FeO was stable.

McAdam, G.; Young, D.J.

1987-10-01T23:59:59.000Z

277

Improving Relocatable Classroom HVAC For Improved IEQ And Energy...  

NLE Websites -- All DOE Office Websites (Extended Search)

Improving Relocatable Classroom HVAC For Improved IEQ And Energy Efficiency Title Improving Relocatable Classroom HVAC For Improved IEQ And Energy Efficiency Publication Type...

278

Microstructural Characterization of Nodular Ductile Iron  

SciTech Connect

The objective of this study is to quantify the graphite particle phase in nodular ductile iron (NDI). This study provides the basis for initializing microstructure in direct numerical simulations, as part of developing microstructure-fracture response models. The work presented here is a subset of a PhD dissertation on spall fracture in NDI. NDI is an ideal material for studying the influence of microstructure on ductile fracture because it contains a readily identifiable second-phase particle population, embedded in a ductile metallic matrix, which serves as primary void nucleation sites. Nucleated voids grow and coalesce under continued tensile loading, as part of the micromechanisms of ductile fracture, and lead to macroscopic failure. For this study, we used 2D optical microscopy and quantitative metallography relationships to characterize the volume fraction, size distribution, nearest-neighbor distance, and other higher-order metrics of the graphite particle phase. We found that the volume fraction was {Phi} = 0.115, the average particle diameter was d{sub avg} = 25.9 {mu}m, the Weibull shape and scaling parameters were {beta} = 1.8 and {eta} = 29.1 {mu}m, respectively, the (first) nearest neighbor distance was L{sub nn} = 32.4 {mu}m, the exponential coefficients for volume fraction fluctuations was A{sub {Phi}} = 1.89 and B{sub {Phi}} = -0.59, respectively. Based on reaching a coefficient-of-variation (COV) of 0.01, the representative volume element (RVE) size was determined to be 8.9L{sub nn} (288 {mu}m).

Springer, H K

2012-01-03T23:59:59.000Z

279

ATTRITION RESISTANT IRON-BASED FISCHER-TROPSCH CATALYSTS  

DOE Green Energy (OSTI)

The Fischer-Tropsch (F-T) reaction provides a way of converting coal-derived synthesis gas (CO+H{sub 2}) to liquid fuels. Since the reaction is highly exothermic, one of the major problems in control of the reaction is heat removal. Recent work has shown that the use of slurry bubble column reactors (SBCRs) can largely solve this problem. Iron-based (Fe) catalysts are preferred catalysts for F-T when using low CO/H2 ratio synthesis gases derived from modern coal gasifiers. This is because in addition to reasonable F-T activity, the F-T catalysts also possess high water gas shift (WGS) activity. However, a serious problem with the use of Fe catalysts in a SBCR is their tendency to undergo attrition. This can cause fouling/plugging of downstream filters and equipment, making the separation of catalyst from the oil/wax product very difficult if not impossible, and results in a steady loss of catalyst from the reactor. The objectives of this research are to develop a better understanding of the parameters affecting attrition resistance of Fe F-T catalysts suitable for use in SBCRs and to incorporate this understanding into the design of novel Fe catalysts having superior attrition resistance. Catalyst preparations will be based on the use of spray drying and will be scalable using commercially available equipment. The research will employ among other measurements, attrition testing and F-T synthesis, including long duration slurry reactor runs in order to ascertain the degree of success of the various preparations. The goal is to develop an Fe catalyst which can be used in a SBCR having only an internal filter for separation of the catalyst from the liquid product, without sacrificing F-T activity and selectivity. The effect of silica addition via coprecipitation and as a binder to a doubly promoted Fischer-Tropsch synthesis iron catalyst (100 Fe/5 Cu/4.2 K) was studied. The catalysts were prepared by coprecipitation, followed by binder addition and drying in a 1 m diameter, 2 m tall spray dryer. The binder silica content was varied from 0 to 20 wt %. A catalyst with 12 wt % binder silica was found to have the highest attrition resistance. F-T reaction studies over 100 hours in a fixed-bed reactor showed that this catalyst maintained around 95 % CO conversion with a methane selectivity of less than 7 wt % and a C5 + selectivity of greater than 73 wt %. The effect of adding precipitated silica from 0 to 20 parts by weight to this catalyst (containing 12 wt % binder silica) was also studied. Addition of precipitated silica was found to be detrimental to attrition resistance and resulted in increased methane and reduced wax formation. An HPR series of proprietary catalysts was prepared to further improve the attrition resistance. Based on the experience gained, a proprietary HPR-43 catalyst has been successfully spray dried in 500 g quantity. This catalyst showed 95 % CO conversion over 125 h and had less than 4 % methane selectivity. Its attrition resistance was one of the highest among the catalyst tested.

James G. Goodwin, Jr.; James J. Spivey; K. Jothimurugesan; Santosh K. Gangwal

1999-03-29T23:59:59.000Z

280

Insights into the Structure and Metabolic Function of Microbes That Shape Pelagic Iron-Rich Aggregates ( Iron Snow )  

SciTech Connect

Metaproteomics combined with total nucleic acid-based methods aided in deciphering the roles of microorganisms in the formation and transformation of iron-rich macroscopic aggregates (iron snow) formed in the redoxcline of an acidic lignite mine lake. Iron snow had high total bacterial 16S rRNA gene copies, with 2 x 109 copies g (dry wt)-1 in the acidic (pH 3.5) central lake basin and 4 x 1010 copies g (dry wt)-1 in the less acidic (pH 5.5) northern lake basin. Active microbial communities in the central basin were dominated by Alphaproteobacteria (36.6%) and Actinobacteria (21.4%), and by Betaproteobacteria (36.2%) in the northern basin. Microbial Fe-cycling appeared to be the dominant metabolism in the schwertmannite-rich iron snow, because cloning and qPCR assigned up to 61% of active bacteria as Fe-cycling bacteria (FeB). Metaproteomics revealed 70 unique proteins from central basin iron snow and 283 unique proteins from 43 genera from northern basin. Protein identification provided a glimpse into in situ processes, such as primary production, motility, metabolism of acidophilic FeB, and survival strategies of neutrophilic FeB. Expression of carboxysome shell proteins and RubisCO indicated active CO2 fixation by Fe(II) oxidizers. Flagellar proteins from heterotrophs indicated their activity to reach and attach surfaces. Gas vesicle proteins related to CO2-fixing Chlorobium suggested that microbes could influence iron snow sinking. We suggest that iron snow formed by autotrophs in the redoxcline acts as a microbial parachute, since it is colonized by motile heterotrophs during sinking which start to dissolve schwertmannite.

Lu, S [Friedrich Schiller University Jena, Jena Germany; Chourey, Karuna [ORNL; REICHE, M [Friedrich Schiller University Jena, Jena Germany; Nietzsche, S [Friedrich Schiller University Jena, Jena Germany; Shah, Manesh B [ORNL; Hettich, Robert {Bob} L [ORNL; Kusel, K [Friedrich Schiller University Jena, Jena Germany

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

High-temperature corrosion behavior of iron-aluminide alloys and coatings  

DOE Green Energy (OSTI)

An Fe-28 at.% Al-2% Cr alloy doped with Y{sub 2}O{sub 3} showed improved scale adhesion relative to a dispersion-free form of the same composition. However, doping with CeO{sub 2} or La{sub 2}O{sub 3} was detrimental to oxidation behavior. A study of weld-overlay iron-aluminide coatings showed that, those with sufficiently high aluminum concentrations had sulfidation resistance in H{sub 2}S-H{sub 2}-H{sub 2}O-Ar at 800 C equivalent to the most resistant bulk iron aluminides. These corrosion-resistant coatings have the potential to be effective barriers in high-temperature sulfidizing environments provided the appropriate combinations of filler metal, process parameters, and substrate are used to produce adequate aluminum concentrations and minimal chromium contents. Exposures in an oxidizing/sulfidizing environment containing varying amounts of HCI at 450 and 550 C showed that Fe{sub 3}Al alloys had good corrosion resistance.

Tortorelli, P.F.; DeVan, J.H.; Pint, B.A.; Wright, I.G. [Oak Ridge National Lab., TN (United States); Saunders, S.R.J. [National Physical Lab., Teddington (United Kingdom)

1995-07-01T23:59:59.000Z

282

Mechanical Characterization of Nodular Ductile Iron  

SciTech Connect

The objective of this study is to characterize the strength and fracture response of nodular ductile iron (NDI) and its underlying ferritic matrix phase. Quasistatic and split Hopkinson pressure bar (SHPB) compression tests were performed on NDI and a model material for the NDI matrix phase (Fe-Si alloy). Smooth and notch round bar (NRB) samples were loaded in tension until fracture to determine strain-at-failure with varying stress triaxiality. Multiple tests were performed on each small and large smooth bar samples to obtain fracture statistics with sample size. Fracture statistics are important for initializing simulations of fragmentation events. Johnson-Cook strength models were developed for the NDI and the Fe-Si alloy. NDI strength model parameters are: A = 525 MPa, B = 650 MPa, n = 0.6, and C = 0.0205. The average SHPB experimental strain-rate of 2312/s was used for the reference strain-rate in this model. Fe-Si alloy strength model parameters are: A=560 MPa, B = 625 MPa, n = 0.5, and C = 0.02. The average SHPB experimental strain-rate of 2850/s was used for the reference strain-rate in this model. A Johnson-Cook failure model was developed for NDI with model parameters: D{sub 1} = 0.029, D{sub 2} = 0.44, D{sub 3} = -1.5, and D{sub 4} = D{sub 5} = 0. An exponential relationship was developed for the elongation-at-failure statistics as a function of length-scale with model parameters: S{sub f1} = 0.108, S{sub f2} = -0.00169, and L{sub m} = 32.4 {mu}m. NDI strength and failure models, including failure statistics, will be used in continuum-scale simulations of explosively-driven ring fragmentation. The Fe-Si alloy strength model will be used in mesoscale simulations of spall fracture in NDI, where the NDI matrix phase is captured explicitly.

Springer, H K

2012-01-03T23:59:59.000Z

283

Pressurized chemical-looping combustion of coal with an iron ore-based oxygen carrier  

Science Conference Proceedings (OSTI)

Chemical-looping combustion (CLC) is a new combustion technology with inherent separation of CO{sub 2}. Most of the previous investigations on CLC of solid fuels were conducted under atmospheric pressure. A pressurized CLC combined cycle (PCLC-CC) system is proposed as a promising coal combustion technology with potential higher system efficiency, higher fuel conversion, and lower cost for CO{sub 2} sequestration. In this study pressurized CLC of coal with Companhia Valedo Rio Doce (CVRD) iron ore was investigated in a laboratory fixed bed reactor. CVRD iron ore particles were exposed alternately to reduction by 0.4 g of Chinese Xuzhou bituminous coal gasified with 87.2% steam/N{sub 2} mixture and oxidation with 5% O{sub 2} in N{sub 2} at 970 C. The operating pressure was varied between 0.1 MPa and 0.6 MPa. First, control experiments of steam coal gasification over quartz sand were performed. H{sub 2} and CO{sub 2} are the major components of the gasification products, and the operating pressure influences the gas composition. Higher concentrations of CO{sub 2} and lower fractions of CO, CH{sub 4}, and H{sub 2} during the reduction process with CVRD iron ore was achieved under higher pressures. The effects of pressure on the coal gasification rate in the presence of the oxygen carrier were different for pyrolysis and char gasification. The pressurized condition suppresses the initial coal pyrolysis process while it also enhances coal char gasification and reduction with iron ore in steam, and thus improves the overall reaction rate of CLC. The oxidation rates and variation of oxygen carrier conversion are higher at elevated pressures reflecting higher reduction level in the previous reduction period. Scanning electron microscope and energy-dispersive X-ray spectroscopy (SEM-EDX) analyses show that particles become porous after experiments but maintain structure and size after several cycles. Agglomeration was not observed in this study. An EDX analysis demonstrates that there is very little coal ash deposited on the oxygen carrier particles but no appreciable crystalline phases change as verified by X-ray diffraction (XRD) analysis. Overall, the limited pressurized CLC experiments carried out in the present work suggest that PCLC of coal is promising and further investigations are necessary. (author)

Xiao, Rui; Song, Min; Zhang, Shuai; Shen, Laihong [School of Energy and Environment, Southeast University, Sipailou No. 2, Nanjing 210096 (China); Song, Qilei [School of Energy and Environment, Southeast University, Sipailou No. 2, Nanjing 210096 (China); Department of Chemical Engineering and Biotechnology, University of Cambridge, Pembroke Street, Cambridge CB2 3RA (United Kingdom); Lu, Zuoji [School of Energy and Environment, Southeast University, Sipailou No. 2, Nanjing 210096 (China); GCL Engineering Limited, Zhujiang No. 1, Nanjing 210008 (China)

2010-06-15T23:59:59.000Z

284

The Iron Spin Transition in the Earth's Lower Mantle  

NLE Websites -- All DOE Office Websites (Extended Search)

The Iron Spin Transition in the Earth's Lower Mantle Print The Iron Spin Transition in the Earth's Lower Mantle Print It is now known that the iron present in minerals of the lower mantle of the Earth undergoes a pressure-induced transition with pairing of the spins of its 3d electrons. A team from the University of California, Berkeley, Tel Aviv University, and Lawrence Livermore National Laboratory has used x-ray diffraction at very high pressure to investigate the effects of this transition on the elastic properties of magnesiowüstite (Mg1-xFex)O, the second most abundant mineral in the Earth's lower mantle. The new results suggest that the effect of the spin-pairing transition on magnesiowüstite can be large enough to require a partial revision of the most accepted model of the lower mantle composition.

285

The Iron Spin Transition in the Earth's Lower Mantle  

NLE Websites -- All DOE Office Websites (Extended Search)

The Iron Spin Transition in the Earth's Lower Mantle Print The Iron Spin Transition in the Earth's Lower Mantle Print It is now known that the iron present in minerals of the lower mantle of the Earth undergoes a pressure-induced transition with pairing of the spins of its 3d electrons. A team from the University of California, Berkeley, Tel Aviv University, and Lawrence Livermore National Laboratory has used x-ray diffraction at very high pressure to investigate the effects of this transition on the elastic properties of magnesiowüstite (Mg1-xFex)O, the second most abundant mineral in the Earth's lower mantle. The new results suggest that the effect of the spin-pairing transition on magnesiowüstite can be large enough to require a partial revision of the most accepted model of the lower mantle composition.

286

The Iron Spin Transition in the Earth's Lower Mantle  

NLE Websites -- All DOE Office Websites (Extended Search)

The Iron Spin Transition in the Earth's Lower Mantle Print The Iron Spin Transition in the Earth's Lower Mantle Print It is now known that the iron present in minerals of the lower mantle of the Earth undergoes a pressure-induced transition with pairing of the spins of its 3d electrons. A team from the University of California, Berkeley, Tel Aviv University, and Lawrence Livermore National Laboratory has used x-ray diffraction at very high pressure to investigate the effects of this transition on the elastic properties of magnesiowüstite (Mg1-xFex)O, the second most abundant mineral in the Earth's lower mantle. The new results suggest that the effect of the spin-pairing transition on magnesiowüstite can be large enough to require a partial revision of the most accepted model of the lower mantle composition.

287

Improved Perturbation Theory for Improved Lattice Actions  

E-Print Network (OSTI)

We study a systematic improvement of perturbation theory for gauge fields on the lattice; the improvement entails resumming, to all orders in the coupling constant, a dominant subclass of tadpole diagrams. This method, originally proposed for the Wilson gluon action, is extended here to encompass all possible gluon actions made of closed Wilson loops; any fermion action can be employed as well. The effect of resummation is to replace various parameters in the action (coupling constant, Symanzik coefficients, clover coefficient) by ``dressed'' values; the latter are solutions to certain coupled integral equations, which are easy to solve numerically. Some positive features of this method are: a) It is gauge invariant, b) it can be systematically applied to improve (to all orders) results obtained at any given order in perturbation theory, c) it does indeed absorb in the dressed parameters the bulk of tadpole contributions. Two different applications are presented: The additive renormalization of fermion masses, and the multiplicative renormalization Z_V (Z_A) of the vector (axial) current. In many cases where non-perturbative estimates of renormalization functions are also available for comparison, the agreement with improved perturbative results is significantly better as compared to results from bare perturbation theory.

M. Constantinou; H. Panagopoulos; A. Skouroupathis

2006-05-31T23:59:59.000Z

288

Influence of Iron Redox Transformations on Plutonium Sorption to Sediments  

SciTech Connect

Plutonium subsurface mobility is primarily controlled by its oxidation state, which in turn is loosely coupled to the oxidation state of iron in the system. Experiments were conducted to examine the effect of sediment iron mineral composition and oxidation state on plutonium sorption and oxidation state. A pH 6.3 vadose zone sediment containing iron oxides and iron-containing phyllosilicates was treated with various complexants (ammonium oxalate) and reductants (dithionite-citrate-bicarbonate) to selectively leach and/or reduce iron oxide and phyllosilicate phases. Mössbauer spectroscopy was used to identify initial iron mineral composition of the sediment and monitor dissolution and reduction of iron oxides. Sorption of Pu(V) was monitored over one week for each of six treated sediment fractions. Plutonium oxidation state speciation in the aqueous and solid phases was monitored using solvent extraction, coprecipitation, and XANES. Mössbauer spectroscopy showed that the sediment contained 25-30% hematite, 60-65% Al-goethite, and <10%Fe(III) in phyllosilicate; there was no detectable Fe(II). Upon reduction with a strong chemical reductant (dithionite-citrate buffer, DCB), much of the hematite and goethite disappeared and the Fe in the phyllosilicate reduced to Fe(II). The rate of sorption was found to correlate with the 1 fraction of Fe(II) remaining within each treated sediment phase. Pu(V) was the only oxidation state measured in the aqueous phase, irrespective of treatment, whereas Pu(IV) and much smaller amounts of Pu(V) and Pu(VI) were measured in the solid phase. Surface-mediated reduction of Pu(V) to Pu(IV) occurred in treated and untreated sediment samples; Pu(V) remained on untreated sediment surface for two days before reducing to Pu(IV). Similar to the sorption kinetics, the reduction rate was correlated with sediment Fe(II) concentration. The correlation between Fe(II) concentrations and Pu(V) reduction demonstrates the potential impact of changing iron mineralogy on plutonium subsurface transport through redox transition areas. These findings should influence the conceptual models of long-term stewardship of Pu contaminated sites that have fluctuating redox conditions, such as vadose zones or riparian zones.

Hixon, Amy E.; Hu, Yung-Jin; Kaplan, Daniel I.; Kukkadapu, Ravi K.; Nitsche, Heino; Qafoku, Odeta; Powell, Brian A.

2010-10-01T23:59:59.000Z

289

Recovery of iron oxide from coal fly ash  

DOE Patents (OSTI)

A high quality iron oxide concentrate, suitable as a feed for blast and electric reduction furnaces is recovered from pulverized coal fly ash. The magnetic portion of the fly ash is separated and treated with a hot strong alkali solution which dissolves most of the silica and alumina in the fly ash, leaving a solid residue and forming a precipitate which is an acid soluble salt of aluminosilicate hydrate. The residue and precipitate are then treated with a strong mineral acid to dissolve the precipitate leaving a solid residue containing at least 90 weight percent iron oxide.

Dobbins, Michael S. (Ames, IA); Murtha, Marlyn J. (Ames, IA)

1983-05-31T23:59:59.000Z

290

Electrolytic photodissociation of chemical compounds by iron oxide photochemical diodes  

DOE Patents (OSTI)

Chemical compounds can be dissociated by contacting the same with a p/n type semi-conductor photochemical diode having visible light as its sole source of energy. The photochemical diode consists of low cost, readily available materials, specifically polycrystalline iron oxide doped with silicon in the case of the n-type semi-conductor electrode, and polycrystalline iron oxide doped with magnesium in the case of the p-type electrode. So long as the light source has an energy greater than 2.2 electron volts, no added energy source is needed to achieve dissociation.

Somorjai, Gabor A. (Berkeley, CA); Leygraf, Christofer H. (Berkeley, CA)

1985-01-01T23:59:59.000Z

291

Electrolytic photodissociation of chemical compounds by iron oxide electrodes  

DOE Patents (OSTI)

Chemical compounds can be dissociated by contacting the same with a p/n type semi-conductor diode having visible light as its sole source of energy. The diode consists of low cost, readily available materials, specifically polycrystalline iron oxide doped with silicon in the case of the n-type semi-conductor electrode, and polycrystalline iron oxide doped with magnesium in the case of the p-type electrode. So long as the light source has an energy greater than 2.2 electron volts, no added energy source is needed to achieve dissociation.

Somorjai, Gabor A. (Berkeley, CA); Leygraf, Christofer H. (Berkeley, CA)

1984-01-01T23:59:59.000Z

292

V-021: Cisco IronPort Web / Email Security Appliance Sophos Anti...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

1: Cisco IronPort Web Email Security Appliance Sophos Anti-Virus Multiple Vulnerabilities V-021: Cisco IronPort Web Email Security Appliance Sophos Anti-Virus Multiple...

293

Interactions of Fe(II) with the iron oxidizing bacterium Rhodopseudomonas palustris TIE-1  

E-Print Network (OSTI)

Microbial anaerobic iron oxidation has long been of interest to biologists and geologists, both as a possible mechanism for the creation of banded iron formations before the rise of oxygen, and as a model system for organisms ...

Bird, Lina J. (Lina Joana)

2013-01-01T23:59:59.000Z

294

Characterization of temperature profile in furnace and solubility of iron in silicon  

E-Print Network (OSTI)

A better understanding of the behavior of impurities, such as iron, in silicon can lead to increases in solar cell efficiency. The purpose of this thesis was to study the behavior of iron in silicon via three sub-tasks: ...

Modi, Vrajesh Y

2011-01-01T23:59:59.000Z

295

New trends in industrial energy efficiency in the Mexico iron and steel industry  

E-Print Network (OSTI)

de Ingeniería, U N A M . , Mexico Energy Analysis Program atIndustrial Energy Efficiency in the Mexico: Iron and Steelenergy consumption of the iron and steel industry is the feedstock. In Mexico,

Ozawa, Leticia; Martin, Nathan; Worrell, Ernst; Price, Lynn; Sheinbaum, Claudia

1999-01-01T23:59:59.000Z

296

Gas Diffusion in Metals: Fundamental Study of Helium-Point Defect Interactions in Iron and Kinetics of Hydrogen Desorption from Zirconium Hydride  

E-Print Network (OSTI)

Steel irradiated in HFIR, as reproduced from Ref. [irons placed in HFIR. .. 97   Table 6-iron in HFIR. .. 102  

Hu, Xunxiang

2013-01-01T23:59:59.000Z

297

A Theoretical Study of the Magnetic Structure of Bulk Iron with Radiation Defects  

SciTech Connect

A fundamental understanding of the radiation damage effects in solids is of great importance in assisting the development of improved materials with ultra-high strength, toughness, and radiation resistance for nuclear energy applications. In this presentation, we show our recent theoretical investigation on the magnetic structure evolution of bulk iron in the region surrounding the radiation defects. We applied the locally self-consistent multiple scattering method (LSMS), a linear scaling ab-initio method based on density functional theory with local spin density approximation, to the study of the magnetic structure in a low energy cascade in a 10,000-atom sample for a series of time steps for the evolution of the defects. The primary damage state and the evolution of all defects in the sample were simulated using molecular dynamics with empirical, embedded-atom inter-atomic potentials. We also discuss the importance of thermal effect on the magnetic structure evolution.

Wang, Yang [Pittsburgh Supercomputing Center; Stoller, Roger E [ORNL; Rusanu, Aurelian [ORNL; Nicholson, Don M [ORNL; Eisenbach, Markus [ORNL; Stocks, George Malcolm [ORNL

2011-01-01T23:59:59.000Z

298

Development of precipitated iron Fischer-Tropsch catalysts. Quarterly technical progress report, 1 January 1996--31 March 1996  

DOE Green Energy (OSTI)

The overall contract objectives are to: (1) demonstrate repeatability of performance and preparation procedure of two high activity, high alpha iron Fischer-Tropsch catalysts synthesized at Texas A&M University (TAMU); (2) seek potential improvements in the catalyst performance through variations in process conditions, pretreatment procedures and/or modifications in catalyst synthesis; (3) investigate performance of catalysts in a small scale bubble column slurry reactor, and (4) investigate feasibility of producing catalysts on a large scale in collaboration with a catalyst manufacturer. In order to achieve these objectives the work is divided into ten tasks, which are described and their accomplishments are reported.

Bukur, D.B.

1996-06-03T23:59:59.000Z

299

Your Improvement Suggestions Requested  

Science Conference Proceedings (OSTI)

... Once you have joined, click on the Subgroup tab and chose Improvement Day 2010. By E-mail. If you can't create a LinkedIn ...

2010-12-22T23:59:59.000Z

300

Agricultural Improvement Loan Program  

Energy.gov (U.S. Department of Energy (DOE))

The Agricultural Improvement Loan Program is administered by the Minnesota Department of Agriculture through the Minnesota Rural Finance Authority (RFA) and provides loans to farmers for...

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

A modeling approach for iron concentration in sand filtration effluent using adaptive neuro-fuzzy model  

Science Conference Proceedings (OSTI)

Effluent iron concentration is an important water quality criterion used for the assessment of the performance of rapid sand filters, in addition to other criteria. This study deals with the prediction of effluent iron concentrations by adaptive neuro-fuzzy ... Keywords: ANFIS, Effluent iron concentration, Modeling, Sand filtration

Mehmet Çakmakci; Cumali Kinaci; Mahmut Bayramo?lu; Y?lmaz Yildirim

2010-03-01T23:59:59.000Z

302

Porous iron and ferric oxide pellets for hydrogen storage: texture and transport characteristics  

Science Conference Proceedings (OSTI)

Materials for hydrogen storage based on the recovery reduction of Fe3O4 to iron and back iron oxidation to Fe3O4 by water vapor were studied. The preparation conditions for cylindrical pellets from ferric oxide/aluminium ... Keywords: hydrogen storage, inverse gas chromatography, steam iron process, transport parameters

Karel Soukup; Jan Rogut; Jacek Grabowski; Marian Wiatowski; Magdalena Ludwik-Parda?a; Petr Schneider; Olga Šolcová

2010-11-01T23:59:59.000Z

303

Survey of Iron and Nickel Concentrations in PWR Primary Coolant  

Science Conference Proceedings (OSTI)

The concentrations of iron and nickel corrosion products in primary coolant water were measured at eleven different pressurized water reactors. Two reactors experienced anomalies in the axial power distribution during the cycles that were sampled. The axial power distribution anomalies appeared to be associated with high-coolant nickel concentrations early in the fuel cycle.

2001-07-27T23:59:59.000Z

304

Abundance Analysis of Planetary Host Stars I. Differential Iron Abundances  

E-Print Network (OSTI)

We present atmospheric parameters and iron abundances derived from high-resolution spectra for three samples of dwarf stars: stars which are known to host close-in giant planets (CGP), stars for which radial velocity data exclude the presence of a close-in giant planetary companion (no-CGP), as well as a random sample of dwarfs with a spectral type and magnitude distribution similar to that of the planetary host stars (control). All stars have been observed with the same instrument and have been analyzed using the same model atmospheres, atomic data and equivalent width modeling program. Abundances have been derived differentially to the Sun, using a solar spectrum obtained with Callisto as the reflector with the same instrumentation. We find that the iron abundances of CGP dwarfs are on average by 0.22 dex greater than that of no-CGP dwarfs. The iron abundance distributions of both the CGP and no-CGP dwarfs are different than that of the control dwarfs, while the combined iron abundances have a distribution which is very similar to that of the control dwarfs. All four samples (CGP, no-CGP, combined, control) have different effective temperature distributions. We show that metal enrichment occurs only for CGP dwarfs with temperatures just below solar and approximately 300 K higher than solar, whereas the abundance difference is insignificant at Teff around 6000 K.

U. Heiter; R. E. Luck

2003-07-16T23:59:59.000Z

305

Radiofrequency characterization of polydimethylsiloxane - iron oxide based nanocomposites  

Science Conference Proceedings (OSTI)

Colloidal iron oxide nanoparticles with diameters ranging from 15+/-1nm up to 29+/-3nm are used as pure dielectric fillers for nanoparticles-doped nanocomposites. We show that their superparamagnetic behavior allows them to increase the real dielectric ... Keywords: Magnetic nanoparticles, Nanocomposite, Polydimethylsiloxane, Radiofrequency

Ferruccio Pisanello, Rosa De Paolis, Daniela Lorenzo, Simone Nitti, Giuseppina Monti, Despina Fragouli, Athanassia Athanassiou, Liberato Manna, Luciano Tarricone, Massimo De Vittorio, Luigi Martiradonna

2013-11-01T23:59:59.000Z

306

Oxide Dispersion Strengthened Iron Aluminide by CVD Coated Powders  

SciTech Connect

This I &I Category2 program developed chemical vapor deposition (CVD) of iron, aluminum and aluminum oxide coated iron powders and the availability of high temperature oxidation, corrosion and erosion resistant coating for future power generation equipment and can be used for retrofitting existing fossil-fired power plant equipment. This coating will provide enhanced life and performance of Coal-Fired Boilers components such as fire side corrosion on the outer diameter (OD) of the water wall and superheater tubing as well as on the inner diameter (ID) and OD of larger diameter headers. The program also developed a manufacturing route for readily available thermal spray powders for iron aluminide coating and fabrication of net shape component by powder metallurgy route using this CVD coated powders. This coating can also be applid on jet engine compressor blade and housing, industrial heat treating furnace fixtures, magnetic electronic parts, heating element, piping and tubing for fossil energy application and automotive application, chemical processing equipment , heat exchanger, and structural member of aircraft. The program also resulted in developing a new fabrication route of thermal spray coating and oxide dispersion strengthened (ODS) iron aluminide composites enabling more precise control over material microstructures.

Asit Biswas Andrew J. Sherman

2006-09-25T23:59:59.000Z

307

Iron Recovery from Copper Slag through Oxidation-magnetic ...  

Science Conference Proceedings (OSTI)

Recovery of iron from the copper slag is very essential not only for recycling the valuable ... Characterization of High-arsenic Sludge in Copper Metallurgy Plant ... Characterization of Waste from Ornamental Stones for Use in Mortar ... Effect of Friction Stir Welding Speed and Post Weld Heat Treatment on the Microstructure

308

Iron Biomineralization: Implications on the Fate of Arsenic in Landfills  

E-Print Network (OSTI)

these arsenic-bearing solid residuals (ABSR) pass the Toxicity Characteristic Leaching Procedure (TCLP in our laboratory as well as other labs, has shown that the TCLP greatly underestimates the ABSR leaching concentrations of As. Iron reduction led to arsenic release into solution, where arsenic was reduced. #12;Figure

Cushing, Jim. M.

309

Improved plug valve  

DOE Patents (OSTI)

An improved plug valve wherein a novel shape for the valve plug and valve chamber provide mating surfaces for improved wear characteristics is described. The novel shape of the valve plug is a frustum of a body of revolution of a curve known as a tractrix, a solid shape otherwise known as a pseudosphere.

Wordin, J.J.

1986-05-09T23:59:59.000Z

310

Improved wire chamber  

DOE Patents (OSTI)

An improved gas mixture for use with proportional counter devices, such as Geiger-Mueller tubes and drift chambers. The improved gas mixture provides a stable drift velocity while eliminating wire aging caused by prior art gas mixtures. The new gas mixture is comprised of equal parts argon and ethane gas and having approximately 0.25% isopropyl alcohol vapor. 2 figs.

Atac, M.

1987-05-12T23:59:59.000Z

311

Measurement, Analysis, and Improvement  

NLE Websites -- All DOE Office Websites (Extended Search)

6 Measurement, Analysis, and Improvement Process 11_0304 Page 1 of 6 6 Measurement, Analysis, and Improvement Process 11_0304 Page 1 of 6 EOTA - Business Process Document Title: Measurement, Analysis, and Improvement Process Document Number: P-006 Rev 11_0304 Document Owner: Elizabeth Sousa Backup Owner: Melissa Otero Approver(s): Melissa Otero Parent Document: Q-001, Quality Manual Notify of Changes: EOTA Employees Referenced Document(s): P-008 Corrective-Preventive Action Process, P-004 Business System Management Review and REG-003 Records Register P-006 Measurement, Analysis, and Improvement Process 11_0304 Page 2 of 6 Revision History: Rev. Description of Change A Initial Release 08_0416 Changed verbiage in Step 6 to, "CAR/PAR/IO using P-008, Corrective-Preventive Action & Improvement Opportunity"

312

Milestone Plan Process Improvement  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Milestone Plan Process Improvement Milestone Plan Process Improvement Milestone Plan Process Improvement Background In response to our community's concern over the milestone plan (MP) process within the system, the STRIPES Project Office initiated an in-depth evaluation of the required steps and issues surrounding this process. We concluded that the MP process could be improved for most users by tuning the system configuration. With the approval of both the STRIPES Executive Steering Committee and the STRIPES Project Office, we launched the MP Process Improvement Initiative. After many meetings with members of the STRIPES Team and Working Group, we are ready to "go-live" with this initiative. On October 1 st , 2012 the new MP process will be implemented for use by most field offices.

313

Iron Aerogel and Xerogel Catalysts for Fischer-Tropsch Synthesis of Diesel Fuel  

SciTech Connect

Iron aerogels, potassium-doped iron aerogels, and potassium-doped iron xerogels have been synthesized and characterized and their catalytic activity in the Fischer-Tropsch (F-T) reaction has been studied. Iron aerogels and xerogels were synthesized by polycondensation of an ethanolic solution of iron(III) chloride hexahydrate with propylene oxide which acts as a proton scavenger for the initiation of hydrolysis and polycondensation. Potassium was incorporated in the iron aerogel and iron xerogel by adding aqueous K{sub 2}CO{sub 3} to the ethanolic solutions of the Fe(III) precursor prior to addition of propylene oxide. Fischer-Tropsch activities of the catalysts were tested in a fixed bed reactor at a pressure of 100 psi with a H{sub 2}:CO ratio of 2:1. Iron aerogels were found to be active for F-T synthesis, and their F-T activities increased on addition of a K containing promoter. Moessbauer spectroscopic data are consistent with an open, nonrigid iron(III) aerogel structure progressing to an iron carbide/metallic iron catalyst via agglomeration as the F-T synthesis proceeds in the course of a 35 h fixed bed reaction test.

Bali, S.; Huggins, F; Huffman, G; Ernst, R; Pugmire, R; Eyring, E

2009-01-01T23:59:59.000Z

314

V-021: Cisco IronPort Web / Email Security Appliance Sophos Anti-Virus  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

21: Cisco IronPort Web / Email Security Appliance Sophos 21: Cisco IronPort Web / Email Security Appliance Sophos Anti-Virus Multiple Vulnerabilities V-021: Cisco IronPort Web / Email Security Appliance Sophos Anti-Virus Multiple Vulnerabilities November 12, 2012 - 6:00am Addthis PROBLEM: Cisco IronPort Web / Email Security Appliance Sophos Anti-Virus Multiple Vulnerabilities PLATFORM: Cisco IronPort Email Security Appliances (C-Series and X-Series) running Sophos Engine versions 3.2.07.352_4.80 and prior. Cisco IronPort Web Security Appliances (S-Series) running Sophos Engine versions 3.2.07.352_4.80 and prior. ABSTRACT: Cisco Ironport Appliances Sophos Anti-Virus Vulnerabilities. REFERENCE LINKS: Cisco Security Advisory ID: cisco-sa-20121108-sophos Secunia Advisory SA51197 IMPACT ASSESSMENT: High DISCUSSION: Cisco has acknowledged some vulnerabilities in Cisco IronPort Web Security

315

V-021: Cisco IronPort Web / Email Security Appliance Sophos Anti-Virus  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

1: Cisco IronPort Web / Email Security Appliance Sophos 1: Cisco IronPort Web / Email Security Appliance Sophos Anti-Virus Multiple Vulnerabilities V-021: Cisco IronPort Web / Email Security Appliance Sophos Anti-Virus Multiple Vulnerabilities November 12, 2012 - 6:00am Addthis PROBLEM: Cisco IronPort Web / Email Security Appliance Sophos Anti-Virus Multiple Vulnerabilities PLATFORM: Cisco IronPort Email Security Appliances (C-Series and X-Series) running Sophos Engine versions 3.2.07.352_4.80 and prior. Cisco IronPort Web Security Appliances (S-Series) running Sophos Engine versions 3.2.07.352_4.80 and prior. ABSTRACT: Cisco Ironport Appliances Sophos Anti-Virus Vulnerabilities. REFERENCE LINKS: Cisco Security Advisory ID: cisco-sa-20121108-sophos Secunia Advisory SA51197 IMPACT ASSESSMENT: High DISCUSSION: Cisco has acknowledged some vulnerabilities in Cisco IronPort Web Security

316

Use of bimodal carbon distribution in compacts for producing metallic iron nodules  

SciTech Connect

A method for use in production of metallic iron nodules comprising providing a reducible mixture into a hearth furnace for the production of metallic iron nodules, where the reducible mixture comprises a quantity of reducible iron bearing material, a quantity of first carbonaceous reducing material of a size less than about 28 mesh of an amount between about 65 percent and about 95 percent of a stoichiometric amount necessary for complete iron reduction of the reducible iron bearing material, and a quantity of second carbonaceous reducing material with an average particle size greater than average particle size of the first carbonaceous reducing material and a size between about 3 mesh and about 48 mesh of an amount between about 20 percent and about 60 percent of a stoichiometric amount of necessary for complete iron reduction of the reducible iron bearing material.

Iwasaki, Iwao

2012-10-16T23:59:59.000Z

317

Cycle Chemistry Improvement Program  

Science Conference Proceedings (OSTI)

The purity of water and steam is central to ensuring fossil plant component availability and reliability. This report, which describes formal cycle chemistry improvement programs at nine utilities, will assist utilities in achieving significant operation and maintenance cost reductions.

1997-04-21T23:59:59.000Z

318

An Improved Humidity Sensor  

Science Conference Proceedings (OSTI)

A common feature of all capacitance humidity sensors is their undesirable hysteresis effect due to the unequal adsorption and desorption of water vapor on the surfaces of their dielectric porous materials. To eliminate this error, an improved ...

Shixuan Pang; Hartmut Graßl; Horst Jäger

1996-10-01T23:59:59.000Z

319

Improved, Defect-Free Electrode Materials - Energy ...  

The present invention provides simple, cost effective methods for the preparation of lithium iron phosphate material that is defect-free and therefore ...

320

Improved, Defect-Free Electrode Materials  

The present invention provides simple, cost effective methods for the preparation of lithium iron phosphate material that is defect-free and therefore ...

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Effect of thermal treatment on coke reactivity and catalytic iron mineralogy  

SciTech Connect

Iron minerals in coke can catalyze its gasification and may affect coke behavior in the blast furnace. The catalytic behavior of iron depends largely upon the nature of the iron-bearing minerals. To determine the mineralogical changes that iron could undergo in the blast furnace, cokes made from three coals containing iron present in different mineral forms (clays, carbonates, and pyrite) were examined. All coke samples were heat-treated in a horizontal furnace at 1373, 1573, and 1773 K and then gasified with CO{sub 2} at 1173 K in a fixed bed reactor (FBR). Coke mineralogy was characterized using quantitative X-ray diffraction (XRD) analysis of coke mineral matter prepared by low-temperature ashing (LTA) and field emission scanning electron microscopy combined with energy dispersive X-ray analysis (FESEM/EDS). The mineralogy of the three cokes was most notably distinguished by differing proportions of iron-bearing phases. During heat treatment and subsequent gasification, iron-containing minerals transformed to a range of minerals but predominantly iron-silicides and iron oxides, the relative amounts of which varied with heat treatment temperature and gasification conditions. The relationship between initial apparent reaction rate and the amount of catalytic iron minerals - pyrrhotite, metallic iron, and iron oxides - was linear and independent of heat treatment temperature at total catalyst levels below 1 wt %. The study showed that the coke reactivity decreased with increasing temperature of heat treatment due to decreased levels of catalytic iron minerals (largely due to formation of iron silicides) as well as increased ordering of the carbon structure. The study also showed that the importance of catalytic mineral matter in determining reactivity declines as gasification proceeds. 37 refs., 13 figs., 7 tabs.

Byong-chul Kim; Sushil Gupta; David French; Richard Sakurovs; Veena Sahajwalla [University of New South Wales, Sydney, NSW (Australia). Centre for Sustainable Materials Research and Technology

2009-07-15T23:59:59.000Z

322

Arsenic Removal by Photochemical Methods: Nanoparticulate Zerovalent Iron  

NLE Websites -- All DOE Office Websites (Extended Search)

Arsenic Removal by Photochemical Methods: Nanoparticulate Zerovalent Iron Arsenic Removal by Photochemical Methods: Nanoparticulate Zerovalent Iron and Heterogeneous Photocatalysis with TiO2 Speaker(s): Marta Litter Date: November 19, 2010 - 11:00am Location: 90-3122 Seminar Host/Point of Contact: Hugo Destaillats Arsenic in groundwater is a dramatic global problem due to the high incidence of arsenicosis or HACRE (Chronic Endemic Regional Hydro-arsenicism, Hidroarsenicismo Crónico Regional Endémico in Spanish), a severe illness causing skin lesions and cancer in extended regions of the world. For this reason, research on low-cost technologies for As removal to be applied in isolated, poor, rural locations is mandatory. This seminar will present a brief overview of arsenic pollution issues and mitigation needs in Latin America. It will also present results on As(V) removal using

323

Parkers-Iron Springs, Arkansas: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Parkers-Iron Springs, Arkansas: Energy Resources Parkers-Iron Springs, Arkansas: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 34.6081427°, -92.3320235° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":34.6081427,"lon":-92.3320235,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

324

What's in the Cage Matters in Iron Antimonide Thermoelectric Materials |  

NLE Websites -- All DOE Office Websites (Extended Search)

Novel Experiments on Cement Yield Concrete Results Novel Experiments on Cement Yield Concrete Results Watching a Glycine Riboswitch "Switch" Polyamorphism in a Metallic Glass Under Pressure, Vanadium Won't Turn Down the Volume New Nanoscale Engineering Breakthrough Points to Hydrogen-Powered Vehicles Science Highlights Archives: 2013 | 2012 | 2011 | 2010 2009 | 2008 | 2007 | 2006 2005 | 2004 | 2003 | 2002 2001 | 2000 | 1998 | Subscribe to APS Science Highlights rss feed What's in the Cage Matters in Iron Antimonide Thermoelectric Materials MARCH 29, 2007 Bookmark and Share Crystal structure of EuFe4Sb12 showing the cage confined Eu atoms (red) and Fe atoms (brown) surrounded by Sb tilted octahedral (Sb atoms are not shown). Thermoelectric materials such as iron antimonide have drawn intense interest because they offer a pollution-free source of electricity and a

325

TECHNOLOGY DEVELOPMENT FOR IRON FISCHER-TROPSCH CATALYSTS  

DOE Green Energy (OSTI)

The goal of the proposed work described in this Final Report was the development of iron-based Fischer-Tropsch catalysts that combined high activity, selectivity and life with physical robustness for slurry phase reactors that will produce either low-alpha or high-alpha products. The work described here has optimized the catalyst composition and pretreatment operation for a low-alpha catalyst. In parallel, work has been conducted to design a high-alpha iron catalyst that is suitable for slurry phase synthesis. Studies have been conducted to define the chemical phases present at various stages of the pretreatment and synthesis stages and to define the course of these changes. The oxidation/reduction cycles that are anticipated to occur in large, commercial reactors have been studied at the laboratory scale. Catalyst performance has been determined for catalysts synthesized in this program for activity, selectivity and aging characteristics.

Davis, B.H.

1998-07-22T23:59:59.000Z

326

The Viscosity of a Liquid Plutonium-Iron Eutectic Alloy  

SciTech Connect

The viscosity of a liquid plutonium-iron eutectic alloy, which contains 9.5 atom per cent iron and melts at 411 degrees C, was determined up to 808 degrees C at Mound Laboratory by an oscillating cup viscosimeter. This type of apparatus employed a right-circular cylindrical cup containing the liquid under investigation attached to a torsion fiber. The dampening effect of the liquid upon the normal oscillations of the pendululm was a function of the viscosity of the liquid. The amplitudes of the oscillations of the pendulum were measured by a photographic technique. The periods of the oscillations were determined by an automatic timing mechanism. The reliability of the viscosimeter was demonstrated by following the expected function of the viscosity of liquid lead and bismuth over a larger temperature range than was previously reported.

Wittenberg, L. J., Jones, L. V., Ofte, D.

1960-04-01T23:59:59.000Z

327

Iron aluminide alloy container for solid oxide fuel cells  

DOE Patents (OSTI)

A container for fuel cells is made from an iron aluminide alloy. The container alloy preferably includes from about 13 to about 22 weight percent Al, from about 2 to about 8 weight percent Cr, from about 0.1 to about 4 weight percent M selected from Zr and Hf, from about 0.005 to about 0.5 weight percent B or from about 0.001 to about 1 weight percent C, and the balance Fe and incidental impurities. The iron aluminide container alloy is extremely resistant to corrosion and metal loss when exposed to dual reducing and oxidizing atmospheres at elevated temperatures. The alloy is particularly useful for containment vessels for solid oxide fuel cells, as a replacement for stainless steel alloys which are currently used.

Judkins, Roddie Reagan (Knoxville, TN); Singh, Prabhakar (Export, PA); Sikka, Vinod Kumar (Oak Ridge, TN)

2000-01-01T23:59:59.000Z

328

IRON-PHOSPHATE GLASS FOR IMMOBILIZATION OF RADIOACTIVE TECHNETIUM  

Science Conference Proceedings (OSTI)

Technetium-99 (Tc-99) can bring a serious environmental threat because of its high fission yield, long half-life, and high solubility and mobility in the ground water. The present work investigated the immobilization of Tc-99 (surrogated by Re) by heat-treating mixtures of an iron-phosphate glass with 1.5 to 6 wt.% KReO{sub 4} at {approx}1000 C. The Re retention in the glass was as high as {approx}1.2 wt. % while the loss of Re by evaporation during melting was {approx}50%. Re was uniformly distributed within the glass. The normalized Re release by the 7-day Product Consistency Test was {approx}0.39 g/m{sup 2}, comparable with that in phosphate-bonded ceramics and borosilicate glasses. These results suggest that iron-phosphate glass can provide a good matrix for immobilizing Tc-99.

KRUGER AA; HRMA PR; XU K; CHOI J; UM W; HEO J

2012-03-19T23:59:59.000Z

329

Method for heat treating iron-nickel-chromium alloy  

DOE Patents (OSTI)

A method for heat treating an age-hardenable iron-nickel-chromium alloy to obtain a bimodal distribution of gamma prime phase within a network of dislocations, the alloy consisting essentially of about 25% to 45% nickel, 10% to 16% chromium, 1.5% to 3% of an element selected from the group consisting of molybdenum and niobium, about 2% titanium, about 3% aluminum, and the remainder substantially all iron. To obtain optimum results, the alloy is heated to a temperature of 1025.degree. C. to 1075.degree. C. for 2-5 minutes, cold-worked about 20% to 60%, aged at a temperature of about 775.degree. C. for 8 hours followed by an air-cool, and then heated to a temperature in the range of 650.degree. C. to 700.degree. C. for 2 hours followed by an air-cool.

Merrick, Howard F. (Suffern, NY); Korenko, Michael K. (Rockville, MD)

1982-01-01T23:59:59.000Z

330

NETL: News Release - Clean Coal Technology Report Showcases Advanced Iron  

NLE Websites -- All DOE Office Websites (Extended Search)

April 6, 2000 April 6, 2000 Clean Coal Technology Report Showcases Advanced Iron Making Process, Benefits for the Environment Topical Report Profiles Blast Furnace Granular Coal Injection System; Now Available on DOE's Fossil Energy Web Site An advanced iron making technology demonstrated in the U.S. Department of Energy's Clean Coal Technology Program stands out for its potential to provide major environmental and financial benefits to the United States steel industry. Bethlehem Steel Topical Report The Energy Department has profiled the project in a topical report entitled Blast Furnace Granular Coal Injection System Demonstration Project. The report describes the federal government's partnership demonstration project with Bethlehem Steel Corporation, which tested a new method for reducing

331

Fe sub 3 Al-type iron aluminides: Aqueous corrosion properties in a range of electrolytes and slow-strain-rate ductilities during aqueous corrosion  

DOE Green Energy (OSTI)

The Fe{sub 3}Al-type iron aluminides have undergone continued development at the Oak Ridge National Laboratory for enhancement of mechanical and corrosion properties. Improved alloys and thermomechanical processing methods have evolved. The overall purpose of the project herein described was to evaluate the aqueous corrosion properties of the most recent alloy compositions in a wide range of possibly-aggressive solutions and under several different types of corrosion-test conditions. The work supplements previous aqueous-corrosion studies on iron aluminides by the present authors. Four stages of this one-year aqueous-corrosion investigation are described. First the corrosion properties of selected iron aluminides were evaluated by means of electrochemical tests and longer-time immersion tests in a range of acidic, basic and chloride solutions. Theses tests were performed under non-crevice conditions, i.e. the specimens were not designed to contain crevice geometries. Second, the iron-aluminide alloy that proved most resistance to chloride-induced localized corrosion under non-crevice conditions was further evaluated under more-severe crevice conditions by electrochemical and immersion testing. Third, in order to study the relative roles of Fe, Al, Cr and Mo in the formation of passive films, the chemical compositions of passive films were determined by X-ray photoelectron spectroscopy (XPS). And fourth, in order to study aqueous-corrosion effects on the ductilities of iron aluminides as related to hydrogen embrittlement and/or stress-corrosion cracking, slow-strain-rate corrosion (SSRC) tests were conducted over a range of electrochemical potentials.

Buchanan, R.A.; Kim, J.G. (Tennessee Univ., Knoxville, TN (United States). Dept. of Materials Science and Engineering)

1992-08-01T23:59:59.000Z

332

Fe{sub 3}Al-type iron aluminides: Aqueous corrosion properties in a range of electrolytes and slow-strain-rate ductilities during aqueous corrosion  

DOE Green Energy (OSTI)

The Fe{sub 3}Al-type iron aluminides have undergone continued development at the Oak Ridge National Laboratory for enhancement of mechanical and corrosion properties. Improved alloys and thermomechanical processing methods have evolved. The overall purpose of the project herein described was to evaluate the aqueous corrosion properties of the most recent alloy compositions in a wide range of possibly-aggressive solutions and under several different types of corrosion-test conditions. The work supplements previous aqueous-corrosion studies on iron aluminides by the present authors. Four stages of this one-year aqueous-corrosion investigation are described. First the corrosion properties of selected iron aluminides were evaluated by means of electrochemical tests and longer-time immersion tests in a range of acidic, basic and chloride solutions. Theses tests were performed under non-crevice conditions, i.e. the specimens were not designed to contain crevice geometries. Second, the iron-aluminide alloy that proved most resistance to chloride-induced localized corrosion under non-crevice conditions was further evaluated under more-severe crevice conditions by electrochemical and immersion testing. Third, in order to study the relative roles of Fe, Al, Cr and Mo in the formation of passive films, the chemical compositions of passive films were determined by X-ray photoelectron spectroscopy (XPS). And fourth, in order to study aqueous-corrosion effects on the ductilities of iron aluminides as related to hydrogen embrittlement and/or stress-corrosion cracking, slow-strain-rate corrosion (SSRC) tests were conducted over a range of electrochemical potentials.

Buchanan, R.A.; Kim, J.G. [Tennessee Univ., Knoxville, TN (United States). Dept. of Materials Science and Engineering

1992-08-01T23:59:59.000Z

333

Iron Dominated Electromagnets: Design, Fabrication, Assembly and Measurements  

SciTech Connect

Medium energy electron synchrotrons used for the production of high energy photons from synchrotron radiation is an accelerator growth industry. Many of these accelerators have been built or are under construction to satisfy the needs of synchrotron light users throughout the world. Because of the long beam lifetimes required for these synchrotrons, these medium energy accelerators require the highest quality magnets of various types. Other accelerators, for instance low and medium energy boosters for high energy physics machines and electron/positron colliders, require the same types of magnets. Because of these needs, magnet design lectures, were organized and presented periodically at biennual classes organized under the auspices of the US Particle Accelerator School (USPAS). These classes were divided among areas of magnet design from fundamental theoretical considerations, the design approaches and algorithms for permanent magnet wigglers and undulators and the design and engineering of conventional accelerator magnets. The conventional magnet lectures were later expanded for the internal training of magnet designers at LLNL at the request of Lou Bertolini. Because of the broad nature of magnet design, Dr. S. Y. Lee, the former Director of the Particle Accelerator School, saw the need for a specialized course covering the various aspects of the design, engineering and fabrication of conventional magnets. This section of the class was isolated and augmented using the LLNL developed material resulting in the class on conventional magnet design. Conventional magnets are defined (for the purposes of this publication) as magnets whose field shape is dominated by the shape of the iron magnet yoke and are excited by coils, usually wound from solid or hollow water-cooled copper or aluminum conductors. This publication collects the lecture notes, written for the first course in the USPAS conventional magnet design course and evolved over subsequent presentations of this same course, and organizes the material roughly divided among two parts. One part is theoretical and computational and attempts to provide a foundation for later chapters which exploit the expressions and algorithms for the engineering and design calculations required to specify magnet conceptual designs. A chapter is devoted to the description and use of one of many magnet codes used to characterize the two dimensional field resulting from various magnet cross-sections. A chapter is included which exploits the two-dimensional theory and applies the mathematics to techniques and systems for magnet measurement. The second part of this publication ranges to practical issues associated with the fabrication of components, assembly, installation and alignment of magnets. This section also includes fabrication practices which respond to personnel and equipment protection needs. Required design calculations are supplemented by examples and problems. A CD is included with tools provided to simplify the computation of some of the more tedious relationships. This CD also includes useful photographs and pictures describing the high volume production of typical magnet types, which if included in the publication will add too many pages and increase the cost of publication. Styles among those facing similar problems will result in a wide variation of individual magnet designs. Designs and technologies will evolve and improve. This publication provides a snapshot of the present technology and presents as examples the magnet designs developed in response to the needs of several projects, the Advanced Light Source at LBNL, PEPII Low Energy Ring and SPEAR3 synchrotron light source at SLAC and the Australian Light Source, currently under construction in Melbourne. In each example, the reasons for fabrication design decisions are itemized and rationalized as much as is reasonable. The examples presented in this publication are provided as starting points which can be used as a design basis for magnets required for future projects. It is hoped that the listing of some design choi

Tanabe, Jack; /SLAC, SSRL

2005-09-19T23:59:59.000Z

334

Technology development for iron F-T catalysts. Final report  

DOE Green Energy (OSTI)

The objectives of this work were twofold. The first objective was to design and construct a pilot plant for preparing precipitated iron oxide F-T precursors and demonstrate that the rate of production from this plant is equivalent to 100 lbs/day of dried metal oxide. Secondly, these precipitates were to be used to prepare catalysts capable of achieving 88% CO + H{sub 2} conversion with {le} 5 mole percent selectivity to methane + ethane.

Frame, R.R.; Gala, H.B.

1994-08-01T23:59:59.000Z

335

Multimuon production in 280 GeV ?+ iron interactions  

Science Conference Proceedings (OSTI)

Results are presented on dimuon and trimuon final states in 280 GeV ?+ iron interactions. Both dimuon and trimuon data show clear evidence for open charm production and suggest strongly that the dominant production process is photon?gluon fusion. Similar amounts of elastic and inelastic (shower energy ?5 GeV) J/? production are measured in the trimuon sample. Elastic J/? production is consistent with photon?gluon fusion plus naive assumptions. Inelastic J/? production is inconsistent with this simple model

The European Muon Collaboration

1980-01-01T23:59:59.000Z

336

Pressure Effects on Two Superconducting Iron-based Families  

SciTech Connect

Insight into the mechanism of high-temperature superconductivity can be gained by pressure-dependent studies of structural, thermodynamics and transport data. The role of pressure may be complicated by the level of hydrostaticity. High-pressure studies on two iron-based families of RFeAsO (R = rare-earth metals) and AFe{sub 2}As{sub 2} (A = alkaline-earth metals) are reviewed here.

Safa-Sefat, Athena [ORNL

2011-01-01T23:59:59.000Z

337

Low resistivity contact to iron-pnictide superconductors  

DOE Patents (OSTI)

Method of making a low resistivity electrical connection between an electrical conductor and an iron pnictide superconductor involves connecting the electrical conductor and superconductor using a tin or tin-based material therebetween, such as using a tin or tin-based solder. The superconductor can be based on doped AFe.sub.2As.sub.2, where A can be Ca, Sr, Ba, Eu or combinations thereof for purposes of illustration only.

Tanatar, Makariy; Prozorov, Ruslan; Ni, Ni; Bud& #x27; ko, Sergey; Canfield, Paul

2013-05-28T23:59:59.000Z

338

Length-scale Effects in Cascade Damage Production in Iron  

SciTech Connect

Molecular dynamics simulations provide an atomistic description of the processes that control primary radiation damage formation in atomic displacement cascades. An extensive database of simulations describing cascade damage production in single crystal iron has been compiled using a modified version of the interatomic potential developed by Finnis and Sinclair. This same potential has been used to investigate primary damage formation in nanocrystalline iron in order to have a direct comparison with the single crystal results. A statistically significant number of simulations were carried out at cascade energies of 10 keV and 20 keV and temperatures of 100 and 600K to make this comparison. The results demonstrate a significant influence of nearby grain boundaries as a sink for mobile defects during the cascade cooling phase. This alters the residual primary damage that survives the cascade event. Compared to single crystal, substantially fewer interstitials survive in the nanograined iron, while the number of surviving vacancies is similar or slightly greater than the single crystal result. The fraction of the surviving interstitials contained in clusters is also reduced. The asymmetry in the survival of the two types of point defects is likely to alter damage accumulation at longer times.

Stoller, Roger E [ORNL; Osetskiy, Yury N [ORNL; Kamenski, Paul J [ORNL

2009-01-01T23:59:59.000Z

339

Mineral ecophysiological evidence for microbial activity in banded iron formation  

Science Conference Proceedings (OSTI)

The phosphorus composition of banded-iron formations (BIFs) has been used as a proxy for Precambrian seawater composition and the paleoeredox state of Earth's surface environment. However, it is unclear whether the phosphorus in BIFs originally entered the sediment as a sorbed component of the iron oxyhydroxide particles, or whether it was incorporated into the biomass of marine phytoplankton. We conducted high-resolution mineral analyses and report here the first detection of an Fe(III) acetate salt, as well as nanocrystals of apatite in association with magnetite, in the 2.48 Ga Dales Gorge Member of the Brockman Iron Formation (a BIF), Hamersley, Western Australia. The clusters of apatite are similar in size and morphology to biogenic apatite crystals resulting from biomass decay in Phanerozoic marine sediments, while the formation of an Fe(III) acetate salt and magnetite not only implies the original presence of biomass in the BIF sediments, but also that organic carbon likely served as an electron donor during bacterial Fe(III) reduction. This study is important because it suggests that phytoplankton may have played a key role in the transfer of phosphorus (and other trace elements) from the photic zone to the seafloor.

Li, Dr. Yi-Liang [University of Tennessee, Knoxville (UTK); Konhauser, Dr, Kurt [University of Alberta; Cole, David R [ORNL; Phelps, Tommy Joe [ORNL

2011-01-01T23:59:59.000Z

340

Performance and cycling of the iron-ion/hydrogen redox flow cell with  

NLE Websites -- All DOE Office Websites (Extended Search)

Performance and cycling of the iron-ion/hydrogen redox flow cell with Performance and cycling of the iron-ion/hydrogen redox flow cell with various catholyte salts Title Performance and cycling of the iron-ion/hydrogen redox flow cell with various catholyte salts Publication Type Journal Article Year of Publication 2013 Authors Tucker, Michael C., Venkat Srinivasan, Philip N. Ross, and Adam Z. Weber Journal Journal of Applied Electrochemistry Volume 43 Issue 7 Pagination 637 - 644 Date Published 7/2013 ISSN 0021-891X Keywords battery, Flow battery, iron hydrogen cell, progress, redox flow cell Abstract A redox flow cell utilizing the Fe2+/Fe3+ and H-2/H+ couples is investigated as an energy storage device. A conventional polymer electrolyte fuel cell anode and membrane design is employed, with a cathode chamber containing a carbon felt flooded with aqueous acidic solution of iron salt. The maximum power densities achieved for iron sulfate, iron chloride, and iron nitrate are 148, 207, and 234 mW cm(-2), respectively. It is found that the capacity of the iron nitrate solution decreases rapidly during cycling. Stable cycling is observed for more than 100 h with iron chloride and iron sulfate solutions. Both iron sulfate and iron chloride solutions display moderate discharge polarization and poor charge polarization; therefore, voltage efficiency decreases dramatically with increasing current density. A small self-discharge current occurs when catholyte is circulating through the cathode chamber. As a result, a current density above 100 mA cm(-2) is required to achieve high Coulombic efficiency (> 0.9).

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341

Snapshot of iron response in Shewanella oneidensis by gene network reconstruction  

Science Conference Proceedings (OSTI)

Background: Iron homeostasis of Shewanella oneidensis, a gamma-proteobacterium possessing high iron content, is regulated by a global transcription factor Fur. However, knowledge is incomplete about other biological pathways that respond to changes in iron concentration, as well as details of the responses. In this work, we integrate physiological, transcriptomics and genetic approaches to delineate the iron response of S. oneidensis. Results: We show that the iron response in S. oneidensis is a rapid process. Temporal gene expression profiles were examined for iron depletion and repletion, and a gene co-expression network was reconstructed. Modules of iron acquisition systems, anaerobic energy metabolism and protein degradation were the most noteworthy in the gene network. Bioinformatics analyses suggested that genes in each of the modules might be regulated by DNA-binding proteins Fur, CRP and RpoH, respectively. Closer inspection of these modules revealed a transcriptional regulator (SO2426) involved in iron acquisition and ten transcriptional factors involved in anaerobic energy metabolism. Selected genes in the network were analyzed by genetic studies. Disruption of genes encoding a putative alcaligin biosynthesis protein (SO3032) and a gene previously implicated in protein degradation (SO2017) led to severe growth deficiency under iron depletion conditions. Disruption of a novel transcriptional factor (SO1415) caused deficiency in both anaerobic iron reduction and growth with thiosulfate or TMAO as an electronic acceptor, suggesting that SO1415 is required for specific branches of anaerobic energy metabolism pathways. Conclusions: Using a reconstructed gene network, we identified major biological pathways that were differentially expressed during iron depletion and repletion. Genetic studies not only demonstrated the importance of iron acquisition and protein degradation for iron depletion, but also characterized a novel transcriptional factor (SO1415) with a role in anaerobic energy metabolism.

Yang, Yunfeng; Harris, Daniel P.; Luo, Feng; Xiong, Wenlu; Joachimiak, Marcin; Wu, Liyou; Dehal, Paramvir; Jacobsen, Janet; Yang, Zamin; Palumbo, Anthony V.; Arkin, Adam P.; Zhou, Jizhong

2008-10-09T23:59:59.000Z

342

Blood and hair lead in children with different extents of iron deficiency in Karachi  

SciTech Connect

Childhood iron deficiency has a high incidence in Pakistan. Some but not all studies have shown that dietary iron deficiency may cause increased absorption of lead as both compete for the same transporters in the small intestine. Therefore, children in Pakistan, residing in heavily polluted cities like Karachi may be prone to lead poisoning. This hypothesis was tested by investigating blood and hair lead concentrations in children from Karachi who were divided into four groups of iron status; normal, borderline iron deficiency, iron deficiency and iron deficiency anaemia. A prospective observational study was conducted where 269 children were categorized into four groups of iron status using the World Health Organization criteria and one based on soluble transferrin receptor measurements. Blood iron status was determined using a full blood count, serum iron, ferritin, transferrin saturation and soluble transferrin receptor measurements. Blood lead was determined by graphite atomic absorption spectroscopy, whereas hair lead was assessed using an inductively coupled plasma atomic emission spectroscopy technique. Blood lead concentrations were significantly higher in children with iron deficiency anaemia (mean [95% confidence intervals] were 24.9 [22.6-27.2] {mu}g/dL) compared to those with normal iron status (19.1 [16.8-21.4] {mu}g/dL) using WHO criteria. In contrast, hair lead content was not significantly different in children of different iron status. Our findings reinforce the importance of not only reducing environmental lead pollution but also the development of national health strategies to reduce childhood iron deficiency in Pakistan.

Ataur Rahman, Muhammad; Rahman, Bushra [Karachi Institute of Biotechnology and Genetic Engineering, University of Karachi, Karachi-75270 (Pakistan)] [Karachi Institute of Biotechnology and Genetic Engineering, University of Karachi, Karachi-75270 (Pakistan); Saeed Ahmad, Muhammad [School of Healthcare Science, Manchester Metropolitan University, Manchester M1 5GD (United Kingdom)] [School of Healthcare Science, Manchester Metropolitan University, Manchester M1 5GD (United Kingdom); Blann, Andrew [Department of Medicine, City Hospital, Birmingham B18 7QH, United Kingdom. (United Kingdom)] [Department of Medicine, City Hospital, Birmingham B18 7QH, United Kingdom. (United Kingdom); Ahmed, Nessar, E-mail: N.Ahmed@mmu.ac.uk [School of Healthcare Science, Manchester Metropolitan University, Manchester M1 5GD (United Kingdom)] [School of Healthcare Science, Manchester Metropolitan University, Manchester M1 5GD (United Kingdom)

2012-10-15T23:59:59.000Z

343

Surveillance Guides - Continous Improvement  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

CONTINUOUS IMPROVEMENT CONTINUOUS IMPROVEMENT 1.0 Objective The objective of this surveillance is to verify that contractor personnel are effectively managing environment, safety, and health issues in a manner that fosters continuous improvement. The activities included in this surveillance help the Facility Representative determine whether safety issues identified through internal contractor, and external DOE or Defense Nuclear Facilities Safety Board evaluation programs are resolved consistent with the level of safety importance. 2.0 References 2.1 DOE O 414.1, Quality Assurance 2.2 DOE O 232.1, Occurrence Reporting and Processing of Operations Information 2.3 DOE-STD-1045-93, Guide to Good Practices for Notifications and Investigations of Abnormal Events 2.4 48 CFR 1970.5204, Department of Energy Acquisition

344

Improved energy sealing capability  

DOE Green Energy (OSTI)

In response to the need for tapping national energy resources, an improved high temperature sealing material has been developed through the sponsorship of the Department of Energy. Parker Seal was selected as one of the technology transferees from L'Garde Inc. and has optimized this transferred technology for further improved performance capabilities and acceptable plant processing. This paper summarizes Parker Seal's testing and evaluation efforts on L'Garde's Y267 transferred technology for a new geothermal and stream service material. This new product, Parker's E962-85 is described in this paper.

Barsoumian, Jerry L.

1982-10-08T23:59:59.000Z

345

Degradation of organic and inorganic contaminants by zero valent iron  

E-Print Network (OSTI)

Reduction of trichloroethylene (TCE), chromium (VI), and 2,4 dinitrotoluene (2,4-DNT) by zero valent iron and palladized iron under anaerobic conditions was investigated. Reduction experiments of the contaminants were carried out individually and in combination. All three target contaminants were effectively reduced by both iron (Feo) and palladized iron (Pd/Fe'). However, the rate of reduction by Pd/Fe' was found to be much faster than that by Feo. The reduction of all the contaminants in mixed waste was found to be slower than in the individual experiments, but the difference was most significant in the 2,4-DNT reduction. This observation indicates that there may be a possibility of competition for reactive sites among the contaminants and precipitation resulting from CR(VI) reduction may coat iron surfaces, which may ultimately slow the whole zero valent metals (ZVMS) treatment process in remediating mixed waste sites. The 20 mg/L of CR(VI) was reduced below detection limits in 10 hours by Fe' and in 1.5 hours by the same amount of Pd/Fe' in individual experiment. An initial concentration of 20 mg/L of TCE was reduced below detection limits in 72 hours by Pd/Fe' whereas only 62% of TCE was reduced by the same amount of Fe' in 144 hours in individual experiment. The reaction orders of 1.84 and 2.04 for total TCE loss alone and in mixed waste by Fe' indicates that the reaction mechanisms are complex. The reduction of 72 mg/L of 2,4-DNT proceeded to below detection limits within 3 hours by both Fe' and Pd/Feo. The only product observed in the reduction of 2,4-DNT was 2,4-diaminotoluene (2,4-DAT). The 2,4-DAT produced accounted for 83-100% and only 42-54% of the initial mass of 2@4.DNT under anaerobic and aerobic conditions respectively. Since no degradation of 2,4-DAT alone occurred, these results indicate the possibility of other intermediates or products formation under aerobic conditions. Overall, the results demonstrated the potential application of ZVMs in reducing mixed wastes containing both inorganic and organic contaminant interactions before implementing a ZVMs treatment system, which may help in designing a proper remedial system.

Malla, Deepak Babu

1997-01-01T23:59:59.000Z

346

Versatile and Biomass Synthesis of Iron-based Nanoparticles Supported on Carbon Matrix with High Iron Content and Tunable Reactivity  

SciTech Connect

Iron-based nanoparticles supported on carbon (FeNPs{at}C) have enormous potential for environmental applications. Reported is a biomass-based method for FeNP{at}C synthesis that involves pyrolysis of bleached wood fiber pre-mixed with Fe{sub 3}O{sub 4} nanoparticles. This method allows synthesis of iron-based nanoparticles with tunable chemical reactivity by changing the pyrolysis temperature. The FeNP{at}C synthesized at a pyrolysis temperature of 500 C (FeNP{at}C-500) reacts violently (pyrophoric) when exposed to air, while FeNP{at}C prepared at 800 C (FeNP{at}C-800) remains stable in ambient condition for at least 3 months. The FeNPs in FeNP{at}C-800 are mostly below 50 nm in diameter and are surrounded by carbon. The immediate carbon layer (within 5-15 nm radius) on the FeNPs is graphitized. Proof-of-concept environmental applications of FeNPs{at}C-800 were demonstrated by Rhodamine 6G and arsenate (V) removal from water. This biomass-based method provides an effective way for iron-based nanoparticle fabrication and biomass utilization.

Zhang, Dongmao [ORNL; Shi, Sheldon Q [ORNL; Jiang, Dongping [Mississippi State University (MSU); Che, Wen [Mississippi State University (MSU); Gai, Zheng [ORNL; Howe, Jane Y [ORNL; More, Karren Leslie [ORNL; Arockiasamy, Antonyraj [Mississippi State University (MSU)

2012-01-01T23:59:59.000Z

347

Improved vortex reactor system  

DOE Patents (OSTI)

An improved vortex reactor system for affecting fast pyrolysis of biomass and Refuse Derived Fuel (RDF) feed materials comprising: a vortex reactor having its axis vertically disposed in relation to a jet of a horizontally disposed steam ejector that impels feed materials from a feeder and solids from a recycle loop along with a motive gas into a top part of said reactor.

Diebold, James P. (Lakewood, CO); Scahill, John W. (Evergreen, CO)

1995-01-01T23:59:59.000Z

348

Solvent Tuning of Properties of Iron-Sulfur Clusters in Proteins  

NLE Websites -- All DOE Office Websites (Extended Search)

Solvent Tuning of Properties of Solvent Tuning of Properties of Iron-Sulfur Clusters in Proteins Figure 1. Schematic repre-sentation of the common active-site iron-sulfur cluster structural motif. Proteins containing Fe4S4 iron-sulfur clusters are ubiquitous in nature and catalyze one-electron transfer processes. These proteins have evolved into two classes that have large differences in their electrochemical potentials: high potential iron-sulfur proteins (HiPIPs) and bacterial ferredoxins (Fds). The role of the surrounding protein environment in tuning the redox potential of these iron sulfur clusters has been a persistent puzzle in biological electron transfer [1]. Although HiPIPs and Fds have the same iron sulfur structural motif - a cubane-type structure - (Figure 1), there are large differences in their electrochemical

349

Laboratory study related to the production and properties of pig iron nuggets  

SciTech Connect

Pig iron nuggets were produced in a laboratory-scale furnace at Michigan Technological University. The process was intended to replicate Kobe Steel's ITmk3 direct ironmaking process. These nuggets were produced from pellets that were made from a mixture of iron oxide, coal, flux and a binder and heated in a furnace with a chamber temperature of 1450{sup o}C. The pellets then self-reduced to produce a solid, high-density, highly metallized (96.5% Fe) pig iron. During the nugget production process, a separate liquid slag phase formed that cleanly separated from the molten metal. The physical and chemical properties of the pig iron nuggets were similar to pig iron produced by blast furnaces, which is distinct from direct reduced iron (DRI).

Anameric, B.; Kawatra, S.K. [Michigan Technological University, Houghton, MI (United States). Dept. for Chemical Engineering

2006-02-15T23:59:59.000Z

350

Dispersivity Testing of Zero-Valent Iron Treatment Cells: Monticello, Utah,  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Dispersivity Testing of Zero-Valent Iron Treatment Cells: Dispersivity Testing of Zero-Valent Iron Treatment Cells: Monticello, Utah, November 2005 Through February 2008 Dispersivity Testing of Zero-Valent Iron Treatment Cells: Monticello, Utah, November 2005 Through February 2008 Dispersivity Testing of Zero-Valent Iron Treatment Cells: Monticello, Utah, November 2005 Through February 2008 Dispersivity Testing of Zero-Valent Iron Treatment Cells: Monticello, Utah, November 2005 Through February 2008 More Documents & Publications Final Report Phase II: Performance Evaluation of Permeable Reactive Barriers and Potential for Rejuvenation by Chemical Flushing Phase II: Performance Evaluation of Permeable Reactive Barriers and Potential for Rejuvenation by Chemical Flushing Third (March 2006) Coring and Analysis of Zero-Valent Iron Permeable

351

Assessment of Energy Efficiency Improvement  

NLE Websites -- All DOE Office Websites (Extended Search)

Iron and Steel Industry in China Iron and Steel Industry in China Ali Hasanbeigi, William Morrow, Jayant Sathaye, Eric Masanet, Tengfang Xu Energy Analysis and Environmental Impacts Department, Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, Berkeley, CA USA July 2012 This study is sponsored by Climate Economics Branch, Climate Change Division of U.S. Environmental Protection Agency, under Contract No. DE- AC02-05CH11231 with the U.S. Department of Energy. ERNEST ORLANDO LAWRENCE BERKELEY NATIONAL LABORATORY LBNL-5535E Disclaimer This document was prepared as an account of work sponsored by the United States Government. While this document is believed to contain correct information, neither the United States Government nor any agency thereof, nor The Regents of the University of

352

Enzymes of respiratory iron oxidation. Progress report, March 1990--June 1992  

DOE Green Energy (OSTI)

This report describes experimental progress in characterizing and identifying redox proteins in a number of iron-oxidizing bacteria. Sections of the paper are entitled (1) In Situ electrolysis was explored to achieve enhanced yields of iron-oxidizing bacteria, (2)Structure/function studies were performed on redox-active biomolecules from Thiobacillus ferrooxidans, (3) Novel redox-active biomolecules were demonstrated in other iron autotrophs, and (4) New probes of metalloprotein electron-transfer reactions were synthesized and characterized.

Blake, R. II

1992-12-31T23:59:59.000Z

353

Iron-Carbon Phase Diagram: A Century at Variance with Chemical ...  

Science Conference Proceedings (OSTI)

Abstract Scope, For about a century thermodynamically absurd facts have been propagated in conjunction with the iron-carbon phase diagram. These facts ...

354

Reduction of soot emissions by iron pentacarbonyl in isooctane diffusion flames  

Science Conference Proceedings (OSTI)

Light-scattering measurements, in situ laser-induced fluorescence, and thermophoretic sampling with transmission electron microscopy (TEM) analysis, were performed in laboratory isooctane diffusion flames seeded with 4000 ppm iron pentacarbonyl. These measurements allowed the determination of the evolution of the size, number density, and volume fraction of soot particles through the flame. Comparison to unseeded flame data provided a detailed assessment of the effects of iron addition on soot particle inception, growth, and oxidation processes. Iron was found to produce a minor soot-enhancing effect at early residence times, while subsequent soot particle growth was largely unaffected. It is concluded that primarily elemental iron is incorporated within the soot particles during particle inception and growth. However, iron addition was found to enhance the rate of soot oxidation during the soot burnout regime, yielding a two-thirds reduction in overall soot emissions. In situ spectroscopic measurements probed the transient nature of elemental iron throughout the flame, revealing significant loss of elemental iron, presumably to iron oxides, with increasing flame residence, suggesting catalysis of soot oxidation via iron oxide species. (author)

Kim, K.B.; Masiello, K.A.; Hahn, D.W. [Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL 32611 (United States)

2008-07-15T23:59:59.000Z

355

Effect of PCI blending on combustion characteristics for iron-making.  

E-Print Network (OSTI)

??The PCI technology is well established for reducing the consumption of economic and environmentally expensive coke in blast furnace iron-making. Often, coal blends show unexpected… (more)

Gill, Trilochan Singh

2009-01-01T23:59:59.000Z

356

Impacts of increasing anthropogenic soluble iron and nitrogen deposition on ocean biogeochemistry  

E-Print Network (OSTI)

and sulfur deposition on ocean acidification and thethe tropical North Atlantic Ocean, J. Geophys. Res. , 105,and iron inputs to the ocean, Global Biogeochem. Cycles, 19,

2009-01-01T23:59:59.000Z

357

Sticking of Iron Ore Pellets in Direct Reduction with Coal Gas  

Science Conference Proceedings (OSTI)

Abstract Scope, A series of reduction experiments of iron ore pellets with coal gasification gas were carried out in a laboratory scale shaft furnace. The sticking

358

Mathematical Modeling for Developing Iron Bath Reactor with H2-C ...  

Science Conference Proceedings (OSTI)

After dispersion treatment with Control-Volume-Method, the whole model was ... Iron Removal from Titanium Ore Through Selective Chlorination and Its ...

359

Method for the Production of Mineral Wool andIron from ...  

Method for the Production of Mineral Wool and Iron from Serpentine Ore Overview This invention discloses a method to fabricate a product that has the potential

360

ESS 2012 Peer Review - Iron-Air Rechargeable Battery for Grid...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

A Robust and Inexpensive Iron-Air Rechargeable Battery for Grid-Scale Energy Storage Lead: University of Southern California, Loker Hydrocarbon Research Institute Sub-Awardee: Jet...

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Theory of spin-fluctuation induced superconductivity in iron-based superconductors.  

E-Print Network (OSTI)

??In this dissertation we focus on the investigation of the pairing mechanism in the recently discovered high-temperature superconductor, iron pnictides. Due to the proximity to… (more)

Zhang, Junhua

2011-01-01T23:59:59.000Z

362

Preservation of iron(II) by carbon-rich matrices in a hydrothermal plume  

SciTech Connect

Hydrothermal venting associated with mid-ocean ridge volcanism is globally widespread. This venting is responsible for a dissolved iron flux to the ocean that is approximately equal to that associated with continental riverine runoff. For hydrothermal fluxes, it has long been assumed that most of the iron entering the oceans is precipitated in inorganic forms. However, the possibility of globally significant fluxes of iron escaping these mass precipitation events and entering open-ocean cycles is now being debated, and two recent studies suggest that dissolved organic ligands might influence the fate of hydrothermally vented metals. Here we present spectromicroscopic measurements of iron and carbon in hydrothermal plume particles at the East Pacific Rise mid-ocean ridge. We show that organic carbon-rich matrices, containing evenly dispersed iron(II)-rich materials, are pervasive in hydrothermal plume particles. The absence of discrete iron(II) particles suggests that the carbon and iron associate through sorption or complexation. We suggest that these carbon matrices stabilize iron(II) released from hydrothermal vents in the region, preventing its oxidation and/or precipitation as insoluble minerals. Our findings have implications for deep-sea biogeochemical cycling of iron, a widely recognized limiting nutrient in the oceans.

Toner, Brandy M.; Fakra, Sirine C.; Manganini, Steven J.; Santelli, Cara M.; Marcus, Matthew A.; Moffett, James W.; Rouxel, Olivier; German, Christopher R.; Edwards, Katrina J.

2008-09-20T23:59:59.000Z

363

Iron Works Advance 1750-1910 in Central Canada, Contrasted With ...  

Science Conference Proceedings (OSTI)

... center for Central Canada, based on local pig iron and on WI imports (later, .... of Special-shape Tundish with Gas Curtain, Retaining Wall and Retaining Dam.

364

NERSC User Group 2013 Big Bang, Big Data, Big Iron Planck Satellite...  

NLE Websites -- All DOE Office Websites (Extended Search)

User Group 2013 Big Bang, Big Data, Big Iron Planck Satellite Data Analysis At NERSC Julian Borrill Computational Cosmology Center, Berkeley Lab & Space Sciences Laboratory, UC...

365

Anisotropy of the Fracture Behaviour of Severly Deformed Iron and a ...  

Science Conference Proceedings (OSTI)

Anisotropy of the Fracture Behaviour of Severly Deformed Iron and a Pearlitic Rail Steel · Atom Probe Tomography: A New Insight into the Partition and ...

366

Visualization at Supercomputing Centers: The Tale of Little Big Iron and the Three Skinny Guys  

SciTech Connect

Supercomputing centers are unique resources that aim to enable scientific knowledge discovery by employing large computational resources - the 'Big Iron.' Design, acquisition, installation, and management of the Big Iron are carefully planned and monitored. Because these Big Iron systems produce a tsunami of data, it's natural to colocate the visualization and analysis infrastructure. This infrastructure consists of hardware (Little Iron) and staff (Skinny Guys). Our collective experience suggests that design, acquisition, installation, and management of the Little Iron and Skinny Guys doesn't receive the same level of treatment as that of the Big Iron. This article explores the following questions about the Little Iron: How should we size the Little Iron to adequately support visualization and analysis of data coming off the Big Iron? What sort of capabilities must it have? Related questions concern the size of visualization support staff: How big should a visualization program be - that is, how many Skinny Guys should it have? What should the staff do? How much of the visualization should be provided as a support service, and how much should applications scientists be expected to do on their own?

Bethel, E Wes [Lawrence Berkeley National Laboratory (LBNL); Brugger, Eric [Lawrence Livermore National Laboratory (LLNL)

2011-01-01T23:59:59.000Z

367

Operations Improvement Surveys  

E-Print Network (OSTI)

Exxon Chemical Company developed unique site-wide energy optimization technology in the mid1970's. This technology was applied by means of site energy surveys which were carried out at every major Exxon facility throughout the world during the 1976-1981 timeframe. The first 20% of energy savings, versus the 1972 reference, had already been captured or was in progress via conventional energy conservation methods. The site energy surveys identified attractive investments to save a second 20% of energy use. In early 1982, Exxon Corp. started to apply this same technology to its major facilities to define attractive NO INVESTMENT and LOW INVESTMENT operational improvement savings which could be implemented quickly. This presentation covers Exxon's approach to site energy optimization and the Operations Improvement Survey Program. The Program has identified at many sites, an average of 5% reduction in today's energy costs at No/Low investment plus additional savings in the feedstock and energy supply areas.

Guide, J. J.; O'Brien, W. J.

1984-01-01T23:59:59.000Z

368

Improved solar heating systems  

DOE Patents (OSTI)

An improved solar heating system is described in which the incident radiation of the sun is absorbed on collector panels, transferred to a storage unit and then distributed as heat for a building and the like. The improvement is obtained by utilizing a storage unit comprising separate compartments containing an array of materials having different melting points ranging from 75 to 180/sup 0/F. The materials in the storage system are melted in accordance with the amount of heat absorbed from the sun and then transferred to the storage system. An efficient low volume storage system is provided by utilizing the latent heat of fusion of the materials as they change states in storing ad releasing heat for distribution.

Schreyer, J.M.; Dorsey, G.F.

1980-05-16T23:59:59.000Z

369

Improved collecting apparatus  

DOE Patents (OSTI)

An improved collecting apparatus for small aquatic or airborne organisms such as plankton, larval fish, insects, etc. The improvement constitutes an apertured removal container within which is retained a collecting bag, and which is secured at the apex of a conical collecting net. Such collectors are towed behind a vessel or vehicle with the open end of the conical net facing forward for trapping the aquatic or airborne organisms within the collecting bag, while allowing the water or air to pass through the apertures in the container. The container is readily removable from the collecting net whereby the collecting bag can be quickly removed and replaced for further sample collection. The collecting bag is provided with means for preventing the bag from being pulled into the container by the water or air following therethrough.

Duncan, C.P.

1981-03-05T23:59:59.000Z

370

Improving PPM Using Dictionaries  

E-Print Network (OSTI)

We propose a method to improve traditional character-based PPM text compression algorithms. Consider a text file as a sequence of alternating words and non-words, the basic idea of our algorithm is to encode non-words and prefixes of words using character-based context models and encode suffixes of words using dictionary models. By using dictionary models, the algorithm can encode multiple characters as a whole, and thus enhance the compression efficiency. The advantages of the proposed algorithm are: 1) it does not require any text preprocessing; 2) it does not need any explicit codeword to identify switch between context and dictionary models; 3) it can be applied to any character-based PPM algorithms without incurring much additional computational cost. Test results show that significant improvements can be obtained over character-based PPM, especially in low order cases.

Hu, Yichuan; Zhang,; Khan, Farooq; Li, Ying

2010-01-01T23:59:59.000Z

371

Membranes Improve Insulation Efficiency  

E-Print Network (OSTI)

It has been determined from extensive tests involving test models and home attics that loose fill and fiber batt insulation does not function as expected by the industry. The reason for this deficiency is current test methods do not accurately predict the magnitude of air infiltration into fiber insulation as used in home attics, radiant heat infiltration into the insulation during summer, or radiant heat loss through the insulation during winter conditions. The use of (1) moisture permeable membranes over the insulation, and (2) layered membranes between fiber batts to form closed cells in the insulation both dramatically improve the efficiency of the fiber insulation. The efficiency of this insulation will be improved to an even greater degree if these membranes reflect radiant heat as well as reduce convection air currents. Extensive tests have also been conducted which show that if moisture permeable membranes are used over fiber insulation, the moisture content of the insulation will be reduced.

Bullock, C. A.

1986-01-01T23:59:59.000Z

372

Improving Floating Point Compression  

NLE Websites -- All DOE Office Websites (Extended Search)

Improving Improving Floating Point Compression through Binary Masks Leonardo A. Bautista Gomez Argonne National Laboratory Franck Cappello Argonne National Laboratory Abstract-Modern scientific technology such as particle accel- erators, telescopes and supercomputers are producing extremely large amounts of data. That scientific data needs to be processed using systems with high computational capabilities such as supercomputers. Given that the scientific data is increasing in size at an exponential rate, storing and accessing the data is becoming expensive in both, time and space. Most of this scientific data is stored using floating point representation. Scientific applications executed in supercomputers spend a large amount of CPU cycles reading and writing floating point values, making data compression techniques an interesting way to increase computing efficiency.

373

IMPROVEMENTS IN POWER PLANT  

SciTech Connect

A power plant for nuclear reactors is designed for improved cycle efficiency. In addition to the usual heat exchanger for heat transfer from gaseous reactor coolant to water for vaporization, a second heat exchanger is provided between the first heat exchanger and a point betwveen the intermediate- pressure and low-pressure turbine stages. In this way, interstage reheating of the steam is obtained without passage of the steam back to the first heat exchanger. (D.L.C.) Research Reactors

Peters, M.C.

1961-10-11T23:59:59.000Z

374

Improved vortex reactor system  

DOE Patents (OSTI)

An improved vortex reactor system is described for affecting fast pyrolysis of biomass and Refuse Derived Fuel (RDF) feed materials comprising: a vortex reactor having its axis vertically disposed in relation to a jet of a horizontally disposed steam ejector that impels feed materials from a feeder and solids from a recycle loop along with a motive gas into a top part of said reactor. 12 figs.

Diebold, J.P.; Scahill, J.W.

1995-05-09T23:59:59.000Z

375

NETL: Power Plant Improvement Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

PPII Major Demonstrations Power Plant Improvement Initiative (PPII) The Power Plant Improvement Initiative (PPII) was established in October 2000 to further the commercial-scale...

376

Phosphate influences cycling of iron and carbon in the environment |  

NLE Websites -- All DOE Office Websites (Extended Search)

Science Science Computing, Environment & Life Sciences Energy Engineering & Systems Analysis Photon Sciences Physical Sciences & Engineering Energy Frontier Research Centers Science Highlights Postdoctoral Researchers Phosphate influences cycling of iron and carbon in the environment August 30, 2013 Tweet EmailPrint Aquatic and terrestrial environments are dynamic systems where coupled microbiological, geochemical, and hydrological processes define the complex interactions that drive the biogeochemical cycling of water and the major and minor elements. Therefore, a thorough understanding of these complex interactions is critical for predicting the biogeochemical cycling of carbon, nutrients, heavy metals, radionuclides, and other contaminants; managing water quality; and understanding the interactions between

377

Chemistry and Electronic Structure of Iron-Based Superconductors  

Science Conference Proceedings (OSTI)

The solid state provides a richly varied fabric for intertwining chemical bonding, electronic structure, and magnetism. The discovery of superconductivity in iron pnictides and chalcogenides has revealed new aspects of this interplay, especially involving magnetism and superconductivity. Moreover, it has challenged prior thinking about high-temperature superconductivity by providing a set of materials that differ in many crucial aspects from the previously known cuprate superconductors. Here we review some of what is known about the superconductivity and its interplay with magnetism, chemistry, and electronic structure in Fe-based superconductors.

Safa-Sefat, Athena [ORNL; Singh, David J [ORNL

2011-01-01T23:59:59.000Z

378

NONEQUILIBRIUM FLUCTUATIONS IN SHOCK COMPRESSION OF POLYCRYSTALLINE ALPHA-IRON  

Science Conference Proceedings (OSTI)

We report a numerical study of heterogeneous and nonequilibrium fluctuations in shock compression of {alpha}-iron at the grain level. A quasi-molecular code called DM2 is used to model the interactions of a plane shock wave with grain boundaries and crystal anisotropy over the pressure range of 5-45 GPa. Highly transient eddies that were reported earlier are again observed. We show new features through an elementary statistical analysis. They are (1) a characteristic decay constant for the non-equilibrium fluctuation on the order of 20ns, (2) a resonance phenomenon at an intermediate shock pressure, and (3) a more uniform shock structure for very high pressures.

Y. HORIE; K. YANO

2001-06-01T23:59:59.000Z

379

Feedwater Iron Optimization: Quad Cities Generating Station Unit 1  

Science Conference Proceedings (OSTI)

EPRI's BWR Water Chemistry Guidelines 2004 Revisions (report 1008192) recommends feedwater iron control in the range of 0.1 ppb 1.0 ppb for plants operating with reducing chemistry conditions for intergranular stress corrosion cracking (IGSCC) mitigation. Since all U.S. plants now operate under moderate hydrogen water chemistry (HWC-M) or noble metals chemical addition and hydrogen water chemistry (NMCA+HWC), it is appropriate to target the lower end of the range (0.1 0.5 ppb) to minimize zinc requiremen...

2008-08-18T23:59:59.000Z

380

New iron catalyst for preparation of polymethylene from synthesis gas  

DOE Patents (OSTI)

This invention relates to a process for synthesizing hydrocarbons; more particularly, the invention relates to a process for synthesizing long-chain hydrocarbons known as polymethylene from carbon monoxide and hydrogen or from carbon monoxide and water or mixtures thereof in the presence of a catalyst comprising iron and platinum or palladium or mixtures thereof which may be supported on a solid material, preferably an inorganic refractory oxide. This process may be used to convert a carbon monoxide containing gas to a product which could substitute for high density polyethylene.

Sapienza, R.S.; Slegeir, W.A.

1988-03-31T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Iron Fertilization of the Southern Ocean: Regional Simulation and Analysis of C-Sequestration in the Ross Sea  

SciTech Connect

A modified version of the dynamic 3-dimensional mesoscale Coupled Ice, Atmosphere, and Ocean model (CIAO) of the Ross Sea ecosystem has been used to simulate the impact of environmental perturbations upon primary production and biogenic CO2 uptake. The Ross Sea supports two taxonomically, and spatially distinct phytoplankton populations; the haptophyte Phaeocystis antarctica and diatoms. Nutrient utilization ratios predict that P. antarctica and diatoms will be driven to nitrate and phosphate limitation, respectively. Model and field data have confirmed that the Ross Sea is iron limited with only two-thirds of the macronutrients consumed by the phytoplankton by the end of the growing season. In this study, the CIAO model was improved to simulate a third macronutrient (phosphate), dissolved organic carbon, air-sea gas exchange, and the carbonate system. This enabled us to effectively model pCO2 and subsequently oceanic CO2 uptake via gas exchange, allowing investigations into the affect of alleviating iron limitation on both pCO2 and nutrient drawdown.

Kevin Arrigo

2012-03-13T23:59:59.000Z

382

Effect of temperature and iron-oxide nano-particle inclusions on the ultrasound vaporization pressure of perfluorocarbon droplets for disease detection and therapy  

E-Print Network (OSTI)

Temperature and Iron-Oxide Nano-particle inclusions on the22 1.9.1 Why Iron-Oxide NanoTemperature and Iron-Oxide Nano-particle inclusions on the

Amirriazi, Seyed Saleh

2009-01-01T23:59:59.000Z

383

Improved cycling cryopump  

DOE Patents (OSTI)

The present invention is designed to achieve continuous high efficiency cryopumping of a vacuum vessel by improving upon and combining in a novel way the cryopumping in a novel way the cryopumping methods. The invention consists of a continuous operation cryopump, with movable louvres, with a high efficiency pumping apparatus. The pumping apparatus includes three cryogenic tubes. They are constructed of a substance of high thermal conductivity, such as aluminum and their exterior surfaces are cryogenic condensing surfaces. Through their interior liquid or gaseous helium from two reservoirs can be made to flow, alternately promoting extreme cooling or allowing some warming.

Batzer, T.H.; Call, W.R.

1984-12-04T23:59:59.000Z

384

Polymer flood filtration improvement  

Science Conference Proceedings (OSTI)

A process of recovery of hydrocarbons from a subterranean formation (wherein an aqueous liquid is injected into an injection well and hydrocarbons are produced from a production well, wherein at least a portion of the aqueous liquid is thickened with an organic polymer, and wherein an aqueous mixture containing the organic polymer is filtered prior to injection of the polymer) is affected by adding an amount of a surfactant to the aqueous mixture containing the polymer prior to filtration and sufficient to improve filterability. Filterability is further enhanced by addition of an ethoxylated alcohol surfactant and/or an alcohol. 6 claims.

Ferrell, H.H.; Conley, D.; Casad, B.M.; Stokke, O.M.

1980-07-15T23:59:59.000Z

385

Improved ion source  

DOE Patents (OSTI)

A magnetic filter for an ion source reduces the production of undesired ion species and improves the ion beam quality. High-energy ionizing electrons are confined by the magnetic filter to an ion source region, where the high-energy electrons ionize gas molecules. One embodiment of the magnetic filter uses permanent magnets oriented to establish a magnetic field transverse to the direction of travel of ions from the ion source region to the ion extraction region. In another embodiment, low energy 16 eV electrons are injected into the ion source to dissociate gas molecules and undesired ion species into desired ion species,

Leung, K.N.; Ehlers, K.W.

1982-05-04T23:59:59.000Z

386

Improved ion detector  

DOE Patents (OSTI)

An improved ion detector device of the ionization detection device chamber type comprises an ionization chamber having a central electrode therein surrounded by a cylindrical electrode member within the chamber with a collar frictionally fitted around at least one of the electrodes. The collar has electrical contact means carried in an annular groove in an inner bore of the collar to contact the outer surface of the electrode to provide electrical contact between an external terminal and the electrode without the need to solder leads to the electrode.

Tullis, A.M.

1986-01-30T23:59:59.000Z

387

Metallo-carbohedrenes. Chromium, iron, and molybdenum analogues  

Science Conference Proceedings (OSTI)

The formation of especially stable metal-carbon clusters, which have been designated metallo-carbohedrenes by Castleman and co-workers, has previously been reported for the early transition metals (Ti, Zr, Hf, V). Clusters having the formula M[sub 8]C[sub 12] were recognized as especially stable species which were formed in plasmas containing the metal and a carbon-containing precursor. A similar laser induced plasma technique is employed to synthesize chromium, molybdenum, and iron analogues of these so-called [open quotes]met-cars[close quotes] clusters and to study their photodissociation behavior. These observations suggest that met-cars cluster formation is a more general phenomenon than previously recognized. While chromium and molybdenum form the [open quotes]super-magic[close quotes] 8/12 stochiometry efficiently, met-cars formation competes with other special stoichiometries in the iron clusters. Implications for the bonding properties in met-cars systems are discussed. 22 refs., 5 figs.

Pilgrim, J.S.; Duncan, M.A. (Univ. of Georgia, Athens (United States))

1993-07-28T23:59:59.000Z

388

Deactivation by carbon of iron catalysts for indirect liquefaction  

DOE Green Energy (OSTI)

This report describes recent progress in a fundamental, three-year investigation of carbon formation and its effects on the activity and selectivity of promoted iron catalysts for Fischer-Tropsch (FT) synthesis, the objectives of which are: determine rates and mechanisms of carbon deactivation of unsupported Fe and Fe/K catalysts during CO hydrogenation over a range of CO concentrations, CO:H{sub 2} ratios, and temperatures; model the rates of deactivation of the same catalysts in fixed-bed reactors. During the thirteenth quarter design of software for a computer-automated reactor system to be used in the kinetic and deactivation studies was continued. Further progress was made toward the completion of the control language, control routines, and software for operating this system. Progress was also made on the testing of the system hardware and software. H{sub 2} chemisorption capacities and activity selectivity data were also measured for three iron catalysts promoted with 1% alumina. 47 refs., 8 figs., 1 tab.

Bartholomew, C.H.

1990-10-11T23:59:59.000Z

389

Calculated power output from a thin iron-seeded plasma  

DOE Green Energy (OSTI)

Ionization equilibrium calculations are carried out for iron ions at a density of 10/sup 12/ cm/sup -3/ in a (hydrogen) plasma with electron density 10/sup 14/ cm/sup -3/, at temperatures from 0.8 to 10 keV. The computed radiated power loss from this plasma due to the iron ions ranges from about 4 W/cm/sup 3/ at the lowest temperature to about 0.4 W/cm/sup 3/ at the highest temperature; loss rates for other electron and ion densities will scale approximately as N/sub e/N/sub Fe/10/sup 26/. The losses are due principally to collisionally excited line radiation (especially ..delta..n = 0 transitions) at low temperatures, and to collisionally excited ..delta..n not equal to 0 transitions and to continuum radiative recombination at high temperatures. Spectra are also computed for diagnostic x-ray K/sub ..cap alpha../ (1s - 2p) transitions; the change in spectral distribution as a function of temperature agrees well with observations in the ST Tokamak. Bound-bound radiative transitions and dielectronic recombination are discussed at length in appendices; the latter process is of great importance in the establishment of ionization equilibrium, and in the excitation of K/sub ..cap alpha../ radiation at the lower temperatures.

Merts, A.L.; Cowan, R.D.; Magee, N.H. Jr.

1976-02-01T23:59:59.000Z

390

Technology development for iron Fischer-Tropsch catalysts  

DOE Green Energy (OSTI)

Objectives are to develop active, stable iron Fischer-Tropsch catalysts for use in slurry-phase synthesis reactors and to develop a scaleup procedure for large-scale synthesis of such catalysts for process development and long-term testing in slurry bubble-column reactors. For a H[sub 2]-CO in molar ratio of 0.5 to 1.0, catalyst performance target is 88% CO+H[sub 2] conversion at a minimum space velocity of 2.4 NL/hr/gFe, with no more than 4% methane/ethane selectivity and 1% conversion loss per week. During this period, it was found that the performance of the slurry-phase iron and copper oxide-based catalyst depends on the amount of K. Five catalysts with differing K contents were studied. The catalysts with the lowest K were more active than the ones with higher K levels. The one with the middle K level was judged best.

Frame, R.R.

1991-01-01T23:59:59.000Z

391

TECHNOLOGY DEVELOPMENT FOR IRON FISCHER-TROPSCH CATALYSIS  

DOE Green Energy (OSTI)

The goal of the proposed work is the development of iron-based Fischer-Tropsch catalysts that combined high activity, selectivity and life with physical robustness for slurry phase reactors that will produce either low-alpha or high-alpha products. The catalyst that is developed will be suitable for testing at the Advanced Fuels Development Facility at LaPorte, Texas or similar sized plant. Previous work by the offeror has produced a catalyst formulation that is 1.5 times as active as the ''standard-catalyst'' developed by German workers for slurry phase synthesis. The proposed work will optimize the catalyst composition and pretreatment operation for this low-alpha catalyst. In parallel, work will be conducted to design a high-alpha iron catalyst that is suitable for slurry phase synthesis. Studies will be conducted to define the chemical phases present at various stages of the pretreatment and synthesis stages and to define the course of these changes. The oxidation/reduction cycles that are anticipated to occur in large, commercial reactors will be studied at the laboratory scale. Catalyst performance will be determined for catalysts synthesized in this program for activity, selectivity and aging characteristics.

Burtron H. Davis

1998-04-01T23:59:59.000Z

392

Technology development for iron fischer-tropsch catalysis  

SciTech Connect

The goal of the proposed work is the development of iron-based Fischer-Tropsch catalysts that combined high activity, selectivity and life with physical robustness for slurry phase reactors that will produce either low-alpha or high-alpha products. The catalyst that is developed will be suitable for testing at the Advanced Fuels Development Facility at LaPorte, Texas or similar sized plant. Previous work by the offeror has produced a catalyst formulation that is 1.5 times as active as the `standard-catalyst` developed by German workers for slurry phase synthesis. The proposed work will optimize the catalyst composition and pretreatment operation for this low- alpha catalyst. In parallel, work will be conducted to design a high- alpha iron catalyst that is suitable for slurry phase synthesis. Studies will be conducted to define the chemical phases present at various stages of the pretreatment and synthesis stages and to define the course of these changes. The oxidation/reduction cycles that are anticipated to occur in large, commercial reactors will be studied at the laboratory scale. Catalyst performance will be determined for 5 catalysts synthesized in this program for activity, selectivity and aging characteristics.

Davis, B.H.

1997-05-14T23:59:59.000Z

393

Technology development for iron fisher-tropsch catalysis  

SciTech Connect

The goal of the proposed work is the development of iron-based Fischer-Tropsch catalysts that combined high activity, selectivity and life with physical robustness for slurry phase reactors that will produce either low-alpha or high-alpha products. the catalyst that is developed will be suitable for testing at the Advanced Fuels Development Facility at LaPorte, Texas or similar sized plant. Previous work by the offeror has produced a catalyst formulation that is 1.5 times as active as the standard-catalyst developed by German workers for slurry phase synthesis, The proposed work will optimize the catalyst composition and pretreatment operation for this low-alpha catalyst. In parallel, work will be conducted to design a high-alpha iron catalyst that is suitable for slurry phase synthesis. Studies will be conducted to define the chemical phases present at various stages of the pretreatment and synthesis stages and to define the course of these changes. the oxidation/reduction cycles that are anticipated to occur in large, commercial reactors will be studies at the laboratory scale. Catalyst performance will be determined for catalysts synthesized in this program for activity, selectivity, and aging characteristics.

Davis, B.H.

1997-07-15T23:59:59.000Z

394

Discharge model for the lithium iron-phosphate electrode  

DOE Green Energy (OSTI)

This paper develops a mathematical model for lithium intercalation and phase change in an iron phosphate-based lithium-ion cell in order to understand the cause for the low power capability of the material. The juxtaposition of the two phases is assumed to be in the form of a shrinking core, where a shell of one phase covers a core of the second phase. Diffusion of lithium through the shell and the movement of the phase interface are described and incorporated into a porous electrode model consisting of two different particle sizes. Open-circuit measurements are used to estimate the composition ranges of the single-phase region. Model-experimental comparisons under constant current show that ohmic drops in the matrix phase, contact resistances between the current collector and the porous matrix, and transport limitations in the iron phosphate particle limit the power capability of the cells. Various design options, consisting of decreasing the ohmic drops, using smaller particles, and substituting the liquid electrolyte by a gel are explored, and their relative importance discussed. The model developed in this paper can be used as a means of optimizing the cell design to suit a particular application.

Srinivasan, Venkat; Newman, John

2004-02-28T23:59:59.000Z

395

Kiel Policy Brief Ocean Iron Fertilization: An Option for Mitigating Climate Change?  

E-Print Network (OSTI)

The world is very likely to experience a range of adverse climate change impacts in the coming decades and ocean iron fertilization is discussed as one measure to contribute to the mitigation of these impacts. Ocean iron fertilization aims at stimulating phytoplankton growth in certain parts of the ocean, thus enhancing oceanic CO2 uptake and reducing atmospheric CO2 concentrations.

Christine Bertram

2009-01-01T23:59:59.000Z

396

Spectral induced polarization and electrodic potential monitoring of microbially mediated iron sulfide transformations  

Science Conference Proceedings (OSTI)

Stimulated sulfate-reduction is a bioremediation technique utilized for the sequestration of heavy metals in the subsurface.We performed laboratory column experiments to investigate the geoelectrical response of iron sulfide transformations by Desulfo vibriovulgaris. Two geoelectrical methods, (1) spectral induced polarization (SIP), and (2) electrodic potential measurements, were investigated. Aqueous geochemistry (sulfate, lactate, sulfide, and acetate), observations of precipitates (identified from electron microscopy as iron sulfide), and electrodic potentials on bisulfide ion (HS) sensitive silver-silver chloride (Ag-AgCl) electrodes (630 mV) were diagnostic of induced transitions between an aerobic iron sulfide forming conditions and aerobic conditions promoting iron sulfide dissolution. The SIP data showed 10m rad anomalies during iron sulfide mineralization accompanying microbial activity under an anaerobic transition. These anomalies disappeared during iron sulfide dissolution under the subsequent aerobic transition. SIP model parameters based on a Cole-Cole relaxation model of the polarization at the mineral-fluid interface were converted to (1) estimated biomineral surface area to pore volume (Sp), and (2) an equivalent polarizable sphere diameter (d) controlling the relaxation time. The temporal variation in these model parameters is consistent with filling and emptying of pores by iron sulfide biofilms, as the system transitions between anaerobic (pore filling) and aerobic (pore emptying) conditions. The results suggest that combined SIP and electrodic potential measurements might be used to monitor spatiotemporal variability in microbial iron sulfide transformations in the field.

Hubbard, Susan; Personna, Y.R.; Ntarlagiannis, D.; Slater, L.; Yee, N.; O'Brien, M.; Hubbard, S.

2008-02-15T23:59:59.000Z

397

GLASSES CONTAINING IRON (II III) OXIDES FOR IMMOBILIZATION OF RADIOACTIVE TECHNETIUM  

SciTech Connect

Technetium-99 (Tc-99) has posed serious environmental threats as US Department of Energy's high-level waste. This work reports the vitrification of Re, as surrogate for Tc-99, by iron-borosilicate and iron-phosphate glasses, respectively. Iron-phosphate glasses can dissolve Re as high as {approx} 1.2 wt. %, which can become candidate waste forms for Tc-99 disposal, while borosilicate glasses can retain less than 0.1 wt. % of Re due to high melting temperature and long melting duration. Vitrification of Re as Tc-99's mimic was investigated using iron-borosilicate and iron-phosphate glasses. The retention of Re in borosilicate glasses was less than 0.1 wt. % and more than 99 wt. % of Re were volatilized due to high melting temperature and long melting duration. Because the retention of Re in iron-phosphate glasses is as high as 1.2 wt. % and the volatilization is reduced down to {approx}50 wt. %, iron-phosphate glasses can be one of the glass waste form candidates for Tc (or Re) disposal. The investigations of chemical durability and leaching test of iron-phosphate glasses containing Re are now underway to test the performance of the waste form.

KRUGER AA; HEO J; XU K; CHOI JK; HRMA PR; UM W

2011-11-07T23:59:59.000Z

398

Zero Valent Iron: Impact of Anions Present during Synthesis on Subsequent Nanoparticle Reactivity  

SciTech Connect

Zero-valent iron particles are an effective remediation technology for groundwater contaminated with halogenated organic compounds. In particular, nano-scale zero-valent iron is a promising material for remediation due to its high specific surface area, which results in faster rate constants and more effective use of the iron. An aspect of iron nanoparticle reactivity that has not been explored is the impact of anions present during iron metal nanoparticle synthesis. Solutions containing chloride, phosphate, sulfate, and nitrate anions and ferric ions were used to generate iron oxide nanoparticles. The resulting materials were dialyzed to remove dissolved byproducts and then dried and reduced by hydrogen gas at high temperature. The reactivity of the resulting zero valent iron nanoparticles was quantified by monitoring the kinetics as well as products of carbon tetrachloride reduction, and significant differences in reactivity and chloroform yield were observed. The reactivity of nanoparticles prepared in the presence of sulfate and phosphate demonstrated the highest reactivity and chloroform yield. Furthermore, substantial variations in the solid-state products of oxidation (magnetite, iron sulfide, and goethite, among others) were also observed.

Moore, Kirsten; Forsberg, Brady; Baer, Donald R.; Arnold, William A.; Penn, R. Lee

2011-10-01T23:59:59.000Z

399

Attrition resistant bulk iron catalysts and processes for preparing and using same  

DOE Patents (OSTI)

An attrition resistant precipitated bulk iron catalyst is prepared from iron oxide precursor and a binder by spray drying. The catalysts are preferably used in carbon monoxide hydrogenation processes such as Fischer-Tropsch synthesis. These catalysts are suitable for use in fluidized-bed reactors, transport reactors and, especially, slurry bubble column reactors.

Jothimurugesan, Kandaswamy (Ponca City, OK); Goodwin, Jr., James G. (Clemson, SC); Gangwal, Santosh K. (Cary, NC)

2007-08-21T23:59:59.000Z

400

Visualization at Supercomputing Centers: The Tale of Little Big Iron and the Three Skinny Guys  

SciTech Connect

Supercomputing Centers (SC's) are unique resources that aim to enable scientific knowledge discovery through the use of large computational resources, the Big Iron. Design, acquisition, installation, and management of the Big Iron are activities that are carefully planned and monitored. Since these Big Iron systems produce a tsunami of data, it is natural to co-locate visualization and analysis infrastructure as part of the same facility. This infrastructure consists of hardware (Little Iron) and staff (Skinny Guys). Our collective experience suggests that design, acquisition, installation, and management of the Little Iron and Skinny Guys does not receive the same level of treatment as that of the Big Iron. The main focus of this article is to explore different aspects of planning, designing, fielding, and maintaining the visualization and analysis infrastructure at supercomputing centers. Some of the questions we explore in this article include:"How should the Little Iron be sized to adequately support visualization and analysis of data coming off the Big Iron?" What sort of capabilities does it need to have?" Related questions concern the size of visualization support staff:"How big should a visualization program be (number of persons) and what should the staff do?" and"How much of the visualization should be provided as a support service, and how much should applications scientists be expected to do on their own?"

Bethel, E. Wes; van Rosendale, John; Southard, Dale; Gaither, Kelly; Childs, Hank; Brugger, Eric; Ahern, Sean

2010-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Towards improved CZT crystals.  

Science Conference Proceedings (OSTI)

Past experimental efforts to improve CZT crystals for gamma spectrometer applications have been focused on reducing micron-scale defects such as tellurium inclusions and precipitates. While these micron-scale defects are important, experiments have shown that the micron-scale variations in transport can be caused by the formation and aggregation of atomic-scale defects such as dislocations and point defect clusters. Moreover, dislocation cells have been found to act as nucleation sites that cause the formation of large precipitates. To better solve the uniformity problem of CZT, atomic-scale defects must be understood and controlled. To this end, we have begun to develop an atomistic model that can be used to reveal the effects of small-scale defects and to guide experiments for reducing both atomic- and micron-scale (tellurium inclusions and precipitates) defects. Our model will be based upon a bond order potential (BOP) to enable large-scale molecular dynamics simulations of material structures at a high-fidelity level that was not possible with alternative methods. To establish how BOP improves over existing approaches, we report here our recent work on the assessment of two representative literature CdTe interatomic potentials that are currently widely used: the Stillinger-Weber (SW) potential and the Tersoff-Rockett (TR) potential. Careful examinations of phases, defects, and surfaces of the CdTe system were performed. We began our study by using both potentials to evaluate the lattice constants and cohesive energies of various Cd, Te, and CdTe phases including dimer, trimer, chain, square, rhomboid, tetrahedron, diamond-cubic (dc), simple-cubic (sc), body-centered-cubic (bcc), face-centered cubic (fcc), hexagonal-close-packed (hcp), graphite-sheet, A8, zinc-blende (zb), wurtzite (wz), NaCl, CsCl, etc. We then compared the results with our calculations using the density functional theory (DFT) quantum mechanical method. We also evaluated the suitability of the two potentials to predict the surface reconstructions and surface energies, various defect configurations and defect energies (interstitials and voids), elastic constants, and melting temperatures of different phases. We found that both potentials predicted incorrect energy trends as compared with those predicted by the DFT method. Most seriously, both potentials predicted incorrect lowest energy phases. These studies clearly showed that the existing potentials are not sufficient for correctly predicting the charge transport properties of CdTe demonstrating the need for a new potential. We anticipate that our BOP method will overcome this problem and will accelerate the discovery of a synthesis approach to produce improved CZT crystals.

Zimmerman, Jonathan A.; Ward, Donald K.; Doty, F. Patrick; Wong, Bryan Matthew; Zhou, Xiao Wang

2010-03-01T23:59:59.000Z

402

Production and blast-furnace smelting of boron-alloyed iron-ore pellets  

Science Conference Proceedings (OSTI)

Industrial test data are presented regarding the production (at Sokolovsk-Sarbaisk mining and enrichment enterprise) and blast-furnace smelting (at Magnitogorsk metallurgical works) of boron-alloyed iron-ore pellets (500000 t). It is shown that, thanks to the presence of boron, the compressive strength of the roasted pellets is increased by 18.5%, while the strength in reduction is doubled; the limestone consumption is reduced by 11%, the bentonite consumption is halved, and the dust content of the gases in the last section of the roasting machines is reduced by 20%. In blast-furnace smelting, the yield of low-sulfur (<0.02%) hot metal is increased from 65-70 to 85.1% and the furnace productivity from 2.17-2.20 to 2.27 t/(m{sup 3} day); coke consumption is reduced by 3-8 kg/t of hot metal. The plasticity and stamping properties of 08IO auto-industry steel are improved by microadditions of boron.

A.A. Akberdin; A.S. Kim [Abishev Chemicometallurgical Institute, Abishev (Kazakhstan)

2008-08-15T23:59:59.000Z

403

A study of radiation damage effects on the magnetic structure of bulk Iron  

SciTech Connect

Defects, defect interactions, and defect dynamics in solids created by fast neutrons are known to have significant impact on the performance and lifetime of structural materials. A fundamental understanding of the radiation damage effects in solids is therefore of great importance in assisting the development of improved materials - materials with ultrahigh strength, toughness, and radiation resistance. In this presentation, we show our recent theoretical investigation on the magnetic structure evolution of bulk iron in the region of the radiation defects. We applied a linear scaling ab-initio method based on density functional theory with local spin density approximation, namely the locally self-consistent multiple scattering method (LSMS), to the study of magnetic moment distributions in a cascade at the damage peak and for a series of time steps as the interstitials and vacancies recombined. Atomic positions correspond to those in a low energy cascade in a 10|000 atom sample, in which the primary damage state and the evolution of all defects produced were simulated using molecular dynamics with empirical, embedded-atom inter-atomic potentials. We will discuss how a region of affected moments expands and then recedes in response to a cascade evolution.

Wang Yang [Pittsburgh Supercomputing Center, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 (United States); Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States); Nicholson, D. M. C.; Stocks, G. M.; Rusanu, Aurelian; Eisenbach, Markus; Stoller, R. E. [Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)

2011-04-01T23:59:59.000Z

404

A study of radiation damage effects on the magnetic structure of bulk Iron  

Science Conference Proceedings (OSTI)

Defects, defect interactions, and defect dynamics in solids created by fast neutrons are known to have significant impact on the performance and lifetime of structural materials. A fundamental understanding of the radiation damage effects in solids is therefore of great importance in assisting the development of improved materials - materials with ultrahigh strength, toughness, and radiation resistance. In this presentation, we show our recent theoretical investigation on the magnetic structure evolution of bulk iron in the region of the radiation defects. We applied a linear scaling ab-initio method based on density functional theory with local spin density approximation, namely the locally self-consistent multiple scattering method (LSMS), to the study of magnetic moment distributions in a cascade at the damage peak and for a series of time steps as the interstitials and vacancies recombined. Atomic positions correspond to those in a low energy cascade in a 10|000 atom sample, in which the primary damage state and the evolution of all defects produced were simulated using molecular dynamics with empirical, embedded-atom inter-atomic potentials. We will discuss how a region of affected moments expands and then recedes in response to a cascade evolution. VC 2011 American Institute of Physics. [doi:10.1063/1.3553937

Wang, Yang Nmn [ORNL; Nicholson, Don M [ORNL; Stocks, George Malcolm [ORNL; Rusanu, Aurelian [ORNL; Eisenbach, Markus [ORNL; Stoller, Roger E [ORNL

2011-01-01T23:59:59.000Z

405

A study of radiation damage effects on the magnetic structure of bulk Iron  

Science Conference Proceedings (OSTI)

Defects, defect interactions, and defect dynamics in solids created by fast neutrons are known to have significant impact on the performance and lifetime of structural materials. A fundamental understanding of the radiation damage effects in solids is therefore of great importance in assisting the development of improved materials - materials with ultrahigh strength, toughness, and radiation resistance. In this presentation, we show our recent theoretical investigation on the magnetic structure evolution of bulk iron in the region of the radiation defects. We applied a linear scaling ab-initio method based on density functional theory with local spin density approximation, namely the locally self-consistent multiple scattering method (LSMS), to the study of magnetic moment distributions in a cascade at the damage peak and for a series of time steps as the interstitials and vacancies recombined. Atomic positions correspond to those in a low energy cascade in a 10|000 atom sample, in which the primary damage state and the evolution of all defects produced were simulated using molecular dynamics with empirical, embedded-atom inter-atomic potentials. We will discuss how a region of affected moments expands and then recedes in response to a cascade evolution.

Wang, Yang [Pittsburgh Supercomputing Center; Stocks, George Malcolm [ORNL; Stoller, Roger E [ORNL; Nicholson, Don M [ORNL; Rusanu, Aurelian [ORNL; Eisenbach, Markus [ORNL

2011-01-01T23:59:59.000Z

406

DOE - Office of Legacy Management -- Rogers Iron Works Co - MO 10  

Office of Legacy Management (LM)

Rogers Iron Works Co - MO 10 Rogers Iron Works Co - MO 10 FUSRAP Considered Sites Site: ROGERS IRON WORKS CO. (MO.10 ) Elimination from consideration under FUSRAP Designated Name: Not Designated Alternate Name: Rogers Iron Co. MO.10-1 Location: Joplin , Missouri MO.10-1 Evaluation Year: 1990 MO.10-2 MO.10-3 Site Operations: Tested C-liner crushing methods. MO.10-1 Site Disposition: Eliminated - Potential for contamination considered remote based on limited quantities of material handled MO.10-3 MO.10-4 Radioactive Materials Handled: Yes Primary Radioactive Materials Handled: Uranium (Trace Amounts) MO.10-2 Radiological Survey(s): None Indicated Site Status: Elimination from consideration under FUSRAP Also see Documents Related to ROGERS IRON WORKS CO. MO.10-1 - National Lead Company of Ohio Analytical Data Sheet 9908;

407

Plutonium Tricks Cells by "Pretending" to be Iron | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

A Chemical Detour to Quantum Criticality A Chemical Detour to Quantum Criticality Metallic Glass: A Crystal at Heart Brain Iron as an Early Predictor of Alzheimer's Disease Osmosis in Colloidal Suspensions Building a Better Battery Science Highlights Archives: 2013 | 2012 | 2011 | 2010 2009 | 2008 | 2007 | 2006 2005 | 2004 | 2003 | 2002 2001 | 2000 | 1998 | Subscribe to APS Science Highlights rss feed Plutonium Tricks Cells by "Pretending" to be Iron JULY 14, 2011 Bookmark and Share Structural models of bovine serum transferrins derived from x-ray studies at the Advanced Photon Source. Natural di-iron transferrin (yellow) and one mixed iron plutonium transferrin (green) are recognized and taken in by cells, while the other mixed plutonium iron transferrin (red) and di-plutonium transferrin (blue) are not recognized.

408

Sorption of Ferric Iron from Siderophore Complexes by Layer Type Manganese  

NLE Websites -- All DOE Office Websites (Extended Search)

Sorption of Ferric Iron from Siderophore Complexes by Layer Type Sorption of Ferric Iron from Siderophore Complexes by Layer Type Manganese Oxides Owen W. Duckworth (North Carolina State University), John R. Bargar (Stanford Synchrotron Radiation Lightsource), and Garrison Sposito (University of California-Berkeley) figure 1 Figure 1. Top: Iron is thought to limit phytoplankton in much of the world's oceans. Bottom: Structure of the iron-siderophore complex ferrioxamine B [Fe(III)HDFOB+]. Image courtesy of Andrzej Jarzecki, Brooklyn College, the City University of New York. Iron is one of several essential nutrients thought to limit phytoplankton growth in large areas of the world's oceans. The growth of marine phytoplankton represents a important linkage in the carbon cycle, accounting for approximately 50% of the total biological uptake of carbon

409

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

Albert Calderon

2005-01-25T23:59:59.000Z

410

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets, briquettes, sinter and coke.

Albert Calderon

2006-04-19T23:59:59.000Z

411

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

SciTech Connect

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets, briquettes, sinter and coke.

Albert Calderon

2006-01-30T23:59:59.000Z

412

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

SciTech Connect

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

Albert Calderon; Reina Calderon

2004-01-27T23:59:59.000Z

413

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

SciTech Connect

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

Albert Calderon

2004-07-28T23:59:59.000Z

414

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

Albert Calderon

2005-07-29T23:59:59.000Z

415

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

Albert Calderon

2004-04-27T23:59:59.000Z

416

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

Albert Calderon

2004-10-28T23:59:59.000Z

417

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

Albert Calderon

2005-01-26T23:59:59.000Z

418

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

SciTech Connect

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets and coke.

Albert Calderon

2003-10-22T23:59:59.000Z

419

Iron-based Material Paves Way for New Superconductors | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Iron-based Material Paves Way for New Superconductors Iron-based Material Paves Way for New Superconductors Iron-based Material Paves Way for New Superconductors February 12, 2013 - 6:26pm Addthis Brookhaven physicists Weidong Si (left) and Qiang Li look into the vacuum chamber where the new high-field iron-based superconductors are made through a process called pulsed-laser deposition. Brookhaven physicists Weidong Si (left) and Qiang Li look into the vacuum chamber where the new high-field iron-based superconductors are made through a process called pulsed-laser deposition. Michael Hess Michael Hess Former Digital Communications Specialist, Office of Public Affairs How much better is this film? Under an intense 30-tesla magnetic field, the film carried a record-high 200,000 amperes per square centimeter.

420

Phase II Calderon Process to Produce Direct Reduced Iron Research and Development Project  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase 1 was successfully completed. The project was then re-directed to the making of iron units. In 2000, U.S. Steel teamed up with Calderon for a joint effort to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy by using iron ore concentrate and coal as raw materials, both materials being appreciably lower in cost than using iron pellets, briquettes, sinter and coke.

Albert Calderon

2007-03-31T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Interplay of superconductivity, magnetism, and density waves in rare-earth tritellurides and iron-based superconducting materials  

E-Print Network (OSTI)

B. Superconductivity . . . . . . . . . . . . . . . . .IV Superconductivity and Magnetism in Iron-PnictideSearch for Pressure Induced Superconductivity in Undoped Ce-

Zocco, Diego Andrés

2011-01-01T23:59:59.000Z

422

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

Environmental Energy Technologies Division, LawrenceEnvironmental Energy Technologies Division, LawrenceNew Energy and Industrial Technology Development (NEDO).

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

423

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

Energy and Emission Paths to 2030. Berkeley, CA: Lawrenceand steel industry for 2010-2030 is estimated to be 251 TWh,emission factors through 2030 were from the factors used in

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

424

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

in the base year. Using energy prices in the base year and2009), we calculated the energy prices in the future yearsvalue of the future energy prices in constant dollars in the

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

425

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

Energy Efficiency and Carbon Dioxide Emissions Reductionconsumption and related carbon dioxide (CO 2 ) emissions.during Cumulative Carbon Dioxide Emission Reduction (MtCO

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

426

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

average unit price of electricity and coal used inyear. The weighted average unit price of Bituminous coal,coal, and coke consumed in the steel industry in 2010 is used as the fuel price

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

427

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

industry, encouraging widespread energy saving, emission reduction, increased steel scrap recycling rate,

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

428

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

maintenance in EAF plants Energy monitoring and management systemsmaintenance in EAF plants* Energy monitoring and management systemsmaintenance in integrated and EAF steel mills, energy monitoring and management systems

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

429

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

Steel Industry. An ENERGY STAR Guide for Energy and Plantguide policy makers in designing better sector-specific energy

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

430

Assessment of Energy Efficiency Improvement and CO2 Emission Reduction Potentials in the Iron and Steel Industry in China  

E-Print Network (OSTI)

in EAF plants Energy monitoring and management systems insteel mills Energy monitoring and management systems in EAFEAF steel mills, energy monitoring and management systems in

Hasanbeigi, Ali

2013-01-01T23:59:59.000Z

431

Pulsing solenoid improvement  

Science Conference Proceedings (OSTI)

A control system improvement is disclosed. A high speed air bleed path and a low speed air bleed path respectively bleed air into the high speed and low speed fuel circuits of a carburetor through either fuel circuit at any one time. A solenoid responsive to a control signal opens and closes the air bleed to control the quantity of air bled into the high speed and low speed circuits. The solenoid includes an isolator for isolating the high speed air bleed path from the low speed air bleed path to prevent cross flow of air from one air bleed path to the other. Cross flow of air between the paths adversely affects the degree of control over the delivery of fuel through the high speed and low speed fuel circuits.

Tipton, L.J.

1982-02-09T23:59:59.000Z

432

Electronic ballast improves efficiency  

SciTech Connect

As part of a DOE program, the performance of various electronic ballasts for fluorescent lamps have been evaluated relative to high quality core-coil ballasts under similar ambient conditions. The results of this investigation are reported. Real energy savings can exceed 40% while comfort and quality of illumination are improved. A detailed comparison of two types of ballast is presented. Voltage effects and temperature effects as well as dimming features are discussed. Light levels, power energy consumption, and daylighting are also treated. It is concluded that, with the electronic ballast, an annual payback of $8.20/yr is possible as compared to the core-coil ballasted fluorescent lamp. Further, much greater flexibility in use is possible with the electronic ballast equipped lamp. (MJJ)

Verderber, R.R.

1980-11-01T23:59:59.000Z

433

Improved steamflood analytical model  

E-Print Network (OSTI)

The Jeff Jones steamflood model incorporates oil displacement by steam as described by Myhill and Stegemeier, and a three-component capture factor based on empirical correlations. The main drawback of the model however is the unsatisfactory prediction of the oil production peak: usually significantly lower than the actual. Our study focuses on improving this aspect of the Jeff Jones model. In our study, we simulated the production performance of a 5-spot steamflood pattern unit and compared the results against those based on the Jeff Jones model. Three reservoir types were simulated using 3-D Cartesian black oil models: Hamaca (9�°API), San Ardo (12�°API) and that based on the SPE fourth comparative solution project (14�°API). In the first two field cases, a 45x23x8 model was used that represented 1/8 of a 10-acre 5-spot pattern unit, using typical rock and reservoir fluid properties. In the SPE project case, three models were used: 23x12x12 (2.5 ac), 31x16x12 (5 ac) and 45x23x8 (10 ac), that represented 1/8 of a 5-spot pattern unit. To obtain a satisfactory match between simulation and Jeff Jones analytical model results of the start and height of the production peak, the following refinements to the Jeff Jones model were necessary. First, the dimensionless steam zone size AcD was modified to account for decrease in oil viscosity during steamflood and its dependence on the steam injection rate. Second, the dimensionless volume of displaced oil produced VoD was modified from its square-root format to an exponential form. The modified model gave very satisfactory results for production performance up to 20 years of simulated steamflood, compared to the original Jeff Jones model. Engineers will find the modified model an improved and useful tool for prediction of steamflood production performance.

Chandra, Suandy

2005-08-01T23:59:59.000Z

434

Maintenance Work Management Improvement: Improving Culture and Work Process  

Science Conference Proceedings (OSTI)

EPRI's Plant Maintenance Optimization (PMO) mission is to develop and demonstrate products and services for improved use of power plant maintenance resources and increased profitability. Based on a series of work management improvement projects, EPRI plans to develop a best practices guideline. As part of this effort, this document details how to improve fossil power plant work culture and work processes.

1998-06-16T23:59:59.000Z

435

Single-Step Ironmaking from Ore to Improve Energy Efficiency  

SciTech Connect

The pig iron nugget process was developed as an alternative to the traditional blast furnace process by Kobe Steel. The process aimed to produce pig iron nuggets, which have similar chemical and physical properties to blast furnace pig iron, in a single step. The pig iron nugget process utilizes coal instead of coke and self reducing and fluxing dried green balls instead of pellets and sinters. In this process the environmental emissions caused by coke and sinter production, and energy lost between pellet induration (heat hardening) and transportation to the blast furnace can be eliminated. The objectives of this research were to (1) produce pig iron nuggets in the laboratory, (2) characterize the pig iron nugget produced and compare them with blast furnace pig iron, (3) investigate the furnace temperature and residence time effects on the pig iron nugget production, and (4) optimize the operational furnace temperatures and residence times. The experiments involved heat treatment of self reducing and fluxing dried green balls at various furnace temperatures and residence times. Three chemically and physically different products were produced after the compete reduction of iron oxides to iron depending on the operational furnace temperatures and/or residence times. These products were direct reduced iron (DRI), transition direct reduced iron (TDRI), and pig iron nuggets. The increase in the carbon content of the system as a function of furnace temperature and/or residence time dictated the formation of these products. The direct reduced iron, transition direct reduced iron, and pig iron nuggets produced were analyzed for their chemical composition, degree of metallization, apparent density, microstructure and microhardness. In addition, the change in the carbon content of the system with the changing furnace temperature and/or residence time was detected by optical microscopy and Microhardness measurements. The sufficient carbon dissolution required for the production of pig iron nuggets was determined. It was determined that pig iron nuggets produced had a high apparent density (6.7-7.2 gr/cm3), highly metallized, slag free structure, high iron content (95-97%), high microhardness values (> 325 HVN) and microstructure similar to white cast iron. These properties made them a competitive alternative to blast furnace pig iron.

S.K. Kawatra; B. Anamerie; T.C. Eisele

2005-10-01T23:59:59.000Z

436

Refines Efficiency Improvement  

Science Conference Proceedings (OSTI)

Refinery processes that convert heavy oils to lighter distillate fuels require heating for distillation, hydrogen addition or carbon rejection (coking). Efficiency is limited by the formation of insoluble carbon-rich coke deposits. Heat exchangers and other refinery units must be shut down for mechanical coke removal, resulting in a significant loss of output and revenue. When a residuum is heated above the temperature at which pyrolysis occurs (340 C, 650 F), there is typically an induction period before coke formation begins (Magaril and Aksenova 1968, Wiehe 1993). To avoid fouling, refiners often stop heating a residuum before coke formation begins, using arbitrary criteria. In many cases, this heating is stopped sooner than need be, resulting in less than maximum product yield. Western Research Institute (WRI) has developed innovative Coking Index concepts (patent pending) which can be used for process control by refiners to heat residua to the threshold, but not beyond the point at which coke formation begins when petroleum residua materials are heated at pyrolysis temperatures (Schabron et al. 2001). The development of this universal predictor solves a long standing problem in petroleum refining. These Coking Indexes have great potential value in improving the efficiency of distillation processes. The Coking Indexes were found to apply to residua in a universal manner, and the theoretical basis for the indexes has been established (Schabron et al. 2001a, 2001b, 2001c). For the first time, a few simple measurements indicates how close undesired coke formation is on the coke formation induction time line. The Coking Indexes can lead to new process controls that can improve refinery distillation efficiency by several percentage points. Petroleum residua consist of an ordered continuum of solvated polar materials usually referred to as asphaltenes dispersed in a lower polarity solvent phase held together by intermediate polarity materials usually referred to as resins. The Coking Indexes focus on the amount of these intermediate polarity species since coke formation begins when these are depleted. Currently the Coking Indexes are determined by either titration or solubility measurements which must be performed in a laboratory. In the current work, various spectral, microscopic, and thermal techniques possibly leading to on-line analysis were explored for measuring the Coking Indexes.

WRI

2002-05-15T23:59:59.000Z

437

Roadway Improvement Project Cost Allocation  

E-Print Network (OSTI)

Roadway Improvement Project Cost Allocation CTS 21st Annual Transportation Research Conference costs #12;Potential Applications · Roadway Project Feasibility Studies ­ Identified potential roadway infrastructure improvement ­ Documentation of estimated project costs ­ Determine property assessments

Minnesota, University of

438

NETL: Power Plant Improvement Initiative  

NLE Websites -- All DOE Office Websites (Extended Search)

Project Performance Summaries Power Plant Improvement Initiative (PPII) Project Performance Summaries Project Performance Summaries are written after project completion. These...

439

Market Incentives to Improve Cybersecurity  

Science Conference Proceedings (OSTI)

Page 1. Market Incentives to Improve Cybersecurity Herb Lin ... threaten critical societal functions. • Regulation that imposes best practices on system ...

2011-07-20T23:59:59.000Z

440

IMPROVED BONDING METHOD  

DOE Patents (OSTI)

An improved process of bonding aluminum to aluminum without fusion by ultrasonic vibrations plus pressure is described. The surfaces to be bonded are coated with an aqueous solution of alkali metal stearate prior to assembling for bonding. (AEC) O H19504 Present information is reviewed on steady state proliferation, differentiation, and maturation of blood cells in mammals. Data are cited from metabolic tracer studies, autoradiographic studies, cytologic studies, studies of hematopoietic response to radiation injuries, and computer analyses of blood cell production. A 3-step model for erythropoiesis and a model for granulocyte kinetics are presented. New approaches to the study of lymphocytopoiesis described include extracorporeal blood irradiation to deplete lymphocytic tissue without direct injury to the formative tissues as a means to study the stressed system, function control, and rates of proliferation. It is pointed out that present knowledge indicates that lymphocytes comprise a mixed family, with diverse life spans, functions, and migration patterns with apparent aimless recycling from modes to lymph to blood to nodes that has not yet been quantitated. Areas of future research are postulated. (70 references.) (C.H.)

Padgett, E.V. Jr.; Warf, D.H.

1964-04-28T23:59:59.000Z

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

City of Mountain Iron, Minnesota (Utility Company) | Open Energy  

Open Energy Info (EERE)

Minnesota (Utility Company) Minnesota (Utility Company) Jump to: navigation, search Name City of Mountain Iron Place Minnesota Utility Id 13044 Utility Location Yes Ownership M NERC Location MRO NERC MRO Yes Activity Distribution Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png General Service Rate Commercial Municipal Service Rate: No Demand meter Commercial Municipal Service Rate: With Demand meter Industrial Off-Peak Water Heating Commercial Power Service Rate Industrial Residential Service Rate Residential Average Rates Residential: $0.0948/kWh Commercial: $0.1180/kWh Industrial: $0.1300/kWh

442

The Superpower behind Iron Oxyfluoride Battery Electrodes | Advanced Photon  

NLE Websites -- All DOE Office Websites (Extended Search)

Watching a Protein as it Functions Watching a Protein as it Functions Shedding Light on Chemistry with a Biological Twist Teasing Out the Nature of Structural Instabilities in Ceramic Compounds Doubling Estimates of Light Elements in the Earth's Core A New Material for Warm-White LEDs Science Highlights Archives: 2013 | 2012 | 2011 | 2010 2009 | 2008 | 2007 | 2006 2005 | 2004 | 2003 | 2002 2001 | 2000 | 1998 | Subscribe to APS Science Highlights rss feed The Superpower behind Iron Oxyfluoride Battery Electrodes APRIL 2, 2013 Bookmark and Share Structural changes probed using operando PDF analysis indicates a partitioning of a FeOF-based electrode into fluorine- and oxygen-rich phases with different reactivity for each component. Innovative materials chemistries continue to drive advances in lithium-ion

443

Reduced Beta Decay Rates of Iron Isotopes for Supernova Physics  

SciTech Connect

During the late phases of stellar evolution beta decay on iron isotopes, in the core of massive stars, plays a crucial role in the dynamics of core-collapse. The beta decay contributes in maintaining a 'respectable' lepton-to-baryon ratio (PSI{sub e}) of the core prior to collapse which results in a larger shock energy to power the explosion. It is indeed a fine tuning of the parameter PSI{sub e} at various stages of supernova physics which can lead to a successful transformation of the collapse into an explosion. The calculations presented here might help in fine-tuning of PSI{sub e} for the collapse simulators of massive stars.

Nabi, Jameel-Un [Faculty of Engineering Sciences, GIK Institute of Engineering Sciences and Technology, Topi 23460, N.W.F.P. (Pakistan)

2009-07-07T23:59:59.000Z

444

All Metal Iron Core For A Low Aspect Ratio Tokamak  

Science Conference Proceedings (OSTI)

A novel concept for incorporating a iron core transformer within a axisymmetric toroidal plasma containment device with a high neutron flux is described. This design enables conceptual design of low aspect ratio devices which employ standard transformer-driven plasma startup by using all-metal high resistance separators between the toroidal field windings. This design avoids the inherent problems of a multiturn air core transformer which will inevitably suffer from strong neutron bombardment and hence lose the integrity of its insulation, both through long term material degradation and short term neutron- induced conductivity.. A full 3-dimensional model of the concept has been developed within the MAXWELL program and the resultant loop voltage calculated. The utility of the result is found to be dependent on the resistivity of the high resistance separators. Useful loop voltage time histories have been obtained using achievable resistivities.

D.A. Gates, C. Jun, I. Zatz, A. Zolfaghari

2010-06-02T23:59:59.000Z

445

Energy and materials flows in the iron and steel industry  

SciTech Connect

Past energy-consumption trends and future energy-conservation opportunities are investigated for the nation's iron and steel industry. It is estimated that, in 1980, the industry directly consumed approximately 2.46 x 10/sup 15/ Btu of energy (roughly 3% of total US energy consumption) to produce 111 million tons of raw steel and to ship 84 million tons of steel products. Direct plus indirect consumption is estimated to be about 3.1 x 10/sup 15/ Btu. Of the set of conservation technologies identified, most are judged to be ready for commercialization if and when the industry's capital formation and profitability problems are solved and the gradual predicted increase in energy prices reduces the payback periods to acceptable levels.

Sparrow, F.T.

1983-06-01T23:59:59.000Z

446

Technology development for iron Fischer-Tropsch catalysts  

DOE Green Energy (OSTI)

Objective is to develop producing active, stable iron Fischer-Tropsch catalysts for use in slurry-phase synthesis reactors and to synthesize such catalysts on a large scale for process development and long-term testing in slurry bubble-column reactors. A mixed oxalate of Fe, Cu, and K was prepared; a catalyst will be prepared from this material. An evaluation run was performed on an Fe-based UCI catalyst, which was shown to produce low levels of C[sub 1] and C[sub 2] paraffins; e.g., at the end of the run, when the catalyst was converting 60% of the CO, the C[sub 1] and C[sub 2] paraffin selectivities were 4.2 and 1.0, respectively.

Frame, R.R.; Gala, H.B.

1992-12-22T23:59:59.000Z

447

Climate VISION: Private Sector Initiatives: Iron and Steel: GHG Information  

Office of Scientific and Technical Information (OSTI)

GHG Information GHG Information This section provides various sources describing the energy consumption of the industrial sector and the carbon emissions in particular. Below is an estimate of the million metric tons of carbon dioxide emissions (MMTCO2) based upon the Annual Energy Outlook 2007. According to EIA "Annual Energy Outlook 2007" data, energy-related CO2 emissions projected for the Iron and Steel industry were 133.5 MMTCO2 in 2006. The AEO Supplementary Tables were generated for the reference case of the Annual Energy Outlook 2007 using the National Energy Modeling System, a computer-based model which produces annual projections of energy markets for 2005-2030. The AEO2007 reflects data and information available as of September 15, 2006. Source: Annual Energy Outlook 2007 (PDF 38.44 KB) with

448

Lake Improvement District Law and County Lake Improvement Program  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Lake Improvement District Law and County Lake Improvement Program Lake Improvement District Law and County Lake Improvement Program (Minnesota) Lake Improvement District Law and County Lake Improvement Program (Minnesota) < Back Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility State/Provincial Govt Industrial Construction Municipal/Public Utility Local Government Residential Installer/Contractor Rural Electric Cooperative Tribal Government Low-Income Residential Schools Retail Supplier Institutional Multi-Family Residential Systems Integrator Fuel Distributor Nonprofit General Public/Consumer Transportation Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Minnesota Program Type Siting and Permitting Lake Improvement Districts may be established by county boards in order to

449

Variable Iron K-alpha Lines in Seyfert 1 Galaxies  

E-Print Network (OSTI)

We find that variability of the iron K-alpha line is common in Seyfert 1 galaxies. Using data from the ASCA archive for objects that have been observed more than once during the mission, we study the time-averaged spectra from individual observations, thereby probing variability on timescales that range from days to years. Since the statistics of the data do not warrant searches for line variability in terms of a complex physical model, we use a a simple Gaussian to model the gross shape of the line, and then use the centroid energy, intensity and equivalent width as robust indicators of changes in the line profile. We find that ~70% of Seyfert 1s (ten out of fifteen) show variability in at least one of these parameters: the centroid energy, intensity, and equivalent width vary in six, four, and eight sources respectively. Due to the low S/N, limited sampling and time averaging, we consider these results to represent lower limits to the rate of incidence of variability. In most cases changes in the line do not appear to track changes in the continuum. In particular, we find no evidence for variability of the line intensity in NGC 4151, suggesting an origin in a region larger than the putative accretion disk, where most of the iron line has been thought to originate. Mkn 279 is investigated on short timescales. The time-averaged effective line energy is 6.5 keV in the galaxy rest frame. As the continuum flux increases by 20% in a few hours, the Fe K line responds with the effective line energy increasing by 0.22 keV (~10,500 km s^-1). Problems with the ASCA and Rosat calibration that affect simultaneous spectral fits are discussed in an appendix.

K. A. Weaver; J. Gelbord; T. Yaqoob

2000-08-31T23:59:59.000Z

450

A Comparison of Iron and Steel Production Energy Use and Energy Intensity  

NLE Websites -- All DOE Office Websites (Extended Search)

A Comparison of Iron and Steel Production Energy Use and Energy Intensity A Comparison of Iron and Steel Production Energy Use and Energy Intensity in China and the U.S. Title A Comparison of Iron and Steel Production Energy Use and Energy Intensity in China and the U.S. Publication Type Report Year of Publication 2011 Authors Hasanbeigi, Ali, Lynn K. Price, Nathaniel T. Aden, Zhang Chunxia, Li Xiuping, and Shangguan Fangqin Date Published June/2011 Publisher Lawrence Berkeley National Laboratory; Iron & Steel Research Institute, Iron and Steel Industry Keywords energy intensity, energy use, Low Emission & Efficient Industry Abstract Production of iron and steel is an energy-intensive manufacturing process. In 2006, the iron and steel industry accounted for 13.6% and 1.4% of primary energy consumption in China and the U.S., respectively (U.S. DOE/EIA, 2010a; Zhang et al., 2010). The energy efficiency of steel production has a direct impact on overall energy consumption and related carbon dioxide (CO2) emissions. The goal of this study is to develop a methodology for making an accurate comparison of the energy intensity (energy use per unit of steelproduced) of steel production. The methodology is applied to the steel industry in China and the U.S. The methodology addresses issues related to boundary definitions, conversion factors, and indicators in order industry energy use to develop a common framework for comparing steel intensity energy use.

451

Technology Commercialization and Partnerships | BSA 10-20: Iron ...  

... wind turbines, ... Get email notifications about new or improved technologies in your area of interest. ... Report a Problem With This Page ...

452

Decaking of coal or oil shale during pyrolysis in the presence of iron oxides  

DOE Patents (OSTI)

A method for producing a fuel from the pyrolysis of coal or oil shale in the presence of iron oxide in an inert gas atmosphere. The method includes the steps of pulverizing feed coal or oil shale, pulverizing iron oxide, mixing the pulverized feed and iron oxide, and heating the mixture in a gas atmosphere which is substantially inert to the mixture so as to form a product fuel, which may be gaseous, liquid and/or solid. The method of the invention reduces the swelling of coals, such as bituminous coal and the like, which are otherwise known to swell during pyrolysis.

Khan, M. Rashid (Morgantown, WV)

1989-01-01T23:59:59.000Z

453

Decaking of coal or oil shale during pyrolysis in the presence of iron oxides  

DOE Patents (OSTI)

A method for producing a fuel from the pyrolysis of coal or oil shale in the presence of iron oxide in an inert gas atmosphere is described. The method includes the steps of pulverizing feed coal or oil shale, pulverizing iron oxide, mixing the pulverized feed and iron oxide, and heating the mixture in a gas atmosphere which is substantially inert to the mixture so as to form a product fuel, which may be gaseous, liquid and/or solid. The method of the invention reduces the swelling of coals, such as bituminous coal and the like, which are otherwise known to swell during pyrolysis. 4 figs., 8 tabs.

Rashid Khan, M.

1988-05-05T23:59:59.000Z

454

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. U.S. Steel teamed up with Calderon for a joint effort which will last 30 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy.

Albert Calderon

2003-01-28T23:59:59.000Z

455

Phase II Calderon Process to Produce Direct Reduced Iron Research and Development Project  

Science Conference Proceedings (OSTI)

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. U.S. Steel teamed up with Calderon for a joint effort which will last 42 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy.

Albert Calderon

2003-06-30T23:59:59.000Z

456

PHASE II CALDERON PROCESS TO PRODUCE DIRECT REDUCED IRON RESEARCH AND DEVELOPMENT PROJECT  

SciTech Connect

This project was initially targeted to the making of coke for blast furnaces by using proprietary technology of Calderon in a phased approach, and Phase I was successfully completed. The project was then re-directed to the making of iron units. U.S. Steel teamed up with Calderon for a joint effort which will last 30 months to produce directly reduced iron with the potential of converting it into molten iron or steel consistent with the Roadmap recommendations of 1998 prepared by the Steel Industry in cooperation with the Department of Energy.

Albert Calderon

2003-04-28T23:59:59.000Z

457

Numerical study: Iron corrosion-resistance in lead-bismuth eutectic coolant by molecular dynamics method  

Science Conference Proceedings (OSTI)

In this present work, we report numerical results of iron (cladding) corrosion study in interaction with lead-bismuth eutectic coolant of advanced nuclear reactors. The goal of this work is to study how the oxygen can be used to reduce the corrosion rate of cladding. The molecular dynamics method was applied to simulate corrosion process. By evaluating the diffusion coefficients, RDF functions, MSD curves of the iron and also observed the crystal structure of iron before and after oxygen injection to the coolant then we concluded that a significant and effective reduction can be achieved by issuing about 2% number of oxygen atoms to lead-bismuth eutectic coolant.

Arkundato, Artoto; Su'ud, Zaki; Abdullah, Mikrajuddin; Widayani,; Celino, Massimo [Nuclear Physics and Biophysics Research Division, Physics Department Institut Teknologi Bandung, Jl. Ganesha 10, Bandung Physics Department, Faculty of Mathematical and Natural Sciences Universitas (Indonesia); Nuclear Physics and Biophysics Research Division, Physics Department Institut Teknologi Bandung, Jl. Ganesha 10, Bandung (Indonesia); ENEA, CR Cassacia, Via Anguillarese 301, Roma (Italy)

2012-06-06T23:59:59.000Z

458

Computational study: Reduction of iron corrosion in lead coolant of fast nuclear reactor  

SciTech Connect

In this paper we report molecular dynamics simulation results of iron (cladding) corrosion in interaction with lead coolant of fast nuclear reactor. The goal of this work is to study effect of oxygen injection to the coolant to reduce iron corrosion. By evaluating diffusion coefficients, radial distribution functions, mean-square displacement curves and observation of crystal structure of iron before and after oxygen injection, we concluded that a significant reduction of corrosion can be achieved by issuing about 2% of oxygen atoms into lead coolant.

Arkundato, Artoto; Su'ud, Zaki; Abdullah, Mikrajuddin; Widayani [Physics Department, ITB, Bandung (Indonesia) and Physics Department, University of Jember, Jl. Kalimantan III/25, Jember (Indonesia); Physics Department, ITB Jl. Ganesha 10, Bandung (Indonesia)

2012-06-20T23:59:59.000Z

459

U-102: Cisco IronPort Encryption Appliance Input Validation Flaw Permits  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

2: Cisco IronPort Encryption Appliance Input Validation Flaw 2: Cisco IronPort Encryption Appliance Input Validation Flaw Permits Cross-Site Scripting Attacks U-102: Cisco IronPort Encryption Appliance Input Validation Flaw Permits Cross-Site Scripting Attacks February 14, 2012 - 8:00am Addthis PROBLEM: A vulnerability was reported in Cisco IronPort Encryption Appliance. PLATFORM: Version(s): prior to 6.5.3 ABSTRACT: A remote user can conduct cross-site scripting reference LINKS: Vendor URL CVE-2012-0340 Security Tracker ID:1026669 IMPACT ASSESSMENT: Medium Discussion: The interface does not properly filter HTML code from user-supplied input before displaying the input. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from

460

DOE - Office of Legacy Management -- Colorado Fuel and Iron - NY 0-08  

Office of Legacy Management (LM)

Fuel and Iron - NY 0-08 Fuel and Iron - NY 0-08 FUSRAP Considered Sites Site: Colorado Fuel and Iron (NY.0-08 ) Eliminated from consideration under FUSRAP Designated Name: Not Designated Alternate Name: None Location: Watervliet , New York NY.0-08-1 Evaluation Year: 1987 NY.0-08-1 Site Operations: Site was a contractor to DuPont. Exact nature of operations is not clear. No records to indicate that radioactive materials were handled at the site. NY.0-08-1 Site Disposition: Eliminated NY.0-08-1 Radioactive Materials Handled: None Indicated Primary Radioactive Materials Handled: None Indicated Radiological Survey(s): None Indicated Site Status: Eliminated from consideration under FUSRAP Also see Documents Related to Colorado Fuel and Iron NY.0-08-1 - DOE Memorandum/Checklist; S.Jones to the File; Subject:

Note: This page contains sample records for the topic "improvement champion iron" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Land Use—Iron Pollution in Mangrove Habitat of Karachi, Indus Delta  

Science Conference Proceedings (OSTI)

The coastal area of Karachi, Pakistan, which lies at the northwestern part of the Indus delta, is heavily polluted particularly in the mangrove habitat. The present study traces the pathway of trace metal iron from the source to the different ...

S. M. Saifullah; Sarwat Ismail; S. H. Khan; M. Saleem

2004-12-01T23:59:59.000Z

462

Oxidation of phosphine by iron(III) chloride complexes supported on activated charcoal  

SciTech Connect

It has been discovered that iron(III) chloride complexes supported on activated charcoal oxidize phosphine under normal conditions. The process accelerates as the concentration of the chloride ions and the proton acid increases.

Rakitskaya, T.L.; Kostyukova, I.S.; Red'ko, T.D.

1988-06-01T23:59:59.000Z

463

Influences on the oceanic biogeochemical cycling of the hybrid-type metals, cobalt, iron, and manganese  

E-Print Network (OSTI)

Trace metal cycling is one of many processes that influence ocean ecosystem dynamics. Cobalt, iron, and manganese are redox active trace metal micro-nutrients with oceanic distributions that are influenced by both biological ...

Noble, Abigail Emery

2012-01-01T23:59:59.000Z

464

The Antioxidant Vitamins C & EChapter 3 Biochemical and Physiological Interactions of Vitamin C and Iron  

Science Conference Proceedings (OSTI)

The Antioxidant Vitamins C & E The Antioxidant Vitamins C & E Chapter 3 Biochemical and Physiological Interactions of Vitamin C and Iron eChapters Health - Nutrition - Biochemistry Press Downloadable pdf of Chapter

465

Removal of Phosphorus from Lisakovsky Iron Ore by a Roast-Leach ...  

Science Conference Proceedings (OSTI)

Aug 1, 2003 ... Lisakovsky is a 3-billion ton oolitic iron ore deposit in north-central Kazakhstan operated by Orken LLP, a subsidiary of Ispat Karmet and the ...

466

A metallurgical study of West African iron monies from Cameroon and Liberia  

E-Print Network (OSTI)

The aim of this thesis is to make a contribution to the study of West African iron monies through examination and analysis of a group of these objects in the collection of the Peabody Museum of Archaeology and Ethnology ...

Papakirillou, Ismini

2009-01-01T23:59:59.000Z

467

Treatment of High-Flow, Low-Iron Mine Drainage with a Semi-Passive...  

NLE Websites -- All DOE Office Websites (Extended Search)

An Aquafix(tm) system used in combination with wetlands (0.40 ha) effectively reduced iron concentrations from between 5 - 6 mgL to less than 1 mgL. At this particular...

468

ESS 2012 Peer Review - Iron Based Flow Batteries for Low Cost...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

EnergyOffice of Electricity's Energy Storage Program. Iron Based Flow Batteries for Low Cost Grid Level Energy Storage J.S. Wainright, R. F. Savinell, P.I.s Dept. of Chemical...

469

NOREM Wear-Resistant, Iron-Based Hard-Facing Alloys  

Science Conference Proceedings (OSTI)

Laboratory studies have identified new, iron-based hard-facing alloys, designated NOREM, possessing outstanding resistance to wear and corrosion. On new or refurbished valves, use of these alloys could reduce radiation-field buildup in nuclear power plants.

1989-07-20T23:59:59.000Z

470

NOREM Wear-Resistant, Iron-Based Hard-Facing Alloys  

Science Conference Proceedings (OSTI)

Laboratory studies have identified new, iron-based hard-facing alloys, designated NOREM, possessing outstanding resistance to wear and corrosion. On new or refurbished valves, use of these alloys could reduce radiation-field buildup in nuclear power plants.

1989-07-01T23:59:59.000Z

471

Iron-niobium-aluminum alloy having high-temperature corrosion resistance  

DOE Patents (OSTI)

An alloy for use in high temperature sulfur and oxygen containing environments, having aluminum for oxygen resistance, niobium for sulfur resistance and the balance iron, is discussed. 4 figs., 2 tabs.

Hsu, Huey S.

1988-04-14T23:59:59.000Z

472

Iron (III) Chloride doping of large-area chemical vapor deposition graphene  

E-Print Network (OSTI)

Chemical doping is an effective method of reducing the sheet resistance of graphene. This thesis aims to develop an effective method of doping large area Chemical Vapor Deposition (CVD) graphene using Iron (III) Chloride ...

Song, Yi, S.M. Massachusetts Institute of Technology

2013-01-01T23:59:59.000Z

473

Separation of Fischer-Tropsch Wax Products from Ultrafine Iron Catalyst Particles  

Science Conference Proceedings (OSTI)

A fundamental filtration study was started to investigate the separation of Fischer-Tropsch Synthesis (FTS) liquids from iron-based catalyst particles. Slurry-phase FTS in slurry bubble column reactor systems is the preferred mode of operation since the reaction is highly exothermic. Consequently, heavy wax products in one approach may be separated from catalyst particles before being removed from the reactor system. Achieving an efficient wax product separation from iron-based catalysts is one of the most challenging technical problems associated with slurry-phase iron-based FTS and is a key factor for optimizing operating costs. The separation problem is further compounded by attrition of iron catalyst particles and the formation of ultra-fine particles.

Amitava Sarkar; James K. Neathery; Burtron H. Davis

2006-12-31T23:59:59.000Z

474

Impacts of increasing anthropogenic soluble iron and nitrogen deposition on ocean biogeochemistry  

E-Print Network (OSTI)

from dust and combustion sources (only biomass burning underCombustion sources of soluble iron were important near industrial and biomasscombustion from power plants and industry dominate. Biofuel and biomass

2009-01-01T23:59:59.000Z

475

Study on Apprasial Model of Iron Ores Based on Multi-level Fuzzy ...  

Science Conference Proceedings (OSTI)

Chemical Enrichment of Precious Metals in Iron Sulfides Using Microwave Energy · Chloridizing ... Co-Gasification Behavior of Metallurgical Coke with High and Low Reactivity .... Thermal Plasma Torches for Metallurgical Applications.

476

Study on Swelling Behavior of Iron Ore Pellets in Direct Reduction ...  

Science Conference Proceedings (OSTI)

Chemical Enrichment of Precious Metals in Iron Sulfides Using Microwave Energy · Chloridizing ... Co-Gasification Behavior of Metallurgical Coke with High and Low Reactivity .... Thermal Plasma Torches for Metallurgical Applications.

477

Nanolubricants to Improve Chiller Performance  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Nanolubricants to Improve Chiller Nanolubricants to Improve Chiller Performance Mark Kedzierski NIST MAK@NIST.GOV 301 975 5282 April 3, 2013 2 | Building Technologies Office eere.energy.gov Purpose & Objectives Problem Statement: Enabling technology for improving the efficiency of chillers that cool large buildings with nanolubricants. (Nanolubricants are not currently used in chillers.) Develop fundamental understanding of how nanolubricants enhance refrigerant/nanolubricant. What nanoparticle size,

478

NETL: Turbine Projects - Efficiency Improvement  

NLE Websites -- All DOE Office Websites (Extended Search)

Efficiency Improvemenet Turbine Projects Efficiency Improvemenet Advanced Hot Section Materials and Coatings Test Rig DataFact Sheets System Study for Improved Gas Turbine...

479

Technology Deployment Matrix Improvements - Updates  

NLE Websites -- All DOE Office Websites (Extended Search)

Laboratory September 15, 2011 2 | Interagency Technology Deployment Working Group eere.energy.gov Technology Deployment Matrix Improvement Efforts 1. Develop criteria for...

480

Improve energy performance | ENERGY STAR  

NLE Websites -- All DOE Office Websites (Extended Search)

track, and benchmark Improve energy performance ENERGY STAR industrial partnership Energy guides Energy efficiency and air regulation Plant energy auditing Industrial...

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