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1

About Rare Earth Metals | Ames Laboratory  

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

About Rare Earth Metals About Rare Earth Metals What Are Rare Earths? Ames Laboratory's Materials Preparation Center The Ames Process for Purification of Rare...

2

Remedial actions at the former Vitro Rare Metals plant site, Canonsburg, Washington County, Pennsylvania. Final Environmental Impact Statement. Volume I  

SciTech Connect

The environmental impacts associated with remedial actions in connection with residual radioactive materials remaining at the inactive uranium processing site located in Canonsburg, Washington County, Pennsylvania are evaluated. The Canonsburg site is an 18.5-acre property that was formerly owned by the Vitro Rare Metals Company. The expanded Canonsburg site would be 30-acre property that would include the Canonsburg site (the former Vitro Rare Metals plant), seven adjacent private houses, and the former Georges Pottery property. During the period 1942 through 1957 the Vitro Manufacturing Company and its successor, the Vitro Corporation of America, processed onsite residues and ores, and government-owned ores, concentrates, and scraps to extract uranium and other rare metals. The Canonsburg site is now the Canon Industrial Park. In addition to storing the residual radioactive materials of this process at the Canonsburg site, about 12,000 tons of radioactively contaminated materials were transferred to a railroad landfill in Burrell Township, Indiana County, Pennsylvania. This Canonsburg FEIS evaluates five alternatives for removing the potential public health hazard associated with the radioactively contaminated materials. In addition to no action, these alternatives involve various combinations of stabilization of the radioactively contaminated materials in place or decontamination of the Canonsburg and Burrell sites by removing the radioactively contaminated materials to another location. In addition to the two sites mentioned, a third site located in Hanover Township, Washington County, Pennsylvania has been considered as a disposal site to which the radioactively contaminated materials presently located at either of the other two sites might be moved.

Not Available

1983-07-01T23:59:59.000Z

3

Rare Earth Metals and Alloys | Ames Laboratory  

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

Mpc » Rare Earth Metals and Alloys Mpc » Rare Earth Metals and Alloys Rare Earth Metals and Alloys Terbium (Tb) and Cerium (Ce) phosphors in your computer screen allow you to see GREEN. Europium (Eu) is the source of the RED light and BLUE emitted by our display. The Ames Laboratory has been actively involved in the preparation of very pure rare earth metals since the early 1940's when Dr. Frank H. Spedding and his group of pioneers developed the ion-exchange process, a technique that separates the "fraternal fifteen" plus yttrium and scandium. As a result of this and subsequent work, high-purity oxides are available from which high-purity rare earth metals can be prepared. In most cases, the rare earth oxides are first converted to their respective fluorides and are then reduced metallothermicaly on a kilogram

4

Rare Earth Metal research, at DOE  

Office of Scientific and Technical Information (OSTI)

Energy Citations Database - Intermultiplet transitions in rare-earth metals DOE Green Energy - LaNi.sub.5 is-based metal hydride electrode in Ni-MH rechargeable cells...

5

DOE Science Showcase - Rare Earth Metal Research from DOE Databases |  

Office of Scientific and Technical Information (OSTI)

Rare Earth Metal Research from DOE Databases Rare Earth Metal Research from DOE Databases Information Bridge Energy Citations Database Highlighted documents of Rare Earth Metal research in DOE databases Information Bridge - Corrosion-resistant metal surfaces DOE R&D Project Summaries - Structural and magnetic studies on heavy rare earth metals at high pressures using designer diamonds Energy Citations Database - Intermultiplet transitions in rare-earth metals DOE Green Energy - LaNi.sub.5 is-based metal hydride electrode in Ni-MH rechargeable cells Science.gov - H.R.4866 - Rare Earths Supply-Chain Technology and Resources Transformation Act of 2010 WorldWideScience.org - China produces most of the world's rare earth metals DOepatents - Recycling of rare earth metals from rare earth-transition metal alloy scrap by liquid metal extraction

6

Rare Plants of the ORR  

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

or applying herbicides to maintain rights-of-way can kill plants, and changes in adjacent land use can impact a population. Other threats include illegal harvesting of some...

7

DOE launches rare earth metals research hub  

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

ATL011113_hub ATL011113_hub 01/11/2013 DOE launches rare earth metals research hub Anne M Stark, LLNL, (925) 422-9799, stark8@llnl.gov Printer-friendly Europium, a rare earth element that has the same relative hardness of lead, is used to create fluorescent lightbulbs. With no proven substitutes, europium is considered critical to the clean energy economy. Photo courtesy of the Ames Laboratory. High Resolution Image The Department of Energy has launched a research hub that focuses on solutions to the domestic shortages of rare earth metals and other materials critical for U.S. energy security. Housed at Ames Laboratory in Iowa, Lawrence Livermore has been involved in establishing this Energy Innovation Hub since its conception more than two years ago. In 2010, on behalf of DOE, LLNL hosted the first U.S.-Japan

8

Flotation Flowsheet Development for Avalon Rare Metal's ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

9

Production, Refining and Recycling of Rare Earth Metals  

Science Conference Proceedings (OSTI)

This symposium is targeting on overview of the current state of the art for production, refining and recycling of the rare earth metals. In addition the symposium is...

10

DOE Announces RFI on Rare Earth Metals | Department of Energy  

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

RFI on Rare Earth Metals RFI on Rare Earth Metals DOE Announces RFI on Rare Earth Metals May 6, 2010 - 12:00am Addthis Washington, D.C. - The Department of Energy has released a Request for Information (RFI) soliciting information on rare earth metals and other materials used in the energy sector. The request is specifically focused on rare earth metals (e.g., lanthanum, cerium and neodymium) and several other metals including lithium and cobalt, but respondents are welcome to identify other materials of interest. These materials are important to the development and deployment of a variety of clean energy technologies, such as wind turbines, hybrid vehicles, solar panels and energy efficient light bulbs. In a March 17 speech, Assistant Secretary of Energy for Policy & International Affairs David Sandalow announced that DOE is developing its

11

DOE Announces RFI on Rare Earth Metals | Department of Energy  

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

RFI on Rare Earth Metals RFI on Rare Earth Metals DOE Announces RFI on Rare Earth Metals May 6, 2010 - 12:00am Addthis Washington, D.C. - The Department of Energy has released a Request for Information (RFI) soliciting information on rare earth metals and other materials used in the energy sector. The request is specifically focused on rare earth metals (e.g., lanthanum, cerium and neodymium) and several other metals including lithium and cobalt, but respondents are welcome to identify other materials of interest. These materials are important to the development and deployment of a variety of clean energy technologies, such as wind turbines, hybrid vehicles, solar panels and energy efficient light bulbs. In a March 17 speech, Assistant Secretary of Energy for Policy & International Affairs David Sandalow announced that DOE is developing its

12

DOE - Office of Legacy Management -- International Rare Metals Refinery Inc  

Office of Legacy Management (LM)

Rare Metals Refinery Rare Metals Refinery Inc - NY 38 FUSRAP Considered Sites Site: International Rare Metals Refinery, Inc. (NY.38 ) Eliminated from consideration under FUSRAP Designated Name: Not Designated Alternate Name: Canadian Radium and Uranium Corporation NY.38-1 Location: 69 Kisko Avenue , Mt. Kisko , New York NY.38-1 NY.38-3 Evaluation Year: 1987 NY.38-4 Site Operations: Manufactured and distributed radium and polonium products. NY.38-5 Site Disposition: Eliminated - No Authority - Site was a commercial operation not under the jurisdiction of DOE predecessor agencies NY.38-2 NY.38-4 Radioactive Materials Handled: Yes Primary Radioactive Materials Handled: Radium, Plutonium NY.38-5 Radiological Survey(s): Yes NY.38-1 NY.38-5 Site Status: Eliminated from consideration under FUSRAP

13

Rare Plant Conservation Planning Workshop Results  

E-Print Network (OSTI)

processes such as the up- turning of topsoil and plant populations to retrieve oil shale. The goal in the world that boasts an abundance of oil shale. CSU scientists at the time believed that the extraction methods used to retrieve the oil shale - a sedimen- tary rock that contains ma- terials that, when heated

14

Rare earth-transition metal scrap treatment method  

DOE Patents (OSTI)

Rare earth-transition metal (e.g. iron) scrap (e.g. Nd-Fe-B scrap) is melted to reduce the levels of tramp oxygen and nitrogen impurities therein. The tramp impurities are reduced in the melt by virtue of the reaction of the tramp impurities and the rare earth to form dross on the melt. The purified melt is separated from the dross for reuse. The oxygen and nitrogen of the melt are reduced to levels acceptable for reuse of the treated alloy in the manufacture of end-use articles, such as permanent magnets. 3 figs.

Schmidt, F.A.; Peterson, D.T.; Wheelock, J.T.; Jones, L.L.; Lincoln, L.P.

1992-02-11T23:59:59.000Z

15

Rare earth-transition metal scrap treatment method  

DOE Patents (OSTI)

Rare earth-transition metal (e.g. iron) scrap (e.g. Nd-Fe-B scrap) is melted to reduce the levels of tramp oxygen and nitrogen impurities therein. The tramp impurities are reduced in the melt by virtue of the reaction of the tramp impurities and the rare earth to form dross on the melt. The purified melt is separated from the dross for reuse. The oxygen and nitrogen of the melt are reduced to levels acceptable for reuse of the treated alloy in the manufacture of end-use articles, such as permanent magnets.

Schmidt, Frederick A. (Ames, IA); Peterson, David T. (Ames, IA); Wheelock, John T. (Nevada, IA); Jones, Lawrence L. (Des Moines, IA); Lincoln, Lanny P. (Woodward, IA)

1992-02-11T23:59:59.000Z

16

Colorado Rare Plant Technical Committee Annual Rare Plant Symposium Evening Presentation  

E-Print Network (OSTI)

) Development has avoided plant populations FERC ­ interstate pipelines, overseen & permitted by FERC Lead

17

Metal resistance sequences and transgenic plants  

DOE Patents (OSTI)

The present invention provides nucleic acid sequences encoding a metal ion resistance protein, which are expressible in plant cells. The metal resistance protein provides for the enzymatic reduction of metal ions including but not limited to divalent Cu, divalent mercury, trivalent gold, divalent cadmium, lead ions and monovalent silver ions. Transgenic plants which express these coding sequences exhibit increased resistance to metal ions in the environment as compared with plants which have not been so genetically modified. Transgenic plants with improved resistance to organometals including alkylmercury compounds, among others, are provided by the further inclusion of plant-expressible organometal lyase coding sequences, as specifically exemplified by the plant-expressible merB coding sequence. Furthermore, these transgenic plants which have been genetically modified to express the metal resistance coding sequences of the present invention can participate in the bioremediation of metal contamination via the enzymatic reduction of metal ions. Transgenic plants resistant to organometals can further mediate remediation of organic metal compounds, for example, alkylmetal compounds including but not limited to methyl mercury, methyl lead compounds, methyl cadmium and methyl arsenic compounds, in the environment by causing the freeing of mercuric or other metal ions and the reduction of the ionic mercury or other metal ions to the less toxic elemental mercury or other metals.

Meagher, Richard Brian (Athens, GA); Summers, Anne O. (Athens, GA); Rugh, Clayton L. (Athens, GA)

1999-10-12T23:59:59.000Z

18

Hydrometallurgical Plant Design Parameters for the Avalon Rare ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

19

DOE Announces Second RFI on Rare Earth Metals | Department of Energy  

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

Second RFI on Rare Earth Metals Second RFI on Rare Earth Metals DOE Announces Second RFI on Rare Earth Metals March 22, 2011 - 12:00am Addthis Washington, D.C. - The Department of Energy today released a Request for Information (RFI) soliciting information from the public on rare earth metals and other materials used in the energy sector. Responses to this RFI will inform an update to DOE's Critical Materials Strategy (pdf - 5.7mb ), released December 15, 2010, that assessed the use of rare earth metals and other materials important to the development and deployment of a variety of clean energy technologies, such as wind turbines, hybrid vehicles, solar panels and energy efficient light bulbs. The updated strategy, expected later this year, will include additional analysis of rapidly-changing market conditions. It will analyze the use

20

Production, Recovery and Recycling of Rare Earth Metals  

Science Conference Proceedings (OSTI)

This symposium is targeting on overview of the current state of the art for production, recovery and recycling of the rare earth. In addition the symposium is ...

Note: This page contains sample records for the topic "rare metals plant" 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

Production, Refining and Recycling of Rare Earth Metals  

Science Conference Proceedings (OSTI)

Mar 4, 2013... that by utilizing induction melting and vacuum distillation, RE metals with ... of Nd are simulated using the present thermodynamic database.

22

Yttrium and rare earth stabilized fast reactor metal fuel  

DOE Patents (OSTI)

To increase the operating temperature of a reactor, the melting point and mechanical properties of the fuel must be increased. For an actinide-rich fuel, yttrium, lanthanum and/or rare earth elements can be added, as stabilizers, to uranium and plutonium and/or a mixture of other actinides to raise the melting point of the fuel and improve its mechanical properties. Since only about 1% of the actinide fuel may be yttrium, lanthanum, or a rare earth element, the neutron penalty is low, the reactor core size can be reduced, the fuel can be burned efficiently, reprocessing requirements are reduced, and the nuclear waste disposal volumes reduced. A further advantage occurs when yttrium, lanthanum, and/or other rare earth elements are exposed to radiation in a reactor, they produce only short half life radioisotopes, which reduce nuclear waste disposal problems through much shorter assured-isolation requirements.

Guon, Jerold (Woodland Hills, CA); Grantham, LeRoy F. (Calabasas, CA); Specht, Eugene R. (Simi Valley, CA)

1992-01-01T23:59:59.000Z

23

Workers Demolish Metals Plant at Paducah Site | Department of Energy  

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

Demolish Metals Plant at Paducah Site Demolish Metals Plant at Paducah Site Workers Demolish Metals Plant at Paducah Site February 21, 2013 - 12:00pm Addthis The Metals Plant is shown before workers removed panels from the structure ln 2012. The Metals Plant is shown before workers removed panels from the structure ln 2012. Workers remove panels from the Metals Plant in September 2012. Workers remove panels from the Metals Plant in September 2012. About half of the complex was demolished by the end of December 2012, ahead of schedule. About half of the complex was demolished by the end of December 2012, ahead of schedule. An ultra-high-reach demolition machine — similar to equipment used to demolish Yankee Stadium — cuts into upper portions of the building’s last standing section late last month.

24

Hanford Site Rare Plant Monitoring Report for Calendar Year 2012  

SciTech Connect

Two patches of Columbian yellowcress on the Hanford Reach were visited in both 2011 and 2012 to compare ramet counts between years: near Allerd Pumphouse (Rkm 615.4) and near White Bluffs Boat Launch (Rkm 593.3) (Figure 3). In 2012, the population near Allerd Pumphouse had 45 ramets present within a 5x3 m area. At the same population in 2011, there were 60 ramets. In 2012, the population near White Bluffs Boat Launch had 105 ramets in a 2x2 m area. At the same population in 2011, there were 100 ramets. This data shows that while annual variability does exist, ramet counts were relatively similar from 2011 to 2012. This is likely due to the similar flow regimes of 2011 and 2012, which both had above average snowpack, high flows, and extended spring flooding seasons. A total of 19.6 miles (31.5 km) of the Hanford shoreline were surveyed in 2012, with ten patches identified and approximately 1,250 ramets counted. It is not known how many individual plants this count represents due to the rhizomatous nature of the species. Two of these sites were identified previously in the WNHP database, and the remaining eight were newly identified locations. Eleven of the ramets had flowers and/or buds in the patches located during 2012, but no fruits were found

Salstrom, D; Easterly, R; Lindsey, Cole T.; Nugent, John J.

2013-03-21T23:59:59.000Z

25

Managing Natural and Reintroduced Rare Plant Populations within a Large Government Reservation  

SciTech Connect

California is home to many large government reservations that have been in existence for decades. Many of these reservations were formed to support various Department of Defense and Department of Energy national defense activities. Often, only a very small percentage of the reservation is actively used for programmatic activities, resulting in large areas of intact habitat. In some cases, this has benefited rare plant populations, as surrounding lands have been developed for residential or industrial use. However, land management activities such as the suppression or active use of fire and other disturbance (such as fire trail grading) can also work to either the detriment or benefit of rare plant populations at these sites. A management regime that is beneficial to the rare plant populations of interest and is at best consistent with existing site programmatic activities, and at a minimum does not impact such activities, has the best potential for a positive outcome. As a result, some species may be 'difficult' while others may be 'easy' to manage in this context, depending on how closely the species biological requirements match the programmatic activities on the reservation. To illustrate, we compare and contrast two rare annual plant species found at Lawrence Livermore National Laboratory's Site 300. Although several populations of Amsinckia grandiflora have been restored on the site, and all populations are intensively managed, this species continues to decline. In contrast, Blepharizonia plumosa appears to take advantage of the annual controlled burns conducted on the site, and is thriving.

Carlsen, T M; Paterson, L E; Alfaro, T M

2009-07-15T23:59:59.000Z

26

The 6th Annual Colorado Rare Plant Symposium: G2 Plants of Colorado  

E-Print Network (OSTI)

Park; needs help! Plants need to be protected from spraying, etc. 6. Cirsium scapanolepis G1G2QS1 Need. Some are in sun, spray, etc. Brian E.: plant was not present on Hoosier Pass. Erin R.: positive 90 days for information. 2. Astragalus debequaeus G2S2 Ellen M.: was seen this year. Plants under utility towers did

27

Trace metal particulates in coal-fired power plant emissions.  

E-Print Network (OSTI)

??Since coal-fired power plants produce approximately 50% of U.S. energy, the toxic and environmental damaging effects of this energy source are important. Trace metals are (more)

Marett, Lanette Simone

2007-01-01T23:59:59.000Z

28

Liquid metal cooled nuclear reactor plant system  

DOE Patents (OSTI)

A liquid metal cooled nuclear reactor having a passive cooling system for removing residual heat resulting for fuel decay during reactor shutdown, or heat produced during a mishap. The reactor system is enhanced with sealing means for excluding external air from contact with the liquid metal coolant leaking from the reactor vessel during an accident. The invention also includes a silo structure which resists attack by leaking liquid metal coolant, and an added unique cooling means.

Hunsbedt, Anstein (Los Gatos, CA); Boardman, Charles E. (Saratoga, CA)

1993-01-01T23:59:59.000Z

29

Patterns of Plant Invasions: A Case Example in Native Species Hotspots and Rare Habitats  

E-Print Network (OSTI)

Land managers require landscape-scale information on where exotic plant species have successfully established, to better guide research, control, and restoration efforts. We evaluated the vulnerability of various habitats to invasion by exotic plant species in a 100,000 ha area in the southeast corner of Grand Staircase-Escalante National Monument, Utah. For the 97 0.1-ha plots in 11 vegetation types, exotic species richness (log 10 ) was strongly negatively correlated to the cover of cryptobiotic soil crusts (r =-0.47, P<0.001), and positively correlated to native species richness (r = 0.22, P<0.03), native species cover (r = 0.23, P<0.05), and total nitrogen in the soil (r = 0.40, P<0.001). Exotic species cover was strongly positively correlated to exotic species richness (r = 0.68, P<0.001). Only 6 of 97 plots did not contain at least one exotic species. Exotic species richness was particularly high in locally rare, mesic vegetation types and nitrogen rich soils. Dry, upland plots (n = 51) had less than half of the exotic species richness and cover compared to plots (n = 45) in washes and lowland depressions that collect water intermittently. Plots dominated by trees had significantly greater native and exotic species richness compared to plots dominated by shrubs. For the 97 plots combined, 33% of the variance in exotic species richness could be explained by a positive relationship with total plant cover, and negative relationships with the cover of cryptobiotic crusts and bare ground. There are several reasons for concern: (1) Exotic plant species are invading hot spots of native plant diversity and rare/unique habitats. (2) The foliar cover of exotic species was greatest in habitats that had been invaded by several exotic species. (3) Continued distu...

Thomas J. Stohlgren; Yuka Otsuki; Cynthia A. Villa; Michelle Lee; Jayne Belnap

2001-01-01T23:59:59.000Z

30

Layered Rare Earth and Transition Metal Materials: Synthesis, Modification and Catalytic Application.  

E-Print Network (OSTI)

?? This research contains three parts; the first two parts of this thesis demonstrate the synthesis of rare earth layered materials and their application in (more)

Zhang, Yashan

2013-01-01T23:59:59.000Z

31

7th Annual Colorado Rare Plant Symposium G1 Plants of Colorado; Current Conservation Status and Needs  

E-Print Network (OSTI)

, Greenland, and Mongolia. Plants in mountains of British Columbia is closest. Brian K.: On the subject,000 plants. Many plants along CO River near the water. Jill H.: Transcontinental pipeline went through

32

Vegetation Description, Rare Plant Inventory, and Vegetation Monitoring for Craig Mountain, Idaho.  

DOE Green Energy (OSTI)

The Craig Mountain Wildlife Mitigation Area was purchased by Bonneville Power Administration (BPA) as partial mitigation for wildlife losses incurred with the inundation of Dworshak Reservoir on the North Fork Clearwater River. Upon completion of the National Environmental Protection Act (NEPA) process, it is proposed that title to mitigation lands will be given to the Idaho Department of Fish and Game (IDFG). Craig Mountain is located at the northern end of the Hells Canyon Ecosystem. It encompasses the plateau and steep canyon slopes extending from the confluence of the Snake and Salmon rivers, northward to near Waha, south of Lewiston, Idaho. The forested summit of Craig Mountain is characterized by gently rolling terrain. The highlands dramatically break into the canyons of the Snake and Salmon rivers at approximately the 4,700 foot contour. The highly dissected canyons are dominated by grassland slopes containing a mosaic of shrubfield, riparian, and woodland habitats. During the 1993 and 1994 field seasons, wildlife, habitat/vegetation, timber, and other resources were systematically inventoried at Craig Mountain to provide Fish and Game managers with information needed to draft an ecologically-based management plan. The results of the habitat/vegetation portion of the inventory are contained in this report. The responsibilities for the Craig Mountain project included: (1) vegetation data collection, and vegetation classification, to help produce a GIS-generated Craig Mountain vegetation map, (2) to determine the distribution and abundance of rare plants populations and make recommendations concerning their management, and (3) to establish a vegetation monitoring program to evaluate the effects of Fish and Game management actions, and to assess progress towards meeting habitat mitigation goals.

Mancuso, Michael; Moseley, Robert

1994-12-01T23:59:59.000Z

33

RARE-EARTH METAL FISSION PRODUCTS FROM LIQUID U-Bi  

DOE Patents (OSTI)

Fission product metals can be removed from solution in liquid bismuth without removal of an appreciable quantity of uranium by contacting the liquid metal solution with fused halides, as for example, the halides of sodium, potassium, and lithium and by adding to the contacted phases a quantity of a halide which is unstable relative to the halides of the fission products, a specific unstable halide being MgCl/sub 3/.

Wiswall, R.H.

1960-05-10T23:59:59.000Z

34

The Investigation of the Rare Metal Content in the Geological Samples from Mongolia on the Iren Facility  

Science Conference Proceedings (OSTI)

Definition of the content of rare metals in the samples of ore was carried out by the method of the neutron activation analysis. IREN installation which represents the linear electron accelerator and no multiplying tungsten target served as the neutron source. The tungsten target has been located in the centre of the water moderator in diameter 15 cm.The irradiation has been spent on installation IREN within 8 hours 40 minutes. Electron energy was an order of 30 MeV, a current of an order 5 -10 microamperes. Samples settled down on the moderator surface. 2 samples of ore have been irradiated: Os-1 (m = 1.172 g), and Os-2 (m = 1.291 g) and a number of indicators for definition of neutron flux. Weights of indicators did not exceed a several milligrams.

Borzakov, S. B.; Nyamsuren, B.; Pavlov, S. S.; Ostrovnaya, T. M.; Shvetsov, V. N. [Frank Laboratory of Neutron Physics, JINR, Dubna (Russian Federation)

2011-06-28T23:59:59.000Z

35

Session III: Rare Earth Recycling and Hydrometallurgy  

Science Conference Proceedings (OSTI)

... Dresden and TU Dresden; 2Leibniz-Institute for Solid State and Materials Research Dresden; 3Korea Institute of Rare Metals; 4Korea Institute of Rare Metal

36

Plant rhamnogalacturonan II complexation of heavy metal cations  

DOE Patents (OSTI)

The present invention provides rhamnogalacturonan-II (RG-II) and relates to its ability to complex specific multivalent heavy metal cations. In the presence of boric acid, RG-II monomers form dimers that are cross-linked by a borate ester. The yield of such borate ester cross-linked dimers of RG-II is enhanced in the presence of specific heavy metal cations. The present invention further relates to the utility of RG-II in assays for the detection of specific heavy metal contamination; as a reagent useful in the removal of specific heavy metal cations contaminating foods and liquids, for example, fish, wines, etc.; as a pharmaceutical composition useful as an antidote in specific heavy metal cation poisoning; as a treatment for the detoxification of specific heavy metal cations from blood and/or tissues; and in a method of remediation of waters and soils contaminated with specific heavy metal cations.

O' Neill, Malcolm A. (Winterville, GA); Pellerin, Patrice J. M. (Montpellier, FR); Warrenfeltz, Dennis (Athens, GA); Vidal, Stephane (Combaillaux, FR); Darvill, Alan G. (Athens, GA); Albersheim, Peter (Athens, GA)

1999-01-01T23:59:59.000Z

37

Plant rhamnogalacturonan II complexation of heavy metal cations  

DOE Patents (OSTI)

The present invention provides rhamnogalacturonan-II (RG-II) and relates to its ability to complex specific multivalent heavy metal cations. In the presence of boric acid, RG-II monomers form dimers that are cross-linked by a borate ester. The yield of such borate ester cross-linked dimers of RG-II is enhanced in the presence of specific heavy metal cations. The present invention further relates to the utility of RG-II in assays for the detection of specific heavy metal contamination; as a reagent useful in the removal of specific heavy metal cations contaminating foods and liquids, for example, fish, wines, etc.; as a pharmaceutical composition useful as an antidote in specific heavy metal cation poisoning; as a treatment for the detoxification of specific heavy metal cations from blood and/or tissues; and in a method of remediation of waters and soils contaminated with specific heavy metal cations. 15 figs.

O`Neill, M.A.; Pellerin, P.J.M.; Warrenfeltz, D.; Vidal, S.; Darvill, A.G.; Albersheim, P.

1999-03-02T23:59:59.000Z

38

Liquid Metal Fast Breeder Reactor plant maintenance and equipment design  

Science Conference Proceedings (OSTI)

This paper provides a summary of maintenance equipment considerations and actual plant handling experiences from operation of a sodium-cooled reactor, the Fast Flux Test Facility (FFTF). Equipment areas relating to design, repair techniques, in-cell handling, logistics and facility services are discussed. Plant design must make provisions for handling and replacement of components within containment or allow for transport to an ex-containment area for repair. The modular cask assemblies and transporter systems developed for FFTF can service major plant components as well as smaller units. The plant and equipment designs for the Clinch River Breeder Reactor (CRBR) plant have been patterned after successful FFTF equipment.

Swannack, D.L.

1982-06-07T23:59:59.000Z

39

Improvement of Plants for Selenium and Heavy Metal Phytoremediation Through Genetic Engineering  

Science Conference Proceedings (OSTI)

Phytoremediation -- the use of plants to remove, stabilize, or detoxify pollutants -- has proved very promising for the cleanup of trace elements from contaminated soil and water. Under the EPRI-Genetics Research Program, investigators successfully used genetic engineering to create seven genetically altered lines of plants with superior capacities for the phytoremediation of selenium (Se) and heavy metals, such as Molybdenum (Mo), Tungsten (W), and Cadmium (Cd). These transgenic plants are more tolerant...

1999-12-13T23:59:59.000Z

40

PRELIMINARY SURVEY OF THE UNION CARBIDE CORPORATION METALS DIVISION PLANT, NIAGARA FALLS, NEW YORK  

Office of Legacy Management (LM)

e e - .' N"lr 7% PRELIMINARY SURVEY OF THE UNION CARBIDE CORPORATION METALS DIVISION PLANT, NIAGARA FALLS, NEW YORK Work performed by the Health and Safety Research Division Oak Ridge Natjonal Laboratory Oak Ridge, Tennessee 37830 December 1980 OAK RIDGE NATIONAL LABORATORY operated by UNION CARBIDE CORPORATION for the DEPARTMENT OF ENERGY as part of the Formerly Utilized Sites-- Remedial Action Program PRELIMINARY SURVEY OF THE UNION CARBIDE CORPORATION METALS DIVISION PLANT, NIAGARA FALLS, NEW YORK B. A. Berven and R. W. Doane Introduction On September 2;, 1980, two representatives from Oak Ridge National Laboratory visited Union Carbide Corporation's Metal Division Plant (UCC-MD) in Niagara Falls, New York. The purpose of the visit was to

Note: This page contains sample records for the topic "rare metals plant" 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

Method for removal of metal atoms from aqueous solution using suspended plant cells  

DOE Patents (OSTI)

The use of plant suspension cultures to remove ionic metallic species and TNT-based explosives and their oxidation products from aqueous solution is described. Several plant strains were investigated including D. innoxia, Citrus citrus, and Black Mexican Sweet Corn. All showed significant ability to remove metal ions. Ions removed to sub-ppm levels include barium, iron, and plutonium. D. innoxia cells growing in media containing weapons effluent contaminated with Ba.sup.2+ also remove TNT, other explosives and oxidation products thereof from solution. The use of dead, dehydrated cells were also found to be of use in treating waste directly.

Jackson, Paul J. (Los Alamos, NM); Torres, deceased, Agapito P. (late of Los Alamos, NM); Delhaize, Emmanuel (Kaleen, AU)

1992-01-01T23:59:59.000Z

42

Microstructural investigations of rare-earth transition-metal-based magnetocaloric materials for near-room-temperature applications  

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

LOGO LOGO Spomenka Kobe, Paul McGuiness, Boris Saje Jožef Stefan Institute Rare-Earth Permanent Magnets in Europe KOLEKTOR *China's Complete Control of Global High-Tech Magnet Industry Rare-earth minerals are used in: rechargeable batteries (in camcorders), cell phones, PDAs, laptop computers and other portable devices.. wind turbines, drinking water filters, petrochemical catalysts, polishing powders, hydrogen storage, fluorescent lighting, flat panels, color televisions, glass, ceramics and automotive catalysts. fiberoptics, dental and surgical lasers, MRI systems, as medical contrast agents, in medical isotopes and in positron emission tomography scintillation detectors. magnetic refrigeration rechargeable batteries used in hybrid vehicles permanent magnets

43

Progressive Powder Coating: New Infrared Curing Oven at Metal Finishing Plant Increases Production by 50%  

SciTech Connect

Progressive Powder Coating in Mentor, Ohio, is a metal finishing plant that uses a convection oven in its manufacturing process. In an effort to save energy and improve production, the company installed an infrared oven in between the powder coating booth and the convection oven on its production line. This installation allowed the plant to increase its conveyor line speed and increase production by 50 percent. In addition, the plant reduced its natural gas consumption, yielding annual energy savings of approximately$54,000. With a total project cost of$136,000, the simple payback is 2.5 years.

Not Available

2003-05-01T23:59:59.000Z

44

Synthesis, structural characterization and magnetic properties of RE{sub 2}MgGe{sub 2} (RE=rare-earth metal)  

SciTech Connect

A series of rare-earth metal-magnesium-germanides RE{sub 2}MgGe{sub 2} (RE=Y, Nd, Sm, Gd-Tm, Lu) has been synthesized by reactions of the corresponding elements at high temperature. Their structures have been established by single-crystal and powder X-ray diffraction and belong to the Mo{sub 2}FeB{sub 2} structure type (space group P4/mbm (No. 127), Z=2; Pearson symbol tP10). Temperature dependent DC magnetization measurements indicate Curie-Weiss paramagnetism in the high-temperature regime for all members of the family, excluding Y{sub 2}MgGe{sub 2}, Sm{sub 2}MgGe{sub 2}, and Lu{sub 2}MgGe{sub 2}. At cryogenic temperatures (ca. 60 K and below), most RE{sub 2}MgGe{sub 2} phases enter into an antiferromagnetic ground-state, except for Er{sub 2}MgGe{sub 2} and Tm{sub 2}MgGe{sub 2}, which do not undergo magnetic ordering down to 5 K. The structural variations as a function of the decreasing size of the rare-earth metals, following the lanthanide contraction, and the changes in the magnetic properties across the series are discussed as well. - Graphical Abstract: The structure of RE{sub 2}MgGe{sub 2} (RE=Y, Nd, Sm, Gd-Tm, Lu) can be best viewed as 2-dimensional slabs of Mg and Ge atoms (anionic sub-lattice), and layers of rare-earth metal atoms (cationic sub-lattice) between them. Within this description, one should consider the Ge-Ge dumbbells (formally Ge{sup 6-}{sub 2}), interconnected with square-planar Mg atom as forming flat [MgGe{sub 2}] layers (z=0), stacked along the c-axis with the layers at z=1/2, made of rare-earth metal cations (formally RE{sup 3+}). Highlights: > RE{sub 2}MgGe{sub 2} (RE=Y, Nd, Sm, Gd-Tm, Lu) are new ternary germanides. > Their structures can be recognized as a 1:1 intergrowth of CsCl- and AlB{sub 2}-like slabs. > Ge atoms are covalently bound into Ge{sub 2} dumbbells. > Most RE{sub 2}MgGe{sub 2} phases are antiferromagnetically ordered at cryogenic temperatures.

Suen, Nian-Tzu; Tobash, Paul H. [Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716 (United States); Bobev, Svilen, E-mail: bobev@udel.edu [Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716 (United States)

2011-11-15T23:59:59.000Z

45

PRISM; The plant design concept for the U. S. advanced liquid metal reactor program  

SciTech Connect

The US program for development of an advanced liquid metal reactor (ALMR) is proceeding into a new phase of focused design development. This new phase started at the beginning of 1989; its objective is to complete the conceptual design of the US ALMR, with supporting key feature tests, sufficiently to enter a more detailed design phase and subsequent construction of a prototype reactor plant. A project goal is to demonstrate by actual performance of the reactor its passive, inherent safety features and thereby provide the technical basis for certification of the design by the Nuclear Regulatory Commission (NRC). This paper reports on the PRISM (power reactor inherently safe module) reactor concept which in combination with the IFR (integral fast reactor) metal fuel cycle being developed by Argonne National Laboratory, was selected by DOE in 1988 as the reference design for the US ALMR program.

Berglund, R.C.; Tippets, F.E. (GE Nuclear Energy, Advance Nuclear Technology, San Jose, CA (US))

1989-01-01T23:59:59.000Z

46

Precious Metals  

Science Conference Proceedings (OSTI)

"Advances in the Extractive Metallurgy of Selected Rare and Precious Metals" ( 1991 Review of Extractive Metallurgy), J.E. Hoffmann, April 1991, pp. 18-23.

47

Recycling Of Uranium- And Plutonium-Contaminated Metals From Decommissioning Of The Hanau Fuel Fabrication Plant  

SciTech Connect

Decommissioning of a nuclear facility comprises not only actual dismantling but also, above all, management of the resulting residual materials and waste. Siemens Decommissioning Projects (DP) in Hanau has been involved in this task since 1995 when the decision was taken to decommission and dismantle the Hanau Fuel Fabrication Plant. Due to the decommissioning, large amounts of contaminated steel scrap have to be managed. The contamination of this metal scrap can be found almost exclusively in the form of surface contamination. Various decontamination technologies are involved, as there are blasting and wiping. Often these methods are not sufficient to meet the free release limits. In these cases, SIEMENS has decided to melt the scrap at Siempelkamp's melting plant. The plant is licensed according to the German Radiation Protection Ordinance Section 7 (issue of 20.07.2001). The furnace is a medium frequency induction type with a load capacity of 3.2 t and a throughput of 2 t/h for steel melting. For safety reasons, the furnace is widely operated by remote handling. A highly efficient filter system of cyclone, bag filter and HEPA-filter in two lines retains the dust and aerosol activity from the off-gas system. The slag is solidified at the surface of the melt and gripped before pouring the liquid iron into a chill. Since 1989, in total 15,000 t have been molten in the plant, 2,000 t of them having been contaminated steel scrap from the decommissioning of fuel fabrication plants. Decontamination factors could be achieved between 80 and 100 by the high affinity of the uranium to the slag former. The activity is transferred to the slag up to nearly 100 %. Samples taken from metal, slag and dust are analyzed by gamma measurements of the 186 keV line of U235 and the 1001 keV line of Pa234m for U238. All produced ingots showed a remaining activity less than 1 Bq/g and could be released for industrial reuse.

Kluth, T.; Quade, U.; Lederbrink, F. W.

2003-02-26T23:59:59.000Z

48

Recycling Of Uranium- And Plutonium-Contaminated Metals From Decommissioning Of The Hanau Fuel Fabrication Plant  

SciTech Connect

Decommissioning of a nuclear facility comprises not only actual dismantling but also, above all, management of the resulting residual materials and waste. Siemens Decommissioning Projects (DP) in Hanau has been involved in this task since 1995 when the decision was taken to decommission and dismantle the Hanau Fuel Fabrication Plant. Due to the decommissioning, large amounts of contaminated steel scrap have to be managed. The contamination of this metal scrap can be found almost exclusively in the form of surface contamination. Various decontamination technologies are involved, as there are blasting and wiping. Often these methods are not sufficient to meet the free release limits. In these cases, SIEMENS has decided to melt the scrap at Siempelkamp's melting plant. The plant is licensed according to the German Radiation Protection Ordinance Section 7 (issue of 20.07.2001). The furnace is a medium frequency induction type with a load capacity of 3.2 t and a throughput of 2 t/h for steel melting. For safety reasons, the furnace is widely operated by remote handling. A highly efficient filter system of cyclone, bag filter and HEPA-filter in two lines retains the dust and aerosol activity from the off-gas system. The slag is solidified at the surface of the melt and gripped before pouring the liquid iron into a chill. Since 1989, in total 15,000 t have been molten in the plant, 2,000 t of them having been contaminated steel scrap from the decommissioning of fuel fabrication plants. Decontamination factors could be achieved between 80 and 100 by the high affinity of the uranium to the slag former. The activity is transferred to the slag up to nearly 100 %. Samples taken from metal, slag and dust are analyzed by gamma measurements of the 186 keV line of U235 and the 1001 keV line of Pa234m for U238. All produced ingots showed a remaining activity less than 1 Bq/g and could be released for industrial reuse.

Kluth, T.; Quade, U.; Lederbrink, F. W.

2003-02-26T23:59:59.000Z

49

Rare Earth Metals | Ames Laboratory  

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

are critical components in modern electronic technologies, ranging from TVs, fluorescent light bulbs, cell phones and computers to "green" magnets in electric motors that power...

50

Rare Metals Separations with MRT  

Science Conference Proceedings (OSTI)

Sorption of Se(IV) and Se(VI) Ions onto Biomass Ash ... Tellurium Supply Sensitivity to Growth of Non-Traditional Copper Extraction Techniques - Implications for...

51

Production method for making rare earth compounds  

DOE Patents (OSTI)

A method of making a rare earth compound, such as a earth-transition metal permanent magnet compound, without the need for producing rare earth metal as a process step, comprises carbothermically reacting a rare earth oxide to form a rare earth carbide and heating the rare earth carbide, a compound-forming reactant (e.g. a transition metal and optional boron), and a carbide-forming element (e.g. a refractory metal) that forms a carbide that is more thermodynamically favorable than the rare earth carbide whereby the rare earth compound (e.g. Nd.sub.2 Fe.sub.14 B or LaNi.sub.5) and a carbide of the carbide-forming element are formed.

McCallum, R. William (Ames, IA); Ellis, Timothy W. (Ames, IA); Dennis, Kevin W. (Ames, IA); Hofer, Robert J. (Ames, IA); Branagan, Daniel J. (Ames, IA)

1997-11-25T23:59:59.000Z

52

Alternative Process for Rare Earths Recovery from Bastnasite ...  

Science Conference Proceedings (OSTI)

Presentation Title, Alternative Process for Rare Earths Recovery from ... Emerging Issues Around Critical Metals for Clean Energy Automotive Applications.

53

Rare earth thermoelectrics  

DOE Green Energy (OSTI)

The author reviews the thermoelectric properties of metallic compounds which contain rare-earth atoms. They are the group of metals with the largest value ever reported of the Seebeck coefficient. An increase by 50% of the Seebeck would make these compounds useful for thermoelectric devices. The largest Seebeck coefficient is found for compounds of cerium (e.g., CePd{sub 3}) and ytterbium (e.g., YbAl{sub 3}). Theoretical predictions are in agreement with the maximum observed Seebeck. The author discusses the theoretical model which has been used to calculate the Seebeck coefficient. He is solving this model for other configurations (4f){sup n} of rare-earth ground states.

Mahan, G.D.

1997-09-01T23:59:59.000Z

54

Improved method for preparing rare earth sesquichalcogenides  

DOE Patents (OSTI)

An improved method for the preparation of high purity rare earth sesquichalcogenides is described. The rare earth, as one or more pieces of the metal, is sealed under a vacuum with a stoichiometric amount of sulfur or selenium and a small amount of iodine into a quartz reaction vessel. The sealed vessel is then heated to above the vaporization temperature of the chalcogen and below the melting temperature of the rare earth metal and maintained until the product has been formed. The iodine is then vaporized off leaving a pure product. The rare earth sulfides and selenides thus formed are useful as semiconductors and as thermoelectric generators. 3 tables.

Takeshita, T.; Beaudry, B.J.; Gschneidner, K.A. Jr.

1982-04-14T23:59:59.000Z

55

Influence of biologically-active substances on {sup 137}Cs and heavy metals uptake by Barley plant  

SciTech Connect

Available in abstract form only. Full text of publication follows: When solving the problem of contaminated agricultural lands rehabilitation, most of attention is concentrated on the effective means which allow the obtaining of ecologically safe production. The minimization of radionuclides and heavy metals (HM) content in farm products on the basis of their migration characteristics in agro-landscapes and with the regard for different factors influencing contaminants behavior in the soil-plant system is of great significance. Our investigation has shown that the effect of biologically active substances (BAS) using for seeds treatment on {sup 137}Cs transfer to barley grown on Cd contaminated soil was dependent on their properties and dosage, characteristics of soil contamination and biological peculiarities of plants, including stage of plants development. Seeds treatment by plant growth regulator Zircon resulted in a significant increase in {sup 137}Cs activity in harvest (40- 50%), increase in K concentration and significant reduction in Ca concentration. Increased Cd content in soil reduced {sup 137}Cs transfer to barley plants by 30-60% (p<0,05) and Zircon application further reduced its concentration. Ambiol and El also reduced {sup 137}Cs uptake by roots and Cd and Pb phyto-toxicity. The experimental data do not make it possible to link the BAS effect on inhibition of {sup 137}Cs absorption by plants directly with their influence on HM phyto-toxicity. The dependence of Concentration Ratio of {sup 137}Cs on the Ambiol and El dose was not proportional and the most significant decrease in the radionuclide uptake by plants was reported with the use of dose showing the most pronounced stimulating effect on the barley growth and development. The pre-sowing seed treatment with Ambiol increased Pb absorption by 35-50% and, on the contrary, decreased Cd uptake by plants by 30-40%. (authors)

Kruglov, Stanislav; Filipas, Alexander [Russian Institute of Agricultural Radiology and Agroecology, 249020 Obninsk (Russian Federation)

2007-07-01T23:59:59.000Z

56

RESEARCH AND DEVELOPMENT IN THE FIELD OF THORIUM CHEMISTRY AND METALLURGY. VOLUME III. COST ESTIMATE FOR 1,000 TON YR. THORIUM METAL PRODUCTION PLANT. Final Report  

SciTech Connect

The described plant will produce reactor grade Th at a price of 07 per pound. The plant operation is based on the preparation of electrolytic cell feed by fused salt chlorination techniques and converting the feed to high quality metal by high temperature electrolysis. (D.E.B.)

Wyatt, J.L.

1956-06-30T23:59:59.000Z

57

Abstract--Grazing incidence metal mirrors in laser-driven IFE power plants are subject to a variety of threats that result  

E-Print Network (OSTI)

Abstract--Grazing incidence metal mirrors in laser-driven IFE power plants are subject to a variety [4] at UCSD, and help define design windows for the GIMM in a laser-driven IFE power plant's wave scattering theory to evaluate degradation of the beam performance. For a damaged surface

Tillack, Mark

58

Towards metal electrode interface scavenging of rare-earth scandates: A Sc2O3 and Gd2O3 study  

Science Conference Proceedings (OSTI)

Amorphous Gd"2O"3 and Sc"2O"3 thin films were deposited on Si by high-pressure sputtering (HPS). In order to reduce the uncontrolled interfacial SiO"x growth, firstly a metallic film of Gd or Sc was sputtered in pure Ar plasma. Subsequently, they were ... Keywords: Gadolinium oxide, High-k, Scandium oxide, Scavenging

M. A. Pampilln; P. C. Feijoo; E. San Andrs; M. Toledano-Luque; A. del Prado; A. J. Blzquez; M. L. Luca

2011-07-01T23:59:59.000Z

59

Rare Earth Extraction by Molten Oxide Electrolysis  

Science Conference Proceedings (OSTI)

Symposium, Production, Refining and Recycling of Rare Earth Metals ... Electrolysis in molten halides is an established method for the reduction but requires ... Recycling of Different Sintered Magnet Grades by Hydrogen Processing Yielding...

60

Electronic interactions give rise to quantum phenomena in rare...  

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

exist in a wide variety of correlated electron systems, including cuprate high-temperature superconductors, transition-metal itinerant magnets, rare-earth compounds, and organic...

Note: This page contains sample records for the topic "rare metals plant" 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

Rare Earth Elements Industry Overview and Advanced Materials  

Science Conference Proceedings (OSTI)

In response to booming growth in the industrial output and rare metal demand in Korea, The Korean Government, through such organizations as KIRAM and...

62

Rare Earth Oxide Coatings for Life Extension of Chromia Forming ...  

Science Conference Proceedings (OSTI)

Feb 1, 2001 ... TMS: The Minerals, Metals and Materials Society Home ... Rare Earth Oxide Coatings for Life Extension of Chromia Forming Alloys by Stela...

63

The Influence of Nb on the Rare Earth Heavy Rail Steel Mechanical ...  

Science Conference Proceedings (OSTI)

Micro-alloying through the additions of Nb or rare earth (RE) elements has been proved ... Group Metals by the Metal-ion Reducing Bacterium Shewanella Algae.

64

Dispersal and disturbance as factors limiting the distribution of rare plant species at the Savannah River Site and the Carolina Sandhills National Wildlife Refuge.  

Science Conference Proceedings (OSTI)

An experiment was conducted to identify effective methods of creating new populations of herbaceous species in managed upland longleaf pine forest at two locations in the Fall-line Sandhills of South Carolina. We included thirteen species and a variety of site treatments. All sites were burned and lightly raked prior to planting. Sowing seeds on untreated or fertilized treatments resulted in the lowest establishment of all treatments. Digging the planting area to remove belowground plant structures and using hardware cloth cages to exclude potential mammalian seed predators and herbivores led to increased establishment of target species. Establishment was higher using seedling transplants compared to seeds. Success rate was highly variable among sites so population establishment efforts should try to incorporate many sites initially to find the sites that give the greatest chance of success, or increase efforts to carefully identify species, habitat requirements and screen potential sites accordingly. Some species showed very low rates of success despite the variety of methods used; for such species additional work is required on their basic ecology, in particular germination biology and site requirements, as part of a restoration project. The overall low rate of establishment success emphasizes the need to protect and manage existing populations of uncommon Sandhills species, and to recognize that establishing large, long-term, reproducing populations of such species will be difficult.

Primack, Richard; Walker, Joan.

2003-12-10T23:59:59.000Z

65

Au/MxOy/TiO2 catalysts for CO oxidation: promotional effect of main-group, transition, and rare-earth metal oxide additives.  

SciTech Connect

Au/TiO2 catalysts are active for CO oxidation, but they suffer from high-temperature sintering of the gold particles, and few attempts have been made to promote or stabilize Au/TiO2. Our recent communication addressed these issues by loading gold onto Al2O3/TiO2 prepared via surface-sol-gel processing of Al(sec-OC4H9)3 on TiO2. In our current full paper, Au/Al2O3/TiO2 catalysts were prepared alternatively by thermal decomposition of Al(NO3)3 on TiO2 followed by loading gold, and the influences of the decomposition temperature and Al2O3 content were systematically surveyed. This facile method was subsequently extended to the preparation of a battery of metal oxide-modified Au/TiO2 catalysts virtually not reported. It was found that Au/TiO2 modified by CaO, NiO, ZnO, Ga2O3, Y2O3, ZrO2, La2O3, Pr2O3, Nd2O3, Sm2O3, Eu2O3, Gd2O3, Dy2O3, Ho2O3, Er2O3, or Yb2O3 could retain significant activity at ambient temperature even after aging in O2-He at 500 C, whereas unmodified Au/TiO2 lost its activity. Moreover, some 200 C-calcined promoted catalysts showed high activity even at about -100 C. The deactivation and regeneration of some of these new catalysts were studied. This work furnished novel catalysts for further fundamental and applied research.

Ma, Zhen [ORNL; Overbury, Steven {Steve} H [ORNL; Dai, Sheng [ORNL

2007-01-01T23:59:59.000Z

66

Metal versus rare-gas ion irradiation during Ti{sub 1-x}Al{sub x}N film growth by hybrid high power pulsed magnetron/dc magnetron co-sputtering using synchronized pulsed substrate bias  

Science Conference Proceedings (OSTI)

Metastable NaCl-structure Ti{sub 1-x}Al{sub x}N is employed as a model system to probe the effects of metal versus rare-gas ion irradiation during film growth using reactive high-power pulsed magnetron sputtering (HIPIMS) of Al and dc magnetron sputtering of Ti. The alloy film composition is chosen to be x = 0.61, near the kinetic solubility limit at the growth temperature of 500 Degree-Sign C. Three sets of experiments are carried out: a -60 V substrate bias is applied either continuously, in synchronous with the full HIPIMS pulse, or in synchronous only with the metal-rich-plasma portion of the HIPIMS pulse. Alloy films grown under continuous dc bias exhibit a thickness-invariant small-grain, two-phase nanostructure (wurtzite AlN and cubic Ti{sub 1-x}Al{sub x}N) with random orientation, due primarily to intense Ar{sup +} irradiation leading to Ar incorporation (0.2 at. %), high compressive stress (-4.6 GPa), and material loss by resputtering. Synchronizing the bias with the full HIPIMS pulse results in films that exhibit much lower stress levels (-1.8 GPa) with no measureable Ar incorporation, larger grains elongated in the growth direction, a very small volume fraction of wurtzite AlN, and random orientation. By synchronizing the bias with the metal-plasma phase of the HIPIMS pulses, energetic Ar{sup +} ion bombardment is greatly reduced in favor of irradiation predominantly by Al{sup +} ions. The resulting films are single phase with a dense competitive columnar structure, strong 111 orientation, no measureable trapped Ar concentration, and even lower stress (-0.9 GPa). Thus, switching from Ar{sup +} to Al{sup +} bombardment, while maintaining the same integrated incident ion/metal ratio, eliminates phase separation, minimizes renucleation during growth, and reduces the high concentration of residual point defects, which give rise to compressive stress.

Greczynski, Grzegorz; Lu Jun; Jensen, Jens; Petrov, Ivan; Greene, Joseph E.; Bolz, Stephan; Koelker, Werner; Schiffers, Christoph; Lemmer, Oliver; Hultman, Lars [Department of Physics (IFM), Linkoeping University, SE-581 83 Linkoeping (Sweden); Department of Physics (IFM), Linkoeping University, SE-581 83 Linkoeping (Sweden) and Materials Science Department and Frederick Seitz Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801 (United States); Department of Physics (IFM), Linkoeping University, SE-581 83 Linkoeping (Sweden); Materials Science Department and Frederick Seitz Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801 (United States) and Department of Physics, University of Illinois, Urbana, Illinois 61801 (United States); CemeCon AG, Adenauerstr. 20 A4, D-52146 Wurselen (Germany); Department of Physics (IFM), Linkoeping University, SE-581 83 Linkoeping (Sweden)

2012-11-15T23:59:59.000Z

67

METAL PRODUCTION AND CASTING  

DOE Patents (OSTI)

This patent covers a method and apparatus for collecting the molten metal produced by high temperature metal salt reduction. It consists essentially of subjecting the reaction vessel to centrifugal force in order to force the liberatcd molten metal into a coherent molten mass, and allowing it to solidify there. The apparatus is particularly suitable for use with small quantities of rare metals.

Magel, T.T.

1958-03-01T23:59:59.000Z

68

Remedial actions at the former Vitro Rare Metals plant site, Canonsburg, Washington County, Pennsylvania. Final Environmental Impact Statement. Volume II. Appendices  

SciTech Connect

This report provides a summary of the conceptual design and other information necessary to understand the proposed remedial action at the expanded Canonsburg, Pennsylvania site. This design constitutes the current approach to stabilizing the radioactively contaminated materials in place in a manner that would fully protect the public health and environment. This summary is intended to provide sufficient detail for the reader to understand the proposed remedial action and the anticipated environmental impacts. The site conceptual design has been developed using available data. In some cases, elements of the design have not been developed fully and will be made final during the detailed design process.

1983-07-01T23:59:59.000Z

69

A Review on Iron Separation in Rare Earths Hydrometallurgy Using ...  

Science Conference Proceedings (OSTI)

... solvent extraction, and some alternative methods (e.g., thermal cracking). ... Assessment and Management of Radioactivity in Rare Earth Element Production ... Hydrometallurgical Plant Design Parameters for the Avalon Rare Earth Process ... Mitigation of Rare Earth Supply Risk Posed by Permanent Magnets Used in...

70

Rare Earth Elements in Transportation  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

71

Rare Plant Conservation Planning Workshop Results  

E-Print Network (OSTI)

, and potentially by future oil and gas development. To abate these and other threats, participants of the Summer Conduct research on impacts of cattle grazing; natural history; and how to best monitor the phacelia. High RPI/Grad student TBD. Re natural history: See report from Kathy Darrow - 1990 study. Need

72

CADMIUM-RARE EARTH BORATE GLASS AS REACTOR CONTROL MATERIAL  

DOE Patents (OSTI)

A reactor control rod fabricated from a cadmiumrare earth-borate glass is presented. The rare earth component of this glass is selected from among those rare earths having large neutron capture cross sections, such as samarium, gadolinium or europium. Partlcles of this glass are then dispersed in a metal matrix by standard powder metallurgy techniques.

Ploetz, G.L.; Ray, W.E.

1958-11-01T23:59:59.000Z

73

Rare earth gas laser  

DOE Patents (OSTI)

A high energy gas laser with light output in the infrared or visible region of the spectrum is described. Laser action is obtained by generating vapors of rare earth halides, particularly neodymium iodide or, to a lesser extent, neodymium bromide, and disposing the rare earth vapor medium in a resonant cavity at elevated temperatures; e.g., approximately 1200/sup 0/ to 1400/sup 0/K. A particularly preferred gaseous medium is one involving a complex of aluminum chloride and neodymium chloride, which exhibits tremendously enhanced vapor pressure compared to the rare earth halides per se, and provides comparable increases in stored energy densities.

Krupke, W.F.

1975-10-31T23:59:59.000Z

74

Critical Materials and Rare Futures: Ames Laboratory Signs a New Agreement  

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

Critical Materials and Rare Futures: Ames Laboratory Signs a New Critical Materials and Rare Futures: Ames Laboratory Signs a New Agreement on Rare-Earth Research Critical Materials and Rare Futures: Ames Laboratory Signs a New Agreement on Rare-Earth Research June 15, 2011 - 7:07pm Addthis The plasma torch in the Retech plasma furnace is one tool used in Materials Preparation Center to create ultra-high purity metal alloy samples, particularly rare-earth metals, located at the Ames Lab. | Photo Courtesy of the Ames Lab Flickr The plasma torch in the Retech plasma furnace is one tool used in Materials Preparation Center to create ultra-high purity metal alloy samples, particularly rare-earth metals, located at the Ames Lab. | Photo Courtesy of the Ames Lab Flickr Charles Rousseaux Charles Rousseaux Senior Writer, Office of Science

75

J13: Surface Reaction of High Corrosion Resistance Metals in ...  

Science Conference Proceedings (OSTI)

Symposium, J. Materials and Processes for Enhanced Performance ... Separation and Recovery Process of Rare Metals from Oil Desulfurization Spent Catalyst.

76

Processing of Tungsten Carbide Reinforced Ceramic and Metal ...  

Science Conference Proceedings (OSTI)

Symposium, J. Materials and Processes for Enhanced Performance ... Separation and Recovery Process of Rare Metals from Oil Desulfurization Spent Catalyst.

77

Porous metallic bodies  

DOE Patents (OSTI)

Porous metallic bodies having a substantially uniform pore size of less than about 200 microns and a density of less than about 25 percent theoretical, as well as the method for making them, are disclosed. Group IIA, IIIB, IVB, VB, and rare earth metal hydrides a

Landingham, R.L.

1984-03-13T23:59:59.000Z

78

EFFECTS ON CHP PLANT EFFICIENCY OF H2 PRODUCTION THROUGH PARTIAL OXYDATION OF NATURAL GAS OVER TWO GROUP VIII METAL  

E-Print Network (OSTI)

EFFECTS ON CHP PLANT EFFICIENCY OF H2 PRODUCTION THROUGH PARTIAL OXYDATION OF NATURAL GAS OVER TWO with natural gas in spark ignition engines can increase for electric efficiency. In-situ H23 production for spark ignition engines fuelled by natural gas has therefore been investigated recently, and4 reformed

79

The Colorado Rare Plant Technical Committee presents: Colorado Rare Plant Symposium  

E-Print Network (OSTI)

(16 are historical) · Colorado individuals: >230,000 · Primary threats: Oil shale mining and oil individuals: >24,500 · Primary threats: Oil shale mining and oil and gas development · Land ownership

80

The Colorado Rare Plant Technical Committee presents: Colorado Rare Plant Symposium  

E-Print Network (OSTI)

, oil shale and nahcolite mining, ORV use, overgrazing, trampling by wild horses · Land ownership · Occurrences: 6 · Individuals: 4000-6000 · Primary threats: oil and gas development, oil shale development, ORV use, overgrazing, oil shale mining · Land ownership/management: BLM, private, USFS #12;Phacelia

Note: This page contains sample records for the topic "rare metals plant" 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

The Colorado Rare Plant Technical Committee presents: Colorado Rare Plant Symposium  

E-Print Network (OSTI)

, and gas development, seismic exploration · Land ownership/management: Ute Mountain Ute #12;Astragalus threats: unknown, area heavily grazed in past, OHV and oil & gas development for UT occurrences. · Land is historical) · Individuals: 25,000-50,000 · Primary threats: recreation, mining, oil and gas development

82

Control of the Accumulation of Non-Process Elements in Pulp Mills with Bleach Filtrate Reuse: A Chemical Equilibrium Approach to Predicting the Partitioning of Metals in Pulp Mill and Bleach Plant Streams  

DOE Green Energy (OSTI)

The overall goal of this project was to develop fundamental, experimentally based methods for predicting the solubility or organic and inorganic matter and their interactions in recycled effluent from kraft pulp mills and bleach plants. This included: characterizing the capacity of wood pulp and dissolved organic matter to bind metal ions, developing a thermodynamic database of properties needed to describe the solubility of inorganic matter in pulp mill streams, incorporation of the database into equilibrium calculation software for predicting the solubility of the metals of interest, and evaluating its capability to predict the distribution of the metals between pulp fibers, inorganic precipitates, and solution.

Frederick, W.J. Jr.; Rudie, A.W.; Schmidl, G.W.; Sinquefield, S.A.; Rorrer, G.L.; Laver, M.L.; Yantasee, W.; Ming, D.

2000-08-01T23:59:59.000Z

83

Rare B Decays  

SciTech Connect

Recent results from Belle and BaBar on rare B decays involving flavor-changing neutral currents or purely leptonic final states are presented. Measurements of the CP asymmetries in B {yields} K*{gamma} and b {yields} s{gamma} are reported. Also reported are updated limits on B{sup +} {yields} K{sup +}{nu}{bar {nu}}, B{sup +} {yields} {tau}{sup +}{nu}, B{sup +} {yields} {mu}{sup +}{nu} and the recent measurement of B {yields} X{sub s}{ell}{sup +}{ell}{sup -}.

Jackson, P.D.; /Victoria U.

2006-02-24T23:59:59.000Z

84

Rare Decays of the $?^{'}$  

E-Print Network (OSTI)

We have searched for the rare decays of the eta prime meson to e+ e- eta, e+ e- pizero, e+ e- gamma, and e mu in hadronic events at the CLEO II detector. The search is conducted on 4.80 fb^-1 of e+ e- collisions at the Cornell Electron Storage Ring. We find no signal in any of these modes, and set 90% confidence level upper limits on their branching fractions of 2.4 X 10^-3, 1.4 X 10^-3, 0.9 X 10^-3, and 4.7 X 10^-4, respectively. We also investigate the Dalitz plot of the common decay of the eta prime to pi+ pi- eta. We fit the matrix element with the Particle Data Group parameterization and find Re(alpha) = -0.021 +- 0.025, where alpha is a linear function of the kinetic energy of the eta.

R. A. Briere

1999-07-23T23:59:59.000Z

85

Magnetism of rare earth epitaxial films and rare earth based ...  

Science Conference Proceedings (OSTI)

... The cases of heavy and light rare earth will be successively presented, the latter being of particular interest because ... Back to Seminar Home Page. ...

86

Rare Earths from Monazite - Indian Experience  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

87

Replacing the Rare Earth Intellectual Capital  

SciTech Connect

The rare earth crisis slowly evolved during a 10 to 15 year period beginning in the mid-1980s, when the Chinese began to export mixed rare earth concentrates. In the early 1990s, they started to move up the supply chain and began to export the individual rare earth oxides and metals. By the late 1990s the Chinese exported higher value products, such as magnets, phosphors, polishing compounds, catalysts; and in the 21st century they supplied finished products including electric motors, computers, batteries, liquid-crystal displays (LCDs), TVs and monitors, mobile phones, iPods and compact fluorescent lamp (CFL) light bulbs. As they moved to higher value products, the Chinese slowly drove the various industrial producers and commercial enterprises in the US, Europe and Japan out of business by manipulating the rare earth commodity prices. Because of this, the technically trained rare earth engineers and scientists who worked in areas from mining to separations, to processing to production, to manufacturing of semifinished and final products, were laid-off and moved to other fields or they retired. However, in the past year the Chinese have changed their philosophy of the 1970s and 1980s of forming a rare earth cartel to control the rare earth markets to one in which they will no longer supply the rest of the world (ROW) with their precious rare earths, but instead will use them internally to meet the growing demand as the Chinese standard of living increases. To this end, they have implemented and occasionally increased export restrictions and added an export tariff on many of the high demand rare earth elements. Now the ROW is quickly trying to start up rare earth mines, e.g. Molycorp Minerals in the US and Lynas Corp. in Australia, to cover this shortfall in the worldwide market, but it will take about five years for the supply to meet the demand, even as other mines in the ROW become productive. Unfortunately, today there is a serious lack of technically trained personnel to bring the entire rare earth industry, from mining to original equipment manufacturers (OEM), up to full speed in the next few years. Accompanying this decline in technical expertise, innovation and new products utilizing rare earth elements has slowed dramatically, and it may take a decade or more to recapture America's leading role in technological advancements of rare earth containing products. Before the disruption of the US rare earth industry, about 25,000 people were employed in all aspects of the industry from mining to OEM. Today, only about 1,500 people are employed in these fields. The ratio of non-technically trained persons to those with college degrees in the sciences or engineering varies from about 8 to 1 to about 4 to 1, depending on the particular area of the industry. Assuming an average of 6 to 1, the number of college degree scientists and engineers has decreased from about 4,000 to 250 employed today. In the magnetic industry the approximate numbers are: 6,000 total with 750 technically trained people in the 1980s to 500 totally employed today of which 75 have degrees. The paucity of scientists and engineers with experience and/or training in the various aspects of production and commercialization of the rare earths is a serious limitation to the ability of the US to satisfy its own needs for materials and technologies (1) to maintain our military strength and posture, (2) to assume leadership in critical energy technologies, and (3) to bring new consumer products to the marketplace. The lack of experts is of even greater national importance than the halting in the 1990s and the recent restart of the mining/benification/separation effort in the US; and thus governmental intervention and support for at least five to 10 years will be required to ameliorate this situation. To respond quickly, training programs should be established in conjunction with a national research center at an educational institution with a long tradition in multiple areas of rare earth and other critical elements research and technology. This center should

Gschneidner, Jr., Karl

2011-04-01T23:59:59.000Z

88

Corrosion-resistant metal surfaces  

DOE Patents (OSTI)

The present invention relates to metal surfaces having thereon an ultrathin (e.g., less than ten nanometer thickness) corrosion-resistant film, thereby rendering the metal surfaces corrosion-resistant. The corrosion-resistant film includes an at least partially crosslinked amido-functionalized silanol component in combination with rare-earth metal oxide nanoparticles. The invention also relates to methods for producing such corrosion-resistant films.

Sugama, Toshifumi (Wading River, NY)

2009-03-24T23:59:59.000Z

89

Transition-Metal Hydrides  

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

Transition-Metal Hydride Electrochromics Transition-Metal Hydride Electrochromics A new type of electrochromic hydride material has interesting and unusual properties. Thin Ni-Mg films, for example, are mirror-like in appearance and have very low visible transmittance. On exposure to hydrogen gas or on reduction in alkaline electrolyte, the films become transparent. The transition is believed to result from formation of nickel magnesium hydride, Mg2NiH4. Switchable mirrors based on rare earth hydrides were discovered in 1996 at Vrije University in the Netherlands, Rare earth-magnesium alloy films were subsequently found to be superior to the pure lanthanides in maximum transparency and mirror-state reflectivity by Philips Laboratories. The newer transition-metal types which use less expensive and less reactive materials were discovered at LBNL. This has now become a very active area of study with a network of researchers.

90

Extractive Metallurgy of Rare Earths  

Science Conference Proceedings (OSTI)

Jan 24, 2006 ... The extractive metallurgy of the rare-earth elements has several features that make it uniquea variety of both input ores and final products,...

91

Metal Aminoboranes  

Metal aminoboranes of the formula M(NH.sub.2BH.sub.3).sub.n have been synthesized. Metal aminoboranes are hydrogen storage materials. Metal aminoboranes are also precursors for synthesizing other metal aminoboranes. Metal aminoboranes can be ...

92

Recent Trend of Rare Metals Recycling in Japan  

Science Conference Proceedings (OSTI)

Selective Recovery of Gold from E-wastes by Using Cellulosic Wastes Stabilization of Chromium-Based Slags with FeS2 and FeSO4 Sulphide Precipitation...

93

Liquidfree Mechanochemical Preparation of Rare Earth Metal ...  

Science Conference Proceedings (OSTI)

... structures using mechanical processing in the form of ball milling or grinding. ... Application of [A336][P507]/[P204] on High Selective Extraction and...

94

Rare Metal Extraction & Processing Symposium - Programmaster.org  

Science Conference Proceedings (OSTI)

Comparison among different extractants, as (2-ethylhexyl)-mono (2-ethylhexyl) ester Phosphonic acid (P507), Secondary-octyl phenoxy acetic acid (CA-12) and ...

95

Assessment of Environmental Impact of Rare Earth Metals Recycling ...  

Science Conference Proceedings (OSTI)

Sorption of Se(IV) and Se(VI) Ions onto Biomass Ash ... Tellurium Supply Sensitivity to Growth of Non-Traditional Copper Extraction Techniques - Implications for...

96

Rare B decays at CDF  

SciTech Connect

The confidence level limits of the CDF search for the B{sub s}{sup 0} and B{sub d}{sup 0} {yields} {mu}{sup +}{mu}{sup -} rare decays and the branching ratio measurement of B{sub s}{sup 0} {yields} D{sub s}{sup +} D{sub s}{sup -} are presented.

Farrington, Sinead M.; /Liverpool U.

2006-10-01T23:59:59.000Z

97

Session VII: Rare Earth Hydrometallurgy  

Science Conference Proceedings (OSTI)

... of these concentrations in terms of potential occupational radiation exposures, .... McGill University has been developing a pilot-plant tested alternative that...

98

Decomposition of Rare Earth Loaded Resin Particles  

Science Conference Proceedings (OSTI)

The Fuel Cycle R and D (FCR and D) program within the Department of Energy Office of Nuclear Energy (DOE-NE) is evaluating nuclear fuel cycle options, including once-through, modified open, and fully closed cycles. Each of these scenarios may utilize quite different fuel management schemes and variation in fuel types may include high thermal conductivity UO{sub 2}, thoria-based, TRISO, metal, advanced ceramic (nitride, carbide, composite, etc.), and minor actinide (MA) bearing fuels and targets. Researchers from the US, Europe, and japan are investigating methods of fabricating high-specific activity spherical particles for fuel and target applications. The capital, operating, and maintenance costs of such a fuel fabrication facility can be significant, thus fuel synthesis and fabrication processes that minimize waste and process losses, and require less footprint are desired. Investigations have been performed at the Institute for Transuranium Elements (ITU) and the French Atomic Energy Commission (CEA) studying the impact of americium and curium on the fuel fabrication process. proof of concept was demonstrated for fabrication of MA-bearing spherical particles, however additional development will be needed for engineering scale-up. Researchers at the Paul Scherer Institute (PSI) and the Japan Atomic Energy Association (JAEA) have collaborated on research with ceramic-metallic (CERMET) fuels using spherical particles as the ceramic component dispersed in the metal matrix. Recent work at the CEA evaluates the burning of MA in the blanket region of sodium fast reactors. There is also interest in burning MA in Canada Deuterium Uranium (CANDU) reactors. The fabrication of uranium-MA oxide pellets for a fast reactor blanket or MA-bearing fuel for CANDU reactors may benefit from a low-loss dedicated footprint for producing MA-spherical particles. One method for producing MA-bearing spherical particles is loading the actinide metal on a cation exchange resin. The AG-50W resin is made of sulfonic acid functional groups attached to a styrene divinylbenzene copolymer lattice (long chained hydrocarbon). The metal cation binds to the sulfur group, then during thermal decomposition in air the hydrocarbons will form gaseous species leaving behind a spherical metal-oxide particle. Process development for resin applications with radioactive materials is typically performed using surrogates. For americium and curium, a trivalent metal like neodymium can be used. Thermal decomposition of Nd-loaded resin in air has been studied by Hale. Process conditions were established for resin decomposition and the formation of Nd{sub 2}O{sub 3} particles. The intermediate product compounds were described using x-ray diffraction (XRD) and wet chemistry. Leskela and Niinisto studied the decomposition of rare earth (RE) elements and found results consistent with Hale. Picart et al. demonstrated the viability of using a resin loading process for the fabrication of uranium-actinide mixed oxide microspheres for transmutation of minor actinides in a fast reactor. For effective transmutation of actinides, it will be desirable to extend the in-reactor burnup and minimize the number of recycles of used actinide materials. Longer burn times increases the chance of Fuel Clad Chemical or Mechanical Interaction (FCCI, FCMI). Sulfur is suspected of contributing to Irradiation Assisted Stress Corrosion Cracking (IASCC) thus it is necessary to maximize the removal of sulfur during decomposition of the resin. The present effort extends the previous work by quantifying the removal of sulfur during the decomposition process. Neodymium was selected as a surrogate for trivalent actinide metal cations. As described above Nd was dissolved in nitric acid solution then contacted with the AG-50W resin column. After washing the column, the Nd-resin particles are removed and dried. The Nd-resin, seen in Figure 1 prior to decomposition, is ready to be converted to Nd oxide microspheres.

Voit, Stewart L [ORNL; Rawn, Claudia J [ORNL

2010-09-01T23:59:59.000Z

99

Nucleic acids encoding metal uptake transporters and their uses  

DOE Patents (OSTI)

The invention provides LCT1 nucleic acids which encode metal ion uptake transporters. The invention also provides methods of modulating heavy metal and alkali metal uptake in plants. The methods involve producing transgenic plants comprising a recombinant expression cassette containing an LCT1 nucleic acid linked to a plant promoter.

Schroeder, Julian I. (La Jolla, CA); Antosiewicz, Danuta M. (Warsaw, PL); Schachtman, Daniel P. (Tranmere, AU); Clemens, Stephan (San Diego, CA)

1999-01-01T23:59:59.000Z

100

SEPARATION OF METAL SALTS BY ADSORPTION  

DOE Patents (OSTI)

It has been found that certain metal salts, particularly the halides of iron, cobalt, nickel, and the actinide metals, arc readily absorbed on aluminum oxide, while certain other salts, particularly rare earth metal halides, are not so absorbed. Use is made of this discovery to separate uranium from the rare earths. The metal salts are first dissolved in a molten mixture of alkali metal nitrates, e.g., the eutectic mixture of lithium nitrate and potassium nitrate, and then the molten salt solution is contacted with alumina, either by slurrying or by passing the salt solution through an absorption tower. The process is particularly valuable for the separation of actinides from lanthanum-group rare earths.

Gruen, D.M.

1959-01-20T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Metal Aminoboranes  

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

Metal Aminoboranes Metal Aminoboranes Metal Aminoboranes Metal aminoboranes of the formula M(NH.sub.2BH.sub.3).sub.n have been synthesized. June 25, 2013 Metal Aminoboranes Metal aminoboranes of the formula M(NH.sub.2BH.sub.3).sub.n have been synthesized. Available for thumbnail of Feynman Center (505) 665-9090 Email Metal Aminoboranes Metal aminoboranes of the formula M(NH.sub.2BH.sub.3).sub.n have been synthesized. Metal aminoboranes are hydrogen storage materials. Metal aminoboranes are also precursors for synthesizing other metal aminoboranes. Metal aminoboranes can be dehydrogenated to form hydrogen and a reaction product. The reaction product can react with hydrogen to form a hydrogen storage material. Metal aminoboranes can be included in a kit. U.S. Patent No.: 7,713,506 (DOE S-112,798)

102

Watch a Rare Earth Elements Event Live This Morning | Department of Energy  

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

Watch a Rare Earth Elements Event Live This Morning Watch a Rare Earth Elements Event Live This Morning Watch a Rare Earth Elements Event Live This Morning December 15, 2010 - 9:20am Addthis Ginny Simmons Ginny Simmons Former Managing Editor for Energy.gov, Office of Public Affairs From 9:30am to noon ET today you can tune into a live discussion on "rare earth materials" that are critical to the production of clean energy technologies. Tune in here. The Department of Energy's Assistant Secretary for Policy and International Affairs David Sandalow will give the keynote, speaking to the role of rare earth metals and other materials in the clean energy economy. You can check back to the Energy Blog for more info later today. Ginny Simmons is a New Media Specialist and contractor to the Office of Public Affairs.

103

Watch a Rare Earth Elements Event Live This Morning | Department of Energy  

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

Watch a Rare Earth Elements Event Live This Morning Watch a Rare Earth Elements Event Live This Morning Watch a Rare Earth Elements Event Live This Morning December 15, 2010 - 9:20am Addthis Ginny Simmons Ginny Simmons Former Managing Editor for Energy.gov, Office of Public Affairs From 9:30am to noon ET today you can tune into a live discussion on "rare earth materials" that are critical to the production of clean energy technologies. Tune in here. The Department of Energy's Assistant Secretary for Policy and International Affairs David Sandalow will give the keynote, speaking to the role of rare earth metals and other materials in the clean energy economy. You can check back to the Energy Blog for more info later today. Ginny Simmons is a New Media Specialist and contractor to the Office of Public Affairs.

104

COG: local decomposition for rare class analysis  

Science Conference Proceedings (OSTI)

Given its importance, the problem of predicting rare classes in large-scale multi-labeled data sets has attracted great attention in the literature. However, rare class analysis remains a critical challenge, because there is no natural way developed ... Keywords: K-means clustering, Local clustering, Rare class analysis, Support vector machines (SVMs)

Junjie Wu; Hui Xiong; Jian Chen

2010-03-01T23:59:59.000Z

105

Rare Decays of the $\\eta^{'}$  

E-Print Network (OSTI)

We have searched for the rare decays of the eta prime meson to e+ e- eta, e+ e- pizero, e+ e- gamma, and e mu in hadronic events at the CLEO II detector. The search is conducted on 4.80 fb^-1 of e+ e- collisions at the Cornell Electron Storage Ring. We find no signal in any of these modes, and set 90% confidence level upper limits on their branching fractions of 2.4 X 10^-3, 1.4 X 10^-3, 0.9 X 10^-3, and 4.7 X 10^-4, respectively. We also investigate the Dalitz plot of the common decay of the eta prime to pi+ pi- eta. We fit the matrix element with the Particle Data Group parameterization and find Re(alpha) = -0.021 +- 0.025, where alpha is a linear function of the kinetic energy of the eta.

Briere, R A; Ford, W T; Gritsan, A; Krieg, H; Roy, J D; Smith, J G; Alexander, J P; Baker, R; Bebek, C; Berger, B E; Berkelman, K; Blanc, F; Boisvert, V; Cassel, David G; Dickson, M; Von Dombrowski, S; Drell, P S; Ecklund, K M; Ehrlich, R; Foland, A D; Gaidarev, P B; Galik, R S; Gibbons, L K; Gittelman, B; Gray, S W; Hartill, D L; Heltsley, B K; Hopman, P I; Jones, C D; Kreinick, D L; Lee, T; Liu, Y; Meyer, T O; Mistry, N B; Ng, C R; Nordberg, E; Patterson, J R; Peterson, D; Riley, D; Thayer, J G; Thies, P G; Valant-Spaight, B L; Warburton, A; Avery, P; Lohner, M; Prescott, C; Rubiera, A I; Yelton, J; Zheng, J; Brandenburg, G; Ershov, A; Gao, Y S; Kim, D Y J; Wilson, R; Browder, T E; Li, Y; Rodrguez, J L; Yamamoto, H; Bergfeld, T; Eisenstein, B I; Ernst, J; Gladding, G E; Gollin, G D; Hans, R M; Johnson, E; Karliner, I; Marsh, M A; Palmer, M; Plager, C; Sedlack, C; Selen, M; Thaler, J J; Williams, J; Edwards, K W; Janicek, R; Patel, P M; Sadoff, A J; Ammar, R; Baringer, P; Bean, A; Besson, D; Coppage, D; Davis, R; Kotov, S A; Kravchenko, I V; Kwak, N; Zhao, X; Anderson, S; Frolov, V V; Kubota, Y; Lee, S J; Mahapatra, R; O'Neill, J J; Poling, R A; Riehle, T; Smith, A; Ahmed, S; Alam, M S; Athar, S B; Jian, L; Ling, L; Mahmood, A H; Saleem, M; Timm, S; Wappler, F; Anastassov, A; Duboscq, J E; Gan, K K; Gwon, C; Hart, T; Honscheid, K; Kagan, H; Kass, R; Lorenc, J; Schwarthoff, H; Spencer, M B; Von Trne, E; Zoeller, M M; Richichi, S J; Severini, H; Skubic, P L; Undrus, A E; Bishai, M; Chen, S; Fast, J; Hinson, J W; Lee, J; Menon, N; Miller, D H; Shibata, E I; Shipsey, I P J; Kwon, Y; Lyon, A L; Thorndike, E H; Jessop, C P; Lingel, K; Marsiske, H; Perl, Martin Lewis; Savinov, V; Ugolini, D W; Zhou, X; Coan, T E; Fadeev, V; Korolkov, I Ya; Maravin, Y; Narsky, I; Stroynowski, R; Ye, J; Wlodek, T; Artuso, M; Ayad, R; Dambasuren, E; Kopp, S E; Majumder, G; Moneti, G C; Mountain, R; Schuh, S; Skwarnicki, T; Stone, S; Titov, A; Viehhauser, G; Wang, J C; Wolf, A; Wu, J; Csorna, S E; McLean, K W; Marka, S; Xu, Z; Godang, R; Kinoshita, K; Lai, I C; Pomianowski, P A; Schrenk, S; Bonvicini, G; Cinabro, D; Greene, R; Perera, L P; Zhou, G J; Chan, S; Eigen, G; Lipeles, E; Schmidtler, M; Shapiro, A; Sun, W M; Urheim, J; Weinstein, A J; Wrthwein, F; Jaffe, D E; Masek, G E; Paar, H P; Potter, E M; Prell, S; Sharma, V; Asner, D M; Eppich, A; Gronberg, J B; Hill, T S; Lange, D J; Morrison, R J; Nelson, T K; Richman, J D; Roberts, D

2000-01-01T23:59:59.000Z

106

Overview of rare K decays  

Science Conference Proceedings (OSTI)

The status and future prospects of searches for and studies of forbidden and highly suppressed K decays are reviewed. Here the author discusses three areas of recent activity in rare K decay. These are lepton-flavor violating decays, which are entirely forbidden in the Standard Model, K{sub S} {yields} {pi}{sup +}{pi}{sup {minus}}{pi}{sup 0}, which is of interest from the point of view of CP-violation, and `one loop` decays of the form K{sup 0,{+-}} {yields} ({pi}{sup 0,{+-}})l{bar l}, that can throw light on Standard Model CP-violation and determine parameters such as V{sub td}.

Littenberg, L.

1995-05-01T23:59:59.000Z

107

Rare Earth Composite Magnets with Increased Resistivity - Energy ...  

Dielectric rare earth fluorides are blended with rare earth magnet powders to produce high-resistivity fluoride composite rare earth magnets.

108

Phytoremediation of Metal-Contaminated Soils  

DOE Green Energy (OSTI)

Recent concerns regarding environmental contamination have necessitated the development of appropriate technologies to assess the presence and mobility of metals in soil and estimate possible ways to decrease the level of soil metal contamination. Phytoremediation is an emerging technology that may be used to cleanup contaminated soils. Successful application of phytoremediation, however, depends upon various factors that must be carefully investigated and properly considered for specific site conditions. To efficiently affect the metal removal from contaminated soils we used the ability of plants to accumulate different metals and agricultural practices to improve soil quality and enhance plant biomass. Pot experiments were conducted to study metal transport through bulk soil to the rhizosphere and stimulate transfer of the metals to be more available for plants' form. The aim of the experimental study was also to find fertilizers that could enhance uptake of metals and their removal from contaminated soil.

Shtangeeva, I.; Laiho, J.V-P.; Kahelin, H.; Gobran, G.R.

2004-03-31T23:59:59.000Z

109

Interactive Trouble Condition Sign Discovery for Hydroelectric Power Plants  

Science Conference Proceedings (OSTI)

Kyushu Electric Power Co.,Inc. collects different sensor data and weather information (hereafter, operation data) to maintain the safety of hydroelectric power plants while the plants are running. It is very rare to occur trouble condition in the plants. ... Keywords: Data Mining, Hydroelectric Power Plant, Support Vector Machine, Trouble Condition Detection

Takashi Onoda; Norihiko Ito; Hironobu Yamasaki

2009-07-01T23:59:59.000Z

110

Corrosion Protection Mechanisms of Rare-earth Based Inhibitors in ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

111

Assessment of Various Processes for Rare Earth Elements Recovery I  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

112

Assessment and Management of Radioactivity in Rare Earth ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

113

Rare EarthRelated Research & Developments Networks At Work  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

114

High Density Nanocrystalline Rare Earth and Dysprosium-free ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

115

Understanding the Structural Stability of Rare-earth Containing ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

116

Crystallization of Rare Earth Solution by Ammonium Bicarbonate  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

117

Advance in Solvent Extraction and Separation of Rare Earths  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

118

A Process Route for the Sarfartoq Rare Earth Project, Greenland  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

119

Recovery of Rare Earths from Permanent Magnets and Phosphors ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

120

Recycling of Rare Earth Elements for the Synthesis of Permanent ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

Note: This page contains sample records for the topic "rare metals plant" 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

Application of Ionic Liquid Extractants on Rare Earths Green ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

122

Two Exotic and Unique Families of Rare Earth Intermetallic ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

123

Hydrogen generation by metal corrosion in simulated Waste Isolation Pilot Plant environments. Progress report for the period November 1989 through December 1992  

DOE Green Energy (OSTI)

The corrosion and gas-generation characteristics of three material types: low-carbon steel (the current waste packaging material for the Waste Isolation Pilot Plant), Cu-base materials, and Ti-base materials were determined in both the liquid and vapor phase of Brine A, a brine representative of an intergranular Salado Formation brine. Test environments included anoxic brine and anoxic brine with overpressures of CO{sub 2}, H{sub 2}S, and H{sub 2}. Low-carbon steel reacted at a slow, measurable rate with anoxic brine, liberating H{sub 2} on an equimolar basis with Fe reacted. Presence of CO{sub 2} caused the initial reaction to proceed more rapidly, but CO{sub 2}-induced passivation stopped the reaction if the CO{sub 2} were present in sufficient quantities. Low-carbon steel immersed in brine with H{sub 2}S showed no reaction, apparently because of passivation of the steel by formation of a protective iron sulfide reaction product. Cu- and Ti-base materials showed essentially no corrosion when exposed to brine and overpressures of N{sub 2}, CO{sub 2}, and H{sub 2}S except for the rapid and complete reaction between Cu-base materials and H{sub 2}S. No significant reaction took place on any material in any environment in the vapor-phase exposures.

Telander, M.R.; Westerman, R.E. [Pacific Northwest Lab., Richland, WA (United States)

1993-09-01T23:59:59.000Z

124

Light Metals  

Science Conference Proceedings (OSTI)

Alternative processes; Anode design and operation; Cell fundamentals and ... Hot-rolling technologies; Deformation of materials; Primary metal production.

125

Metal Interconnection Made Inside the Micro-channel by Localized ...  

Science Conference Proceedings (OSTI)

A metal ligand oil solution and a reducing agent aqueous solution are applied .... for Extending Plant Lives in Power Generation, Refinery & Petrochemical, and...

126

METHOD OF SEPARATING TETRAVALENT PLUTONIUM VALUES FROM CERIUM SUB-GROUP RARE EARTH VALUES  

DOE Patents (OSTI)

A method is presented for separating plutonium from the cerium sub-group of rare earths when both are present in an aqueous solution. The method consists in adding an excess of alkali metal carbonate to the solution, which causes the formation of a soluble plutonium carbonate precipitate and at the same time forms an insoluble cerium-group rare earth carbonate. The pH value must be adjusted to bctween 5.5 and 7.5, and prior to the precipitation step the plutonium must be reduced to the tetravalent state since only tetravalent plutonium will form the soluble carbonate complex.

Duffield, R.B.; Stoughton, R.W.

1959-02-01T23:59:59.000Z

127

light metals  

Science Conference Proceedings (OSTI)

Alumina Refinery Design and Development; Alumina Refinery Safety and Integrity ... Environmental and Plant Improvements; Process Control Developments.

128

Ternary rare earth-lanthanide sulfides  

DOE Patents (OSTI)

A new ternary rare earth sulfur compound having the formula: La.sub.3-x M.sub.x S.sub.4 where M is a rare earth element selected from the group europium, samarium and ytterbium and x=0.15 to 0.8. The compound has good high-temperature thermoelectric properties and exhibits long-term structural stability up to 1000.degree. C.

Takeshita, Takuo (Omiya, JP); Gschneidner, Jr., Karl A. (Ames, IA); Beaudry, Bernard J. (Ames, IA)

1987-01-06T23:59:59.000Z

129

Annual Colorado Rare Plant Symposium: G2 Plants of Southeastern Colorado  

E-Print Network (OSTI)

MORRIS, RANGE MGMT SECTION DEPT OF RANGE AND PASTURE MANAGEMENT 14 NAVAL OIL SHALE RESERVE 1957 PARACHUTE COLORADO MANAGEMENT ZONE BUREAU OF LAND MANAGEMENT 1.25 INCHES: 10 MILES 9 OIL SHALE AREA COMPOSITE MAP

130

Colorado Rare Plant Symposium G2-G3 Plants in Northeast Colorado  

E-Print Network (OSTI)

of oil shale, preliminary, might be a final draft early next year, BLM hiring a new botanist in Meeker

131

Microsoft Word - rare earth speech 3-18 6am  

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

REMARKS PREPARED FOR DELIVERY REMARKS PREPARED FOR DELIVERY TECHNOLOGY AND RARE EARTH METALS CONFERENCE 2010 KEYNOTE ADDRESS DAVID SANDALOW ASSISTANT SECRETARY FOR POLICY & INTERNATIONAL AFFAIRS U.S. DEPARTMENT OF ENERGY WASHINGTON, D.C. MARCH 17, 2010 [Acknowledgements.] 1. INTRODUCTION Thank you for the invitation to speak at this important conference. At energy conferences today, no topic is hotter than shale gas. The story is striking: recoverable reserves of shale gas have increased six-fold in the past few years, thanks to new drilling technologies. This increase has been transformational, with U.S. natural gas imports now predicted to drop steadily in the next decade and beyond, whereas just a few years ago imports were projected to climb for the foreseeable future. Large shale gas reserves are believed to exist

132

Metal electrode for amorphous silicon solar cells  

DOE Patents (OSTI)

An amorphous silicon solar cell having an N-type region wherein the contact to the N-type region is composed of a material having a work function of about 3.7 electron volts or less. Suitable materials include strontium, barium and magnesium and rare earth metals such as gadolinium and yttrium.

Williams, Richard (Princeton, NJ)

1983-01-01T23:59:59.000Z

133

Rare-Earth Free Permanent Magnets - Programmaster.org  

Science Conference Proceedings (OSTI)

However, availability of rare-earth elements is a potential barrier to motor and generator applications. Thus, aiming at developing magnets without rare-earth...

134

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

135

RARE EARTHS, SCIENCE, TECHNOLOGY, AND APPLICATIONS: II ...  

Science Conference Proceedings (OSTI)

... electrodes in Ni - Metal Hydride batteries with 30% KOH electrolyte. In spite of ... The Joule-Thomson expansion of hydrogen gas offers a method to produce...

136

Ames Laboratory to Lead New Research Effort to Address Shortages in Rare  

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

Laboratory to Lead New Research Effort to Address Shortages in Laboratory to Lead New Research Effort to Address Shortages in Rare Earth and Other Critical Materials Ames Laboratory to Lead New Research Effort to Address Shortages in Rare Earth and Other Critical Materials January 9, 2013 - 12:13pm Addthis NEWS MEDIA CONTACT (202) 586-4940 WASHINGTON - The U.S. Department of Energy announced today that a team led by Ames Laboratory in Ames, Iowa, has been selected for an award of up to $120 million over five years to establish an Energy Innovation Hub that will develop solutions to the domestic shortages of rare earth metals and other materials critical for U.S. energy security. The new research center, which will be named the Critical Materials Institute (CMI), will bring together leading researchers from academia, four Department of Energy

137

Metal decontamination for waste minimization using liquid metal refining technology  

Science Conference Proceedings (OSTI)

The current Department of Energy Mixed Waste Treatment Project flowsheet indicates that no conventional technology, other than surface decontamination, exists for metal processing. Current Department of Energy guidelines require retrievable storage of all metallic wastes containing transuranic elements above a certain concentration. This project is in support of the National Mixed Low Level Waste Treatment Program. Because of the high cost of disposal, it is important to develop an effective decontamination and volume reduction method for low-level contaminated metals. It is important to be able to decontaminate complex shapes where surfaces are hidden or inaccessible to surface decontamination processes and destruction of organic contamination. These goals can be achieved by adapting commercial metal refining processes to handle radioactive and organic contaminated metal. The radioactive components are concentrated in the slag, which is subsequently vitrified; hazardous organics are destroyed by the intense heat of the bath. The metal, after having been melted and purified, could be recycled for use within the DOE complex. In this project, we evaluated current state-of-the-art technologies for metal refining, with special reference to the removal of radioactive contaminants and the destruction of hazardous organics. This evaluation was based on literature reports, industrial experience, plant visits, thermodynamic calculations, and engineering aspects of the various processes. The key issues addressed included radioactive partitioning between the metal and slag phases, minimization of secondary wastes, operability of the process subject to widely varying feed chemistry, and the ability to seal the candidate process to prevent the release of hazardous species.

Joyce, E.L. Jr.; Lally, B. [Los Alamos National Lab., NM (United States); Ozturk, B.; Fruehan, R.J. [Carnegie-Mellon Univ., Pittsburgh, PA (United States). Dept. of Materials Science and Engineering

1993-09-01T23:59:59.000Z

138

Rapporteur's Report - workshop on rare earth elements  

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

Trans-Atlantic Workshop on Rare Earth Elements and Trans-Atlantic Workshop on Rare Earth Elements and Other Critical Materials for a Clean Energy Future Hosted by the MIT Energy Initiative, cambridge, Massachusetts december 3, 2010 Introduction The objective of the workshop was to exchange views and information on the material security challenges of rare earths and other elements critical for clean energy generation and use. This includes the description of current research topics around the supply chain and end uses, and to identify opportunities for Trans-Atlantic research cooperation. The workshop consisted of a series of brief presentations by researchers in the US and Europe, followed by a discussion of possible areas of collaboration proposed by the co-chairs. A list of the presentations and the agenda for the day is appended with this document.

139

Plant Operational Status - Pantex Plant  

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

Status Plant Operational Status Page Content Operational Status Shift 1 - Day The Pantex Plant is open for normal operations. All personnel are to report for duty according to...

140

Rayleigh Scattering in Rare Gas Liquids  

E-Print Network (OSTI)

The Rayleigh scattering length has been calculated for rare-gas liquids in the ultraviolet for the frequencies at which they luminesce. The calculations are based on the measured dielectric constants in the gas phase, except in the case of xenon for which measurements are available in the liquid. The scattering length mayplace constraints on the design of some large-scale detectors, using uv luminescence, being proposed to observe solar neutrinos and dark matter. Rayleigh scattering in mixtures of rare-gas mixtures is also discussed.

G. M. Seidel; R. E. Lanou; W. Yao

2001-11-15T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Influence of heavy natural radioactive nuclides introduced in soil with labelled fertilizers and ameliorants on cytogenetic effects in plants  

Science Conference Proceedings (OSTI)

The effect of heavy natural radioactive nuclides (STYU, STSTh, SSWRa, S Po, and S Pb) in labeled fertilizers and ameliorants on the number of meiotic chromosome aberrations was studied in field experiments on the major crop plants, wheat, barley and corn. The mining and use of coal and oil and the processing of raw materials in the production of rare and nonferrous metals produce high quantities of wastes with an elevated content of natural radionuclides. One possible way for technogenically altering the natural radiation background of soil is the active utilization of phosphorus fertilizers in agriculture, and also the use, as fertilizers and ameliorants of wastes from nonferrous metallurgy, of the ash from heat and power plants and various intermediates from the chemical industry. The authors conclude that the introduction of labeled ammophos, nitrophos and phosphogypsum, which raised the soil background concentration of the specified elements, produced an increase in the number of cells with meiotic chromosome aberrations.

Arkhipov, N.P.; Bazylev, V.V.; Bobrikova, E.T.; Fevraleva, L.T.; Kal'chenko, VA.; Shevchenko, V.A.

1985-05-01T23:59:59.000Z

142

RARE EARTHS, SCIENCE, TECHNOLOGY AND APPLICATIONS: V ...  

Science Conference Proceedings (OSTI)

... used as a method for the ligquefaction of cryogenic gasses, freezers for food processing plants, supermarket chillers and large scale building air conditioning.

143

Metals on graphene: correlation between adatom adsorption behavior and growth morphology  

Science Conference Proceedings (OSTI)

We present a systematic study of metal adatom adsorption on graphene by ab initio calculations. The calculations cover alkali metals, sp-simple metals, 3d and group 10 transition metals, noble metals, as well as rare earth metals. The correlation between the adatom adsorption properties and the growth morphology of the metals on graphene is also investigated. We show that the growth morphology is related to the ratio of the metal adsorption energy to its bulk cohesive energy (E(a)/E(c)) and the diffusion barrier (?E) of the metal adatom on graphene. Charge transfer, electric dipole and magnetic moments, and graphene lattice distortion induced by metal adsorption would also affect the growth morphologies of the metal islands. We also show that most of the metal nanostructures on graphene would be thermally stable against coarsening.

Liu, Xiaojie; Wang, Cai-Zhuang; Hupalo, Myron; Lu, Wencai; Tringides, Michael C.; Yao, Yongxin; Ho, Kai-Ming

2012-05-19T23:59:59.000Z

144

Conceptual Design Review for Biomass Repowering at Plant Sweatt  

Science Conference Proceedings (OSTI)

Southern Company and its subsidiary Mississippi Power have identified Plant Sweatt as a potential opportunity for biomass repowering. Plant Sweatt is located in Meridian, Mississippi, and became commercially operational in 1953. The facility is capable of generating up to 96 MW of electricity (gross), operating on natural gas. Net generation at full load is about 92 MW. With a relatively high heat rate for a premium fuel, the plant is rarely dispatched. Modifying one of the boilers at Plant Sweatt to bu...

2010-12-31T23:59:59.000Z

145

A discussion on the application and production of metal ion beams  

SciTech Connect

Metal ion beams, which are used in surface modification of metals and alloys as ion beam micrometallurgy, are promising candidates for advanced applications in semiconductors and insulators. Doping with transition metal and rare-earth metal ions in semiconductors and insulators to form metallic nanoclusters attracted much more attention recently, since their applications in diluted magnetic semiconductors, electroluminescent devices, giant magnetic resistance, etc. In this paper, some experiments for metal ion beams will be presented, and various methods and technologies for the production of metal ion beams will be discussed.

Ren Xiaotang; Zhao Ziqiang; Zhao Weijiang [Institute of Heavy Ion Physics, Peking University, Beijing, 100871 (China) and Key Laboratory of Heavy Ion Physics (Peking University), Ministry of Education, Beijing 100871 (China)

2008-02-15T23:59:59.000Z

146

Characterization of a New Family of Metal Transport Proteins  

SciTech Connect

Soils at many DOE sites are contaminated with metals and radionuclides. Such soils obviously pose a risk to human and animal health. Unlike organic wastes, which can be metabolized, metals are immutable and cannot be degraded into harmless constituents. Phytoremediation, the use of plants to remove toxic materials from soil and water, may prove to be an environmentally friendly and cost effective solution for cleaning up metal contaminated sites. The success of phytoremediation will rely on the availability of plants that absorb, translocate, and tolerate the contaminating metals. However, before we can engineer such plants, we need more basic information on how plants acquire metals. An important long term goal of our research program is to understand how metals such as zinc, cadmium and iron are transported across membranes. Our research is focused on a new family of metal transporters, which we have identified through combined studies in the yeast Saccharomyces cerevisiae and in the model plant Arabidopsis thaliana. We have identified a family of 24 presumptive metal transport genes in a variety of organisms including yeast, trypanosomes, plants, nematodes, and humans. This family, which we have designated the ''ZIP'' genes, provides a rich source of material with which to undertake studies on metal transport in eukar

Guerinot, Mary Lou; Eide, David

1999-06-01T23:59:59.000Z

147

The rare isotope accelerator (RIA) facility project  

DOE Green Energy (OSTI)

The envisioned Rare-Isotope Accelerator (RIA) facility would add substantially to research opportunities for nuclear physics and astrophysics by combining increased intensities with a greatly expanded variety of high-quality rare-isotope beams. A flexible superconducting driver linac would provide 100 kW, 400 MeV/nucleon beams of any stable isotope from hydrogen to uranium onto production targets. Combinations of projectile fragmentation, target fragmentation, fission, and spallation would produce the needed broad assortment of short-lived secondary beams. This paper describes the project's background, purpose, and status, the envisioned facility, and the key subsystem, the driver linac. RIA's scientific purposes are to advance current theoretical models, reveal new manifestations of nuclear behavior, and probe the limits of nuclear existence [3]. Figures 1 and 2 show, respectively, examples of RIA research opportunities and the yields projected for pursuing them. Figure 3 outlines a conceptual approach for delivering the needed beams.

Christoph Leemann

2000-08-01T23:59:59.000Z

148

Rare B Meson Decays at the Tevatron  

SciTech Connect

Rare B meson decays are an excellent probe for beyond the Standard Model physics. Two very sensitive processes are the b {yields} s{mu}{sup +}{mu}{sup -} and B{sub s,d}{sup 0} {yields} {mu}{sup +}{mu}{sup -} decays. We report recent results at a center of mass energy of {radical}s = 1.96 TeV from CDF II using 7 fb{sup -1} at the Fermilab Tevatron Collider.

Hopkins, Walter

2012-01-01T23:59:59.000Z

149

Thermostat Metals  

Science Conference Proceedings (OSTI)

...A thermostat metal is a composite material (usually in the form of sheet or strip) that consists of two or more materials bonded together, of which one can be a nonmetal. Because the materials bonded together to form the composite differ in

150

METAL COMPOSITIONS  

DOE Patents (OSTI)

Alloys of uranium which are strong, hard, and machinable are presented, These alloys of uranium contain bctween 0.1 to 5.0% by weight of at least one noble metal such as rhodium, palladium, and gold. The alloys may be heat treated to obtain a product with iniproved tensile and compression strengths,

Seybolt, A.U.

1959-02-01T23:59:59.000Z

151

Phytoremediation of Trace Elements by Wetland Plants  

Science Conference Proceedings (OSTI)

Some plants naturally absorb and hyperaccumulate trace elements in their tissues. In a process known as phytoremediation, scientists are harnessing this ability to remove toxic heavy metals and trace elements from contaminated soils and waters. This screening program quantified the capacity of various wetland plant species for removing trace elements from polluted water.

2001-08-23T23:59:59.000Z

152

For cermet inert anode containing oxide and metal phases useful for the electrolytic production of metals  

DOE Patents (OSTI)

A cermet inert anode for the electrolytic production of metals such as aluminum is disclosed. The inert anode comprises a ceramic phase including an oxide of Ni, Fe and M, where M is at least one metal selected from Zn, Co, Al, Li, Cu, Ti, V, Cr, Zr, Nb, Ta, W, Mo, Hf and rare earths, preferably Zn and/or Co. Preferred ceramic compositions comprise Fe.sub.2 O.sub.3, NiO and ZnO or CoO. The cermet inert anode also comprises a metal phase such as Cu, Ag, Pd, Pt, Au, Rh, Ru, Ir and/or Os. A preferred metal phase comprises Cu and Ag. The cermet inert anodes may be used in electrolytic reduction cells for the production of commercial purity aluminum as well as other metals.

Ray, Siba P. (Murrysville, PA); Liu, Xinghua (Monroeville, PA); Weirauch, Douglas A. (Murrysville, PA)

2002-01-01T23:59:59.000Z

153

Frozen plants  

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

Frozen plants Frozen plants Name: janicehu Status: N/A Age: N/A Location: N/A Country: N/A Date: Around 1993 Question: Why do some plants freeze and others do not? Replies: The main reason some plants freeze and others do not is that some plants do not have much water in them. Pine tree leaves have little water and are therefore difficult to freeze. Another reason is that some plants make chemicals to put into their fluids that reduce the freezing temperature. Salts and oils are some. The polyunsaturated fats found in many plants freeze at a lower temperature than the saturated fats found in many animals. Therefore plant fats are liquid (oils) at room temperature, and animal fats are solid. Plants could not use so many saturated fats as warm blooded animals do or they would freeze up solid at higher temperatures. I know little of plants but many animals can make ethylene glycol to keep themselves from freezing. Ethylene glycol is the active ingredient in car anti-freeze

154

Rare Earth Oxide Fluoride: Ceramic Nano-particles via a ...  

Rare Earth Oxide Fluoride: Ceramic Nano-particles via a Hydrothermal Method. Battelle Number(s): 12234. ... Potential Industry Applications. ...

155

Passive cooling system for top entry liquid metal cooled nuclear reactors  

SciTech Connect

This patent describes a passive cooling system for liquid metal cooled, top entry loop nuclear fission reactors. It comprises: a liquid metal cooled nuclear reactor plant; a passive cooling system; and a secondary passive cooling system.

Boardman, C.E.; Hunsbedt, A.; Hui, M.M.

1992-10-27T23:59:59.000Z

156

Final Report "Structure of Rare Isotopes"  

SciTech Connect

The Junior Investigator grant 'Structure of Rare Isotopes' (DE-FG02-07ER41529) supported research in low-energy nuclear theory from September 1, 2007 to August 31, 2010. It was the main goal of the proposed research to develop and optimize an occupation-number-based energy functional for the computation of nuclear masses, and this aim has been reached. Furthermore, progress was made in linking two and three-body forces from low-momentum interactions to pairing properties in nuclear density functionals, and in the description of deformed nuclei within an effective theory.

Papenbrock, Thomas

2012-05-09T23:59:59.000Z

157

Scintillation of rare earth doped fluoride nanoparticles  

SciTech Connect

The scintillation response of rare earth (RE) doped core/undoped (multi-)shell fluoride nanoparticles was investigated under x-ray and alpha particle irradiation. A significant enhancement of the scintillation response was observed with increasing shells due: (i) to the passivation of surface quenching defects together with the activation of the REs on the surface of the core nanoparticle after the growth of a shell, and (ii) to the increase of the volume of the nanoparticles. These results are expected to reflect a general aspect of the scintillation process in nanoparticles, and to impact radiation sensing technologies that make use of nanoparticles.

Jacobsohn, L. G.; McPherson, C. L.; Sprinkle, K. B.; Ballato, J. [Center for Optical Materials Science and Engineering Technologies (COMSET), and School of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634 (United States); Yukihara, E. G. [Physics Department, Oklahoma State University, Stillwater, Oklahoma 74078-3072 (United States); DeVol, T. A. [Department of Environmental Engineering and Earth Sciences, Clemson University, Clemson, South Carolina 29634-0905 (United States)

2011-09-12T23:59:59.000Z

158

Search for massive rare particles with MACRO  

E-Print Network (OSTI)

Massive rare particles have been searched for in the penetrating cosmic radiation using the MACRO apparatus at the Gran Sasso National Laboratories. Liquid scintillators, streamer tubes and nuclear track detectors have been used to search for magnetic monopoles (MMs). Based on no observation of such signals, stringent flux limits are established for MMs as slow as a few 10^(-5)c. The methods based on the scintillator and on the nuclear track subdetectors were also applied to search for nuclearites. Preliminary results of the searches for charged Q-balls are also presented.

The MACRO Collaboration

2000-09-01T23:59:59.000Z

159

Carnivorous Plants  

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

Carnivorous Plants Carnivorous Plants Nature Bulletin No. 597-A March 27, 1976 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation CARNIVOROUS PLANTS Plants, generally, are eaten by insects or furnish other food for them. But there are a few families of strange plants that, instead, "eat" insects and other small animals. About 500 species are distributed over the world, from the arctic to the tropics. Most of them have peculiar leaves that not only attract insects but are equipped to trap and kill their victims. Even more remarkable is the fact that some have glands which secrete a digestive juice that softens and decomposes the animal until it is absorbed by the plant in much the same way as your stomach digests food.

160

Energy Conservation in Metals  

Science Conference Proceedings (OSTI)

About this Symposium. Meeting, 2010 TMS Annual Meeting & Exhibition. Symposium, Energy Conservation in Metals. Sponsorship, The Minerals, Metals and...

Note: This page contains sample records for the topic "rare metals plant" 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

SEPARATION OF METAL VALUES FROM NUCLEAR REACTOR  

DOE Patents (OSTI)

A method is given for separating beryllium fluoride and an alkali metal fluoride from a mixture containing same and rare earth fluorides. The method comprises contacting said mixture with a liquid hydrogen fluoride solvent containing no more than about 30 per cent water by weight and saturated with a fluoride salt characterized by its solubility in anhydrous hydrogen fluoride for a period of time sufficient to dissolve said beryllium fluoride in said solvent. (AEC)

Campbell, D.O.; Cathers, G.I.

1962-06-19T23:59:59.000Z

162

Rare-Earth-Free Traction Motor: Rare Earth-Free Traction Motor for Electric Vehicle Applications  

Science Conference Proceedings (OSTI)

REACT Project: Baldor will develop a new type of traction motor with the potential to efficiently power future generations of EVs. Unlike todays large, bulky EV motors which use expensive, imported rare-earth-based magnets, Baldors motor could be light, compact, contain no rare earth materials, and have the potential to deliver more torque at a substantially lower cost. Key innovations in this project include the use of a unique motor design, incorporation of an improved cooling system, and the development of advanced materials manufacturing techniques. These innovations could significantly reduce the cost of an electric motor.

None

2012-01-01T23:59:59.000Z

163

Enforcement Documents - Waste Isolation Pilot Plant | Department of Energy  

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

Waste Isolation Pilot Plant Waste Isolation Pilot Plant Enforcement Documents - Waste Isolation Pilot Plant September 8, 2006 Enforcement Letter, Washington TRU Solutions - September 8, 2006 Enforcement Letter issued to Washington TRU Solutions, LLC related to Quality Assurance Deficiencies associated with the Super High-Efficiency Neutron Counter Non-Destructive Assay System Refurbishment at the Waste Isolation Pilot Plant October 28, 2004 Enforcement Letter, Diversified Metal Products, Inc - October 28, 2004 Issued to Diversified Metal Products, Inc. related to Transportainer Fabrication Deficiencies for the Waste Isolation Pilot Plant August 30, 2004 Preliminary Notice of Violation, Washington TRU Solutions, LLC - EA-2004-08 Preliminary Notice of Violation issued to Washington TRU Solutions, LLC,

164

Method for removal of heavy metal from molten salt in IFR fuel pyroprocessing  

SciTech Connect

This report details the pyrometallurgical process for recycling spent metal fuels from the Integral Fast Reactor (IFR) which involves electrorefining spent fuel in a molten salt electrolyte (LiCl-KCI-U/PuCl{sub 3}) at 500{degree}C. The total heavy metal chloride concentration in the salt will be about 2 mol %. At some point, the concentrations of alkali, alkaline earth, and rare earth fission products in the salt must be reduced to lower the amount of heat generated in the electrorefiner. The heavy metal concentration in the salt must be reduced before removing the fission products from the salt. The operation uses a lithium-cadmium alloy anode that is solid at 500{degree}C, a solid mandrel cathode with a ceramic catch crucible below to collect heavy metal that falls off it, and a liquid cadmium cathode. The design criteria that had to be met by this equipment included the following: (1) control of the reduction rate by lithium, (2) good separation between heavy metal and rare earths, and (3) the capability to collect heavy metal and rare earths over a wide range of salt compositions. In tests conducted in an engineering-scale electrorefiner (10 kg uranium per cathode), good separation was achieved while removing uranium and rare earths from the salt. Only 13% of the rare earths was removed, while 99.9% of the uranium in the salt was removed; subsequently, the rare earths were also reduced to low concentrations. The uranium concentration in the salt was reduced to 0.05 ppm after uranium and rare earths were transferred from the salt to a solid mandrel cathode with a catch crucible. Rare earth concentrations in the salt were reduced to less than 0.01 wt % in these operations. Similar tests are planned to remove plutonium from the salt in a laboratory-scale (100--300 g heavy metal) electrorefiner.

Gay, E.C.; Miller, W.E.; Laidler, J.J.

1994-02-01T23:59:59.000Z

165

Pinellas Plant facts  

SciTech Connect

The Pinellas Plant, near St. Petersburg, Florida, is wholly owned by the United States Government. It is operated for the Department of Energy (DOE) by GE Aerospace, Neutron Devices (GEND). This plant was built in 1956 to manufacture neutron generators, a principal component in nuclear weapons. The neutron generators built at Neutron Devices consist of a miniaturized linear ion accelerator assembled with the pulsed electrical power supplies required for its operation. Production of these devices has necessitated the development of several uniquely specialized areas of competence and supporting facilities. The ion accelerator, or neutron tube, requires ultra clean, high vacuum technology; hermetic seals between glass, ceramic, glass-ceramic, and metal materials; plus high voltage generation and measurement technology. The existence of these capabilities at Neutron Devices has led directly to the assignment of other weapon application products: the lightning arrester connector, specialty capacitor, vacuum switch, and crystal resonator. Other product assignments such as active and reserve batteries and the radioisotopically-powered thermoelectric generator evolved from the plant`s materials measurement and controls technologies which are required to ensure neutron generator life.

NONE

1990-11-01T23:59:59.000Z

166

Mechanochemical processing for metals and metal alloys  

DOE Patents (OSTI)

A set of processes for preparing metal powders, including metal alloy powders, by ambient temperature reduction of a reducible metal compound by a reactive metal or metal hydride through mechanochemical processing. The reduction process includes milling reactants to induce and complete the reduction reaction. The preferred reducing agents include magnesium and calcium hydride powders. A process of pre-milling magnesium as a reducing agent to increase the activity of the magnesium has been established as one part of the invention.

Froes, Francis H. (Moscow, ID); Eranezhuth, Baburaj G. (Moscow, ID); Prisbrey, Keith (Moscow, ID)

2001-01-01T23:59:59.000Z

167

Extraction-x-ray fluorescent determination of the rare earthelements in calcium fluoride  

Science Conference Proceedings (OSTI)

Fluorides of the alkaline earth metals, activated by rare earth ions, are used as active elements in lasers and scintillation detectors. In this work, the conditions of production of thin-layer emitters for the extraction x-ray fluorescent determination of 2.10/sup -4/-3.10/sup -3/% REE in calcium fluoride with preliminary concentration of the elements to be determined in the form of complexes with morin were studied. The possibility of a simultaneous determination of several REE present together was demonstrated. A mixture (4:1) of isopentanol and tributyl phosphate (TBP), analytical grade, which were additionally redistilled, was used.

Blank, A.B.; Belenko, L.E.; Shevtsov, N.I.

1986-08-01T23:59:59.000Z

168

Performance and safety design of the advanced liquid metal reactor  

SciTech Connect

The Advanced Liquid Metal Reactor (ALMR) program led by General Electric is developing, under U.S. Department of Energy sponsorship, a conceptual design for an advanced sodium-cooled liquid metal reactor plant. This design is intended to improve the already excellent level of plant safety achieved by the nuclear power industry while at the same time providing significant reductions in plant construction and operating costs. In this paper, the plant design and performance are reviewed, with emphasis on the ALMR's unique passive design safety features and its capability to utilize as fuel the actinides in LWR spent fuel.

Berglund, R.C.; Magee, P.M.; Boardman, C.E.; Gyorey, G.L. (General Electric Co., San Jose, CA (United States). Advanced Nuclear Technology)

1991-01-01T23:59:59.000Z

169

PULSE RADIOLYSIS IN SUPERCRITICAL RARE GAS FLUIDS  

Science Conference Proceedings (OSTI)

Recently, supercritical fluids have become quite popular in chemical and semiconductor industries for applications in chemical synthesis, extraction, separation processes, and surface cleaning. These applications are based on: the high dissolving power due to density build-up around solute molecules, and the ability to tune the conditions of a supercritical fluid, such as density and temperature, that are most suitable for a particular reaction. The rare gases also possess these properties and have the added advantage of being supercritical at room temperature. Information about the density buildup around both charged and neutral species can be obtained from fundamental studies of volume changes in the reactions of charged species in supercritical fluids. Volume changes are much larger in supercritical fluids than in ordinary solvents because of their higher compressibility. Hopefully basic studies, such as discussed here, of the behavior of charged species in supercritical gases will provide information useful for the utilization of these solvents in industrial applications.

HOLROYD,R.

2007-01-01T23:59:59.000Z

170

New results for rare muon decays  

Science Conference Proceedings (OSTI)

Branching-ratio limits obtained with the Crystal Box detector are presented for the rare muon decays ..mu.. ..-->.. eee, ..mu.. ..-->.. e..gamma.., and ..mu.. ..-->.. e..gamma gamma... These decays, which violate the conservation of separate lepton-family numbers, are expected to occur in many extensions to the standard model. We found no candidates for the decay ..mu.. ..-->.. eee, yielding an upper limit for the branching ratio of B/sub ..mu..3e/ .. e..gamma.. candidates yields an upper limit of B/sub ..mu..e..gamma../ .. e..gamma gamma.. candidates gives an upper limit of B/sub ..mu..e..gamma gamma../ < 7.2 x 10/sup -11/. These results strengthen the constraints on models that allow transitions between lepton families.

Mischke, R.E.; Bolton, R.D.; Bowman, J.D.; Cooper, M.D.; Frank, J.S.; Hallin, A.L.; Heusi, P.A.; Hoffman, C.M.; Hogan, G.E.; Mariam, F.G.

1986-01-01T23:59:59.000Z

171

Extension of the supercritical carbon dioxide brayton cycle to low reactor power operation: investigations using the coupled anl plant dynamics code-SAS4A/SASSYS-1 liquid metal reactor code system.  

SciTech Connect

Significant progress has been made on the development of a control strategy for the supercritical carbon dioxide (S-CO{sub 2}) Brayton cycle enabling removal of power from an autonomous load following Sodium-Cooled Fast Reactor (SFR) down to decay heat levels such that the S-CO{sub 2} cycle can be used to cool the reactor until decay heat can be removed by the normal shutdown heat removal system or a passive decay heat removal system such as Direct Reactor Auxiliary Cooling System (DRACS) loops with DRACS in-vessel heat exchangers. This capability of the new control strategy eliminates the need for use of a separate shutdown heat removal system which might also use supercritical CO{sub 2}. It has been found that this capability can be achieved by introducing a new control mechanism involving shaft speed control for the common shaft joining the turbine and two compressors following reduction of the load demand from the electrical grid to zero. Following disconnection of the generator from the electrical grid, heat is removed from the intermediate sodium circuit through the sodium-to-CO{sub 2} heat exchanger, the turbine solely drives the two compressors, and heat is rejected from the cycle through the CO{sub 2}-to-water cooler. To investigate the effectiveness of shaft speed control, calculations are carried out using the coupled Plant Dynamics Code-SAS4A/SASSYS-1 code for a linear load reduction transient for a 1000 MWt metallic-fueled SFR with autonomous load following. No deliberate motion of control rods or adjustment of sodium pump speeds is assumed to take place. It is assumed that the S-CO{sub 2} turbomachinery shaft speed linearly decreases from 100 to 20% nominal following reduction of grid load to zero. The reactor power is calculated to autonomously decrease down to 3% nominal providing a lengthy window in time for the switchover to the normal shutdown heat removal system or for a passive decay heat removal system to become effective. However, the calculations reveal that the compressor conditions are calculated to approach surge such that the need for a surge control system for each compressor is identified. Thus, it is demonstrated that the S-CO{sub 2} cycle can operate in the initial decay heat removal mode even with autonomous reactor control. Because external power is not needed to drive the compressors, the results show that the S-CO{sub 2} cycle can be used for initial decay heat removal for a lengthy interval in time in the absence of any off-site electrical power. The turbine provides sufficient power to drive the compressors. Combined with autonomous reactor control, this represents a significant safety advantage of the S-CO{sub 2} cycle by maintaining removal of the reactor power until the core decay heat falls to levels well below those for which the passive decay heat removal system is designed. The new control strategy is an alternative to a split-shaft layout involving separate power and compressor turbines which had previously been identified as a promising approach enabling heat removal from a SFR at low power levels. The current results indicate that the split-shaft configuration does not provide any significant benefits for the S-CO{sub 2} cycle over the current single-shaft layout with shaft speed control. It has been demonstrated that when connected to the grid the single-shaft cycle can effectively follow the load over the entire range. No compressor speed variation is needed while power is delivered to the grid. When the system is disconnected from the grid, the shaft speed can be changed as effectively as it would be with the split-shaft arrangement. In the split-shaft configuration, zero generator power means disconnection of the power turbine, such that the resulting system will be almost identical to the single-shaft arrangement. Without this advantage of the split-shaft configuration, the economic benefits of the single-shaft arrangement, provided by just one turbine and lower losses at the design point, are more important to the overall cycle performance. Therefore, the single-shaft

Moisseytsev, A.; Sienicki, J. J. (Nuclear Engineering Division)

2012-05-10T23:59:59.000Z

172

ALMR plant design and performance  

SciTech Connect

The advanced liquid-metal reactor (ALMR) plant, sponsored by the US Department of Energy and being developed by a General Electric Company lead industrial team, features simple and reliable safety systems, seismic isolation, passive decay heat removal, passive reactivity control, and substantial margins to structural and fuel damage limits during potential accident situations. These features will result in significant gains for public safety and protection of the owner's investment. Standardized modular construction and extensive factory fabrication will result in a plant design that is economically competitive. The reference commercial ALMR plant utilizes nine reactor modules arranged in three identical 480-MW(electric) power blocks for an overall plant net electrical rating of 1440 MW(electric). Each power block features three identical reactor modules, each with its own steam generator, that jointly supply power to a single turbine generator.

Kwant, W.; Boardman, C.E.; Dayal, Y.; Magee, P.M. (GE Nuclear Energy, San Jose, CA (United States))

1992-01-01T23:59:59.000Z

173

Fiberglass plastics in power plants  

Science Conference Proceedings (OSTI)

Fiberglass reinforced plastics (FRPs) are replacing metal in FGDs, stacks, tanks, cooling towers, piping and other plant components. The article documents the use of FRP in power plants since the 1970s. The largest volume of FRP in North American power plants is for stack liners and ductwork. Absorber vessel shells and internal components comprise the third largest use. The most common FRP absorber vessels are known as jet bubbling reactors (JBRs). One of the largest JBRs at a plant on the Ohio River removes 99% of sulphur dioxide from high sulphur coal flue gas. FRPs last twice as long as wood structures when used for cooling towers and require less maintenance. 1 tab., 2 photos.

Kelley, D. [Ashland Performance Materials (United States)

2007-08-15T23:59:59.000Z

174

Using NERSC Systems, Physcists Close in on a Rare-Particle Decay Process  

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

Using NERSC Systems, Using NERSC Systems, Physcists Close in on a Rare-Particle Decay Process Using NERSC Systems, Physicists Close In on a Rare-Particle Decay Process Underground Experiment May Unlock the Mysteries of the Neutrino June 11, 2012 | Tags: Accelerator Science, High Energy Physics (HEP), Hopper NERSC Contact: Linda Vu, lvu@lbl.gov, +1 510 495 2402 exo-1.jpg Located at the Waste Isolation Pilot Plant near Carlsbad, New Mexico, EXO-200 is a 200-kg detector using liquid xenon, enriched in the isotope 136, to detect "neutrino-less double beta decay." With help from supercomputers at the Department of Energy's National Energy Research Scientific Computing Center (NERSC), the Enriched Xenon Observatory experiment (EXO-200) has placed the most stringent constraints

175

Electronic structure, bonding and chemisorption in metallic hydrides  

DOE Green Energy (OSTI)

Problems that can arise during the cycling steps for a hydride storage system usually involve events at surfaces. Chemisorption and reaction processes can be affected by small amounts of contaminants that may act as catalytic poisons. The nature of the poisoning process can vary greatly for the different metals and alloys that form hydrides. A unifying concept is offered, which satisfactorily correlates many of the properties of transition-metal, rare-earth and actinide hydrides. The metallic hydrides can be differentiated on the basis of electronegativity, metallic radius (valence) and electronic structure. For those systems where there are d (transition metals) or f (early actinides) electrons near the Fermi level a broad range of chemical and catalytic behaviors are found, depending on bandwidth and energy. The more electropositive metals (rare-earths, actinides, transition metals with d < 5) tend to strongly chemisorb electrophilic molecules; this is a consequence of the manner in which new bonding states are introduced. More electronegative metals (d >> 5) dissolve hydrogen and form hydrides by an electronically somewhat different process, and as a class tend to adsorb electrophobic molecules. The net charge-transfer in either situation is subtle; however, the small differences are responsible for many of the observed structural, chemical, and catalytic properties in these hydride systems.

Ward, J.W.

1980-01-01T23:59:59.000Z

176

Extracting metals directly from metal oxides  

DOE Patents (OSTI)

A method of extracting metals directly from metal oxides by exposing the oxide to a supercritical fluid solvent containing a chelating agent is described. Preferably, the metal is an actinide or a lanthanide. More preferably, the metal is uranium, thorium or plutonium. The chelating agent forms chelates that are soluble in the supercritical fluid, thereby allowing direct removal of the metal from the metal oxide. In preferred embodiments, the extraction solvent is supercritical carbon dioxide and the chelating agent is selected from the group consisting of .beta.-diketones, halogenated .beta.-diketones, phosphinic acids, halogenated phosphinic acids, carboxylic acids, halogenated carboxylic acids, and mixtures thereof. In especially preferred embodiments, at least one of the chelating agents is fluorinated. The method provides an environmentally benign process for removing metals from metal oxides without using acids or biologically harmful solvents. The chelate and supercritical fluid can be regenerated, and the metal recovered, to provide an economic, efficient process.

Wai, Chien M. (Moscow, ID); Smart, Neil G. (Moscow, ID); Phelps, Cindy (Moscow, ID)

1997-01-01T23:59:59.000Z

177

Extracting metals directly from metal oxides  

DOE Patents (OSTI)

A method of extracting metals directly from metal oxides by exposing the oxide to a supercritical fluid solvent containing a chelating agent is described. Preferably, the metal is an actinide or a lanthanide. More preferably, the metal is uranium, thorium or plutonium. The chelating agent forms chelates that are soluble in the supercritical fluid, thereby allowing direct removal of the metal from the metal oxide. In preferred embodiments, the extraction solvent is supercritical carbon dioxide and the chelating agent is selected from the group consisting of {beta}-diketones, halogenated {beta}-diketones, phosphinic acids, halogenated phosphinic acids, carboxylic acids, halogenated carboxylic acids, and mixtures thereof. In especially preferred embodiments, at least one of the chelating agents is fluorinated. The method provides an environmentally benign process for removing metals from metal oxides without using acids or biologically harmful solvents. The chelate and supercritical fluid can be regenerated, and the metal recovered, to provide an economic, efficient process. 4 figs.

Wai, C.M.; Smart, N.G.; Phelps, C.

1997-02-25T23:59:59.000Z

178

Synthesis, structure and characterization of molybdenum and rare earth chalcogenides  

E-Print Network (OSTI)

This dissertation focuses on the synthetic exploratory synthesis of molybdenum chalcogenides and rare earth metal-rich ternary tellurides as a part of an effort to produce molecular building blocks of molybdenum chalcogenide clusters and to explore their structural relationships with solid state cluster networks. The tightly cross-linked Mo3nSe3n+2(n = 2, 3, ...?) clusters and chain compounds react with alkali metal cyanide or cyanide salt mixtures at temperatures of 450-675 C to yield reduced, cyanide-terminated molybdenum chalcogenide clusters that are thermodynamically stable. At temperatures of 650-675 C, linear chain compounds I6[Mo6Se8(CN)4(CN)2/2] (MI = K, Cs) were prepared from reactions of Mo6Se8 or elemental starting materials, Mo and Se with excess molten cyanide (KCN, CsCN). These are the first known compounds to feature linking of Mo6Se8 clusters via cyanide bridges. Magnetic susceptibility and EPR measurements indicate that there is one unpaired electron per cluster. A new reduced molecular octahedral complex, Na8[Mo6Se8(CN)6]20H2O was prepared by the reduction of [Mo6Se8(CN)6]7-with Zn in an aqueous NaCN solution. Single crystal structure was determined. Cyclic voltammetric measurements in basic aqueous media show multiple reversible redox waves corresponding to [Mo6Se8(CN)6]6-/7-, [Mo6Se8(CN)6]7-/8-, [Mo6Se8(CN)6]8-/9-redox couples with half-wave potentials of E1/2 = -0.442 V, -0.876 V, and 11.369 V respectively versus the standard hydrogen electrode (SHE). UV-Vis studies support the presence of the reduced cluster compound. New reduced molecular tetrahedral complexes, K7Na[Mo4Se4(CN)12]5H2OMeOH, Na4Cs7[Mo4Se4(CN)12]Cl3, Na8[Mo4Se4(CN)12], and Na4K4[Mo4Se4(CN)12]12H2O were prepared. Preparation of Na8[Mo4Se4(CN)12] is an improved method for the synthesis of the Mo4Se4 core. Half-wave potentials of E1/2 for the [Mo4Se4(CN)12]6-/7-and [Mo4Se4(CN)12]7-/8-couples are 0.233 V, and -0.422 V respectively versus SHE. The molecular cubane clusters [Mo4Se4(CN)12]7-/8-play an essential role in the process by which the discrete [Mo6Se8(CN)6]6-and [Mo6Se8(CN)6]are excised from the CN-linked chain compound, K6Mo6Se8(CN)5. A new rare-earth telluride compound with the empirical composition of Gd4NiTe2 was synthesized from a high-temperature solid-state reaction. Gd4MTe2 (M = Ni) crystallizes in the orthorhombic space group Pnma. This unprecedented structure consists of a cluster condensation of Ni-centered gadolinium tricapped trigonal prisms along the rectangular faces of the trigonal prism such that the Ni atoms act as two of the caps to the trigonal prisms.

Magliocchi, Carmela Luisa

2005-05-01T23:59:59.000Z

179

Metal Monolithic Amine-Grafted Zeolites for CO2 Capture  

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

Metal Monolithic Amine-Grafted Metal Monolithic Amine-Grafted Zeolites for CO 2 Capture Background The mission of the U.S. Department of Energy's (DOE) Existing Plants, Emissions & Capture (EPEC) Research and Development (R&D) Program is to develop innovative environmental control technologies to enable full use of the nation's vast coal reserves, while allowing the current fleet of coal-fired power plants to comply with existing and emerging environmental regulations. The EPEC R&D Program portfolio

180

Trace Metals Determination in Flue Gas Desulfurization Water  

Science Conference Proceedings (OSTI)

Flue gas desulfurization (FGD) scrubbers are used on coal-fired power plants to reduce sulfur dioxide emissions to air. While effective for this purpose, wet FGD scrubbers produce an aqueous blowdown stream that contains trace levels of metals adsorbed from flue gas. Power plant owners need to measure concentrations of these metals for purposes of process control, discharge monitoring, or design and operation of wastewater treatment systems. FGD water has proven to be a very difficult matrix to analyze a...

2009-12-28T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Good Earths and Rare Earths | Department of Energy  

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

Good Earths and Rare Earths Good Earths and Rare Earths Good Earths and Rare Earths April 20, 2011 - 6:17pm Addthis Charles Rousseaux Charles Rousseaux Senior Writer, Office of Science What does this mean for me? Rare earth elements -- dysprosium, neodymium, terbium, europium and yttrium -- are essential to a wide range of green energy technologies ranging from windmills to electric vehicles One of their primary uses is in permanent magnets, which amount to over a $4 billion global industry Ames Laboratory recently discovered a way to make these magnets cheaper and greener and signed a cooperative research and development agreement with Molycorp Inc. -- the Western hemisphere's only producer of rare-earth oxides. China holds about 36 percent of world's rare-earth reserves, (compared to 13 percent in the U.S.), but it currently produces 95 percent

182

SALICYLATE PROCESS FOR THORIUM SEPARATION FROM RARE EARTHS  

DOE Patents (OSTI)

The separation of thorium from rare earths is accomplished by forming an aqueous solution of salts of thorium and rare earths and sufficient acetate buffer to provide a pH of between 2 and 5, adding an ammonium salicylate to the aqueous buffered solution, contacting the resultant solution with a substantially water-immiscible organic solvent mixture of an ether and an ester, and separating the solvent extract phase containing thorium salicylate from the aqueous phase containing the rare earths.

Cowan, G.A.

1959-08-25T23:59:59.000Z

183

Optical Spectroscopy of Borate Glasses Doped with Trivalent Rare ...  

Science Conference Proceedings (OSTI)

Luminescence properties of rare-earth ions are well-known, but quantum efficiencies ... Ion Exchanged Mixed Glass Cullet Proppants for Stimulation of Oil and...

184

Mitigation of Rare Earth Supply Risk Posed by Permanent Magnets ...  

Science Conference Proceedings (OSTI)

These include electric vehicles and wind generators. Volatility of the price of rare earth elements highlights the importance of a co-ordinated strategy to mitigate...

185

Application of Reactive Oily Bubble Flotation Technology to Rare ...  

Science Conference Proceedings (OSTI)

... bubbles covered by a thin layer of oil containing oil-soluble collectors) as a ... Impurities from Multi-Source Concentrates Feeding a Rare Earths Refinery.

186

Rare Earth Modified Matrices for SiC Matrix Composites  

Science Conference Proceedings (OSTI)

Presentation Title, Rare Earth Modified Matrices for SiC Matrix Composites. Author(s), David L Poerschke, Carlos G Levi. On-Site Speaker (Planned), David L

187

Behavior of Rare Earth Elements in Geothermal Systems- A New...  

Open Energy Info (EERE)

2001 DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for Behavior of Rare Earth Elements in Geothermal Systems- A New Exploration...

188

Rare Earth Elements Industry Overview and Advanced Materials  

Science Conference Proceedings (OSTI)

Oct 30, 2013 ... We'll review many of these applications including forecasts for growth. ... Volatility of the price of rare earth elements highlights the importance...

189

Researchers use light to create rare uranium molecule  

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

to create rare uranium molecule Uranium nitride materials show promise as advanced nuclear fuels due to their high density, high stability, and high thermal conductivity. July...

190

Replacing Critical Rare Earth Materials in High Energy Density ...  

Science Conference Proceedings (OSTI)

... magnet motors (IPM) for hybride and electric vehicles and direct drive wind generators. Current motor designs use rare earth permanent magnets which easily...

191

Rare Earth and Plutonium Doping of Apatite - Programmaster.org  

Science Conference Proceedings (OSTI)

Presentation Title, Rare Earth and Plutonium Doping of Apatite ... Influence of Cation Composition and Temperature on the Solubility and Oxidation State of Ce ...

192

Characterization of a New Family of Metal Transporters  

Science Conference Proceedings (OSTI)

Metal ions are critical nutrients, yet overaccumulation of these same metals can also be toxic. To maintain appropriate intracellular levels, cells require specific metal uptake systems that are subject to precise homeostatic regulation. The long-range goal of our research is to define the molecular mechanism(s) and regulation of metal ion uptake in eukaryotic cells. Integrating genetic, molecular biological and biochemical approaches, we have examined these processes in the yeast Saccharomyces cerevisiae and the plant Arabidopsis thaliana. Both are proven model systems for studying fundamental cellular processes. Our work has focused on the ZIP family of metal transporters which we identified; this family has representatives in bacteria, fungi, plants and animals. IRT, one of the founding members of the ZIP family, is an essential cation transporter that is expressed in the epidermal cells of iron deficient plant roots and is responsible for uptake of iron from the soil. We now know that there are 15 ZIP genes in the Arabidopsis and the similarities among their encoded gene products. The ZIP family members display different substrate specificities for metals and different tissue distributions in Arabidopsis. Moreover, the family members respond differentially to metal deficiencies. For example, IRT1, ZIP6 and ZIP9 mRNA are expressed mainly in the roots of iron deficient plants whereas ZIP4 responds to both iron and zinc deficiency. Work in both yeast and Arabidopsis has addressed substrate specificity as well as how these transporters are regulated in response to metal availability

Mary Lou Geurinot; David Eide

2002-04-29T23:59:59.000Z

193

Precise rare earth analysis of geological materials  

Science Conference Proceedings (OSTI)

Rare earth element (REE) concentrations are very informative in revealing chemical fractionation processs in geological systems. The REE's (La-Lu) behavior is characteristic of various primary and secondary minerals which comprise a rock. The REE's contents and their patterns provide a strong fingerprint in distinguishing among various rock types and in understanding the partial melting and/or fractional crystallization of the source region. The REE contents in geological materials are usually at trace levels. To measure all the REE at such levels, radiochemical neutron activation analysis (RNAA) has been used with a REE group separation scheme. To maximize detection sensitivites for individual REE, selective ..gamma..-ray/x-ray measurements have been made using normal Ge(Li) and low-energy photon detectors (LEPD), and Ge(Li)-NaI(Tl) coincidence-noncoincidence spectrometer systems. Using these detection methods an individual REE can be measured at or below the ppB levels; chemical yields of the REE are determined by reactivation.

Laul, J.C.; Wogman, N.A.

1982-01-01T23:59:59.000Z

194

Power Plant Baghouse Survey 2010  

Science Conference Proceedings (OSTI)

As particulate emission regulations become more stringent, the use of baghouses (also known as fabric filters) for particulate control on coal-fired boilers in the power generation industry has increased significantly in the past several years. With the potential for Maximum Achievable Control Technology requirements for air toxics being considered by the U.S. Environmental Protection Agency, power plants may be required to add sorbents to control mercury, trace metals and acid gases, further increasing ...

2010-12-31T23:59:59.000Z

195

Mercury and Other Trace Metals in Coal  

Science Conference Proceedings (OSTI)

This document summarizes the trace metal analyses of more than 150 as-received bituminous, sub-bituminous, and lignite coal samples from full-scale power plants. Analyses for mercury, arsenic, beryllium, cadmium, chromium, copper, nickel, and lead offer a benchmark for utilities to compare and contrast their own estimates and measurements of trace element content in coal.

1997-02-25T23:59:59.000Z

196

Exploring the Chemical Space for Rare-earth Additions to Optimize ...  

Science Conference Proceedings (OSTI)

Characterization of Indonesia Rare Earth Minerals and their Potential Processing Techniques Characterization of Rare Earth Minerals with Field Emission...

197

Metallic Glass II  

Science Conference Proceedings (OSTI)

Aug 8, 2013 ... Application of Metallic Glass for High Performance Si Solar Cell: ... of the metallic glasses during heating is dependent on the thermal stability of...

198

Light Metals 2010  

Science Conference Proceedings (OSTI)

Feb 1, 2010 ... Softcover book: Light Metals 2008 Volume 2: Aluminum Reduction. Hardcover book and CD-ROM: Light Metals 2009...

199

Bulk Metallic Glasses IX  

Science Conference Proceedings (OSTI)

... of elements to form metallic-glass alloys] have resulted in the required cooling rate ... Bauschinger Effect in Metallic Glass Nanowires under Cyclic Loading.

200

Bulk Metallic Glasses XI  

Science Conference Proceedings (OSTI)

Jul 15, 2013 ... A Bulk Metallic Glass with Record-breaking Damage Tolerance ... Oxidation on the Surface Characteristics of Zr-based Bulk Metallic Glasses.

Note: This page contains sample records for the topic "rare metals plant" 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

Principal Metals Online  

Science Conference Proceedings (OSTI)

Topic Title: WEB RESOURCE: Principal Metals Online Topic Summary: Principal Metals inventory database. Created On: 2/9/2007 5:41 AM, Topic View:.

202

Refractory Metals Committee  

Science Conference Proceedings (OSTI)

The Refractory Metals Committee is part of the Structural Materials Division. Our Mission: Includes all technical aspects of the science of refractory metals and...

203

Bog Plants  

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

Bog Plants Bog Plants Nature Bulletin No. 385-A June 6, 1970 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation BOG PLANTS Fifty years ago there were probably more different kinds of plants within a 50 mile radius from the Loop than anywhere else in the Temperate Zone. Industrial, commercial and residential developments, plus drainage and fires have erased the habitats where many of the more uncommon kinds flourished, including almost all of the tamarack swamps and quaking bogs. These bogs were a heritage from the last glacier. Its front had advanced in a great curve, from 10 to 20 miles beyond what is now the shoreline of Lake Michigan, before the climate changed and it began to melt back. Apparently the retreat was so rapid that huge blocks of ice were left behind, surrounded by the outwash of boulders, gravel and ground-up rock called "drift". These undrained depressions; became lakes. Sphagnum moss invaded many of them and eventually the thick floating mats of it supported a variety of bog-loving plants including certain shrubs, tamarack, and a small species of birch. Such lakes became bogs.

204

Medicinal Plants  

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

Medicinal Plants Medicinal Plants Nature Bulletin No. 187 April 11, 1981 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation MEDICINAL PLANTS In springtime, many years ago, grandma made her family drink gallons of tea made by boiling roots of the sassafras. That was supposed to thin and purify the blood. Children were sent out to gather dandelion, curly dock, wild mustard, pokeberry and other greens as soon as they appeared -- not only because they added welcome variety to the diet of bread, meat, potatoes and gravy, but because some of them were also laxatives. For a bad "cold on the lungs," she slapped a mustard plaster on the patient's back, and on his chest she put a square of red flannel soaked in goose grease. For whooping cough she used a syrup of red clover blossoms. She made cough medicine from the bloodroot plant, and a tea from the compass plant of the prairies was also used for fevers and coughs. She made a pleasant tea from the blossoms of the linden or basswood tree. For stomach aches she used tea from any of several aromatic herbs such as catnip, fennel, yarrow, peppermint, spearmint, sweetflag, wild ginger, bergamot and splice bush.

205

Characterization of the Toxicity of Coal-Fired Power Plant Effluents to Freshwater Mussels  

Science Conference Proceedings (OSTI)

Coal-fired power plant effluents contain trace metals, dissolved salts, and nutrients that may harm aquatic life, including fish, invertebrates, and freshwater mussels, living in receiving streams adjacent to the plants. This interim report discusses the results of effluent toxicity and water quality tests performed over the past year for three coal-fired power plantsMitchell Plant and Mountaineer Plant, both in West Virginia, and Marshall Plant in North Carolina.

2011-12-08T23:59:59.000Z

206

Trending: Metal Oxo Bonds  

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

Trending: Metal Oxo Bonds Trending: Metal Oxo Bonds Trending: Metal Oxo Bonds Print Wednesday, 29 May 2013 00:00 Metal oxides are important for scientific and technical applications in a variety of disciplines, including materials science, chemistry, and biology. Highly covalent metal-oxygen multiple bonds (metal oxos) are the building blocks of metal oxides and have a bearing on the oxide's desirable chemical, magnetic, electronic, and thermal properties. The lack of a more sophisticated grasp of bonding in metal oxides constitutes a roadblock to innovation in a wide variety of important emergent technologies, including industrial catalysis, biomimetic transformations, and artificial photosynthesis. To address this problem, a research team from four national laboratories, three Department of Energy synchrotron user facilities, and the University of Washington has applied spectroscopic and computational analyses to a number of metal oxides, quantifying trends in metal oxo bonding for groups of metals across the periodic table.

207

Selecting the suitable dopants: electronic structures of transition metal and rare earth doped thermoelectric sodium cobaltate  

E-Print Network (OSTI)

Engineered Na0.75CoO2 is considered a prime candidate to achieve high efficiency thermoelectric systems to regenerate electricity from waste heat. In this work, three elements with outmost electronic configurations, (1) an open d shell (Ni), (2) a closed d shell (Zn), and (3) an half fill f shell (Eu) with a maximum unpaired electrons, were selected to outline the dopants' effects on electronic and crystallographic structures of Na0.75CoO2. Systematic ab initio density functional calculations showed that the formation energy of these dopants was found to be lowest when residing on sodium layer and ranked as -1.1 eV, 0.44 eV and 3.44 eV for Eu, Ni and Zn respectively. Furthermore Ni was also found to be stable when substituting Co ion. As these results show great harmony with existing experimental data, they provide new insights into the fundamental principle of dopant selection for manipulating the physical properties in the development of high performance sodium cobaltate based thermoelectric materials.

Assadi, M H N; Yu, A B

2012-01-01T23:59:59.000Z

208

Behavior of Rare Earth Elements in Geothermal Systems- A New  

Open Energy Info (EERE)

Behavior of Rare Earth Elements in Geothermal Systems- A New Behavior of Rare Earth Elements in Geothermal Systems- A New Exploration/Exploitation Tool? Jump to: navigation, search OpenEI Reference LibraryAdd to library Report: Behavior of Rare Earth Elements in Geothermal Systems- A New Exploration/Exploitation Tool? Abstract N/A Author Department of Geology and Geological Engineering niversity of Idaho Published Publisher Not Provided, 2001 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Behavior of Rare Earth Elements in Geothermal Systems- A New Exploration/Exploitation Tool? Citation Department of Geology and Geological Engineering niversity of Idaho. 2001. Behavior of Rare Earth Elements in Geothermal Systems- A New Exploration/Exploitation Tool?. (!) : (!) . Retrieved from

209

Poisonous Plants  

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

Plants Plants Nature Bulletin No. 276 October 1, 1983 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation POISONOUS PLANTS In the autumn of 1818, Nancy Hanks Lincoln died of milk sickness and left her son, Abe, motherless before he was ten years old. Since colonial times, in most of the eastern half of the United States, that dreaded disease has been a hazard in summer and fall, wherever cattle graze in woodlands or along wooded stream banks. In the 1920s it was finally traced to white snakeroot -- an erect branched plant, usually about 3 feet tall, with a slender round stem, sharply-toothed nettle-like leaves and, in late summer, several small heads of tiny white flowers. Cows eating small amounts over a long period develop a disease called "trembles", and their milk may bring death to nursing calves or milk sickness to humans. When larger amounts are eaten the cow, herself, may die.

210

Precious Metals Conversion Information  

Science Conference Proceedings (OSTI)

Precious Metals Conversion Information. The Office of Weights and Measures (OWM) has prepared a Conversion Factors ...

2012-11-21T23:59:59.000Z

211

Corrosion of valve metals  

DOE Green Energy (OSTI)

A general survey related to the corrosion of valve metals or film-forming metals. The way these metals corrode with some general examples is described. Valve metals form relatively perfect oxide films with little breakdown or leakage when anodized. (FS)

Draley, J.E.

1976-01-01T23:59:59.000Z

212

Ceramic to metal seal  

DOE Patents (OSTI)

Providing a high strength, hermetic ceramic to metal seal by essentially heating a wire-like metal gasket and a ceramic member, which have been chemically cleaned, while simultaneously deforming from about 50 to 95 percent the metal gasket against the ceramic member at a temperature of about 30 to 75 percent of the melting temperature of the metal gasket.

Snow, Gary S. (Albuquerque, NM); Wilcox, Paul D. (Albuquerque, NM)

1976-01-01T23:59:59.000Z

213

Radioactive scrap metal decontamination technology assessment report  

SciTech Connect

Within the DOE complex there exists a tremendous quantity of radioactive scrap metal. As an example, it is estimated that within the gaseous diffusion plants there exists in excess of 700,000 tons of contaminated stainless steel. At present, valuable material is being disposed of when it could be converted into a high quality product. Liquid metal processing represents a true recycling opportunity for this material. By applying the primary production processes towards the material`s decontamination and re-use, the value of the strategic resource is maintained while drastically reducing the volume of material in need of burial. Potential processes for the liquid metal decontamination of radioactively contaminated metal are discussed and contrasted. Opportunities and technology development issues are identified and discussed. The processes compared are: surface decontamination; size reduction, packaging and burial; melting technologies; electric arc melting; plasma arc centrifugal treatment; air induction melting; vacuum induction melting; and vacuum induction melting and electroslag remelting.

Buckentin, J.M.; Damkroger, B.K.; Schlienger, M.E. [Sandia National Labs., Albuquerque, NM (United States). Liquid Metal Processing Lab.

1996-04-01T23:59:59.000Z

214

Trending: Metal Oxo Bonds  

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

Trending: Metal Oxo Bonds Print Trending: Metal Oxo Bonds Print Metal oxides are important for scientific and technical applications in a variety of disciplines, including materials science, chemistry, and biology. Highly covalent metal-oxygen multiple bonds (metal oxos) are the building blocks of metal oxides and have a bearing on the oxide's desirable chemical, magnetic, electronic, and thermal properties. The lack of a more sophisticated grasp of bonding in metal oxides constitutes a roadblock to innovation in a wide variety of important emergent technologies, including industrial catalysis, biomimetic transformations, and artificial photosynthesis. To address this problem, a research team from four national laboratories, three Department of Energy synchrotron user facilities, and the University of Washington has applied spectroscopic and computational analyses to a number of metal oxides, quantifying trends in metal oxo bonding for groups of metals across the periodic table.

215

Trending: Metal Oxo Bonds  

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

Trending: Metal Oxo Bonds Print Trending: Metal Oxo Bonds Print Metal oxides are important for scientific and technical applications in a variety of disciplines, including materials science, chemistry, and biology. Highly covalent metal-oxygen multiple bonds (metal oxos) are the building blocks of metal oxides and have a bearing on the oxide's desirable chemical, magnetic, electronic, and thermal properties. The lack of a more sophisticated grasp of bonding in metal oxides constitutes a roadblock to innovation in a wide variety of important emergent technologies, including industrial catalysis, biomimetic transformations, and artificial photosynthesis. To address this problem, a research team from four national laboratories, three Department of Energy synchrotron user facilities, and the University of Washington has applied spectroscopic and computational analyses to a number of metal oxides, quantifying trends in metal oxo bonding for groups of metals across the periodic table.

216

Trending: Metal Oxo Bonds  

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

Trending: Metal Oxo Bonds Print Trending: Metal Oxo Bonds Print Metal oxides are important for scientific and technical applications in a variety of disciplines, including materials science, chemistry, and biology. Highly covalent metal-oxygen multiple bonds (metal oxos) are the building blocks of metal oxides and have a bearing on the oxide's desirable chemical, magnetic, electronic, and thermal properties. The lack of a more sophisticated grasp of bonding in metal oxides constitutes a roadblock to innovation in a wide variety of important emergent technologies, including industrial catalysis, biomimetic transformations, and artificial photosynthesis. To address this problem, a research team from four national laboratories, three Department of Energy synchrotron user facilities, and the University of Washington has applied spectroscopic and computational analyses to a number of metal oxides, quantifying trends in metal oxo bonding for groups of metals across the periodic table.

217

Trending: Metal Oxo Bonds  

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

Trending: Metal Oxo Bonds Print Trending: Metal Oxo Bonds Print Metal oxides are important for scientific and technical applications in a variety of disciplines, including materials science, chemistry, and biology. Highly covalent metal-oxygen multiple bonds (metal oxos) are the building blocks of metal oxides and have a bearing on the oxide's desirable chemical, magnetic, electronic, and thermal properties. The lack of a more sophisticated grasp of bonding in metal oxides constitutes a roadblock to innovation in a wide variety of important emergent technologies, including industrial catalysis, biomimetic transformations, and artificial photosynthesis. To address this problem, a research team from four national laboratories, three Department of Energy synchrotron user facilities, and the University of Washington has applied spectroscopic and computational analyses to a number of metal oxides, quantifying trends in metal oxo bonding for groups of metals across the periodic table.

218

ATOMIC POWER PLANT  

DOE Patents (OSTI)

This patent relates to neutronic reactor power plants and discloses a design of a reactor utilizing a mixture of discrete units of a fissionable material, such as uranium carbide, a neutron moderator material, such as graphite, to carry out the chain reaction. A liquid metal, such as bismuth, is used as the coolant and is placed in the reactor chamber with the fissionable and moderator material so that it is boiled by the heat of the reaction, the boiling liquid and vapors passing up through the interstices between the discrete units. The vapor and flue gases coming off the top of the chamber are passed through heat exchangers, to produce steam, for example, and thence through condensers, the condensed coolant being returned to the chamber by gravity and the non- condensible gases being carried off through a stack at the top of the structure.

Daniels, F.

1957-11-01T23:59:59.000Z

219

Outlooks of HLW Partitioning Technologies Usage for Recovering of Platinum Metals from Spent Fuel  

Science Conference Proceedings (OSTI)

The existing practice of management of high level waste (HLW) generated by NPPs, call for a task of selective separation of the most dangerous long-lived radionuclides with the purpose of their subsequent immobilization and disposal. HLW partitioning allows to reduce substantially the cost of vitrified product storage owing to isolation of the most dangerous radionuclides, such as transplutonium elements (TPE) into separate fractions of small volumes, intended for ultimate storage. By now numerous investigations on partitioning of HLW of various composition have been carried out in many countries and a lot of processes permitting to recover cesium, strontium, TPE and rare earth elements (REE) have been already tested. Apart from enumerated radionuclides, a fair quantity of palladium and rhodium presents in spent fuel, but the problem of these elements recovery has not yet been decided at the operating radiochemical plants. A negative effect of platinum group metals (PGM) occurrence is determined by the formation of separate metal phase, which not only worsens the conditions of glass-melting but also shortens considerably the service life of the equipment. At the same time, the exhaustion of PGMs natural resources may finally lead to such a growth of their costs that the spent nuclear fuel would became a substituting source of these elements industrial production. Allowing above mentioned, it is of interest to develop the technique for ''reactor'' palladium and rhodium recovery process which would be compatible with HLW partitioning and could be realized using the same facilities. In the report the data on platinum metals distribution in spent fuel reprocessing products and the several flowsheets for palladium separation from HLW are presented.

Pokhitonov, Y. A.; Estimantovskiy, V.; Romanovski, v.; Zatsev, B.; Todd, T.

2003-02-24T23:59:59.000Z

220

Bagdad Plant  

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

Bagdad Plant Bagdad Plant 585 Silicon Drive Leechburg, P A 15656 * ATI Allegheny "'I Ludlum e-mail: Raymond.Polinski@ATImetals.com Mr. James Raba U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Building Technologies Program 1000 Independence Avenue SW Washington, DC 205585-0121 Raymond J. Polinski General Manager Grain-Oriented Electrical Steel RE: Distribution Transformers Rulemaking Docket Number EE-2010-STD-0048 RIN 1904-AC04 Submitted 4-10-12 via email Mr. Raba, I was planning to make the following closing comments at the DOE Public Meeting on February 23, 2012, but since the extended building evacuation caused the meeting to run well past the scheduled completion time I decided to submit my comments directly to you for the record.

Note: This page contains sample records for the topic "rare metals plant" 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

Barrier Coatings for Refractory Metals and Superalloys  

SciTech Connect

In the closed working fluid loop of the proposed Prometheus space nuclear power plant (SNPP), there is the potential for reaction of core and plant structural materials with gas phase impurities and gas phase transport of interstitial elements between superalloy and refractory metal alloy components during service. Primary concerns are surface oxidation, interstitial embrittlement of refractory metals and decarburization of superalloys. In parallel with kinetic investigations, this letter evaluates the ability of potential coatings to prevent or impede communication between reactor and plant components. Key coating requirements are identified and current technology coating materials are reviewed relative to these requirements. Candidate coatings are identified for future evaluation based on current knowledge of design parameters and anticipated environment. Coatings were identified for superalloys and refractory metals to provide diffusion barriers to interstitial transport and act as reactive barriers to potential oxidation. Due to their high stability at low oxygen potential, alumina formers are most promising for oxidation protection given the anticipated coolant gas chemistry. A sublayer of iridium is recommended to provide inherent diffusion resistance to interstitials. Based on specific base metal selection, a thin film substrate--coating interdiffusion barrier layer may be necessary to meet mission life.

SM Sabol; BT Randall; JD Edington; CJ Larkin; BJ Close

2006-02-23T23:59:59.000Z

222

Polymer quenched prealloyed metal powder  

DOE Patents (OSTI)

A powder metallurgical process of preparing a sheet from a powder having an intermetallic alloy composition such as an iron, nickel or titanium aluminide. The sheet can be manufactured into 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 %, 4 to 32% Al, and optional additions such as .ltoreq.1% Cr, .gtoreq.0.05% Zr .ltoreq.2% Ti, .ltoreq.2% Mo, .ltoreq.1% Ni, .ltoreq.0.75% C, .ltoreq.0.1% B, .ltoreq.1% submicron oxide particles and/or electrically insulating or electrically conductive covalent ceramic particles, .ltoreq.1% rare earth metal, and/or .ltoreq.3 % Cu. The process includes forming a non-densified metal sheet by consolidating a powder having an intermetallic alloy composition such as by roll compaction, tape casting or plasma spraying, forming a cold rolled sheet by cold rolling the non-densified metal sheet so as to increase the density and reduce the thickness thereof and annealing the cold rolled sheet. The powder can be a water, polymer or gas atomized powder which is subjecting to sieving and/or blending with a binder prior to the consolidation step. After the consolidation step, the sheet can be partially sintered. The cold rolling and/or annealing steps can be repeated to achieve the desired sheet thickness and properties. The annealing can be carried out in a vacuum furnace with a vacuum or inert atmosphere. During final annealing, the cold rolled sheet recrystallizes to an average grain size of about 10 to 30 .mu.m. Final stress relief annealing can be carried out in the B2 phase temperature range.

Hajaligol, Mohammad R. (Midlothian, VA); Fleischhauer, Grier (Midlothian, VA); German, Randall M. (State College, PA)

2001-01-01T23:59:59.000Z

223

Survey of Rare Plants San Juan Public Lands in Dolores and  

E-Print Network (OSTI)

(NEWBERRY'S MILKVETCH)................................................. 33 BOTRYCHIUM ECHO (REFLECTED

224

Minutes from the First Annual Colorado Rare Plant Symposium Steamboat Springs, Colorado  

E-Print Network (OSTI)

,000 Primary threats: mineral, oil, and gas development, seismic exploration Land Ownership: Ute Mountain Ute Creek Reservoir). Individuals: 25,000-50,000 Primary threats: recreation, mining, oil and gas;2 Juanita: disturbance from establishing gas wells can directly impact occurrences. New Mexico people

225

Waste Isolation Pilot Plant - Enforcement Documents  

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

Enforcement Documents Enforcement Documents Waste Isolation Pilot Plant Enforcement Letter issued to Washington TRU Solutions, LLC related to Quality Assurance Deficiencies associated with the Super High-Efficiency Neutron Counter Non-Destructive Assay System Refurbishment at the Waste Isolation Pilot Plant, September 8, 2006 Preliminary Notice of Violation issued to Washington TRU Solutions, LLC, related to Radiological Uptakes at the Mobile Visual Examination and Repackaging Facility at Lawrence Livermore National Laboratory, December 22, 2005 (EA-2005-08) - Washington TRU Solutions, LLC - Press Release, December 22, 2005 Enforcement Letter issued to Diversified Metal Products, Inc. related to Transportainer Fabrication Deficiencies for the Waste Isolation Pilot Plant, October 28, 2004

226

Process damage-free damascene metal gate technology for gentle integration of epitaxially grown high-k  

Science Conference Proceedings (OSTI)

This paper presents the first successful attempt to integrate crystalline high-k gate dielectrics into a virtually damage-free damascene metal gate process. Process details as well as initial electrical characterization results on fully functional gate ... Keywords: CMP, Crystalline high-k gate dielectric, Damascene metal gate, Gadolinium oxide, Rare-earth oxide

Ralf Endres; Yordan Stefanov; Frank Wessely; Florian Zaunert; Udo Schwalke

2008-01-01T23:59:59.000Z

227

Metal-Air Batteries  

Science Conference Proceedings (OSTI)

Metal-air batteries have much higher specific energies than most currently available primary and rechargeable batteries. Recent advances in electrode materials and electrolytes, as well as new designs on metal-air batteries, have attracted intensive effort in recent years, especially in the development of lithium-air batteries. The general principle in metal-air batteries will be reviewed in this chapter. The materials, preparation methods, and performances of metal-air batteries will be discussed. Two main metal-air batteries, Zn-air and Li-air batteries will be discussed in detail. Other type of metal-air batteries will also be described.

Zhang, Jiguang; Bruce, Peter G.; Zhang, Gregory

2011-08-01T23:59:59.000Z

228

Alkali metal nitrate purification  

DOE Patents (OSTI)

A process is disclosed for removing contaminants from impure alkali metal nitrates containing them. The process comprises heating the impure alkali metal nitrates in solution form or molten form at a temperature and for a time sufficient to effect precipitation of solid impurities and separating the solid impurities from the resulting purified alkali metal nitrates. The resulting purified alkali metal nitrates in solution form may be heated to evaporate water therefrom to produce purified molten alkali metal nitrates suitable for use as a heat transfer medium. If desired, the purified molten form may be granulated and cooled to form discrete solid particles of purified alkali metal nitrates.

Fiorucci, Louis C. (Hamden, CT); Morgan, Michael J. (Guilford, CT)

1986-02-04T23:59:59.000Z

229

Meteorite made up of rare early solar system material  

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

1613meteorite 01162013 Meteorite made up of rare early solar system material Anne M Stark, LLNL, (925) 422-9799, stark8@llnl.gov Printer-friendly Pieces of the Sutter's Mill...

230

Fact Sheet: Facility For Rare Isotope Beams (FRIB) Applicant Selection |  

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

Facility For Rare Isotope Beams (FRIB) Applicant Facility For Rare Isotope Beams (FRIB) Applicant Selection Fact Sheet: Facility For Rare Isotope Beams (FRIB) Applicant Selection December 11, 2008 - 8:51am Addthis Based on the analyses and recommendations over the last decade, the U.S. Department of Energy (DOE) Office of Science determined that the establishment of a Facility for Rare Isotope Beams (FRIB) is a high priority for the future of U.S. nuclear science research. This determination and supporting rationale are reflected in the DOE/ National Science Foundation Nuclear Science Advisory Committee's 2007 Long Range Plan and the 2003 DOE report, "Facilities for the Future of Science: A Twenty-Year Outlook." A Funding Opportunity Announcement (FOA) was used to solicit applications for the conceptual design and establishment of FRIB in order

231

Press Pass - Press Release - July 19, 2013: Discovery of rare...  

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

News Quantum Diaries Press Room 13-17 July 19, 2013 FOR IMMEDIATE RELEASE Discovery of rare decay narrows space for new physics After a quarter of a century of searching,...

232

Formation of rare earth carbonates using supercritical carbon dioxide  

DOE Patents (OSTI)

The invention relates to a process for the rapid, high yield conversion of select rare earth oxides or hydroxides, to their corresponding carbonates by contact with supercritical carbon dioxide.

Fernando, Quintus (Tucson, AZ); Yanagihara, Naohisa (Zacopan, MX); Dyke, James T. (Santa Fe, NM); Vemulapalli, Krishna (Tuscon, AZ)

1991-09-03T23:59:59.000Z

233

The Uses of Rare Earth Element Activated Micrometer and ...  

Science Conference Proceedings (OSTI)

... lighting industries, detecting systems, security applications (marking objects and currency) and ... Assessment and Management of Radioactivity in Rare Earth Element Production ... Inorganic Functional Materials for Environmental Protection ... Oxides for Nuclear Waste Sequestration Applications by X-ray Spectroscopy...

234

Objective Limits on Forecasting Skill of Rare Events  

Science Conference Proceedings (OSTI)

A method for determining baselines of skill for the purpose of the verification of rare-event forecasts is described and examples are presented to illustrate the sensitivity to parameter choices. These practically perfect forecasts are designed ...

Nathan M. Hitchens; Harold E. Brooks; Michael P. Kay

2013-04-01T23:59:59.000Z

235

Behavior Of Rare Earth Element In Geothermal Systems, A New  

Open Energy Info (EERE)

Behavior Of Rare Earth Element In Geothermal Systems, A New Behavior Of Rare Earth Element In Geothermal Systems, A New Exploration-Exploitation Tool Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: Behavior Of Rare Earth Element In Geothermal Systems, A New Exploration-Exploitation Tool Details Activities (32) Areas (17) Regions (0) Abstract: The goal of this four-year project was to provide a database by which to judge the utility of the rare earth elements (REE) in the exploration for and exploitation of geothermal fields in the United States. Geothermal fluids from hot springs and wells have been sampled from a number of locations, including: (1) the North Island of New Zealand (1 set of samples); (2) the Cascades of Oregon; (3) the Harney, Alvord Desert and Owyhee geothermal areas of Oregon; (4) the Dixie Valley and Beowawe fields

236

Monitoring Biological Activity at Geothermal Power Plants  

Science Conference Proceedings (OSTI)

The economic impact of microbial growth in geothermal power plants has been estimated to be as high as $500,000 annually for a 100 MWe plant. Many methods are available to monitor biological activity at these facilities; however, very few plants have any on-line monitoring program in place. Metal coupon, selective culturing (MPN), total organic carbon (TOC), adenosine triphosphate (ATP), respirometry, phospholipid fatty acid (PLFA), and denaturing gradient gel electrophoresis (DGGE) characterizations have been conducted using water samples collected from geothermal plants located in California and Utah. In addition, the on-line performance of a commercial electrochemical monitor, the BIoGEORGE?, has been evaluated during extended deployments at geothermal facilities. This report provides a review of these techniques, presents data on their application from laboratory and field studies, and discusses their value in characterizing and monitoring biological activities at geothermal power plants.

Peter Pryfogle

2005-09-01T23:59:59.000Z

237

Bulk Metallic Glasses X  

Science Conference Proceedings (OSTI)

Jul 31, 2012 ... Aerospace and Spacecraft Applications for Bulk Metallic Glasses and Matrix Composites Air Oxidation of a Binary Cu64.5Zr35.5 Bulk Metallic...

238

Bulk Metallic Glasses VII  

Science Conference Proceedings (OSTI)

Sponsorship, The Minerals, Metals and Materials Society ... Air-Oxidation of a ( Zr55Cu30Al10Ni5)98Er2 Bulk Metallic Glass at 350-500oc Anelastic...

239

Metal phthalocyanine catalysts  

DOE Patents (OSTI)

As a new composition of matter, alkali metal or ammonium or tetraalkylammonium diazidoperfluorophthalocyanatoferrate. Other embodiments of the invention comprise compositions wherein the metal of the coordination complex is cobalt, manganese and chromium.

Ellis, Jr., Paul E. (Downingtown, PA); Lyons, James E. (Wallingford, PA)

1994-01-01T23:59:59.000Z

240

Metal phthalocyanine catalysts  

DOE Patents (OSTI)

A new composition of matter is described which is an alkali metal or ammonium or tetraalkylammonium diazidoperfluorophthalocyanatoferrate. Other embodiments of the invention comprise compositions wherein the metal of the coordination complex is cobalt, manganese and chromium.

Ellis, P.E. Jr.; Lyons, J.E.

1994-10-11T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Plant Rosettes  

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

Rosettes Rosettes Nature Bulletin No. 662 January 13, 1962 Forest Preserve District of Cook County John J. Duffy, President David H. Thompson, Senior Naturalist PLANT ROSETTES In winter our landscape is mostly leafless trees silhouetted against the sky, and the dead stalks of wildflowers, weeds and tall grasses -- with or without a blanket of snow. Some snows lie on the ground for only a few days. Others follow one after another and cover the ground with white for weeks at a time. Soon the eye begins to hunger for a glimpse of something green and growing. Then, in sunny spots where the snow has melted or where youngsters have cleared it away, there appear clusters of fresh green leaves pressed tight to the soil. Whether it is a dandelion in the lawn, a pansy in a flower border, or a thistle in a vacant lot, such a typical leaf cluster -- called a winter rosette -- is a ring of leaves around a short central stem. The leaves are narrow at the base, wider toward the tip, and spread flat on the ground with little or no overlap. This arrangement gives full exposure to sunlight and close contact with the warmer soil beneath. Such plants continue to grow, sometimes faster, sometimes slower, even under snow, throughout winter.

242

Precision metal rulers  

Science Conference Proceedings (OSTI)

... precision metal rulers. Our customers include state bureaus of Weights and Measures and departments of Agriculture. We also ...

2011-10-28T23:59:59.000Z

243

Fasteners & Metals Program  

Science Conference Proceedings (OSTI)

Directory of Accredited Laboratories. Fasteners & Metals Program. The Fastener Quality Act (FQA), Public Law 101-592, was ...

2013-11-08T23:59:59.000Z

244

TMS Light Metals Publication  

Science Conference Proceedings (OSTI)

The following instructions should be used when submitting a manuscript for any TMS Light Metals proceedings volume. INTRODUCTION. Orientation to...

245

Refractory Metals 2011  

Science Conference Proceedings (OSTI)

Aug 2, 2010 ... TMS Structural Materials Division TMS: Refractory Metals Committee. Organizer( s), Omer Dogan, DOE National Energy Technology Laboratory

246

PRODUCTION OF METALS  

DOE Patents (OSTI)

A process is described producing metallic thorium, titanium, zirconium, or hafnium from the fluoride. In the process, the fluoride is reduced with alkali or alkaline earth metal and a booster compound (e.g. iodine or a decomposable oxysalt) in a sealed bomb at superatmospheric pressure and a temperature above the melting point of the metal to be produced.

Spedding, F.H.; Wilhelm, H.A.; Keller, W.H.

1961-09-19T23:59:59.000Z

247

Durable metallized polymer mirror  

DOE Patents (OSTI)

A metallized polymer mirror construction is disclosed having improved durability against delamination and tunneling, comprising: an outer layer of polymeric material; a metal oxide layer underlying the outer layer of polymeric material; a silver reflective layer underneath the metal oxide layer; and a layer of adhesive attaching the silver layer to a substrate. 6 figs.

Schissel, P.O.; Kennedy, C.E.; Jorgensen, G.J.; Shinton, Y.D.; Goggin, R.M.

1994-11-01T23:59:59.000Z

248

Gold Nanoparticles by Alfalfa Plants  

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

Jorge Gardea-Torresdey, University of Texas at El Paso Jorge Gardea-Torresdey, University of Texas at El Paso In the well-known Greek legend the touch of King Midas would convert anything to metallic gold. Recently, a team working at SSRL lead by Professor Jorge Gardea-Torresdey from the University of Texas at El Paso have shown that ordinary alfalfa plants can accumulate very small particles (nanoparticles) of metallic gold (1). The best-known materials that contain nanoparticles of metallic gold are gold colloids. These lack the familiar metallic luster, but show bright colors which range from red, violet or blue, depending upon the size of the nanoparticles (2,3). Colloidal gold has traditionally been used to color materials such as glass (e.g. gold ruby glass and cranberry glass) and enamels (e.g. famille rose enamels) since the 16th century. The earliest report of a colloidal gold preparation may be in the Bible. The book of Exodus reports that Moses destroyed the golden calf in a manner that may have resulted in an aqueous (water-based) gold colloid, which he then forced the Israelites to drink. In modern times gold colloids are imbibed for a variety of ailments (despite little or no evidence of any health-related benefits), but the most important applications may be in the field of nano-technology (see 1, and refs therein).

249

Characterization of a new family of metal transport proteins. 1998 annual progress report  

Science Conference Proceedings (OSTI)

'Soils at many DOE sites are contaminated with metals and radionuclides. Such soils obviously pose a risk to human and animal health. Unlike organic wastes which can be metabolized, metals are immutable and cannot be degraded into harmless constituents. Phytoremediation, the use of plants to remove toxic materials from soil and water, may prove to be an environmentally friendly and cost effective solution for cleaning up metal-contaminated sites. The success of phytoremediation will rely on the availability of plants that absorb, translocate, and tolerate the contaminating metals. However, before the authors can engineer such plants, they need more basic information on how plants acquire metals. An important long term goal of the research program is to understand how metals such as zinc, cadmium and copper are transported across membranes. The research is focused on a new family of metal transporters which they have identified through combined studies in the yeast Saccharomyces cerevisiae and in the model plant Arabidopsis thaliana. They have identified a family of 19 presumptive metal transport genes in a variety of organisms including yeast, trypanosomes, plants, nematodes, and humans. This family, which the authors have designated the ZIP genes, provides a rich source of material with which to undertake studies on metal transport in eukaryotes. The project has three main objectives: Objective 1: Determine the sub-cellular location of the ZIP proteins in Arabidopsis. Objective 2: Carry out a structure/function analysis of the proteins encoded by the ZIP gene family to identify regions of the protein responsible for substrate specificity and affinity. Objective 3: Engineer plants to overexpress and underexpress members of the ZIP gene family and analyze these transgenic plants for alterations in metal accumulation. They now know that manipulation of transporter levels will also require an understanding of post-transcriptional control of ZIP gene expression. They are currently in year one of a three-year project.'

Guerinot, M.L.

1998-06-01T23:59:59.000Z

250

Rare earth elements in synthetic zircon. 1. synthesis, and rare earth element and phosphorus doping.  

SciTech Connect

Sedimentary mineral assemblages commonly contain detrital zircon crystals as part of the heavy-mineral fraction. Age spectra determined by U-Pb isotopic analysis of single zircon crystals within a sample may directly image the age composition--but not the chemical composition--of the source region. Rare earth element (REE) abundances have been measured for zircons from a range of common crustal igneous rock types from different tectonic environments, as well as kimberlite, carbonatite, and high-grade metamorphic rocks, to assess the potential of using zircon REE characteristics to infer the rock types present in sediment source regions. Except for zircon with probable mantle affinities, zircon REE abundances and normalized patterns show little intersample and intrasample variation. To evaluate the actual variation in detrital zircon REE composition in a true sediment of known mixed provenance, zircons from a sandstone sample from the Statfjord Formation (North Sea) were analyzed. Despite a provenance including high-grade metasediment and granitoids and a range in zircon age of 2.82 b.y., the zircon REEs exhibit a narrow abundance range with no systematic differences in pattern shape. These evidences show zircon REE patterns and abundances are generally not useful as indicators of provenance.

Hanchar, J. M.; Finch, R. J.; Hoskin, W. O.; Watson, E. B.; Cherniak, D. J.; Mariano, A. N.; Chemical Engineering; George Washington Univ.; Univ. of Canterbury; Australian National Univ.; Rensselaer Polytechnic Inst.

2001-05-01T23:59:59.000Z

251

Silica Embedded Metal Hydrides  

DOE Green Energy (OSTI)

A method to produce silica embedded metal hydride was developed. The product is a composite in which metal hydride particles are embedded in a matrix of silica. The silica matrix is highly porous. Hydrogen gas can easily reach the embedded metal hydride particles. The pores are small so that the metal hydride particles cannot leave the matrix. The porous matrix also protects the metal hydride particles from larger and reactive molecules such as oxygen, since the larger gas molecules cannot pass through the small pores easily. Tests show that granules of this composite can absorb hydrogen readily and withstand many cycles without making fines.

Heung, L.K. [Westinghouse Savannah River Company, AIKEN, SC (United States); Wicks, G.G.

1998-08-01T23:59:59.000Z

252

Blacksville No. 2 Coal Preparation Plant final report  

Science Conference Proceedings (OSTI)

This report discusses an investigation of the effects of washing on the concentrations of selected metals and non-metals in coal. The investigation concerned the Blacksville No. 2 coal preparation plant of CONSOL Inc. Samples of four solids and three water streams were collected at the plant with the assistance of CONSOL. The solids were the raw coal, the product coal, and both coarse and fine grades of refuse. The water streams analyzed were input water (a mixture of makeup water and recycled thickener overflow), output water (thickener overflow), and water from the thickener underflow. The contaminants determined in these materials were 16 trace metals, 5 major metals, and four non-metals.

NONE

1995-03-28T23:59:59.000Z

253

Investigation of RF plasma spraying synthesis of rare earth oxide nano-materials.  

E-Print Network (OSTI)

??Nano rare earth materials have attracted great interest recently due to their unique properties and extensive applications. Among the methods for nano rare earth materials (more)

Sun, Xiao Long.

2010-01-01T23:59:59.000Z

254

Extraction process for removing metallic impurities from alkalide metals  

DOE Patents (OSTI)

A development is described for removing metallic impurities from alkali metals by employing an extraction process wherein the metallic impurities are extracted from a molten alkali metal into molten lithium metal due to the immiscibility of the alkali metals in lithium and the miscibility of the metallic contaminants or impurities in the lithium. The purified alkali metal may be readily separated from the contaminant-containing lithium metal by simple decanting due to the differences in densities and melting temperatures of the alkali metals as compared to lithium.

Royer, Lamar T. (Knoxville, TN)

1988-01-01T23:59:59.000Z

255

Extraction process for removing metallic impurities from alkalide metals  

DOE Patents (OSTI)

A development is described for removing metallic impurities from alkali metals by employing an extraction process wherein the metallic impurities are extracted from a molten alkali metal into molten lithium metal due to the immiscibility of the alkali metals in lithium and the miscibility of the metallic contaminants or impurities in the lithium. The purified alkali metal may be readily separated from the contaminant-containing lithium metal by simple decanting due to the differences in densities and melting temperatures of the alkali metals as compared to lithium.

Royer, L.T.

1987-03-20T23:59:59.000Z

256

Fact Sheet: Facility for Rare Isotope Beams (FRIB) Applicant Selection |  

Office of Science (SC) Website

Fact Sheet: Fact Sheet: Facility for Rare Isotope Beams (FRIB) Applicant Selection News Featured Articles Science Headlines 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 Presentations & Testimony News Archives Contact Information Office of Science U.S. Department of Energy 1000 Independence Ave., SW Washington, DC 20585 P: (202) 586-5430 12.11.08 Fact Sheet: Facility for Rare Isotope Beams (FRIB) Applicant Selection Print Text Size: A A A Subscribe FeedbackShare Page Based on the analyses and recommendations over the last decade, the U.S. Department of Energy (DOE) Office of Science determined that the establishment of a Facility for Rare Isotope Beams (FRIB) is a high priority for the future of U.S. nuclear science research. This determination and supporting rationale are reflected in the DOE/ National

257

A REVIEW OF THE RARE-EARTH HYDRIDES  

SciTech Connect

Some of the properties of rare earth hydrides are reviewed. Information on the hydrides of Tm, Lu, Tb, and Ho is not included because no work has been done on these elements. Eu and Yb are different from other rare earths in that MH/sub 2/ is their highest hydride and the crystal structures of EuH/sub 2/ and YbH/sub 2/ are orthorhombic. ra, Ce, Pr, and Nd form a dihydride which will take hydrogen into solid solution up to MH/sub 3/ without a change in crystal structure. The heavy rare earths form the same type of dihydride as the light, but as the hydrogen content increases from MH/sub 2/ the cubic structure becomes unstable and is replaced by a hexagonal structare. With increasing atomic number, thermal stability and hydrogen deusity increase. (J.R.D.)

Mulford, R.N.R.

1950-01-01T23:59:59.000Z

258

Sumitomo Metal Industries Ltd Sumitomo Metals | Open Energy Information  

Open Energy Info (EERE)

Sumitomo Metal Industries Ltd Sumitomo Metals Sumitomo Metal Industries Ltd Sumitomo Metals Jump to: navigation, search Name Sumitomo Metal Industries Ltd (Sumitomo Metals) Place Osaka-shi, Osaka, Japan Zip 540-0041 Sector Solar Product Engaged in the steel, engineering, and electronics businesses; works on fuel cell component technology and manufactures silicon wafers for the solar sector. References Sumitomo Metal Industries Ltd (Sumitomo Metals)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Sumitomo Metal Industries Ltd (Sumitomo Metals) is a company located in Osaka-shi, Osaka, Japan . References ↑ "Sumitomo Metal Industries Ltd (Sumitomo Metals)" Retrieved from "http://en.openei.org/w/index.php?title=Sumitomo_Metal_Industries_Ltd_Sumitomo_Metals&oldid=351744"

259

Technology for the Examination of Boiler Tubing Dissimilar Metal Welds  

Science Conference Proceedings (OSTI)

In an effort to determine the optimum method for examination of fossil power plant dissimilar metal boiler tube welds, researchers obtained several samples removed from service, and applied various ultrasonic examination technology to these samples. The welds in these samples were made with either austenitic stainless steel weld metal or by the induction pressure method. The welds were then subjected to conventional and advanced ultrasonic examination in the laboratory. For all examination methods, there...

2011-12-07T23:59:59.000Z

260

Characterization of a new family of metal transporters  

Science Conference Proceedings (OSTI)

Metal ions are critical nutrients, yet overaccumulation of these same metals can also be toxic. To maintain appropriate intracellular levels, cells require specific metal uptake systems that are subject to precise homeostatic regulation. The long-range goal of our research is to define the molecular mechanism(s) and regulation of metal ion uptake in eukaryotic cells. Integrating genetic, molecular biological and biochemical approaches, we have examined these processes in the yeast Saccharomyces cerevisiae and the plant Arabidopsis thaliana. Both are proven model systems for studying fundamental cellular processes. Our work has focused on the ZIP family of metal transporters which we identified; this family has representatives in bacteria, fungi,plants and animals. IRT1, one of the founding members of the ZIP family, is an essential cation transporter that is expressed in the epidermal cells of iron deficient plant roots and is responsible for uptake of iron from the soil. We now know that t here are 15 ZIP genes in the Arabidopsis genome which can be divided into four different classes, based on their intron/exon arrangements and the similarities among their encoded gene products. The ZIP family members display different substrate specificities for metals and different tissue distributions in Arabidopsis.Moreover, the family members respond differentially to metal deficiencies. For example, IRT1, ZIP6 and ZIP9 mRNA are expressed mainly in the roots of iron deficient plants whereas ZIP4 responds to both iron and zinc deficiency. Work in both yeast and Arabidopsis has addressed substrate specificity as well as how these transporters are regulated in response to metal availability. Our project was broken down into four specific aims. Significant progress was made on all four aims. I have listed the publications which have resulted under the relevant specific aim.

Guerinot, Mary L.; Dide, David

1999-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Carbide/nitride grain refined rare earth-iron-boron permanent magnet and method of making  

DOE Patents (OSTI)

A method of making a permanent magnet wherein 1) a melt is formed having a base alloy composition comprising RE, Fe and/or Co, and B (where RE is one or more rare earth elements) and 2) TR (where TR is a transition metal selected from at least one of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, and Al) and at least one of C and N are provided in the base alloy composition melt in substantially stoichiometric amounts to form a thermodynamically stable compound (e.g. TR carbide, nitride or carbonitride). The melt is rapidly solidified in a manner to form particulates having a substantially amorphous (metallic glass) structure and a dispersion of primary TRC, TRN and/or TRC/N precipitates. The amorphous particulates are heated above the crystallization temperature of the base alloy composition to nucleate and grow a hard magnetic phase to an optimum grain size and to form secondary TRC, TRN and/or TRC/N precipitates dispersed at grain boundaries. The crystallized particulates are consolidated at an elevated temperature to form a shape. During elevated temperature consolidation, the primary and secondary precipitates act to pin the grain boundaries and minimize deleterious grain growth that is harmful to magnetic properties.

McCallum, R. William (Ames, IA); Branagan, Daniel J. (Ames, IA)

1996-01-23T23:59:59.000Z

262

Enthalpies of Formation of Rare-Earth Orthovanadates, REVO4  

Science Conference Proceedings (OSTI)

Rare earth orthovanadates, REVO4, having the zircon structure, form a series of materials interesting for magnetic, optical, sensor, and electronic applications. Enthalpies of formation of REVO4 compounds (RE=Sc, Y, Ce Nd, Sm Tm, Lu) were determined by oxide melt solution calorimetry in lead borate (2PbO {center_dot} 2B2O3) solvent at 1075 K. The enthalpies of formation from oxide components become more negative with increasing RE ionic radius. This trend is similar to that obtained for the rare earth phosphates.

Dorogova, M. [University of California, Davis; Navrotsky, Alexandra [University of California, Davis; Boatner, Lynn A [ORNL

2007-01-01T23:59:59.000Z

263

THE RARE EARTH PEAK: AN OVERLOOKED r-PROCESS DIAGNOSTIC  

Science Conference Proceedings (OSTI)

The astrophysical site or sites responsible for the r-process of nucleosynthesis still remains an enigma. Since the rare earth region is formed in the latter stages of the r-process, it provides a unique probe of the astrophysical conditions during which the r-process takes place. We use features of a successful rare earth region in the context of a high-entropy r-process (S {approx}> 100k{sub B} ) and discuss the types of astrophysical conditions that produce abundance patterns that best match meteoritic and observational data. Despite uncertainties in nuclear physics input, this method effectively constrains astrophysical conditions.

Mumpower, Matthew R.; McLaughlin, G. C. [Department of Physics, North Carolina State University, Raleigh, NC 27695-8202 (United States); Surman, Rebecca, E-mail: mrmumpow@ncsu.edu, E-mail: gail_mclaughlin@ncsu.edu, E-mail: surmanr@union.edu [Department of Physics and Astronomy, Union College, Schenectady, NY 12308 (United States)

2012-06-20T23:59:59.000Z

264

Process to remove rare earth from IFR electrolyte  

DOE Patents (OSTI)

The invention is a process for the removal of rare earths from molten chloride electrolyte salts used in the reprocessing of integrated fast reactor fuel (IFR). The process can be used either continuously during normal operation of the electrorefiner or as a batch process. The process consists of first separating the actinide values from the salt before purification by removal of the rare earths. After replacement of the actinides removed in the first step, the now-purified salt electrolyte has the same uranium and plutonium concentration and ratio as when the salt was removed from the electrorefiner.

Ackerman, John P. (Downers Grove, IL); Johnson, Terry R. (Wheaton, IL)

1994-01-01T23:59:59.000Z

265

Process to remove rare earth from IFR electrolyte  

DOE Patents (OSTI)

The invention is a process for the removal of rare earths from molten chloride electrolyte salts used in the reprocessing of integrated fast reactor fuel (IFR). The process can be used either continuously during normal operation of the electrorefiner or as a batch process. The process consists of first separating the actinide values from the salt before purification by removal of the rare earths. After replacement of the actinides removed in the first step, the now-purified salt electrolyte has the same uranium and plutonium concentration and ratio as when the salt was removed from the electrorefiner. 1 fig.

Ackerman, J.P.; Johnson, T.R.

1994-08-09T23:59:59.000Z

266

Process to remove rare earth from IFR electrolyte  

DOE Patents (OSTI)

The invention is a process for the removal of rare earths from molten chloride electrolyte salts used in the reprocessing of integrated fast reactor fuel (IFR). The process can be used either continuously during normal operation of the electrorefiner or as a batch process. The process consists of first separating the actinide values from the salt before purification by removal of the rare earths. After replacement of the actinides removed in the first step, the now-purified salt electrolyte has the same uranium and plutonium concentration and ratio as when the salt was removed from the electrorefiner.

Ackerman, J.P.; Johnson, T.R.

1992-01-01T23:59:59.000Z

267

FORMING PROTECTIVE FILMS ON METAL  

DOE Patents (OSTI)

Methods are described of inhibiting the corrosion of ferrous metal by contact with heavy liquid metals such as bismuth and gallium at temperatures above 500 icient laborato C generally by bringing nltrogen and either the metal zirconium, hafnium, or titanium into reactlve contact with the ferrous metal to form a thin adherent layer of the nitride of the metal and thereafter maintaining a fractional percentage of the metal absorbed in the heavy liquid metal in contact with the ferrous metal container. The general purpose for uslng such high boiling liquid metals in ferrous contalners would be as heat transfer agents in liquid-metal-fueled nuclear reactors.

Gurinsky, D.H.; Kammerer, O.F.; Sadofsky, J.; Weeks, J.R.

1958-12-16T23:59:59.000Z

268

BOF steelmaking without hot metal  

SciTech Connect

This paper will discuss implementation of Z-BOP technology at Iscor's New Castle plant. The implementation program and operating results of Z-BOP-100 technology will be covered. The unique experience of the BOF shop operation without hot metal supply from the blast furnaces will also be described. This experience was a result of proprietary Z-BOP technology implementation at Iscor during its sole blast furnace reline. The Z-BOP is a family of technologies operating with scrap ratios in the charge from 30 to 100%. These technologies can be used in conventional top-blown BOF with virtually no equipment modifications. The principal additional energy source is lump coal, fed through existing BOF bin systems. Different modification of Z-BOP, originally used on the industrial scale at the West Siberian Steel Works, Russia, were utilized at several BOF facilities worldwide. Performance of the process and its main characteristics are discussed.

Gitman, G.; Galperine, G.; Grenader, I. (Zap Tech. Corp., Norcross, GA (United States)); Van der Merwe, F.O.; Newton, R.L. (Iscor Ltd., New Castle (South Africa))

1993-07-01T23:59:59.000Z

269

SASSYS-1 balance-of-plant component models for an integrated plant response  

Science Conference Proceedings (OSTI)

Models of power plant heat transfer components and rotating machinery have been added to the balance-of-plant model in the SASSYS-1 liquid metal reactor systems analysis code. This work is part of a continuing effort in plant network simulation based on the general mathematical models developed. The models described in this paper extend the scope of the balance-of-plant model to handle non-adiabatic conditions along flow paths. While the mass and momentum equations remain the same, the energy equation now contains a heat source term due to energy transfer across the flow boundary or to work done through a shaft. The heat source term is treated fully explicitly. In addition, the equation of state is rewritten in terms of the quality and separate parameters for each phase. The models are simple enough to run quickly, yet include sufficient detail of dominant plant component characteristics to provide accurate results. 5 refs., 16 figs., 2 tabs.

Ku, J.-Y.

1989-01-01T23:59:59.000Z

270

Metal atomization spray nozzle  

DOE Patents (OSTI)

A spray nozzle for a magnetohydrodynamic atomization apparatus has a feed passage for molten metal and a pair of spray electrodes mounted in the feed passage. The electrodes, diverging surfaces which define a nozzle throat and diverge at an acute angle from the throat. Current passes through molten metal when fed through the throat which creates the Lorentz force necessary to provide atomization of the molten metal.

Huxford, Theodore J. (Harriman, TN)

1993-01-01T23:59:59.000Z

271

Metal atom oxidation laser  

DOE Patents (OSTI)

A chemical laser which operates by formation of metal or carbon atoms and reaction of such atoms with a gaseous oxidizer in an optical resonant cavity is described. The lasing species are diatomic or polyatomic in nature and are readily produced by exchange or other abstraction reactions between the metal or carbon atoms and the oxidizer. The lasing molecules may be metal or carbon monohalides or monoxides. (auth)

Jensen, R.J.; Rice, W.W.; Beattie, W.H.

1975-10-28T23:59:59.000Z

272

Metal atom oxidation laser  

DOE Patents (OSTI)

A chemical laser which operates by formation of metal or carbon atoms and reaction of such atoms with a gaseous oxidizer in an optical resonant cavity is described. The lasing species are diatomic or polyatomic in nature and are readily produced by exchange or other abstraction reactions between the metal or carbon atoms and the oxidizer. The lasing molecules may be metal or carbon monohalides or monoxides.

Jensen, R.J.; Rice, W.W.; Beattie, W.H.

1975-10-28T23:59:59.000Z

273

Supported metal alloy catalysts  

DOE Patents (OSTI)

A process of preparing a Group IV, V, or VI metal carbonitride including reacting a Group IV, V, or VI metal amide complex with ammonia to obtain an intermediate product; and, heating the intermediate product to temperatures and for times sufficient to form a Group IV, V, or VI metal carbonitride is provided together with the product of the process and a process of reforming an n-alkane by use of the product.

Barrera, Joseph (Albuquerque, NM); Smith, David C. (Santa Clara, CA)

2000-01-01T23:59:59.000Z

274

Metal atomization spray nozzle  

DOE Patents (OSTI)

A spray nozzle for a magnetohydrodynamic atomization apparatus has a feed passage for molten metal and a pair of spray electrodes mounted in the feed passage. The electrodes, diverging surfaces which define a nozzle throat and diverge at an acute angle from the throat. Current passes through molten metal when fed through the throat which creates the Lorentz force necessary to provide atomization of the molten metal. 6 figures.

Huxford, T.J.

1993-11-16T23:59:59.000Z

275

Long-day plants  

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

Long-day plants Name: Ryan S Martin Status: NA Age: NA Location: NA Country: NA Date: NA Question: What are long-day plants? Replies: Long-day plants are those that require a...

276

Characterization of Light Metals  

Science Conference Proceedings (OSTI)

Mar 15, 2012 ... Characterization of Grit Blasted Metallic Biomaterials by ... The grit blasting, a surface improvement treatment is used to enhance mechanical...

277

ELECTRON WELDING OF METALS  

SciTech Connect

The advantages and disadvantages of the electron welding of metals are briefly reviewed. Typical apparatuses used for electron welding are described. (J.S.R)

Stohr, J.-A.

1958-03-01T23:59:59.000Z

278

Metal Matrix Composites - TMS  

Science Conference Proceedings (OSTI)

METAL- MATRIX COMPOSITES UNDER MULTI- AXIAL LOADINGS: M. V. S. Ravisankar ... including the values of the stress exponent and the activation energy.

279

Rule-Based prediction of rare extreme values  

Science Conference Proceedings (OSTI)

This paper describes a rule learning method that obtains models biased towards a particular class of regression tasks. These tasks have as main distinguishing feature the fact that the main goal is to be accurate at predicting rare extreme values of ...

Rita Ribeiro; Lus Torgo

2006-10-01T23:59:59.000Z

280

Gasification Plant Databases  

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

Gasification Systems Gasification Plant Databases Welcome to the U. S. Department of Energy, National Energy Technology Laboratory's Gasification Plant Databases Within these...

Note: This page contains sample records for the topic "rare metals plant" 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

Enforcement Letter, Diversified Metal Products, Inc - October 28, 2004 |  

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

Diversified Metal Products, Inc - October 28, Diversified Metal Products, Inc - October 28, 2004 Enforcement Letter, Diversified Metal Products, Inc - October 28, 2004 October 28, 2004 Issued to Diversified Metal Products, Inc. related to Transportainer Fabrication Deficiencies for the Waste Isolation Pilot Plant This letter addresses deficiencies associated with the fabrication of four transportainers delivered under contract to Washington TRU Solutions LLC (WTS) in support of their Characterization and Repackaging Modular Unit development. The Department of Energy's (DOE) Office of Price-Anderson Enforcement (OE) has reviewed your performance in delivering these transportainers and is concerned with the quality assurance aspects of your work activities in fabricating the transportainers. Enforcement Letter, Diversified Metal Products, Inc - October 28, 2004

282

Enforcement Letter, Diversified Metal Products, Inc - October 28, 2004 |  

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

Diversified Metal Products, Inc - October 28, Diversified Metal Products, Inc - October 28, 2004 Enforcement Letter, Diversified Metal Products, Inc - October 28, 2004 October 28, 2004 Issued to Diversified Metal Products, Inc. related to Transportainer Fabrication Deficiencies for the Waste Isolation Pilot Plant This letter addresses deficiencies associated with the fabrication of four transportainers delivered under contract to Washington TRU Solutions LLC (WTS) in support of their Characterization and Repackaging Modular Unit development. The Department of Energy's (DOE) Office of Price-Anderson Enforcement (OE) has reviewed your performance in delivering these transportainers and is concerned with the quality assurance aspects of your work activities in fabricating the transportainers. Enforcement Letter, Diversified Metal Products, Inc - October 28, 2004

283

Pantex erects nearly 400 piping metal supports | National Nuclear Security  

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

erects nearly 400 piping metal supports | National Nuclear Security erects nearly 400 piping metal supports | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Pantex erects nearly 400 piping metal supports Pantex erects nearly 400 piping metal supports Posted By Office of Public Affairs Workers at the Pantex Plant are in the process of erecting nearly 400 metal

284

Pantex erects nearly 400 piping metal supports | National Nuclear Security  

National Nuclear Security Administration (NNSA)

erects nearly 400 piping metal supports | National Nuclear Security erects nearly 400 piping metal supports | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Pantex erects nearly 400 piping metal supports Pantex erects nearly 400 piping metal supports Posted By Office of Public Affairs Workers at the Pantex Plant are in the process of erecting nearly 400 metal

285

Economic assessment of polymer concrete usage in geothermal power plants  

DOE Green Energy (OSTI)

Results of a study established to review the Heber and Niland, California 50 MWe conceptual geothermal power plants designs and to identify areas where non-metallic materials, such as polymer concrete, can be technically and economically employed are reported. Emphasis was directed toward determining potential economic advantages and resulting improvements in plant availability. It is estimated that use of polymer concrete in the Heber plant will effect a savings of 6.18 mills per KWH in the cost of power delivered to the network, a savings of 9.7%. A similar savings should be effected in the Niland plant.

Not Available

1977-11-01T23:59:59.000Z

286

Recovery of Metal Oxides From Fly Ash, Volumes 1-3  

Science Conference Proceedings (OSTI)

By processing fly ash to obtain metal oxides and other commercial products, utilities can realize both sales revenues and reduced disposal costs. A commercial-scale processing plant could be ready for demonstration by 1992.

1984-06-01T23:59:59.000Z

287

Molecular Genetics of Metal Detoxification: Prospects for Phytoremediation  

DOE Green Energy (OSTI)

Unlike compounds that can be broken down, the remediation of most heavy metals and radionuclides requires physical extraction from contaminated sources. Plants can extract inorganics, but effective phytoextraction requires plants that produce high biomass, grow rapidly and possess high capacity-uptake for the inorganic substance. Either hyperaccumulator plants must be bred for increased growth and biomass or hyperaccumulation traits must be engineered into fast growing, high biomass plants. This latter approach requires fundamental knowledge of the molecular mechanisms in the uptake and storage of inorganics. Much has been learned in recent years on how plants and certain fungi chelate and transport selected heavy metals. This progress has been facilitated by the use of Schizosaccharomyces pombe as a model system. The use of a model organism for study permits rapid characterization of the molecular process. As target genes are identified in a model organism, their sequences can be modified for expression in a heterologous host or aid in the search of homologous genes in more complex organisms. Moreover, as plant nutrient uptake is intrinsically linked to the association with rhizospheric fungi, elucidating metal sequestration in this fungus permits additional opportunities for engineering rhizospheric microbes to assist in phytoextraction.

Ow, David W. ow@pgec.ams.usda.gov

2000-09-01T23:59:59.000Z

288

Engineering Plants for Tolerance to Multiple Abiotic Stresses by Overexpression of AtSAP13 Protein and Optimization of Crambe abyssinica as a Biofuel Crop in Western Massachusetts.  

E-Print Network (OSTI)

??Abiotic stresses such as drought, salt and exposure to toxic metals adversely affect the growth and productivity of crop plants and are serious threats to (more)

Vaine, Evan

2010-01-01T23:59:59.000Z

289

Rare event simulation and combinatorial optimization using cross entropy: estimation of rare event probabilities using cross-entropy  

Science Conference Proceedings (OSTI)

This paper deals with estimation of probabilities of rare events in static simulation models using a fast adaptive two-stage procedure based on importance sampling and Kullback-Liebler's cross-entropy (CE). More specifically, at the first stage we estimate ...

Tito Homem-de-Mello; Reuven Y. Rubinstein

2002-12-01T23:59:59.000Z

290

Explosion metal welding  

SciTech Connect

Process parameters pertaining to welding similar and dissimilar metals using explosives are reviewed. The discussion centers on the interrelationship of physical parameters which play a part in achieving desirable metallurgical results. Present activities in explosion metal welding at LASL are presented and shown how they related to the interests of the ERDA community.

Popoff, A.A.

1976-01-01T23:59:59.000Z

291

Clean Metal Spray Forming  

Science Conference Proceedings (OSTI)

controlled transfer of liquid metal from the ESR pool to the spray forming system is performed using a ... heating to maintain superheat and avoid freezing of the liquid metal as it flows through the funnel. ... As is the case with all similar cross-.

292

PRODUCTION OF PLUTONIUM METAL  

DOE Patents (OSTI)

A process is given for producing plutonium metal by the reduction of plutonium chloride, dissolved in alkali metal chloride plus or minus aluminum chloride, with magnesium or a magnesium-aluminum alloy at between 700 and 800 deg C and separating the plutonium or plutonium-aluminum alloy formed from the salt.

Lyon, W.L.; Moore, R.H.

1961-01-17T23:59:59.000Z

293

Liquid metal hydrogen barriers  

DOE Patents (OSTI)

Hydrogen barriers which comprise liquid metals in which the solubility of hydrogen is low and which have good thermal conductivities at operating temperatures of interest. Such barriers are useful in nuclear fuel elements containing a metal hydride moderator which has a substantial hydrogen dissociation pressure at reactor operating temperatures.

Grover, George M. (Los Alamos, NM); Frank, Thurman G. (Los Alamos, NM); Keddy, Edward S. (Los Alamos, NM)

1976-01-01T23:59:59.000Z

294

Realizing Canada's Rare Earth Elements Resource Potential: R&D ...  

Science Conference Proceedings (OSTI)

Due to the criticality of these metals and the need for metallurgical R&D across this emerging industry there is a strong federal role. To address this need...

295

Production of magnesium metal  

DOE Patents (OSTI)

A process of producing magnesium metal includes providing magnesium carbonate, and reacting the magnesium carbonate to produce a magnesium-containing compound and carbon dioxide. The magnesium-containing compound is reacted to produce magnesium metal. The carbon dioxide is used as a reactant in a second process. In another embodiment of the process, a magnesium silicate is reacted with a caustic material to produce magnesium hydroxide. The magnesium hydroxide is reacted with a source of carbon dioxide to produce magnesium carbonate. The magnesium carbonate is reacted to produce a magnesium-containing compound and carbon dioxide. The magnesium-containing compound is reacted to produce magnesium metal. The invention further relates to a process for production of magnesium metal or a magnesium compound where an external source of carbon dioxide is not used in any of the reactions of the process. The invention also relates to the magnesium metal produced by the processes described herein.

Blencoe, James G. (Harriman, TN); Anovitz, Lawrence M. (Knoxville, TN); Palmer, Donald A. (Oliver Springs, TN); Beard, James S. (Martinsville, VA)

2010-02-23T23:59:59.000Z

296

Development of materials resistant to metal dusting degradation.  

DOE Green Energy (OSTI)

The deposition of carbon from carbonaceous gaseous environments is prevalent in many chemical and petrochemical processes such as, hydrogen-, ammonia-, and methanol-reforming systems, syngas production systems, and iron-ore reduction plants. One of the major consequences of carbon deposition is the degradation of structural materials by a phenomenon known as ''metal dusting''. There are two major issues of importance in metal dusting. First is formation of coke and subsequent deposition of coke on metallic structural components. Second is the initiation and subsequent propagation of metal dusting degradation of the structural alloy. In the past, we reported on the mechanism for metal dusting of Fe- and Ni-base alloys. In this report, we present metal dusting data on both Fe- and Ni-base alloys after exposure in high and atmospheric pressure environments that simulate the gas chemistry in operating hydrogen reformers. We have also measured the progression of pits by measuring the depth as a function of exposure time for a variety of Fe- and Ni-base structural alloys. We have clearly established the role of transport of iron in forming a non-protective spinel phase in the initiation process and presence of carbon transfer channels in the oxide scale for the continued propagation of pits, by nano-beam X-ray analysis using the advance photon source (APS), Raman scattering, and SEM/EDX analysis. In this report, we have developed correlations between weight loss and pit progression rates and evaluated the effects of carbon activity, system pressure, and alloy chemistry, on weight loss and pit propagation. To develop pit propagation data for the alloys without incurring substantial time for the initiation of pits, especially for the Ni-base alloys that exhibit incubation times of thousands of hours, a pre-pitting method has been developed. The pre-pitted alloys exhibited pit propagation rates similar to those of materials tested without pre-pitting. We have also developed a substantial body of metal-dusting data on the performance of Fe- and Ni-base weldments. During the course of this project, we have developed new Ni-base and Cu-base alloys and tested them in simulated metal dusting environments at 1 atm and at high pressures. Results clearly showed superior performance of both classes of alloys in resisting metal dusting. We also developed an approach to mitigate metal dusting by performing an intermediate oxidation step for extending the life of alloys in which metal dusting has initiated and pits are in progression. Finally, we have analyzed several components that have failed in plants such as hydrogen plant, pilot plant reformer, and a gas boiler.

Natesan, K.; Zeng, Z.; Nuclear Engineering Division

2007-12-07T23:59:59.000Z

297

New baseload power plants  

Science Conference Proceedings (OSTI)

This is a listing of 221 baseload power plant units currently in the planning stage. The list shows the plant owner, capacity, fuel, engineering firm, constructor, major equipment suppliers (steam generator, turbogenerator, and flue gas desulfurization system), partner, and date the plant is to be online. This data is a result of a survey by the journal of power plant owners.

Not Available

1994-04-01T23:59:59.000Z

298

Two Cases of Orbital Myositis as a Rare Feature of  

E-Print Network (OSTI)

which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Myositis has been reported as a rare manifestation of Lyme disease, and the Lyme disease spirochetes can be an important consideration in the differential diagnosis of unusual cases of myositis, especially in patients who live in or travel to endemic areas. We report the case of two patients who presented with focal orbital myositis which are rare localization for Lyme disease. Myositis were confirmed by magnetic resonance imaging. Diagnosis criteria for Borrelia burgdorferi (B. burgdorferi) infection was supported by (i) medical history (tick bite in an endemic area), (ii) systemic clinical findings (Erythema migrans, neurological manifestation or arthritis), (iii) positive Lyme serology and/or the detection of B. burgdorferi DNA by polymerase chain reaction, as well as (iv) exclusion of other infectious and inflammatory causes. The current cases are reviewed in the context of findings from previous myositis descriptions. 1.

Article Id; Lyme Borreliosis; Arnaud Sauer; Claude Speeg-schatz; Yves Hansmann

2011-01-01T23:59:59.000Z

299

Leaching Studies for Metals Recovery from Waste Printed Wiring ...  

Science Conference Proceedings (OSTI)

Presentation Title, Leaching Studies for Metals Recovery from Waste Printed Wiring ... of the Chemical Changes and Surface Properties of Carbonated Waste Cement ... Flux for Basic Oxygen Steel Making Using Waste Oxides of Steel Plant ... Heat Treatment of Black Dross for the Production of a Value Added Material - A

300

Theoretical Review on CP Violation in Rare B decays  

E-Print Network (OSTI)

We discuss several issues related to direct CP violation in rare $B$ meson decays. We review the use of CP asymmetries in extracting information of strong and weak phases, how the experimental data fit into the overall picture, and the current status of the $K \\pi$ puzzle. We also examine the flavor symmetry assumption using closely related decay modes and extract the weak phase $\\gamma$ from certain $B \\to K^* \\pi$ and $\\rho K$ decays.

Chiang, Cheng-Wei

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Theoretical Review on CP Violation in Rare B decays  

E-Print Network (OSTI)

We discuss several issues related to direct CP violation in rare $B$ meson decays. We review the use of CP asymmetries in extracting information of strong and weak phases, how the experimental data fit into the overall picture, and the current status of the $K \\pi$ puzzle. We also examine the flavor symmetry assumption using closely related decay modes and extract the weak phase $\\gamma$ from certain $B \\to K^* \\pi$ and $\\rho K$ decays.

Cheng-Wei Chiang

2008-08-09T23:59:59.000Z

302

Process for separation of the rare earths by solvent extraction  

DOE Patents (OSTI)

Production rates for solvent extraction separation of the rare earths and yttrium from each other can be improved by the substitution of di(2-ethylhexyl) mono-thiophosphoric acid for di(2-ethylhexyl) phosphoric acid. The di(2-ethylhexyl) mono-thiophosphoric acid does not form an insoluble polymer at approximately 50% saturation as does the former extractant, permitting higher feed solution concentration and thus greater throughput.

Mason, George W. (Clarendon Hills, IL); Lewey, Sonia (Joliet, IL)

1977-04-05T23:59:59.000Z

303

Summary Report Documenting Status of the Rare Earth Oxide Investigation  

SciTech Connect

The goal of this work is to enhance the understanding of ceramic nuclear fuel thermochemistry through a coordinated modeling and experimental approach. This work supports the Advanced Fuels Campaign Feedstock and Fabrication Technology R&D Program and is focused on the following tasks: (1) use existing compound energy formalism-based models to support Los Alamos National Laboratory (LANL) fuel development activities, (2) assess rare earth (RE) oxide systems and begin development of thermochemical representations of U-RE-O systems, and (3) develop a U-Ce-O thermochemical model for the fluorite-structure phase. In support of the experimental efforts at the LANL, an assessment of temperature-oxygen potential conditions for preparing stoichiometric U{sub 1-y}Ce{sub y}O{sub 2} at relatively low values of y (< 0.4) was performed. There is significant agreement in the literature that both the independent urania and ceria phases, and the urania-ceria solution phase are stoichiometric at oxygen-to-metal (O/M) ratios of 2 at 850 C and an oxygen potential of -368 kJ/mol. The oxygen potential value is obtained at a partial pressure of CO/CO{sub 2} ratio of unity at 1 bar total pressure. This information was successfully applied in thermogravimetric analysis experimental efforts at LANL investigating urania, ceria, and blended powders of the two oxides. Data reported in the literature for oxygen potential-temperature-composition for U{sub 1-y}Ce{sub y}O{sub 2-x} was extracted manually and used to generate a data file. Assessment of the data showed both wide error ranges within sets of data as well as inconsistencies between data sets of different investigators. Figure 1, a plot of the extracted data, illustrates the paucity of experimental data with respect to composition, temperature, and O:M space. For example, as shown in Figure 1, the data as a function of temperature are limited to the range 873 K to 1273 K and higher O:M ratios. Furthermore, the compositions studied have focused on higher uranium fractions and very little work has been done at corresponding lower O:M ratios. A compound energy formalism representation has been developed for the (U,Ce)O{sub 2+x} utilizing developed models for the UO{sub 2+x} from Gueneau et al. (2002) and CeO{sub 2-x} of Zinkevich et al. (2006). A three sublattice approach was used to allow for uranium of valences up to +6. Vacancies are considered only on the anion sites. The ionic species are introduced in the sublattice as follows: (U{sup 6+},U{sup 4+},U{sup 3+},Ce{sup 4+},Ce{sup 3+}){sub 1}(O{sup 2-},Va){sub 2}(O{sup 2-},Va){sub 1} Gibbs free energy expressions for each of the derived constituents can be determined from standard state values. Optimizations using all available thermochemical information, e.g., oxygen potentials and phase equilibria, can thus yield the necessary corrections to the Gibbs free energies for the non-standard constituents and derived interaction parameters (L values). While a model is available that includes all the interactions separately among the urania and ceria species, determination of any possible non-ideal interactions between the urania and ceria cations requires optimization from first principles (if possible) and experimental data for the system. Utilizing the best set of data for oxygen potential-temperature-composition for U{sub 1-y}Ce{sub y}O{sub 2-x} the FactSage thermochemical computational software code was used to optimize the system for selected Gibbs free energy functions and interaction parameters. While it was possible to obtain optimized solutions, the resulting parameters did not allow adequate reproduction of the data, as can be seen in Fig. 2. As noted above, the quality of the data among the various investigators is poor and that is a likely cause for the lack of a reasonable representation. The focus for the remainder of the fiscal year will be twofold. There will be collaboration with LANL on the collection of experimental data to resolve inconsistencies in the literature data and to fill some of the gaps in the experimental space

Besmann, Theodore M [ORNL; Voit, Stewart L [ORNL; Shin, Dongwon [ORNL

2010-05-01T23:59:59.000Z

304

Business Center for Precious Metals  

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

Department of Energy Business Center for Precious Metals Department of Energy Business Center for Precious Metals Becky Eddy National Nuclear Security Administration Y-12 Site...

305

Metal RIE 1: Unaxis 790  

Science Conference Proceedings (OSTI)

... Scientific Opportunities / Applications: Physical milling of most metals; Anisotropic etching of metal films; Anisotropic etching of SiO 2 and SiN x. ...

2013-04-23T23:59:59.000Z

306

Nonferrous Metals Society of China  

Science Conference Proceedings (OSTI)

The Nonferrous Metals Society of China (NFSoc) is a technological organization of scientists and technologists engaged in the nonferrous metals industry.

307

Actinide metal processing  

DOE Patents (OSTI)

A process for converting an actinide metal such as thorium, uranium, or plutonium to an actinide oxide material by admixing the actinide metal in an aqueous medium with a hypochlorite as an oxidizing agent for sufficient time to form the actinide oxide material and recovering the actinide oxide material is described together with a low temperature process for preparing an actinide oxide nitrate such as uranyl nitrate. Additionally, a composition of matter comprising the reaction product of uranium metal and sodium hypochlorite is provided, the reaction product being an essentially insoluble uranium oxide material suitable for disposal or long term storage.

Sauer, N.N.; Watkin, J.G.

1992-03-24T23:59:59.000Z

308

Actinide metal processing  

DOE Patents (OSTI)

This invention is comprised of a process of converting an actinide metal such as thorium, uranium, or plutonium to an actinide oxide material by admixing the actinide metal in an aqueous medium with a hypochlorite as an oxidizing agent for sufficient time to form the actinide oxide material and recovering the actinide oxide material is provided together with a low temperature process of preparing an actinide oxide nitrate such as uranyl nitrate. Additionally, a composition of matter comprising the reaction product of uranium metal and sodium hypochlorite is provided, the reaction product being an essentially insoluble uranium oxide material suitable for disposal or long term storage.

Sauer, N.N.; Watkin, J.G.

1991-04-05T23:59:59.000Z

309

Liquid metal electric pump  

DOE Patents (OSTI)

An electrical pump for pumping liquid metals to high pressures in high temperature environments without the use of magnets or moving mechanical parts. The pump employs a non-porous solid electrolyte membrane, typically ceramic, specific to the liquid metal to be pumped. A DC voltage is applied across the thickness of the membrane causing ions to form and enter the membrane on the electrically positive surface, with the ions being neutralized on the opposite surface. This action provides pumping of the liquid metal from one side of the non-porous solid electrolyte membrane to the other. 3 figs.

Abbin, J.P.; Andraka, C.E.; Lukens, L.L.; Moreno, J.B.

1992-01-14T23:59:59.000Z

310

Charged Metallic Clusters  

Science Conference Proceedings (OSTI)

Usually in Nuclear Physics the minimum of the liquid drop model (LDM) energy occurs at a mass asymmetry which is different from the minimum of shell correction. Charged metallic clusters are ideal emitters of singly ionized trimers because both LDM and shell correction are reaching a minimum for the same mass asymmetry corresponding to the emission of a charged particle with two delocalized electrons. Maximum dissociation energy (Q-value) is obtained for metallic clusters with high surface tension and low Wigner-Seitz radius (transition metals). The Q-values for spheroidal shapes are much larger than for hemispheroids.

Poenaru, D. N.; Gherghescu, R. A. [Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH), Bucharest-Magurele (Romania); Frankfurt Institute for Advanced Studies, Johann Wolfgang Goethe University, Frankfurt am Main (Germany); Solov'yov, A. V.; Greiner, W. [Frankfurt Institute for Advanced Studies, Johann Wolfgang Goethe University, Frankfurt am Main (Germany)

2009-12-03T23:59:59.000Z

311

INEL metal recycle annual report, FY-94  

SciTech Connect

In 1992, the mission of the Idaho Chemical Processing Plant was changed from reprocessing of spent nuclear fuels to development of technologies for conditioning of spent nuclear fuels and other high-level wastes for disposal in a geologic repository. In addition, the Department of Energy (DOE) directed Idaho National Engineering Laboratory (INEL) to develop a program plan addressing the management of radioactive contaminated scrap metal (RSM) within the DOE complex. Based on discussions with the EM-30 organization, the INEL Metal Recycle program plan was developed to address all issues of RSM management. Major options considered for RSM management were engineered interim storage, land disposal as low-level waste, and beneficial reuse/recycle. From its inception, the Metal Recycle program has emphasized avoidance of storage and disposal costs through beneficial reuse of RSM. The Metal Recycle program plan includes three major activities: Site-by-site inventory of RSM resources; validation of technologies for conversion of RSM to usable products; and identification of parties prepared to participate in development of a RSM recycle business.

Bechtold, T.E. [ed.

1994-09-01T23:59:59.000Z

312

Pantex neighbors get rare chance to see high explosives test...  

National Nuclear Security Administration (NNSA)

Public Affairs NNSA Blog NNSA Blog For homeowners around the Pantex Plant in Amarillo, Texas, occasional shockwaves and loud booms from test explosions are a normal part of life....

313

Divalent metal nanoparticles  

E-Print Network (OSTI)

Metal nanoparticles hold promise for many scientific and technological applications, such as chemical and biological sensors, vehicles for drug delivery, and subdiffraction limit waveguides. To fabricate such devices, a ...

DeVries, Gretchen Anne

2008-01-01T23:59:59.000Z

314

Controlled Metal Photodeposition  

A reliable syntheses of semiconductor-metal heterostructure has been developed to enable application of materials in catalytic, magnetic, and opto-electronic devices, and Iowa State University, The Ames Laboratory's Contractor, is looking for ...

315

Production of magnesium metal  

DOE Patents (OSTI)

A process of producing magnesium metal includes providing magnesium carbonate, and reacting the magnesium carbonate to produce a magnesium-containing compound and carbon dioxide. The magnesium-containing compound is reacted to produce magnesium metal. The carbon dioxide is used as a reactant in a second process. In another embodiment of the process, a magnesium silicate is reacted with a caustic material to produce magnesium hydroxide. The magnesium hydroxide is reacted with a source of carbon dioxide to produce magnesium carbonate. The magnesium carbonate is reacted to produce a magnesium-containing compound and carbon dioxide. The magnesium-containing compound is reacted to produce magnesium metal. The invention also relates to the magnesium metal produced by the processes described herein.

Blencoe, James G. (Harriman, TN); Anovitz, Lawrence M. (Knoxville, TN); Palmer, Donald A. (Oliver Springs, TN); Beard, James S. (Martinsville, VA)

2012-04-10T23:59:59.000Z

316

Metal Matrix Composites II  

Science Conference Proceedings (OSTI)

Oct 29, 2013... of Al-AC8H/Al2O3p Metal Matrix Composites Produced by Stir Casting Route: Anne Zulfia1; Maman Ajiriyanto1; 1University of Indonesia

317

General Light Metals  

Science Conference Proceedings (OSTI)

Mar 3, 2011 ... A detailed literature survey indicates that vacuum sintering is able to produce ... In recent years, there is a high demand for light-weight metals foams. ... Each powder mixture's composition is determined by response surface...

318

Plant immune systems  

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

Plant immune systems Plant immune systems Name: stephanie Status: N/A Age: N/A Location: N/A Country: N/A Date: Around 1993 Question: Do plants have an immune system? How does it work? Are plants able to "fight off" infections such as Dutch Elm disease? Replies: In the broadest sense, an immune system is any method an organism has protect itself from succeeding to another organism's efforts to undermine its health and integrity. In this sense, yes, plants have immune systems. Plants do NOT have "active" immune systems, like humans, including macrophages, lymls, antibodies, complements, interferon, etc., which help us ward off infection. Rather, plants have "passive" mechanisms of protection. For instance, the waxy secretion of some plants (cuticle) functions to help hold in moisture and keep out microorganisms. Plants can also secrete irritating juices that prevent insects and animals from eating it. The thick bark of woody plants is another example of a defensive adaptation, that protects the more delicate tissues inside. The chemical secretions of some plants are downright poisonous to many organisms, which greatly enhance the chances of survival for the plant. Fruits of plants contain large amounts of vitamin C and bioflavonoids, compounds which have been shown in the lab to be anti-bacterial and antiviral. So in these ways, plants can improve their chances of survival. Hundreds of viruses and bacteria attack plants each year, and the cost to agriculture is enormous. I would venture to guess that once an organism establishes an infection in a plant, the plant will not be able to "fight" it. However, exposure to the sun's UV light may help control an infection, possibly even defeat it, but the plant does not have any inherent "active" way to fight the infection

319

Molten metal reactors  

SciTech Connect

A molten metal reactor for converting a carbon material and steam into a gas comprising hydrogen, carbon monoxide, and carbon dioxide is disclosed. The reactor includes an interior crucible having a portion contained within an exterior crucible. The interior crucible includes an inlet and an outlet; the outlet leads to the exterior crucible and may comprise a diffuser. The exterior crucible may contain a molten alkaline metal compound. Contained between the exterior crucible and the interior crucible is at least one baffle.

Bingham, Dennis N; Klingler, Kerry M; Turner, Terry D; Wilding, Bruce M

2013-11-05T23:59:59.000Z

320

Lithium metal reduction of plutonium oxide to produce plutonium metal  

DOE Patents (OSTI)

A method is described for the chemical reduction of plutonium oxides to plutonium metal by the use of pure lithium metal. Lithium metal is used to reduce plutonium oxide to alpha plutonium metal (alpha-Pu). The lithium oxide by-product is reclaimed by sublimation and converted to the chloride salt, and after electrolysis, is removed as lithium metal. Zinc may be used as a solvent metal to improve thermodynamics of the reduction reaction at lower temperatures. Lithium metal reduction enables plutonium oxide reduction without the production of huge quantities of CaO--CaCl.sub.2 residues normally produced in conventional direct oxide reduction processes.

Coops, Melvin S. (Livermore, CA)

1992-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Plant Phenotype Characterization System  

DOE Green Energy (OSTI)

This report is the final scientific report for the DOE Inventions and Innovations Project: Plant Phenotype Characterization System, DE-FG36-04GO14334. The period of performance was September 30, 2004 through July 15, 2005. The project objective is to demonstrate the viability of a new scientific instrument concept for the study of plant root systems. The root systems of plants are thought to be important in plant yield and thus important to DOE goals in renewable energy sources. The scientific study and understanding of plant root systems is hampered by the difficulty in observing root activity and the inadequacy of existing root study instrumentation options. We have demonstrated a high throughput, non-invasive, high resolution technique for visualizing plant root systems in-situ. Our approach is based upon low-energy x-ray radiography and the use of containers and substrates (artificial soil) which are virtually transparent to x-rays. The system allows us to germinate and grow plant specimens in our containers and substrates and to generate x-ray images of the developing root system over time. The same plant can be imaged at different times in its development. The system can be used for root studies in plant physiology, plant morphology, plant breeding, plant functional genomics and plant genotype screening.

Daniel W McDonald; Ronald B Michaels

2005-09-09T23:59:59.000Z

322

Winter study of power plant effects  

Science Conference Proceedings (OSTI)

As a part of DOE's Meteorological Effects of Thermal Energy Releases (METER) program a field study was undertaken at the Bowen Electric Generating Plant (Plant Bowen) in December 1979. The study was a joint endeavor of Battelle Pacific Northwest Laboratories (PNL), Pennsylvania State University (PSU), and Oak Ridge National Laboratory (ORNL) with the main objective of determining the effects of the plant's smokestack effluents on aerosol characteristics and precipitation chemistry. Other objectives included studies of cooling tower temperature and humidity (T/h) plumes and drift drop concentrations. Conducted over a period of three weeks, the study involved an instrumented aircraft, pilot balloons, a tethered balloon system, a dense network of wetfall chemistry collectors and numerous ground- and tower-based meteorological instruments. Rainfall samples collected during the precipitation event of December 13, 1979, revealed some evidence of plume washout. The tethered balloon flights rarely detected the faint presence of the T/h plumes while the airborne measurements program concentrated on the study of SO/sub 2/ to sulfate conversion. A series of plume observations confirmed the suitability of the plant's windset for plume direction determinations.

Patrinos, A.A.N.

1980-10-01T23:59:59.000Z

323

Site Recycles Millions of Pounds of Metal | Department of Energy  

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

Recycles Millions of Pounds of Metal Recycles Millions of Pounds of Metal Site Recycles Millions of Pounds of Metal May 30, 2013 - 12:00pm Addthis The Portsmouth site worked with two regional companies and local law enforcement to arrange transportation of 10 massive synchronous condensers as part of an asset recovery effort. The Portsmouth site worked with two regional companies and local law enforcement to arrange transportation of 10 massive synchronous condensers as part of an asset recovery effort. PIKETON, Ohio - The EM program at the Portsmouth site and its contractor, Fluor-B&W Portsmouth, recycled millions of pounds of metal from the demolition of an electrical switchyard that served the former gaseous diffusion plant. The effort at the Portsmouth site diverted more than 4 million pounds of

324

Site Recycles Millions of Pounds of Metal | Department of Energy  

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

Site Recycles Millions of Pounds of Metal Site Recycles Millions of Pounds of Metal Site Recycles Millions of Pounds of Metal May 30, 2013 - 12:00pm Addthis The Portsmouth site worked with two regional companies and local law enforcement to arrange transportation of 10 massive synchronous condensers as part of an asset recovery effort. The Portsmouth site worked with two regional companies and local law enforcement to arrange transportation of 10 massive synchronous condensers as part of an asset recovery effort. PIKETON, Ohio - The EM program at the Portsmouth site and its contractor, Fluor-B&W Portsmouth, recycled millions of pounds of metal from the demolition of an electrical switchyard that served the former gaseous diffusion plant. The effort at the Portsmouth site diverted more than 4 million pounds of

325

ITP Materials: Development of Materials Resistant to Metal Dustiing Degradation  

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

INDUSTRIAL INDUSTRIAL TECHNOLOGIES PROGRAM Bringing you a prosperous future where energy is clean, abundant, reliable, and affordable Energy Efficiency and Renewable Energy U.S. Department of Energy Degradation of metallic structural compo- nents by metal dusting is a major issue in plants such as those involved in hydrogen production, ammonia synthesis, methanol reforming, and syngas (H 2 /CO mixtures) pro- duction. Metal dusting is also experienced at high temperatures in the oxidizing-carbur- izing environments that are prevalent in the heat-treating industry and in processes that involve direct reduction in the production of iron. While experiments have proved that metal dusting does occur, industries could not develop an approach to combat this problem because of a lack of understanding

326

Contaminated scrap metal management on the Oak Ridge Reservation  

SciTech Connect

Large quantities of scrap metal are accumulating at the various Department of Energy (DOE) installations across the country as a result of ongoing DOE programs and missions in concert with present day waste management practices. DOE Oak Ridge alone is presently storing around 500,000 tons of scrap metal. The local generation rate, currently estimated at 1,400 tons/yr, is expected to increase sharply over the next couple of years as numerous environmental restoration and decommissioning programs gain momentum. Projections show that 775,000 tons of scrap metal could be generated at the K-25 Site over the next ten years. The Y-12 Plant and Oak Ridge National Laboratory (ORNL) have similar potentials. The history of scrap metal management at Oak Ridge and future challenges and opportunities are discussed.

Hayden, H.W.; Stephenson, M.J.; Bailey, J.K.; Weir, J.R. [Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States); Gilbert, W.C. [USDOE Oak Ridge Operations Office, TN (United States)

1993-09-01T23:59:59.000Z

327

The role of rare-earth dopants in nanophase zirconia catalysts for automotive emission control.  

DOE Green Energy (OSTI)

Rare earth (RE) modification of automotive catalysts (e.g., ZrO{sub 2}) for exhaust gas treatment results in outstanding improvement of the structural stability, catalytic functions and resistance to sintering at high temperatures. Owing to the low redox potential of nonstoichiometric CeO{sub 2}, oxygen release and intake associated with the conversion between the 3+ and 4+ oxidation states of the Ce ions in Ce-doped ZrO{sub 2} provide the oxygen storage capacity that is essentially to effective catalytic functions under dynamic air-to-fuel ratio cycling. Doping tripositive RE ions such as La and Nd in ZrO{sub 2}, on the other hand, introduces oxygen vacancies that affect the electronic and ionic conductivity. These effects, in conjunction with the nanostructure and surface reactivity of the fine powders, present a challenging problem in the development of better ZrO{sub 2}-containing three-way catalysts. We have carried out in-situ small-to-wide angle neutron diffraction at high temperatures and under controlled atmospheres to study the structural phase transitions, sintering behavior, and Ce{sup 3+} {leftrightarrow} Ce{sup 4+} redox process. We found substantial effects due to RE doping on the nature of aggregation of nanoparticles, defect formation, crystal phase transformation, and metal-support interaction in ZrO{sub 2} catalysts for automotive emission control.

Loong, C.-K.; Ozawa, M.

1999-07-16T23:59:59.000Z

328

Market Impacts of Rare Earth Element Use in Solid Oxide Fuel Cells  

E-Print Network (OSTI)

Contract Number: DE-FE0004002 (Subcontract: S013-JTH-PPM4002 MOD 00) Summary Rare earth elements (REEs) are critical to the function and performance of solid oxide fuel cells (SOFCs) 1. Given the concentration of commercially minable REE deposits and production in China (and especially given recent tightening of its export quota), the US Department of Energy is interested in understanding how REE demand for SOFC applications could impact REE markets and vice versa. Yttria (yttrium oxide), lanthanum oxide, and ceria (cerium oxide) are important materials in the ceramic cells that form the core of any solid oxide fuel cell, imparting on the functional layers of the cells ionic conductivity, electronic conductivity, and/or structural strength. Gadolinium, scandium, and samarium are also used in some SOFC designs. The amounts of REEs contained in state-of-the-art SOFC are modest, and represent less than 5% of annual production (Table 1). Spent SOFC stacks and production waste will likely be recycled for their metal and REE content, which would reduce REE demand for stack replacements by

J. Thijssen Llc

2010-01-01T23:59:59.000Z

329

Chlorine and Plants  

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

Chlorine and Plants Name: Paul Location: NA Country: NA Date: NA Question: Is too Much chlorine going to kill or harm plants? I couldn't find information anywhere but I found...

330

Chlorine and Plants  

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

Chlorine and Plants Name: james Location: NA Country: NA Date: NA Question: I am doing project on the effects of chlorine on plant growth and i cant find any info. If you could...

331

PLANT BIOLOGY DEPARTMENT HANDBOOK  

E-Print Network (OSTI)

PLANT BIOLOGY DEPARTMENT HANDBOOK 2012-2013 University of Georgia Athens, GA 30602 Updated: 9/5/12 #12;Plant Biology Handbook Table of Contents General Information and Operating Procedures 1

Arnold, Jonathan

332

Plants producing DHA  

Science Conference Proceedings (OSTI)

CSIRO researchers published results in November 2012 showing that the long-chain n-3 fatty acid docosahexaenoic acid (DHA) can be produced in land plants in commercially valuable quantities. Plants producing DHA inform Magazine algae algal AOCS bi

333

Oil and Plants  

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

Oil and Plants Name: Matt Location: NA Country: NA Date: NA Question: If you could please tell me exactly what motor oil (unused) does to plants, and the effects. Does it...

334

Paste Plant Operations  

Science Conference Proceedings (OSTI)

Mar 5, 2013 ... It now provides data extraction features that aggregate system ... DUBAL Carbon Plant management team defined and implemented a 3-year strategic ... how to best approach Paste Plant operating and maintenance activities.

335

Plants and Dirt Compaction  

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

Dirt Compaction Name: Conor Location: NA Country: NA Date: NA Question: When growing corn and soybean plants does the compaction of dirt effect the growth of the plant? Replies:...

336

Light Wavelength and Plants  

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

Light Wavelength and Plants Name: John Location: NA Country: NA Date: NA Question: I just was wandering whether plants grow better in artificial light or in sunlight. I am...

337

Plant centromere compositions  

DOE Patents (OSTI)

The present invention provides for the nucleic acid sequences of plant centromeres. This will permit construction of stably inherited recombinant DNA constructs and minichromosomes which can serve as vectors for the construction of transgenic plant and animal cells.

Mach, Jennifer (Chicago, IL); Zieler, Helge (Chicago, IL); Jin, James (Chicago, IL); Keith, Kevin (Chicago, IL); Copenhaver, Gregory (Chapel Hill, NC); Preuss, Daphne (Chicago, IL)

2006-06-26T23:59:59.000Z

338

Plant centromere compositions  

DOE Patents (OSTI)

The present invention provides for the nucleic acid sequences of plant centromeres. This will permit construction of stably inherited recombinant DNA constructs and minichromosomes which can serve as vectors for the construction of transgenic plant and animal cells.

Mach, Jennifer (Chicago, IL); Zieler, Helge (Chicago, IL); Jin, James (Chicago, IL); Keith, Kevin (Chicago, IL); Copenhaver, Gregory (Chapel Hill, NC); Preuss, Daphne (Chicago, IL)

2007-06-05T23:59:59.000Z

339

Plant centromere compositions  

DOE Patents (OSTI)

The present invention provides for the nucleic acid sequences of plant centromeres. This will permit construction of stably inherited recombinant DNA constructs and minichromosomes which can serve as vectors for the construction of transgenic plant and animal cells.

Mach, Jennifer M. (Chicago, IL); Zieler, Helge (Del Mar, CA); Jin, RongGuan (Chesterfield, MO); Keith, Kevin (Three Forks, MT); Copenhaver, Gregory P. (Chapel Hill, NC); Preuss, Daphne (Chicago, IL)

2011-08-02T23:59:59.000Z

340

Plant centromere compositions  

Science Conference Proceedings (OSTI)

The present invention provides for the nucleic acid sequences of plant centromeres. This will permit construction of stably inherited recombinant DNA constructs and minichromosomes which can serve as vectors for the construction of transgenic plant and animal cells.

Mach; Jennifer M. (Chicago, IL), Zieler; Helge (Del Mar, CA), Jin; RongGuan (Chesterfield, MO), Keith; Kevin (Three Forks, MT), Copenhaver; Gregory P. (Chapel Hill, NC), Preuss; Daphne (Chicago, IL)

2011-11-22T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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.


341

Plants & Animals  

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

Plants & Animals Plants & Animals Plants & Animals Plant and animal monitoring is performed to determine whether Laboratory operations are impacting human health via the food chain. April 12, 2012 A rabbit on LANL land. A rabbit on LANL land. Contact Environmental Communication & Public Involvement P.O. Box 1663 MS M996 Los Alamos, NM 87545 (505) 667-0216 Email We sample many plants and animals, including wild and domestic crops, game animals, fish, and food products from animals, as well as other plants and animals not considered food sources. What plants and animals do we monitor? LANL monitors both edible and non-edible plants and animals to determine whether Laboratory operations are impacting human health via the food chain, or to find contaminants that indicate they are being moved in the

342

Search for the Rare Leptonic Decays B^+ \\to l^+ \  

SciTech Connect

We have performed a search for the rare leptonic decays B{sup +} {yields} {ell}{sup +} {nu}{sub {ell}}({ell} = e,{mu}), using data collected at the ?(4S) resonance by the BABAR detector at the PEP-II storage ring. In a sample of 468 x 10{sup 6} B{bar B} pairs we find no evidence for a signal and set an upper limit on the branching fractions B(B{sup +} {yields} e{sup +}{nu}{sub e}) < 1.9 x 10{sup -6} at the 90% confidence level, using a Bayesian approach.

Aubert, B.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Prencipe, E.; Prudent, X.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Martinelli, M.; Palano, A.; Pappagallo, M.; /INFN, Bari /Bari U.; Eigen, G.; Stugu, B.; Sun, L.; /Bergen U.; Battaglia, M.; Brown, D.N.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G.; Osipenkov, I.L.; /LBL, Berkeley /UC, Berkeley /Birmingham U. /Ruhr U., Bochum /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UCLA /UC, Riverside /UC, San Diego /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /Frascati /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /Harvard U. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa U. /Iowa State U. /Johns Hopkins U. /Orsay, LAL /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U. /Maryland U. /Massachusetts U., Amherst /MIT, LNS /McGill U. /INFN, Milan /Milan U. /INFN, Milan /INFN, Milan /Milan U. /Mississippi U. /Montreal U. /Mt. Holyoke Coll. /INFN, Naples /Naples U. /INFN, Naples /INFN, Naples /Naples U. /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /INFN, Padua /Padua U. /INFN, Padua /INFN, Padua /Padua U. /Paris U., VI-VII /Pennsylvania U. /INFN, Perugia /Perugia U. /INFN, Pisa /Pisa U. /INFN, Pisa /Pisa, Scuola Normale Superiore /INFN, Pisa /Pisa U. /INFN, Pisa /Princeton U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /Rostock U. /Rutherford /DSM, DAPNIA, Saclay /SLAC /South Carolina U. /Stanford U., Phys. Dept. /SUNY, Albany /Tennessee U. /Texas U. /Texas U., Dallas /INFN, Turin /Turin U. /INFN, Trieste /Trieste U. /Valencia U., IFIC /Victoria U. /Warwick U. /Wisconsin U., Madison

2009-06-19T23:59:59.000Z

343

Predicting rare events in chemical reactions: the Kramers approach  

E-Print Network (OSTI)

In a well-stirred system undergoing chemical reactions, fluctuations in the reaction propensities are approximately captured by the corresponding chemical Langevin equation. Within this context, we discuss in this work how the Kramers escape theory can be used to predict rare events in chemical reactions. As an example, we apply our approach to a recently proposed model on cell proliferation with relevance to skin cancer [P.B. Warren, Phys. Rev. E {\\bf 80}, 030903 (2009)]. In particular, we provide an analytical explanation for the form of the exponential exponent observed in the onset rate of uncontrolled cell proliferation.

Lee, Chiu Fan

2010-01-01T23:59:59.000Z

344

Resonance electronic Raman scattering in rare earth crystals  

Science Conference Proceedings (OSTI)

The intensities of Raman scattering transitions between electronic energy levels of trivalent rare earth ions doped into transparent crystals were measured and compared to theory. A particle emphasis was placed on the examination of the effect of intermediate state resonances on the Raman scattering intensities. Two specific systems were studied: Ce/sup 3 +/(4f/sup 1/) in single crystals of LuPO/sub 4/ and Er/sup 3 +/(4f/sup 11/) in single crystals of ErPO/sub 4/. 134 refs., 92 figs., 33 tabs.

Williams, G.M.

1988-11-10T23:59:59.000Z

345

New baseload power plants  

Science Conference Proceedings (OSTI)

This is a tabulation of the results of this magazines survey of current plans for new baseload power plants. The table lists the unit name, capacity, fuel, engineering firm, constructor, suppliers for steam generator, turbine generator and flue gas desulfurization equipment, date due on-line, and any non-utility participants. The table includes fossil-fuel plants, nuclear plants, geothermal, biomass and hydroelectric plants.

Not Available

1993-04-01T23:59:59.000Z

346

Cooling Plant Optimization Guide  

Science Conference Proceedings (OSTI)

Central cooling plants or district cooling systems account for 22 percent of energy costs for cooling commercial buildings. Improving the efficiency of central cooling plants will significantly impact peak demand and energy usage for both building owners and utilities. This guide identifies opportunities for optimizing a central cooling plant and provides a simplified optimization procedure. The guide focuses on plant optimization from the standpoint of minimizing energy costs and maximizing efficiencies...

1998-09-29T23:59:59.000Z

347

Method for forming metal contacts  

DOE Patents (OSTI)

Methods of forming metal contacts with metal inks in the manufacture of photovoltaic devices are disclosed. The metal inks are selectively deposited on semiconductor coatings by inkjet and aerosol apparatus. The composite is heated to selective temperatures where the metal inks burn through the coating to form an electrical contact with the semiconductor. Metal layers are then deposited on the electrical contacts by light induced or light assisted plating.

Reddington, Erik; Sutter, Thomas C; Bu, Lujia; Cannon, Alexandra; Habas, Susan E; Curtis, Calvin J; Miedaner, Alexander; Ginley, David S; Van Hest, Marinus Franciscus Antonius Maria

2013-09-17T23:59:59.000Z

348

Liquid metal thermal electric converter  

DOE Patents (OSTI)

A liquid metal thermal electric converter which converts heat energy to electrical energy. The design of the liquid metal thermal electric converter incorporates a unique configuration which directs the metal fluid pressure to the outside of the tube which results in the structural loads in the tube to be compressive. A liquid metal thermal electric converter refluxing boiler with series connection of tubes and a multiple cell liquid metal thermal electric converter are also provided.

Abbin, Joseph P. (Albuquerque, NM); Andraka, Charles E. (Albuquerque, NM); Lukens, Laurance L. (Albuquerque, NM); Moreno, James B. (Albuquerque, NM)

1989-01-01T23:59:59.000Z

349

Perspective---Cognitive Reactions to Rare Events: Perceptions, Uncertainty, and Learning  

Science Conference Proceedings (OSTI)

Research provides some observations about learning from events that appear to be rare or quite unusual. All learning has uncertain consequences, but learning from rare events is especially problematic. Learners see many idiosyncrasies and exogenous interference, ... Keywords: learning, rare events, reliable data, uncertainty

William H. Starbuck

2009-09-01T23:59:59.000Z

350

Plant design: Integrating Plant and Equipment Models  

Science Conference Proceedings (OSTI)

Like power plant engineers, process plant engineers must design generating units to operate efficiently, cleanly, and profitably despite fluctuating costs for raw materials and fuels. To do so, they increasingly create virtual plants to enable evaluation of design concepts without the expense of building pilot-scale or demonstration facilities. Existing computational models describe an entire plant either as a network of simplified equipment models or as a single, very detailed equipment model. The Advanced Process Engineering Co-Simulator (APECS) project (Figure 5) sponsored by the U.S. Department of Energy's National Energy Technology Laboratory (NETL) seeks to bridge the gap between models by integrating plant modeling and equipment modeling software. The goal of the effort is to provide greater insight into the performance of proposed plant designs. The software integration was done using the process-industry standard CAPE-OPEN (Computer Aided Process EngineeringOpen), or CO interface. Several demonstration cases based on operating power plants confirm the viability of this co-simulation approach.

Sloan, David (Alstrom Power); Fiveland, Woody (Alstrom Power); Zitney, S.E.; Osawe, Maxwell (Ansys, Inc.)

2007-08-01T23:59:59.000Z

351

NUCLEAR PLANT OPERATIONS AND  

E-Print Network (OSTI)

reactor Unit 4 of the Ringhals Nuclear Power Plant (Sweden) during fuel cycle 16 is analyzed--has been benchmarked against measurements.30 At the Ringhals nuclear power plant, this measurement is car a measurement performed at the PWR Unit 4 of the Ring hals Nuclear Power Plant was available to us

Demazière, Christophe

352

NUCLEAR PLANT OPERATIONS AND  

E-Print Network (OSTI)

reactor Unit 4 of the Ringhals Nuclear Power Plant (Sweden) during fuel cycle 16 is analyzed reactivity effects--has been benchmarked against measurements.30 At the Ringhals nuclear power plant a measurement performed at the PWR Unit 4 of the Ring- hals Nuclear Power Plant was available to us

Demazière, Christophe

353

Decisions decisions plant vessels  

Science Conference Proceedings (OSTI)

This paper describes concepts for a family of plant vessels that help users make decisions or reach goals. The concepts use plants to mark time or answer questions for the user, creating a connection between the user and the individual plant. These concepts ...

Jenny Liang

2007-08-01T23:59:59.000Z

354

Power Plant Cycling Costs  

Science Conference Proceedings (OSTI)

This report provides a detailed review of the most up to date data available on power plant cycling costs. The primary objective of this report is to increase awareness of power plant cycling cost, the use of these costs in renewable integration studies and to stimulate debate between policymakers, system dispatchers, plant personnel and power utilities.

Kumar, N.; Besuner, P.; Lefton, S.; Agan, D.; Hilleman, D.

2012-07-01T23:59:59.000Z

355

Advanced Manufacturing Office: Better Plants  

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

Better Plants on Twitter Bookmark Advanced Manufacturing Office: Better Plants on Google Bookmark Advanced Manufacturing Office: Better Plants on Delicious Rank Advanced...

356

Rational Design of Metal Ion Sequestering Agents  

DOE Green Energy (OSTI)

The discriminate bonding of metal ions is a challenge to the synthetic chemist and a phenomenon of considerable practical importance.1 An important feature of many technical applications is the specific or preferential binding of a single metal ion in the presence of many metals. Examples range from large-volume uses (e.g. ferric EDTA as a plant food, calcium complexing agents as water softeners or anticaking formulations) to very high technology applications (technetium complexation in radiopharmaceuticals, synthetic metalloenzymes). We are interested in efficient and discriminate binding of actinides for waste stream remediation. Actinides represent a major and long-lived contaminant in nuclear waste. While the separation of actinides from other radioactive components of waste, such as Sr and Cs, is relatively well established, the separation of actinides from each other and in complex solutions (e.g. those found in tank wastes) is not as well resolved. The challenge of designing metal-specific (actinide) ligands is facilitated by examples from nature. Bacteria synthesize Fe(III)-specific ligands, called siderophores, to sequester Fe(III) from the environment and return it to the cell. The similarities between Fe(III) and Pu(IV) (their charge-to-size ratios and acidity), make the siderophores prototypical for designing actinide-specific ligands. The chelating groups present in siderophores are usually hydroxamic acids and catecholamides. We have developed derivatives of these natural products which have improved properties. The catechol derivatives are the 2,3-dihydroxyterephthalamides (TAMs), and 3,4-dihydroxysulfonamides (SFAMs), and the hydroxamic acid derivatives are three isomers of hydroxypyridinones, 1,2- HOPO, 3,2-HOPO, and 3,4-HOPO. All of these ligands are attached to molecular backbones by amides and a very important feature of HOPO and CAM ligands is a strong hydrogen bonds formed between the amide proton and the adjacent phenolic oxygen in the metal complex, thereby enhancing the stability (Figure 1).

Raymond, Kenneth N.

2000-09-30T23:59:59.000Z

357

ARM facility captures rare tornado data [EVS News]  

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

ARM facility captures rare tornado data ARM facility captures rare tornado data June 13, 2013 Every spring, tornadoes thunder across five states, from Kansas to Texas, and alerts are common. However, by Monday, May 20, it was clear that this time the alert had a different urgency to it. The turn of events leading up to the EF-5 tornado that wreaked havoc in Moore, Oklahoma, provided a unique opportunity for scientists to sample the environment preceding a severe weather event. Read more about how EVS scientist, Donna Holdridge, supported the ARM program in the full article. Raw data from the additional radiosonde launches preceding the severe weather events of May 20 in Oklahoma. The blue line identifies the temperature, which decreases with increasing altitude. The red line is the dew point, the temperature at which the air is 100% saturated with its water vapor content. Where the dew point approaches the actual temperature, the air is nearing 100% relative humidity near the ground-ideal conditions for tornado events.

358

Precise trace rare earth analysis by radiochemical neutron activation  

Science Conference Proceedings (OSTI)

A rare earth group separation scheme followed by normal Ge(Li), low energy photon detector (LEPD), and Ge(Li)-NaI(Tl) coincidence-noncoincidence spectrometry significantly enhances the detection sensitivity of individual rare earth elements (REE) at or below the ppB level. Based on the selected ..gamma..-ray energies, normal Ge(Li) counting is favored for /sup 140/La, /sup 170/Tb, and /sup 169/Yb; LEPD is favored for low ..gamma..-ray energies of /sup 147/Nd, /sup 153/Sm, /sup 166/Ho, and /sup 169/Yb; and noncoincidence counting is favored for /sup 141/Ce, /sup 143/Ce, /sup 142/Pr, /sup 153/Sm, /sup 171/Er, and /sup 175/Yb. The detection of radionuclides /sup 152m/Eu, /sup 159/Gd, and /sup 177/Lu is equally sensitive by normal Ge(Li) and noncoincidence counting; /sup 152/Eu is equally sensitive by LEPD and normal Ge(Li); and /sup 153/Gd and /sup 170/Tm is equally favored by all the counting modes. Overall, noncoincidence counting is favored for most of the REE. Precise measurements of the REE were made in geological and biological standards.

Laul, J.C.; Lepel, E.A.; Weimer, W.C.; Wogman, N.A.

1981-06-01T23:59:59.000Z

359

Sequential Importance Sampling for Rare Event Estimation with Computer Experiments  

SciTech Connect

Importance sampling often drastically improves the variance of percentile and quantile estimators of rare events. We propose a sequential strategy for iterative refinement of importance distributions for sampling uncertain inputs to a computer model to estimate quantiles of model output or the probability that the model output exceeds a fixed or random threshold. A framework is introduced for updating a model surrogate to maximize its predictive capability for rare event estimation with sequential importance sampling. Examples of the proposed methodology involving materials strength and nuclear reactor applications will be presented. The conclusions are: (1) Importance sampling improves UQ of percentile and quantile estimates relative to brute force approach; (2) Benefits of importance sampling increase as percentiles become more extreme; (3) Iterative refinement improves importance distributions in relatively few iterations; (4) Surrogates are necessary for slow running codes; (5) Sequential design improves surrogate quality in region of parameter space indicated by importance distributions; and (6) Importance distributions and VRFs stabilize quickly, while quantile estimates may converge slowly.

Williams, Brian J. [Los Alamos National Laboratory; Picard, Richard R. [Los Alamos National Laboratory

2012-06-25T23:59:59.000Z

360

Method for locating metallic nitride inclusions in metallic alloy ingots  

DOE Patents (OSTI)

A method of determining the location and history of metallic nitride and/or oxynitride inclusions in metallic melts. The method includes the steps of labeling metallic nitride and/or oxynitride inclusions by making a coreduced metallic-hafnium sponge from a mixture of hafnium chloride and the chloride of a metal, reducing the mixed chlorides with magnesium, nitriding the hafnium-labeled metallic-hafnium sponge, and seeding the sponge to be melted with hafnium-labeled nitride inclusions. The ingots are neutron activated and the hafnium is located by radiometric means. Hafnium possesses exactly the proper metallurgical and radiochemical properties for this use.

White, Jack C. (Albany, OR); Traut, Davis E. (Corvallis, OR); Oden, Laurance L. (Albany, OR); Schmitt, Roman A. (Corvallis, OR)

1992-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

prairie plant list  

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

List of Native Prairie Plant Illustrations List of Native Prairie Plant Illustrations Select the common name of the plant you want to view. Common Name Scientific Name Grasses BIG BLUESTEM Andropogon gerardii INDIAN GRASS Sorghastrum nutans LITTLE BLUESTEM Andropogon scoparius SWITCH GRASS Panicum virgatum CORD GRASS Spartina pectinata NEEDLEGRASS Stipa spartea PRAIRIE DROPSEED Sporobolus pectinata SIDE-OATS GRAMA Bouteloua curtipendula FORBS ROSINWEED Silphium integrifolium SAW-TOOTHED SUNFLOWER Helianthus grossesserratus WILD BERGAMOT Monarda fistulosa YELLOW CONEFLOWER Ratibida pinnata BLACK-EYED SUSAN Rudbeckia hirta COMPASS PLANT Silphium lactiniatum CUP PLANT Silphium perfoliatum NEW ENGLAND ASTER Aster novae-angilae PRAIRIE DOCK Silphium terebinthinaceum RATTLESNAKE MASTER Eryngium yuccifolium STIFF GOLDENROD Solidaga rigida

362

LEVELING METAL COATINGS  

DOE Patents (OSTI)

A method is described for applying metallic coatings to a cylinder of uranium. An aluminum-silicon coat is applied by a process consisting of first cleaning the article by immersion for 5 minutes in 50% nitric acid at 65 C. The article then is dipped through a flux, prepared by adding 10% sodium fluoride to 90% of a flux comprising 53% potassium chloride, 42% lithium chloride, and 5% sodium chloride at 560 for 2 minutes and then directly into a molten metal bath comprising 99% aluminun and 12% silicon at 620 C for 3 minutes. While the coating is yet molten the article is transferred to a pair of steel rollers and rolled until the coating solidifies. By varying the composition of the flux other metals such as zinc, lead or the like may be coated on uranium in a similar manner.

Gage, H.A.

1959-02-10T23:59:59.000Z

363

Metal Organic Framework Research: High Throughput Discovery of Robust Metal Organic Framework for CO2 Capture  

Science Conference Proceedings (OSTI)

IMPACCT Project: LBNL is developing a method for identifying the best metal organic frameworks for use in capturing CO2 from the flue gas of coal-fired power plants. Metal organic frameworks are porous, crystalline compounds that, based on their chemical structure, vary considerably in terms of their capacity to grab hold of passing CO2 molecules and their ability to withstand the harsh conditions found in the gas exhaust of coal-fired power plants. Owing primarily to their high tunability, metal organic frameworks can have an incredibly wide range of different chemical and physical properties, so identifying the best to use for CO2 capture and storage can be a difficult task. LBNL uses high-throughput instrumentation to analyze nearly 100 materials at a time, screening them for the characteristics that optimize their ability to selectively adsorb CO2 from coal exhaust. Their work will identify the most promising frameworks and accelerate their large-scale commercial development to benefit further research into reducing the cost of CO2 capture and storage.

None

2010-08-01T23:59:59.000Z

364

Metallic carbon materials  

DOE Patents (OSTI)

Novel metallic forms of planar carbon are described, as well as methods of designing and making them. Nonhexagonal arrangements of carbon are introduced into a graphite carbon network essentially without destroying the planar structure. Specifically a form of carbon comprising primarily pentagons and heptagons, and having a large density of states at the Fermi level is described. Other arrangements of pentagons and heptagons that include some hexagons, and structures incorporating squares and octagons are additionally disclosed. Reducing the bond angle symmetry associated with a hexagonal arrangement of carbons increases the likelihood that the carbon material will have a metallic electron structure.

Cohen, Marvin Lou (Berkeley, CA); Crespi, Vincent Henry (Darien, IL); Louie, Steven Gwon Sheng (Berkeley, CA); Zettl, Alexander Karlwalter (Kensington, CA)

1999-01-01T23:59:59.000Z

365

Metal alloy identifier  

DOE Patents (OSTI)

To identify the composition of a metal alloy, sparks generated from the alloy are optically observed and spectrographically analyzed. The spectrographic data, in the form of a full-spectrum plot of intensity versus wavelength, provide the "signature" of the metal alloy. This signature can be compared with similar plots for alloys of known composition to establish the unknown composition by a positive match with a known alloy. An alternative method is to form intensity ratios for pairs of predetermined wavelengths within the observed spectrum and to then compare the values of such ratios with similar values for known alloy compositions, thereby to positively identify the unknown alloy composition.

Riley, William D. (Avondale, MD); Brown, Jr., Robert D. (Avondale, MD)

1987-01-01T23:59:59.000Z

366

Catalysis Without Precious Metals  

Science Conference Proceedings (OSTI)

Written for chemists in industry and academia, this ready reference and handbook summarizes recent progress in the development of new catalysts that do not require precious metals. The research thus presented points the way to how new catalysts may ultimately supplant the use of precious metals in some types of reactions, while highlighting the remaining challenges. This material is based upon work supported as part of the Center for Molecular Electrocatalysis, an Energy Frontier Research Center funded by the US Department of Energy, Office of Science, Office of Basic Energy Sciences.

Bullock, R. Morris

2010-11-01T23:59:59.000Z

367

Pinellas Plant facts. [Products, processes, laboratory facilities  

SciTech Connect

This plant was built in 1956 in response to a need for the manufacture of neutron generators, a principal component in nuclear weapons. The neutron generators consist of a miniaturized linear ion accelerator assembled with the pulsed electrical power supplies required for its operation. The ion accelerator, or neutron tube, requires ultra clean, high vacuum technology: hermetic seals between glass, ceramic, glass-ceramic, and metal materials: plus high voltage generation and measurement technology. The existence of these capabilities at the Pinellas Plant has led directly to the assignment of the lightning arrester connector, specialty capacitor, vacuum switch, and crystal resonator. Active and reserve batteries and the radioisotopically-powered thermoelectric generator draw on the materials measurement and controls technologies which are required to ensure neutron generator life. A product development and production capability in alumina ceramics, cermet (electrical) feedthroughs, and glass ceramics has become a specialty of the plant; the laboratories monitor the materials and processes used by the plant's commercial suppliers of ferroelectric ceramics. In addition to the manufacturing facility, a production development capability is maintained at the Pinellas Plant.

1986-09-01T23:59:59.000Z

368

Grant Helps Make U.S. Rare Earth Magnets More Common | Department of Energy  

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

Grant Helps Make U.S. Rare Earth Magnets More Common Grant Helps Make U.S. Rare Earth Magnets More Common Grant Helps Make U.S. Rare Earth Magnets More Common August 6, 2010 - 12:12pm Addthis With sintered rare earth magnets a $4 billion worldwide market, the U.S. could be a bigger producer of these magnets - which are not actually rare - and are used in hybrid vehicle motors and wind turbine generators. | Illustration Courtesy of of Electron Energy Corporation | With sintered rare earth magnets a $4 billion worldwide market, the U.S. could be a bigger producer of these magnets - which are not actually rare - and are used in hybrid vehicle motors and wind turbine generators. | Illustration Courtesy of of Electron Energy Corporation | Kevin Craft Electron Energy Corporation is one of a kind. According to Peter Dent, vice president of business development for the

369

Grant Helps Make U.S. Rare Earth Magnets More Common | Department of Energy  

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

Grant Helps Make U.S. Rare Earth Magnets More Common Grant Helps Make U.S. Rare Earth Magnets More Common Grant Helps Make U.S. Rare Earth Magnets More Common August 6, 2010 - 12:12pm Addthis With sintered rare earth magnets a $4 billion worldwide market, the U.S. could be a bigger producer of these magnets - which are not actually rare - and are used in hybrid vehicle motors and wind turbine generators. | Illustration Courtesy of of Electron Energy Corporation | With sintered rare earth magnets a $4 billion worldwide market, the U.S. could be a bigger producer of these magnets - which are not actually rare - and are used in hybrid vehicle motors and wind turbine generators. | Illustration Courtesy of of Electron Energy Corporation | Kevin Craft Electron Energy Corporation is one of a kind. According to Peter Dent, vice president of business development for the

370

Serpentine metal gasket  

DOE Patents (OSTI)

A metallic seal or gasket for use in the joining of cryogenic fluid conduits, the seal or gasket having a generally planar and serpentine periphery defining a central aperture. According to a preferred embodiment, the periphery has at least two opposing elongated serpentine sides and two opposing arcuate ends joining the opposing elongated serpentine sides and is of a hexagonal cross-section.

Rothgeb, Timothy Moore (Norfolk, VA); Reece, Charles Edwin (Yorktown, VA)

2009-06-02T23:59:59.000Z

371

Metal halogen electrochemical cell  

DOE Patents (OSTI)

It has now been discovered that reduction in the coulombic efficiency of metal halogen cells can be minimized if the microporous separator employed in such cells is selected from one which is preferably wet by the aqueous electrolyte and is not wet substantially by the cathodic halogen.

Bellows, Richard J. (Hampton, NJ); Kantner, Edward (E. Brunswick, NJ)

1988-08-23T23:59:59.000Z

372

Weld Metal Metallurgical Handbook  

Science Conference Proceedings (OSTI)

This report is part of an ongoing series of metallurgical handbooks that are being developed for utility engineers to use in assessing metallurgical characteristics of any given alloy. This report focuses specifically on the weld metal metallurgical characteristics of carbon, low-alloy martensitic, and austenitic stainless steel welds.

2009-03-31T23:59:59.000Z

373

Ductile transplutonium metal alloys  

DOE Patents (OSTI)

Alloys of Ce with transplutonium metals such as Am, Cm, Bk and Cf have properties making them highly suitable as souces of the transplutonium element, e.g., for use in radiation detector technology or as radiation sources. The alloys are ductile, homogeneous, easy to prepare and have a fairly high density.

Conner, W.V.

1981-10-09T23:59:59.000Z

374

STRIPPING METAL COATINGS  

DOE Patents (OSTI)

A method is described for removing aluminumuranium-silicon alloy bonded to metallic U comprising subjecting the Al-U -Si alloy to treatment with hot concentrated HNO/sun 3/ to partially dissolve and embrittle the alloy and shot- blasting the embrittled alloy to loosen it from the U.

Siefen, H.T.; Campbell, J.M.

1959-02-01T23:59:59.000Z

375

Public to have rare opportunity to tour Neutron Science Center  

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

Rosenfest: celebrate Louis Rosen, tour LANSCE Rosenfest: celebrate Louis Rosen, tour LANSCE Public to have rare opportunity to tour Neutron Science Center Tour attendees can expect to see many facets of the LANSCE, including areas along the linear accelerator beam line, the control room area, and one or more experimental areas. May 10, 2011 Aerial View of Neutron Science Center Aerial View of Neutron Science Center Contact James Rickman Communicatons Office (505) 665-9203 Email LANL Rosenfest will celebrate life of LANSCE founder Louis Rosen and offer tour LOS ALAMOS, New Mexico, May 10, 2011-Members of the public will have an unusual opportunity to tour the Los Alamos Neutron Science Center from 1 to 5 p.m. on Friday, May 20, 2011, as part of Rosenfest, a celebration of LANSCE founder Louis Rosen and the remarkable facility he conceived. In

376

Microsoft Word - Rare Earth Update for RFI 110523final  

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

J. Thijssen, LLC P: 206 229 6882 J. Thijssen, LLC P: 206 229 6882 4910 163 rd Ave NE Redmond, WA 98052 e: jant@jthijssen.com Solid Oxide Fuel Cells and Critical Materials: A Review of Implications J. Thijssen, LLC Report Number: R102 06 04D1 Date: May 10, 2011 Prepared for: National Energy Technology Laboratory, In Sub-Contract to Leonardo Technologies, Inc. Contract Number: DE-FE0004002 (Subcontract: S013-JTH-PPM4002 MOD 00) 2 Summary The US DOE has identified a number of materials that are both used by clean energy technologies and are at risk of supply disruptions in the short term. Several of these materials, especially the rare earth elements (REEs) yttrium, cerium, and lanthanum were identified by DOE as critical (USDOE 2010) and are crucial to the function and performance of solid oxide

377

SEPARATION OF TRANSURANIC ELEMENTS FROM RARE EARTH COMPOUNDS  

DOE Patents (OSTI)

A process of separating neptunium and plutonium values from rare earths and alkaline earth fission products present on a solid mixed actinide carrier (Th or U(IV) oxalate or fluoride) --fission product carrier (LaF/sub 3/, CeF/sub 3/, SrF/sub 2/, CaF/sub 2/, YF/sub 3/, La oxalate, cerous oxalate, Sr oxalate, Ca oxalate or Y oxalate) by extraction of the actinides at elevated temperature with a solution of ammonium fluoride and/or ammonium oxalate is described. Separation of the fission-product-containing carriers from the actinide solution formed and precipitation of the neptunium and plutonium from the solution with mineral acid are also accomplished. (AEC)

Kohman, T.P.

1961-11-21T23:59:59.000Z

378

Cryogenic distribution for the Facility for Rare Isotope Beams  

SciTech Connect

The Facility for Rare Isotope Beams (FRIB) is a new National User Facility for nuclear science funded by the Department of Energy Office of Science and operated by Michigan State University. The FRIB accelerator linac consists of superconducting radio-frequency (SCRF) cavities operating at 2 K and SC magnets operating at 4.5 K all cooled by a large scale cryogenic refrigeration system. A major subsystem of the cryogenic system will be the distribution system whose primary components will include a distribution box, the transfer lines and the interconnect valve boxes at each cryogenic device. An overview of the conceptual design of the distribution system including engineering details, capabilities and schedule is described.

S. Jones, Dana Arenius, Adam Fila, P. Geutschow, Helmut Laumer, Matt Johnson, Cory S. Waltz, J. G. Weisend II

2012-06-01T23:59:59.000Z

379

Functional Metal Phosphonates  

E-Print Network (OSTI)

The primary goal of the work described in this dissertation was the incorporation of functionality into metal phosphonates. This was done in one of several ways. The first involved using phosphonate ligands that had covalently attached organic functional groups. In some cases, these ligands undergo reactions during the solvothermal syntheses which can impart new chemical reactivity. Another method used to introduce functionality was to partially or completely substitute metal atoms within phosphonate clusters to create materials which may have interesting magnetic properties. By controlling the way these clusters pack in the solids, their magnetic properties may be able to be augmented. The final method used to impart functionality to metal phosphonates was the incorporation of N-donor and bulky aryl groups into the phosphonate ligands. These influences caused structural variations which exposed potentially active sites within the materials, including both Lewis acidic and basic sites, as well as Bronsted acid sites. The first strategy was employed in the design of tetravalent metal phosphonates which have covalently incorporated bipyridine moieties. The materials are porous so that the bipyridine sites can chelate Pd atoms from solution, which can then be reduced to stable nanoparticles trapped within the phosphonate matrix. This approach was also used in the synthesis of surface-functionalized divalent metal phosphonates which exhibit interesting amine uptake properties. Solvent and cation substitution effects were used to control the packing and connectivity of phosphonate-based clusters. The selective substitution of metal atoms within the clusters may lead to interesting magnetic materials. In other work, N-donor and bulky phosphonates were used to influence the structure of several SnII phosphonates, which resulted in the discovery of a new layered structure type. The effect of the Sn-N interaction on the structures is investigated, and found to have significant effects on the structural units formed and how they pack in the solid state. The work presented herein represents only a small fraction of the rich chemistry of metal phosphonates. Creative researchers will continue to push boundaries and find new and interesting applications for phosphonate-based materials.

Perry, Houston Phillipp

2011-12-01T23:59:59.000Z

380

Characterization of Toxicity of Coal-Fired Power Plant Effluents to Freshwater Mussels  

Science Conference Proceedings (OSTI)

Coal-fired power plant wastewater effluents contain metals and other materials that may harm aquatic life living in receiving streams adjacent to power plants. Characterization of the hazard associated with these wastewater effluents will inform plant operators such that they may alter processes in order to promote cleaner wastewater discharges. This interim report discusses efforts to culture healthy aquatic organisms to be used in toxicity bioassays. Culture and bioassay methods are refined and ready f...

2009-12-02T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Recipients: The 2001 LMD Light Metals Award  

Science Conference Proceedings (OSTI)

The Minerals, Metals & Materials Society's Light Metals Division Light Metals Award, established in 1983, is awarded to the author(s) of a paper published in the...

382

Recipients: The 2003 LMD Light Metals Award  

Science Conference Proceedings (OSTI)

The Minerals, Metals & Materials Society's Light Metals Division Light Metals Award, established in 1983, is awarded to the author(s) of a paper published in the...

383

Recipients: The 2002 LMD Light Metals Award  

Science Conference Proceedings (OSTI)

The Minerals, Metals & Materials Society's Light Metals Division Light Metals Award, established in 1983, is awarded to the author(s) of a paper published in the...

384

Recipients: The 2004 LMD Light Metals Award  

Science Conference Proceedings (OSTI)

The Minerals, Metals & Materials Society's Light Metals Division Light Metals Award, established in 1983, is awarded to the author(s) of a paper published in the...

385

HIGH-TEMPERATURE LIQUID-METAL TECHNOLOGY REVIEW. A Bimonthly Technical Progress Review. Volume 1, Number 2  

SciTech Connect

Metals ---technology of high-temperature liquid, review; Systems for Nuclear Auxiliary Power (SNAP-2) ---coolant boiling research for; Nuclear Power Plants ---development research on thermionic, Los Alamos Molten Plutonium Reactor Experiments ---fuel element analysis; Heat Transfer Systems ---conference on liquid metal; Bearings --coating for liquid metal, performance of; Systems for Nuclear Auxiliary Power (SNAP-8) ---component development; Sodium---heat transfer research on; Mercury --heat transfer research on; Potassium ---heat transfer research on; Nitrogen Systems ---Hg --N, flow characteristics for two-phase; Mercury Systems ---Hg --N, flow characteristics for two-phase; Nuclear Power Plants ---heat transfer rejection by space, research on; Alkali Metals ---heat transfer research on; Turbines ---development of twostage potassium; Bearings --- development of liquid-metal lubricated; Niobium Alloys ---properties for alkali metal containment, research on; Rubidium ---thermophysical properties of; Los Alamos Molten Plutonium Reactor Experiments ---design of LAMPRE-1. (D.C.W.)

Dwyer, O.E. ed.

1963-04-01T23:59:59.000Z

386

IMPROVEMENTS IN STEAM GENERATING PLANT AND AN IMPROVED METHOD OF GENERATING STEAM  

SciTech Connect

A steam generating plant, designed for heat transfer from a liquid metal (potassium, sodium, or their alloy) with reduced danger of explosion, is based on the fact that, if steam (especially superheated) rather than water contacts the liquid metal, the risk of explosion is much reduced. In this plant steam is superheated by heat transfer from liquid metal, the steam bsing generated by heat transfer between the superheated steam and water. Diagrams are given for the plant, which comprises a series of heat exchangers in which steam is superheated; part of the superheated steam is recycled to convert water into steam. Apart from the danger of a steam--liquid metal contact, the main danger is that the superheated steam might cool, coming to the saturated condition; this danger can be averted by setting up mceans for detecting low steam temperatures. (D.L.C.)

Zoller, R.E.

1960-09-01T23:59:59.000Z

387

Metal reduction kinetics in Shewanella  

Science Conference Proceedings (OSTI)

Motivation: Metal reduction kinetics have been studied in cultures of dissimilatory metal reducing bacteria which include the Shewanella oneidensis strain MR-1. Estimation of system parameters from time-series data faces obstructions in ...

Raman Lall; Julie Mitchell

2007-09-01T23:59:59.000Z

388

Purification of alkali metal nitrates  

DOE Patents (OSTI)

A process is disclosed for removing heavy metal contaminants from impure alkali metal nitrates containing them. The process comprises mixing the impure nitrates with sufficient water to form a concentrated aqueous solution of the impure nitrates, adjusting the pH of the resulting solution to within the range of between about 2 and about 7, adding sufficient reducing agent to react with heavy metal contaminants within said solution, adjusting the pH of the solution containing reducing agent to effect precipitation of heavy metal impurities and separating the solid impurities from the resulting purified aqueous solution of alkali metal nitrates. The resulting purified solution of alkali metal nitrates may be heated to evaporate water therefrom to produce purified molten alkali metal nitrate suitable for use as a heat transfer medium. If desired, the purified molten form may be granulated and cooled to form discrete solid particles of alkali metal nitrates.

Fiorucci, Louis C. (Hamden, CT); Gregory, Kevin M. (Woodridge, IL)

1985-05-14T23:59:59.000Z

389

Metal-Ion-Mediated Reactions  

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

Metal-Ion-Mediated Reactions Metal-Ion-Mediated Reactions Metal-Ion-Mediated Reactions Print Monday, 19 December 2011 18:29 While mononuclear, polynuclear, and polymeric metal complexes are most often synthesized by the reaction of a metal precursor and a presynthesized organic ligand, it is also possible to generate the ligand in situ from an easily available organic compound. This approach allows the reactivity of the metal ion to activate a proligand, transforming it through an in situ reaction, sometimes providing coordination compounds with ligands not accessible by conventional organic synthesis. The intense interest in the reactivity of coordinated ligands is mainly due to the necessity of interpreting the mechanisms of homogeneous metal-catalyzed processes, in which a substrate is activated upon its coordination to one or more metal sites. A coordinated oxime group contains three active sites (C, N, O) for reactivity.

390

prairie restoration plant ident  

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

Plant Identification Plant Identification Once your restoration is started and plants begin to germinate, the next issue you are faced with is the identification of what is growing. From my experience, the seeds you planted should start germinating after about a week to ten days. Of course, this is dependent on the weather conditions and the amount of moisture in the soil. If you are watering regularly, you will get growth much more quickly than if you are just waiting for nature to take its course. Identifying prairie plants as they germinate is very difficult. If you are an experienced botanist or an expert on prairie plants, your identification will still be a little more than an educated guess. In other words identifying prairie species from non-native species will take some time.

391

Conditional sterility in plants  

DOE Patents (OSTI)

The present disclosure provides methods, recombinant DNA molecules, recombinant host cells containing the DNA molecules, and transgenic plant cells, plant tissue and plants which contain and express at least one antisense or interference RNA specific for a thiamine biosynthetic coding sequence or a thiamine binding protein or a thiamine-degrading protein, wherein the RNA or thiamine binding protein is expressed under the regulatory control of a transcription regulatory sequence which directs expression in male and/or female reproductive tissue. These transgenic plants are conditionally sterile; i.e., they are fertile only in the presence of exogenous thiamine. Such plants are especially appropriate for use in the seed industry or in the environment, for example, for use in revegetation of contaminated soils or phytoremediation, especially when those transgenic plants also contain and express one or more chimeric genes which confer resistance to contaminants.

Meagher, Richard B. (Athens, GA); McKinney, Elizabeth (Athens, GA); Kim, Tehryung (Taejeon, KR)

2010-02-23T23:59:59.000Z

392

Crystals and Plants  

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

Crystals and Plants Crystals and Plants Name: Diab Location: N/A Country: N/A Date: N/A Question: What will the likely effects of crystallized filaments in plant cells be? I had noticed that moth balls (para dichlorbenzene) tends within a very short temperature range to transform from a solid to gas and back to solid in the form of crystal filaments. I been wondering about the likely effects of an experiment in which a plant is placed in a chamber saturated with the fumes of a substance that had the same transformation properties of its state but none of the toxic effects be on the plants and will such filaments form inside the cell and rearrange its DNA strands or kill it outright? Replies: The following might be helpful: http://biowww.clemson.edu/biolab/mitosis.html http://koning.ecsu.ctstateu.edu/Plant_Physiology/osmosis.html

393

Electrical generating plant availability  

SciTech Connect

A discussion is given of actions that can improve availability, including the following: the meaning of power plant availability; The organization of the electric power industry; some general considerations of availability; the improvement of power plant availability--design factors, control of shipping and construction, maintenance, operating practices; sources of statistics on generating plant availability; effects of reducing forced outage rates; and comments by electric utilities on generating unit availability.

1975-05-01T23:59:59.000Z

394

Electroless metal plating of plastics  

DOE Patents (OSTI)

Process for plating main group metals on aromatic polymers is carried out by the use of a nonaqueous solution of a salt of an alkali metal in a positive valence state and a main group metal in a negative valence state with contact between the solution and polymer providing a redox reaction causing the deposition of the main group metal and the reduction of the polymer. Products from the process exhibit useful decorative and electrical properties.

Krause, L.J.

1982-09-20T23:59:59.000Z

395

SURFACE TREATMENT OF METALLIC URANIUM  

DOE Patents (OSTI)

The treatment of metallic uranium to provide a surface to which adherent electroplates can be applied is described. Metallic uranium is subjected to an etchant treatment in aqueous concentrated hydrochloric acid, and the etched metal is then treated to dissolve the resulting black oxide and/or chloride film without destroying the etched metal surface. The oxide or chloride removal is effected by means of moderately concentrated nitric acid in 3 to 20 seconds.

Gray, A.G.; Schweikher, E.W.

1958-05-27T23:59:59.000Z

396

LaNi{sub 5}-based metal hydride electrode in Ni-MH rechargeable cells  

DOE Patents (OSTI)

An at least ternary metal alloy of the formula AB{sub (Z-Y)}X{sub (Y)} is disclosed. In this formula, A is selected from the rare earth elements, B is selected from the elements of Groups 8, 9, and 10 of the Periodic Table of the Elements, and X includes at least one of the following: antimony, arsenic, germanium, tin or bismuth. Z is greater than or equal to 4.8 and less than or equal to 6.0. Y is greater than 0 and less than 1. Ternary or higher-order substitutions to the base AB{sub 5} alloys that form strong kinetic interactions with the predominant metals in the base metal hydride are used to form metal alloys with high structural integrity after multiple cycles of hydrogen sorption. 16 figs.

Bugga, R.V.; Fultz, B.; Bowman, R.; Surampudi, S.R.; Witham, C.K.; Hightower, A.

1999-03-30T23:59:59.000Z

397

Plant Growth and Photosynthesis  

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

Plant Growth and Photosynthesis Plant Growth and Photosynthesis Name: Jack Location: N/A Country: N/A Date: N/A Question: Do plants have any other way of growing besides photosythesis? Plants do not use photosynthesis to grow!!! They use cellular respiration just like every other organism to process energy into work. Plants use oxygen just like we do. Photosynthesis is principally only a process to change sunlight into a chemical form for storage. Replies: Check out our archives for more information. www.newton.dep.anl.gov/archive.htm Steve Sample Jack, Several kinds of flowering plants survive without the use of chlorophyll which is what makes plants green and able to produce sugar through photosynthesis. Dodder is a parasitic nongreen (without chlorophyll) plant that is commonly found growing on jewelweed and other plants in damp areas. Dodder twines around its host, (A host is an organism that has fallen victim to a parasite.), like a morning glory and attaches itself at certain points along the stem where it absorbs sugar and nutrients from the hosts sap.

398

Sunrise II Power Plant  

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

Sunrise Power Company, LLC (Sunrise), has planned the modification of an existing power plant project to increase its generation capacity by 265 megawatts by 2003. The initial...

399

Plant and Lighting  

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

publicationshouseplantligh t.html Sincerely, Anthony R. Brach "Artificial" light comes from many kinds of bulbs that emit different wavelengths of light; Many plants...

400

Repurposing a Hydroelectric Plant.  

E-Print Network (OSTI)

??This thesis project explores repurposing a hydroelectric plant along Richmond Virginia's Canal Walk. The building has been redesigned to create a community-oriented space programmed as (more)

Pritcher, Melissa

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

& Immobilization Plant Project  

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

the current mixing, erosion, corrosion, instrumentation and monitoring challenges at the Waste Treatment Plant (WTP) in Hanford. The "black cell" design concept and the use of...

402

Inert electrode containing metal oxides, copper and noble metal  

DOE Patents (OSTI)

A cermet composite material is made by treating at an elevated temperature a mixture comprising a compound of iron and a compound of at least one other metal, together with an alloy or mixture of copper and a noble metal. The alloy or mixture preferably comprises particles having an interior portion containing more copper than noble metal and an exterior portion containing more noble metal than copper. The noble metal is preferably silver. The cermet composite material preferably includes alloy phase portions and a ceramic phase portion. At least part of the ceramic phase portion preferably has a spinel structure.

Ray, Siba P. (Murrysville, PA); Woods, Robert W. (New Kensington, PA); Dawless, Robert K. (Monroeville, PA); Hosler, Robert B. (Sarver, PA)

2000-01-01T23:59:59.000Z

403

Inert electrode containing metal oxides, copper and noble metal  

DOE Patents (OSTI)

A cermet composite material is made by treating at an elevated temperature a mixture comprising a compound of iron and a compound of at least one other metal, together with an alloy or mixture of copper and a noble metal. The alloy or mixture preferably comprises particles having an interior portion containing more copper than noble metal and an exterior portion containing more noble metal than copper. The noble metal is preferably silver. The cermet composite material preferably includes alloy phase portions and a ceramic phase portion. At least part of the ceramic phase portion preferably has a spinel structure.

Ray, Siba P. (Murrysville, PA); Woods, Robert W. (New Kensington, PA); Dawless, Robert K. (Monroeville, PA); Hosler, Robert B. (Sarver, PA)

2001-01-01T23:59:59.000Z

404

METHOD OF PURIFYING URANIUM METAL  

DOE Patents (OSTI)

The removal of lmpurities from uranlum metal can be done by a process conslstlng of contacting the metal with liquid mercury at 300 icient laborato C, separating the impunitycontalnlng slag formed, cooling the slag-free liquld substantlally below the point at which uranlum mercurlde sollds form, removlng the mercury from the solids, and recovering metallic uranium by heating the solids.

Blanco, R.E.; Morrison, B.H.

1958-12-23T23:59:59.000Z

405

Integrated decontamination process for metals  

DOE Patents (OSTI)

An integrated process for decontamination of metals, particularly metals that are used in the nuclear energy industry contaminated with radioactive material. The process combines the processes of electrorefining and melt refining to purify metals that can be decontaminated using either electrorefining or melt refining processes.

Snyder, Thomas S. (Oakmont, PA); Whitlow, Graham A. (Murrysville, PA)

1991-01-01T23:59:59.000Z

406

Fabrication of metallic glass structures  

DOE Patents (OSTI)

Amorphous metal powders or ribbons are fabricated into solid shapes of appreciable thickness by the application of compaction energy. The temperature regime wherein the amorphous metal deforms by viscous flow is measured. The metal powders or ribbons are compacted within the temperature regime.

Cline, C.F.

1983-10-20T23:59:59.000Z

407

Development of materials resistant to metal dusting degradation.  

Science Conference Proceedings (OSTI)

Metal dusting corrosion has been a serious problem in the petroleum and petrochemical industries, such as reforming and syngas production systems. This form of deterioration has led to worldwide material loss for 50 years. For the past three years, we have studied the mechanism of metal dusting for Fe- and Ni-base alloys. In this report, we present a correlation between the weight loss and depth of pits that form in Ni-base alloys. Nickel-base alloys were also tested at 1 and 14.8 atm (210 psi), in a high carbon activity environment. Higher system pressure was found to accelerate corrosion in most Ni-base alloys. To reduce testing time, a pre-pitting method was developed. Mechanical scratches on the alloy surface led to fast metal dusting corrosion. We have also developed preliminary data on the performance of weldments of several Ni-base alloys in a metal dusting environment. Finally, Alloy 800 tubes and plates used in a reformer plant were examined by scanning electron microscopy, energy dispersive X-ray, and Raman spectroscopy. The oxide scale on the surface of the Alloy 800 primarily consists of Fe{sub 1+x}Cr{sub 2-X}O{sub 4} spinel phase with high Fe content. Carbon can diffuse through this oxide scale. It was discovered that the growth of metal dusting pits could be stopped by means of a slightly oxidized alloy surface. This leads to a new way to solve metal dusting problem.

Natesan, K.; Zeng, Z.

2006-04-24T23:59:59.000Z

408

Plant Growth-Promoting Bacteria for Phytostabilization of Mine Tailings  

Science Conference Proceedings (OSTI)

Eolian dispersion of mine tailings in arid and semiarid environments is an emerging global issue for which economical remediation alternatives are needed. Phytostabilization, the revegetation of these sites with native plants, is one such alternative. Revegetation often requires the addition of bulky amendments such as compost which greatly increases cost. We report the use of plant growth-promoting bacteria (PGPB) to enhance the revegetation of mine tailings and minimize the need for compost amendment. Twenty promising PGPB isolates were used as seed inoculants in a series of greenhouse studies to examine revegetation of an extremely acidic, high metal content tailings sample previously shown to require 15% compost amendment for normal plant growth. Several isolates significantly enhanced growth of two native species, quailbush and buffalo grass, in tailings. In this study, PGPB/compost outcomes were plant specific; for quailbush, PGPB were most effective in combination with 10% compost addition while for buffalo grass, PGPB enhanced growth in the complete absence of compost. Results indicate that selected PGPB can improve plant establishment and reduce the need for compost amendment. Further, PGPB activities necessary for aiding plant growth in mine tailings likely include tolerance to acidic pH and metals.

Grandlic, C.J.; Mendez, M.O.; Chorover, J.; Machado, B.; Maier, R.M.

2009-05-19T23:59:59.000Z

409

Plant for the treatment of waste  

SciTech Connect

A plant is described that is comprised of a post combustion chamber connected to the combustion chamber of a household rubbish incineration furnace whose hot gases it uses in order, by means of suitable berners to heat sewage sludges and industrial liquids and a circuit for the treatment of the smoke and residues coming from the post combustion. This circuit, which is held under vacuum by a blower, comprises a dry cooling tower employing semi-liquid sludges as cooling agent, an absorption tower employing a solution adapted to ombine the predominantly acid gases of the smoke, and a separating tower in which the liquids in suspension are removed. A recycle circuit for the solution and liquid separated and means of recovering metallic particles and compounds complete this plant.

Barkhuus, P.W.; Faldt, I.

1980-09-23T23:59:59.000Z

410

METHOD FOR OBTAINING PLUTONIUM METAL AND ALLOYS OF PLUTONIUM FROM PLUTONIUM TRICHLORIDE  

DOE Patents (OSTI)

A process is given for both reducing plutonium trichloride to plutonium metal using cerium as the reductant and simultaneously alloying such plutonium metal with an excess of cerium or cerium and cobalt sufficient to yield the desired nuclear reactor fuel composition. The process is conducted at a temperature from about 550 to 775 deg C, at atmospheric pressure, without the use of booster reactants, and a substantial decontamination is effected in the product alloy of any rare earths which may be associated with the source of the plutonium. (AEC)

Reavis, J.G.; Leary, J.A.; Maraman, W.J.

1962-11-13T23:59:59.000Z

411

PRODUCTION OF ACTINIDE METAL  

DOE Patents (OSTI)

A process of reducing actinide oxide to the metal with magnesium-zinc alloy in a flux of 5 mole% of magnesium fluoride and 95 mole% of magnesium chloride plus lithium, sodium, potassium, calcium, strontium, or barium chloride is presented. The flux contains at least 14 mole% of magnesium cation at 600-- 900 deg C in air. The formed magnesium-zinc-actinide alloy is separated from the magnesium-oxide-containing flux. (AEC)

Knighton, J.B.

1963-11-01T23:59:59.000Z

412

METAL COATING BATHS  

DOE Patents (OSTI)

A method is presented for restoring the effectiveness of bronze coating baths used for hot dip coating of uranium. Such baths, containing a high proportion of copper, lose their ability to wet uranium surfaces after a period of use. The ability of such a bath to wet uranium can be restored by adding a small amount of metallic aluminum to the bath, and skimming the resultant hard alloy from the surface.

Robinson, J.W.

1958-08-26T23:59:59.000Z

413

Spray casting of metallic preforms  

SciTech Connect

A metal alloy is melted in a crucible and ejected from the bottom of the crucible as a descending stream of molten metal. The descending stream is impacted with a plurality of primary inert gas jets surrounding the molten metal stream to produce a plume of atomized molten metal droplets. An inert gas is blown onto a lower portion of the plume with a plurality of auxiliary inert gas jets to deflect the plume into a more restricted pattern of high droplet density, thereby substantially eliminating unwanted overspray and resulting wasted material. The plume is projected onto a moving substrate to form a monolithic metallic product having generally parallel sides.

Flinn, John E. (Idaho Falls, ID); Burch, Joseph V. (Shelley, ID); Sears, James W. (Niskayuna, NY)

2000-01-01T23:59:59.000Z

414

Recycling Metals for the Environment - TMS  

Science Conference Proceedings (OSTI)

Jun 26, 2008 ... This article describes metal production from primary and secondary resources, recovering metals from waste streams and environmental...

415

Materials Sustainability: Digital Resource Center - Recycling Metals ...  

Science Conference Proceedings (OSTI)

Jul 2, 2008 ... This article describes metal production from primary and secondary resources, recovering metals from waste streams and environmental...

416

Liquid Metal Processing and Casting 2013  

Science Conference Proceedings (OSTI)

Ceramic, Slag and Refractory Reactions with Liquid Metals - Refining, Evaporation and Gas/Metal Reactions - Fundamentals of Reactions involving Liquid...

417

MESOPOROUS METAL OXIDE MICROSPHERE ELECTRODE COMPOSITIONS AND ...  

Compositions and methods of making are provided for mesoporous metal oxide microspheres electrodes. The mesoporous metal oxide microsphere ...

418

Methods for preparation of nanocrystalline rare earth phosphates for lighting applications  

DOE Patents (OSTI)

Disclosed here are methods for the preparation of optionally activated nanocrystalline rare earth phosphates. The optionally activated nanocrystalline rare earth phosphates may be used as one or more of quantum-splitting phosphor, visible-light emitting phosphor, vacuum-UV absorbing phosphor, and UV-emitting phosphor. Also disclosed herein are discharge lamps comprising the optionally activated nanocrystalline rare earth phosphates provided by these methods.

Comanzo, Holly Ann; Manoharan, Mohan; Martins Loureiro, Sergio Paulo; Setlur, Anant Achyut; Srivastava, Alok Mani

2013-04-16T23:59:59.000Z

419

Modulating lignin in plants  

DOE Patents (OSTI)

Materials and methods for modulating (e.g., increasing or decreasing) lignin content in plants are disclosed. For example, nucleic acids encoding lignin-modulating polypeptides are disclosed as well as methods for using such nucleic acids to generate transgenic plants having a modulated lignin content.

Apuya, Nestor; Bobzin, Steven Craig; Okamuro, Jack; Zhang, Ke

2013-01-29T23:59:59.000Z

420

NUCLEAR POWER PLANT  

DOE Patents (OSTI)

A nuclear power plant for use in an airless environment or other environment in which cooling is difficult is described. The power plant includes a boiling mercury reactor, a mercury--vapor turbine in direct cycle therewith, and a radiator for condensing mercury vapor. (AEC)

Carter, J.C.; Armstrong, R.H.; Janicke, M.J.

1963-05-14T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

Plants remember drought, adapt  

Science Conference Proceedings (OSTI)

Research carried out at the University of Nebraska-Lincoln (UNL; USA) shows that plants subjected to a previous period of drought learn to deal with the stress owing to their memories of the experience. Plants remember drought, adapt Inform Magazine

422

Coal gasification plant  

DOE Patents (OSTI)

A removable annular hearth member, shaped to fit over the slag outlet of a slagging gasifier, comprises a cast body of high thermal conductivity having integral coolant passageways, said passageways being formed by shaping a metal tube into a coil having an inlet and an outlet, and casting metal to the desired shape around the coil such that the inlet and outlet communicate exteriorly of the cast body.

Wood, Andrew (Dunfermline, GB6)

1978-01-01T23:59:59.000Z

423

Hydrothermal alkali metal recovery process  

DOE Patents (OSTI)

In a coal gasification operation or similar conversion process carried out in the presence of an alkali metal-containing catalyst wherein solid particles containing alkali metal residues are produced, alkali metal constituents are recovered from the particles by treating them with a calcium or magnesium-containing compound in the presence of water at a temperature between about 250.degree. F. and about 700.degree. F. and in the presence of an added base to establish a pH during the treatment step that is higher than would otherwise be possible without the addition of the base. During the treating process the relatively high pH facilitates the conversion of water-insoluble alkali metal compounds in the alkali metal residues into water-soluble alkali metal constituents. The resultant aqueous solution containing water-soluble alkali metal constituents is then separated from the residue solids, which consist of the treated particles and any insoluble materials formed during the treatment step, and recycled to the gasification process where the alkali metal constituents serve as at least a portion of the alkali metal constituents which comprise the alkali metal-containing catalyst. Preferably, the base that is added during the treatment step is an alkali metal hydroxide obtained by water washing the residue solids produced during the treatment step.

Wolfs, Denise Y. (Houston, TX); Clavenna, Le Roy R. (Baytown, TX); Eakman, James M. (Houston, TX); Kalina, Theodore (Morris Plains, NJ)

1980-01-01T23:59:59.000Z

424

Hydrothermal alkali metal recovery process  

SciTech Connect

In a coal gasification operation or similar conversion process carried out in the presence of an alkali metal-containing catalyst wherein solid particles containing alkali metal residues are produced, alkali metal constituents are recovered from the particles by treating them with a calcium or magnesium-containing compound in the presence of water at a temperature between about 250/sup 0/F and about 700/sup 0/F and in the presence of an added base to establish a pH during the treatment step that is higher than would otherwise be possible without the addition of the base. During the treating process the relatively high pH facilitates the conversion of water-insoluble alkali metal compounds in the alkali metal residues into water-soluble alkali metal constituents. The resultant aqueous solution containing watersoluble alkali metal constituents is then separated from the residue solids, which consist of the treated particles and any insoluble materials formed during the treatment step, and recycled to the gasification process where the alkali metal constituents serve as at least a portion of the alkali metal constituents which comprise the alkali metal-containing catalyst. Preferably, the base that is added during the treatment step is an alkali metal hydroxide obtained by water washing the residue solids produced during the treatment step.

Clavenna, L.R.; Eakman, J.M.; Kalina, T.; Wolfs, D.Y.

1980-08-26T23:59:59.000Z

425

Electrical energy monitoring in an industrial plant  

E-Print Network (OSTI)

This thesis presents an investigation into the actual electrical energy and demand use of a large metal fabrication facility located in Houston, Texas. Plant selection and the monitoring system are covered. The influence of a low power factor on energy consumption and demand is covered, including installation of correction and the effect of increasing the power factor on demand and energy consumption block sizes. The installation of capacitance correction has increased the low power factor of this facility from the low 60% range to the mid-to-high 70% range. A method has been developed to predict savings based on precorrection monitored data in the event the exact amount of capacitance installed is unknown. Savings for the month of February, 1994, are found to be $1327.56. This method can be used as a diagnostic tool to determine the amount of active capacitance. In this plant, that amount was found to be 315 KVAC, which correlates reasonably well with the amount active in the plant. The monitoring installation is described, and other uses (besides that dealing with power factor correction) are covered. Those uses include monitoring plant and equipment performance and productivity, and savings due to missed opportunities for equipment turn off.

Dorhofer, Frank Joseph

1994-01-01T23:59:59.000Z

426

Dimensionally stable metallic hydride composition  

SciTech Connect

A stable, metallic hydride composition and a process for making such a composition. The composition comprises a uniformly blended mixture of a metal hydride, kieselguhr, and a ballast metal, all in the form of particles. The composition is made by subjecting a metal hydride to one or more hydrogen absorption/desorption cycles to disintegrate the hydride particles to less than approximately 100 microns in size. The particles are partly oxidized, then blended with the ballast metal and the kieselguhr to form a uniform mixture. The mixture is compressed into pellets and calcined. Preferably, the mixture includes approximately 10 vol. % or more kieselguhr and approximately 50 vol. % or more ballast. Metal hydrides that can be used in the composition include Zr, Ti, V, Nb, Pd, as well as binary, tertiary, and more complex alloys of La, Al, Cu, Ti, Co, Ni, Fe, Zr, Mg, Ca, Mn, and mixtures and other combinations thereof. Ballast metals include Al, Cu and Ni.

Heung, Leung K. (Aiken, SC)

1994-01-01T23:59:59.000Z

427

Dimensionally stable metallic hydride composition  

SciTech Connect

A stable, metallic hydride composition and a process for making such a composition are described. The composition comprises a uniformly blended mixture of a metal hydride, kieselguhr, and a ballast metal, all in the form of particles. The composition is made by subjecting a metal hydride to one or more hydrogen absorption/desorption cycles to disintegrate the hydride particles to less than approximately 100 microns in size. The particles are partly oxidized, then blended with the ballast metal and the kieselguhr to form a uniform mixture. The mixture is compressed into pellets and calcined. Preferably, the mixture includes approximately 10 vol. % or more kieselguhr and approximately 50 vol. % or more ballast. Metal hydrides that can be used in the composition include Zr, Ti, V, Nb, Pd, as well as binary, tertiary, and more complex alloys of La, Al, Cu, Ti, Co, Ni, Fe, Zr, Mg, Ca, Mn, and mixtures and other combinations thereof. Ballast metals include Al, Cu and Ni.

Heung, L.K.

1994-03-22T23:59:59.000Z

428

Reduction of Metal Oxide to Metal using Ionic Liquids  

Science Conference Proceedings (OSTI)

A novel pathway for the high efficiency production of metal from metal oxide means of electrolysis in ionic liquids at low temperature was investigated. The main emphasis was to eliminate the use of carbon and high temperature application in the reduction of metal oxides to metals. The emphasis of this research was to produce metals such as Zn, and Pb that are normally produced by the application of very high temperatures. The reduction of zinc oxide to zinc and lead oxide to lead were investigated. This study involved three steps in accomplishing the final goal of reduction of metal oxide to metal using ionic liquids: 1) Dissolution of metal oxide in an ionic liquid, 2) Determination of reduction potential using cyclic voltammetry (CV) and 3) Reduction of the dissolved metal oxide. Ionic liquids provide additional advantage by offering a wide potential range for the deposition. In each and every step of the process, more than one process variable has been examined. Experimental results for electrochemical extraction of Zn from ZnO and Pb from PbO using eutectic mixtures of Urea ((NH2)2CO) and Choline chloride (HOC2H4N(CH3)3+Cl-) or (ChCl) in a molar ratio 2:1, varying voltage and temperatures were carried out. Fourier Transform Infra-Red (FTIR) spectroscopy studies of ionic liquids with and without metal oxide additions were conducted. FTIR and induction coupled plasma spectroscopy (ICPS) was used in the characterization of the metal oxide dissolved ionic liquid. Electrochemical experiments were conducted using EG&G potentiostat/galvanostat with three electrode cell systems. Cyclic voltammetry was used in the determination of reduction potentials for the deposition of metals. Chronoamperometric experiments were carried out in the potential range of -0.6V to -1.9V for lead and -1.4V to -1.9V for zinc. The deposits were characterized using XRD and SEM-EDS for phase, morphological and elemental analysis. The results showed that pure metal was deposited on the cathode. Successful extraction of metal from metal oxide dissolved in Urea/ChCl (2:1) was accomplished. The current efficiencies were relatively high in both the metal deposition processes with current efficiency greater than 86% for lead and 95% for zinc. This technology will advance the metal oxide reduction process by increasing the process efficiency and also eliminate the production of CO2 which makes this an environmentally benign technology for metal extraction.

Dr. Ramana Reddy

2012-04-12T23:59:59.000Z

429

BNL | Plant Sciences  

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

Plant Sciences Plant Sciences The Plant Sciences group's goal is to understand the principles underlying carbon capture, conversion, and storage in living systems; and develop the capability to model, predict and optimize these processes in plants and microorganisms. Staff Members John Shanklin Jason Candreva Jilian Fan Hui Liu Qin Liu Edward Whittle Xiaohong Yu Dax Fu Jin Chai Chang-Jun Liu Yuanheng Cai Mingyue Gou Guoyin Kai Zhaoyang Wei Huijun Yang Kewei Zhang Xuebin Zhang Jörg Schwender Jordan Hay Inga Hebbelmann Hai Shi Zhijie Sun Changcheng Xu Chengshi Yan Zhiyang Zhai Plant Sciences Contact John Shanklin, (631)344-3414 In the News No stories available Funding Agencies DOE Basic Energy Sciences Bayer CropScience The Biosciences Department is part of the Environment and Life Sciences Directorate at Brookhaven National Laboratory

430

Granby Pumping Plant  

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

Granby Pumping Plant Granby Pumping Plant Skip Navigation Links Transmission Functions Infrastructure projects Interconnection OASIS OATT Granby Pumping Plant-Windy Gap Transmission Line Rebuild Project Western owns and operates a 12-mile, 69-kV electric transmission line in Grand County, Colo., that originates at Windy Gap Substation and terminates at Granby Pumping Plant Switchyard. The proposed project would rebuild the single circuit line as a double circuit transmission line and add a second power transformer. One circuit would replace the existing 69-kV line; the other circuit would be a new 138-kV line. Granby Pumping Plant Switchyard would be expanded to accommodate the second line and power transformer. Windy Gap Substation would be modified to accommodate the second line.

431

The Influence of Nb on the Rare Earth Heavy Rail Steel Mechanical ...  

Science Conference Proceedings (OSTI)

Micro-alloying through the additions of Nb or rare earth (RE) elements has been proved ... of a Retired Cast Austentic Stainless Steel Hydrogen Reformer Tube.

432

The influence of Nb on the rare earth heavy rail steel mechanical ...  

Science Conference Proceedings (OSTI)

Micro-alloying through the additions of Nb or rare earth (RE) elements has been proved to be efficient to enhance the strength and corrosion resistance of rail...

433

Incorporating Dy in Rare-earth Magnets Through a Low Melting Dy ...  

Science Conference Proceedings (OSTI)

Abstract Scope, Approximately 8wt% to 10wt% Dy is needed in the conventionally manufactured rare earth magnets used for the traction motors of electric and...

434

(3) Tue PM-a Rare Earth Free Magnets - Programmaster.org  

Science Conference Proceedings (OSTI)

... magnet motors (IPM) for hybride and electric vehicles and direct drive wind generators. Current motor designs use rare earth permanent magnets which easily...

435

Corrosion protective coating for metallic materials  

DOE Patents (OSTI)

Corrosion protective coatings for metallic materials, particularly aluminum and aluminum alloys, produced with simple, low-cost equipment and materials other than toxic metals or metal salts, or metal cyanides. The metallic material is cleaned, degreased, and deoxidized, the surface is converted to a substantially alkaline condition, and the surface is chemically sealed with inorganic metal compounds.

Buchheit, Rudolph G. (Albuquerque, NM); Martinez, Michael A. (Albuquerque, NM)

1998-01-01T23:59:59.000Z

436

Appendix List for Upper Middle Mainstem Columbia River Appendix A. WNHP. 2003.Known High Quality or Rare Plant Communities and  

E-Print Network (OSTI)

Information: Red-winged Blackbird Appendix D. USDA, Farm Service Agency. Conservation Reserve Program: Monthly-and-thread Betula occidentalis / Cornus sericea shrubland Water birch / red-osier dogwood Betula occidentalis cover

437

Probing rare physical trajectories with Lyapunov weighted dynamics  

E-Print Network (OSTI)

The transition from order to chaos has been a major subject of research since the work of Poincare, as it is relevant in areas ranging from the foundations of statistical physics to the stability of the solar system. Along this transition, atypical structures like the first chaotic regions to appear, or the last regular islands to survive, play a crucial role in many physical situations. For instance, resonances and separatrices determine the fate of planetary systems, and localised objects like solitons and breathers provide mechanisms of energy transport in nonlinear systems such as Bose-Einstein condensates and biological molecules. Unfortunately, despite the fundamental progress made in the last years, most of the numerical methods to locate these 'rare' trajectories are confined to low-dimensional or toy models, while the realms of statistical physics, chemical reactions, or astronomy are still hard to reach. Here we implement an efficient method that allows one to work in higher dimensions by selecting trajectories with unusual chaoticity. As an example, we study the Fermi-Pasta-Ulam nonlinear chain in equilibrium and show that the algorithm rapidly singles out the soliton solutions when searching for trajectories with low level of chaoticity, and chaotic-breathers in the opposite situation. We expect the scheme to have natural applications in celestial mechanics and turbulence, where it can readily be combined with existing numerical methods

Julien Tailleur; Jorge Kurchan

2006-11-27T23:59:59.000Z

438

Development of New Biphasic Metal Organic Working Fluids for Subcritical  

Open Energy Info (EERE)

Biphasic Metal Organic Working Fluids for Subcritical Biphasic Metal Organic Working Fluids for Subcritical Geothermal Systems Geothermal Lab Call Project Jump to: navigation, search Last modified on July 22, 2011. Project Title Development of New Biphasic Metal Organic Working Fluids for Subcritical Geothermal Systems Project Type / Topic 1 Laboratory Call for Submission of Applications for Research, Development and Analysis of Geothermal Technologies Project Type / Topic 2 Working Fluids for Binary Power Plants Project Description In binary-cycle plants the cycle efficiency improves as pumping energy is reduced and from maximizing the enthalpy gain of the working fluid for a given amount of heat extracted from the geothermal source brine. Enthalpy gain of the working fluid in the heat exchanger occurs principally from sensible heat gained while passing through the heat exchanger in the liquid state and from vaporization of the organic working fluid near the exit of the heat exchanger. Additional heat transfer is limited after the vapor phase transition due the low thermal conductivity and heat capacity of the vapor. Also, operating pressures and temperatures are constrained by the bulk phase behavior and thermodynamic properties of the working fluid (boiling point, latent heat of vaporization, density, heat capacity, etc.). The fundamental underlying goal of this project is to overcome the cycle efficiency limitations imposed by the bulk thermodynamic proper-ties of the working fluid by introducing a metal-organic heat carrier (MOHC) into the system.

439

Emissions estimation for lignite-fired power plants in Turkey  

SciTech Connect

The major gaseous emissions (e.g. sulfur dioxide, nitrogen oxides, carbon dioxide, and carbon monoxide), some various organic emissions (e.g. benzene, toluene and xylenes) and some trace metals (e.g. arsenic, cobalt, chromium, manganese and nickel) generated from lignite-fired power plants in Turkey are estimated. The estimations are made separately for each one of the thirteen plants that produced electricity in 2007, because the lignite-fired thermal plants in Turkey are installed near the regions where the lignite is mined, and characteristics and composition of lignite used in each power plant are quite different from a region to another. Emission factors methodology is used for the estimations. The emission factors obtained from well-known literature are then modified depending on local moisture content of lignite. Emission rates and specific emissions (per MWh) of the pollutants from the plants without electrostatic precipitators and flue-gas desulfurization systems are found to be higher than emissions from the plants having electrostatic precipitators and flue -gas desulfurization systems. Finally a projection for the future emissions due to lignite-based power plants is given. Predicted demand for the increasing generation capacity based on the lignite-fired thermal power plant, from 2008 to 2017 is around 30%. 39 refs., 13 figs., 10 tabs.

Nurten Vardar; Zehra Yumurtaci [Yildiz Technical University Mechanical Engineering Faculty, Istanbul (Turkey)

2010-01-15T23:59:59.000Z

440

Further Findings Concerning Electrical Energy Monitoring in an Industrial Plant  

E-Print Network (OSTI)

The Energy Systems Laboratory (ESL) at Texas A&M University has monitored the real-time electrical energy consumption, demand, and power factor of a large metal fabrication plant in Houston, Texas for twelve months. Monthly reports that present the data in a format that plant personnel find useful are discussed. These reports allow plant personnel to see how power factor correction in conjunction with production retrofits have reduced utility bills despite production capacity increases. The reports have also been useful in detecting maintenance problems and monitoring productivity. A method that allows the calculation of power factor correction savings after correction is discussed. This method requires some power factor versus demand history prior to correction, and is used to determine what the demand would have been if the correction equipment had not been installed, even if the real demand of the plant changes. Major plant electrical modifications and their impact on a monitoring system are also discussed. Such modifications increase the potential for technical problems with the monitoring equipment and result in hard-to-find problems. A future step to be examined is one that uses visual or audible warning devices in the plant to control demand. At least one plant has adopted this idea in the form of warning lights that inform employees to shut down unnecessary equipment. This concept appears to be potentially beneficial to all plants which have some type of demand monitoring device on-site.

Lewis, D. R.; Dorhofer, F. J.; Heffington, W. M.

1995-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "rare metals plant" 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

AVESTAR® - Smart Plant  

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

Plant Plant In the area of smart plant operations, AVESTAR's dynamic simulators enable researchers to analyze plant-wide performance over a wide range of operating scenarios, including plant startup (cold, warm, hot), shutdown, fuel switchovers, on-load cycling, high-load operations of 90-120% of rated capacity, and high frequency megawatt changes for automatic generation control. The dynamic simulators also let researchers analyze the plant's response to disturbances and malfunctions. The AVESTAR team is also using dynamic simulators to develop effective strategies for the operation and control of pre-combustion capture technology capable of removing at least 90% of the CO2 emissions. Achieving operational excellence can have significant impact on the extent and the rate at which commercial-scale capture processes will be scaled-up, deployed, and used in the years to come. If deployment of new CO2 capture technologies is to be accelerated, power generators must be confident in ensuring efficient, flexible, reliable, environmentally-friendly, and profitable plant operations.

442

Inspection of Nuclear Power Plant Structures - Overview of Methods and Related Applications  

SciTech Connect

The objectives of this limited study were to provide an overview of the methods that are available for inspection of nuclear power plant reinforced concrete and metallic structures, and to provide an assessment of the status of methods that address inspection of thick, heavily-reinforced concrete and inaccessible areas of the containment metallic pressure boundary. In meeting these objectives a general description of nuclear power plant safety-related structures was provided as well as identification of potential degradation factors, testing and inspection requirements, and operating experience; methods for inspection of nuclear power plant reinforced concrete structures and containment metallic pressure boundaries were identified and described; and applications of nondestructive evaluation methods specifically related to inspection of thick-section reinforced concrete structures and inaccessible portions of containment metallic pressure boundaries were summarized. Recommendations are provided on utilization of test article(s) to further advance nondestructive evaluation methods related to thick-section, heavily-reinforced concrete and inaccessible portions of the metallic pressure boundary representative of nuclear power plant containments. Conduct of a workshop to provide an update on applications and needed developments for nondestructive evaluation of nuclear power plant structures would also be of benefit.

Naus, Dan J [ORNL

2009-05-01T23:59:59.000Z

443

PROCESS DEVELOPMENT QUARTERLY REPORT. II. PILOT PLANT WORK  

DOE Green Energy (OSTI)

Progress is reported on the gross solubility of U in digestions of Mallinokrodt feed materials, studies of variables affecting U purity in a TBP hexane extraction cycle, low-acid flowsheet for TBP--hexane extraction process based on a 440 g U/liter in lM HNO/sub 3/ digest liquor, hacking studies in the pilot plant pumperdecanter system, recovery of U from residues from the dingot process, lowering the H level in dingot metal, forging of dingot bar stock, dingot extrusion, fubrication of UO/sub 2/ fuel elements, and the determination of H content of derby and ingot metal. (W.L.H.)

Kuhlman, N. ed.

1957-05-01T23:59:59.000Z

444

Solution-mediated strategies for synthesizing metal oxides, borates and phosphides using nanocrystals as reactive precursors  

E-Print Network (OSTI)

Because of their high surface area (and hence, increased reactivity) nanocrystals can be used as reactive precursors in the low-temperature synthesis of solid state materials. When nanocrystals are used as reactants, the temperatures needed for diffusion between them can be significantly lower than for bulk-scale reactionsoften at temperatures attainable using solution-based techniques. In the following work, two synthetic strategies are defined and developed for accessing metal oxides, borates and phosphides using nanocrystalline precursors and solution-mediated techniques. Broadly, the strategies involve either 1) the formation of a nano-sized precursor in solution which is post-annealed after isolation to form a target metal oxide or borate or 2) the solution-mediated diffusion of phosphorus into a nanocrystalline metal to form target metal phosphides. To form multi-metal oxides using the first strategy, metal oxide nanoparticle precursors are mixed in stoichiometric ratios in solution to form a nanocomposite. After isolation, the nanocomposite is annealed in air at 700-800 C to form target ternary metal oxides, including Y2Ti2O7, Eu2Ti2O7, NiTiO3, Zn2SnO4 and CuInO2. As a variation of this method, rare earth borate nanoparticle precursors can be formed in solution by the reaction of RE3+ with NaBH4. After isolation, annealing in air at 700-800 C crystallizes a range of REBO3 and Al3RE(BO3)4 powders. Using solution-based techniques, metal phosphides can be formed by the reaction of pre-formed metal nanocrystals with trioctylphosphine (TOP), which acts as a mild phosphorus-source, at 300-370 C. A range of transition metal phosphide nanocrystals are accessible using this strategy, including the polyphosphides PdP2, AgP2 and Au2P3. Furthermore, shape and size of the metal phosphide product can be influenced by the shape and size of the metal precursor, allowing for the templated-design of nanostructured metal phosphides. The utility of this technique is not limited to the nano-regime. Bulk-scale metal powders, wires, foils, thin films and nanostructured metals can be converted to metal phosphides using analogous reactions with hot TOP. The two-fold purpose of this work is to extend these solution-mediated nanocrystal-based synthetic strategies to new classes of materials, and to compliment the existing library of low-temperature methods for making solid state materials.

Henkes, Amanda Erin

2008-05-01T23:59:59.000Z

445

Metal nanoparticle inks  

DOE Patents (OSTI)

Stabilized silver particles comprise particles comprising silver, a short-chain capping agent adsorbed on the particles, and a long-chain capping agent adsorbed on the particles. The short-chain capping agent is a first anionic polyelectrolyte having a molecular weight (Mw) of at most 10,000, and the long-chain capping agent is a second anionic polyelectrolyte having a molecular weight (Mw) of at least 25,000. The stabilized silver particles have a solid loading of metallic silver of at least 50 wt %.

Lewis, Jennifer A. (Urbana, IL); Ahn, Bok Yeop (Champaign, IL); Duoss, Eric B. (Urbana, IL)

2011-04-12T23:59:59.000Z

446

COORDINATION CHEMISTRY OF METAL SURFACES AND METAL COMPLEXES  

E-Print Network (OSTI)

molecular coordination chemistry of CH3NC has been reported.features of this surface chemistry. ACKNOw"LEDGMENTS The1980 Catalysis~ COORDINATION CHEMISTRY OF METAL SURFACES AND

Muetterties, E.L.

2013-01-01T23:59:59.000Z

447

Impact Resistance of Carbon Fiber and Metallic Glass Fiber Metal ...  

Science Conference Proceedings (OSTI)

The combination of thin metallic sheets with carbon fiber composite results in a ... Ceramic Textile Composites under In Situ Loading at Ultrahigh Temperatures.

448

Analysis of HEU samples from the ULBA Metallurgical Plant  

SciTech Connect

In early March 1994, eight highly enriched uranium (HEU) samples were collected from materials stored at the Ulba Metallurgical Plant in Oskamen (Ust Kamenogorsk), Kazakhstan. While at the plant site, portions of four samples were dissolved and analyzed by mass spectrograph at the Ulba analytical laboratory by Ulba analysts. Three of these mass spectrograph solutions and the eight HEU samples were subsequently delivered to the Y-12 Plant for complete chemical and isotopic analyses. Chemical forms of the eight samples were uranium metal chips, U0{sub 2} powder, uranium/beryllium oxide powder, and uranium/beryllium alloy rods. All were declared by the Ulba plant to have a uranium assay of {approximately}90 wt % {sup 235}U. The uranium/beryllium powder and alloy samples were also declared to range from about 8 to 28 wt % uranium. The chemical and uranium isotopic analyses done at the Y-12 Plant confirm the Ulba plant declarations. All samples appear to have been enriched using some reprocessed uranium, probably from recovery of uranium from plutonium production reactors. As a result, all samples contain some {sup 236}U and {sup 232}U and have small but measurable quantities of plutonium. This plutonium could be the result of either contamination carried over from the enrichment process or cross-contamination from weapons material. It is not the result of direct reactor exposure. Neither the {sup 232}U nor the plutonium concentrations are sufficiently high to provide a significant industrial health hazard. Both are well within established or proposed acceptance criteria for storage at Y-12. The trace metal analyses showed that, with the exception of beryllium, there are no trace metals in any of these HEU samples that pose a significant health hazard.

Gift, E.H.

1995-05-01T23:59:59.000Z

449

10 MWe Solar Thermal Central Receiver Pilot Plant total capital cost  

DOE Green Energy (OSTI)

A detailed breakdown of the capital cost of the 10 MWe Solar Thermal Central Receiver Pilot Plant located near Barstow, California is presented. The total capital requirements of the pilot plant are given in four cost breakdown structures: (1) project costs (research and development, design, factory, construction, and start-up); (2) plant system costs (land, structures and improvements, collector system, receiver system, thermal transport system, thermal storage system, turbine-generator plant system, electrical plant system, miscellaneous plant equipment, and plant level); (3) elements of work costs (sitework/earthwork, concrete work, metal work, architectural work, process equipment, piping and electrical work); and (4) recurring and non-recurring costs. For all four structures, the total capital cost is the same ($141,200,000); however, the allocation of costs within each structure is different. These cost breakdown structures have been correlated to show the interaction and the assignment of costs for specific areas.

Norris, H.F. Jr.

1985-02-01T23:59:59.000Z

450

Metal to ceramic sealed joint  

DOE Patents (OSTI)

A metal to ceramic sealed joint which can withstand wide variations in temperature and maintain a good seal is provided for use in a device adapted to withstand thermal cycling from about 20 to about 1000 degrees C. The sealed joint includes a metal member, a ceramic member having an end portion, and an active metal braze forming a joint to seal the metal member to the ceramic member. The joint is positioned remote from the end portion of the ceramic member to avoid stresses at the ends or edges of the ceramic member. The sealed joint is particularly suited for use to form sealed metal to ceramic joints in a thermoelectric generator such as a sodium heat engine where a solid ceramic electrolyte is joined to metal parts in the system.

Lasecki, John V. (Livonia, MI); Novak, Robert F. (Farmington Hills, MI); McBride, James R. (Ypsilanti, MI)

1991-01-01T23:59:59.000Z

451

Metals removal from spent salts  

DOE Patents (OSTI)

A method and apparatus for removing metal contaminants from the spent salt of a molten salt oxidation (MSO) reactor is described. Spent salt is removed from the reactor and analyzed to determine the contaminants present and the carbonate concentration. The salt is dissolved in water, and one or more reagents may be added to precipitate the metal oxide and/or the metal as either metal oxide, metal hydroxide, or as a salt. The precipitated materials are filtered, dried and packaged for disposal as waste or can be immobilized as ceramic pellets. More than about 90% of the metals and mineral residues (ashes) present are removed by filtration. After filtration, salt solutions having a carbonate concentration >20% can be spray-dried and returned to the reactor for re-use. Salt solutions containing a carbonate concentration <20% require further clean-up using an ion exchange column, which yields salt solutions that contain less than 1.0 ppm of contaminants.

Hsu, Peter C. (Pleasanton, CA); Von Holtz, Erica H. (Livermore, CA); Hipple, David L. (Livermore, CA); Summers, Leslie J. (Livermore, CA); Brummond, William A. (Livermore, CA); Adamson, Martyn G. (Danville, CA)

2002-01-01T23:59:59.000Z

452

Metal to ceramic sealed joint  

DOE Patents (OSTI)

A metal to ceramic sealed joint which can withstand wide variations in temperature and maintain a good seal is provided for use in a device adapted to withstand thermal cycling from about 20 to about 1000 degrees C. The sealed joint includes a metal member, a ceramic member having an end portion, and an active metal braze forming a joint to seal the metal member to the ceramic member. The joint is positioned remote from the end portion of the ceramic member to avoid stresses at the ends or edges of the ceramic member. The sealed joint is particularly suited for use to form sealed metal to ceramic joints in a thermoelectric generator such as a sodium heat engine where a solid ceramic electrolyte is joined to metal parts in the system. 11 figures.

Lasecki, J.V.; Novak, R.F.; McBride, J.R.

1991-08-27T23:59:59.000Z

453

Hydrothermal method of synthesis of rare-earth tantalates and niobates  

SciTech Connect

A hydrothermal method of synthesis of a family of rare-earth Group 5 oxides, where the Group 5 oxide is a niobate or tantalate. The rare-earth Group 5 oxides can be doped with suitable emitter ions to form nanophosphors.

Nyman, May D; Rohwer, Lauren E.S.; Martin, James E

2012-10-16T23:59:59.000Z

454

Ge integration on Si via rare earth oxide buffers: From MBE to CVD (Invited Paper)  

Science Conference Proceedings (OSTI)

Single crystalline rare earth oxide heterostructures are flexible buffer systems to achieve the monolithic integration of Ge thin film structures on Si. The development of engineered oxide systems suitable for mass-production compatible CVD processes ... Keywords: Engineered Si wafers, Ge integration, Heteroepitaxy, Rare earth oxides, X-ray diffraction

T. Schroeder; A. Giussani; H. -J. Muessig; G. Weidner; I. Costina; Ch. Wenger; M. Lukosius; P. Storck; P. Zaumseil

2009-07-01T23:59:59.000Z

455

RARE BOOK SCHOOL 114 Alderman Library University of Virginia Charlottesville, Virginia 22904-4103  

E-Print Network (OSTI)

RARE BOOK SCHOOL 114 Alderman Library · University of Virginia · Charlottesville, Virginia 22904-depth study of physical books and manuscripts is scarcely to be found. Rare Book School at the University of Virginia keeps the history of books alive. More than 300 students will take our courses this year

Whittle, Mark

456

Si Nanostructures Embedded into Crystalline Rare Earth Oxide Matrix for Opto and Nano Electronic Devices  

Science Conference Proceedings (OSTI)

We describe a novel approach to grow Si nanostructures embedded into crystalline rare earth oxides using molecular beam epitaxy. By efficiently exploiting the growth kinetics during growth one could create nanostructures exhibiting various dimensions, ... Keywords: Si quantum dot, quantum confinement, nonvolatile memory, optoelectronics, rare earth oxide, molecular beam epitaxy

H. J. Osten; A. Laha; A. Fissel

2010-02-01T23:59:59.000Z

457

Si-nanoclusters embedded into epitaxial rare earth oxides: Potential candidate for nonvolatile memory applications  

Science Conference Proceedings (OSTI)

Using an unconventional approach, single crystalline Si-nanoclusters (Si-NCs) with uniform size and higher density were embedded into epitaxial rare earth oxide with two-dimensional spatial arrangements at a defined distance from the substrate using ... Keywords: Epitaxial rare earth oxide, MBE, Nonvolatile memory, Si-nanocluster

Apurba Laha; E. Bugiel; A. Fissel; H. J. Osten

2008-12-01T23:59:59.000Z

458

Witnessing spin-orbit thermal entanglement in rare-earth ions  

E-Print Network (OSTI)

We explore spin-orbit thermal entanglement in rare-earth ions, based on a witness obtained from mean energies. The entanglement temperature $T_{E}$, below which entanglement emerges, is found to be thousands of kelvin above room temperature for all light rare earths. This demonstrate the robustness to environmental fluctuations of entanglement between internal degrees of freedom of a single ion.

O. S. Duarte; C. S. Castro; D. O. Soares-Pinto; M. S. Reis

2013-08-07T23:59:59.000Z

459

Georgia Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

460

Arkansas Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

Note: This page contains sample records for the topic "rare metals plant" 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

Iowa Nuclear Profile - Power Plants  

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

Iowa nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

462

Ohio Nuclear Profile - Power Plants  

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

Ohio nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

463

Vermont Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

464

Florida Nuclear Profile - Power Plants  

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

Florida nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear...

465

Virginia Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

466

Washington Nuclear Profile - Power Plants  

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

Washington nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State...

467

Missouri Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

468

Nebraska Nuclear Profile - Power Plants  

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

Nebraska nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear...

469

Tennessee Nuclear Profile - Power Plants  

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

Tennessee nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear...

470

Connecticut Nuclear Profile - Power Plants  

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

Connecticut nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State...

471

Minnesota Nuclear Profile - Power Plants  

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

Minnesota nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear...

472

California Nuclear Profile - Power Plants  

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

California nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State...

473

Arizona Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

474

Massachusetts Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

475

Kansas Nuclear Profile - Power Plants  

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

Kansas nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear...

476

Alabama Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

477

Wisconsin Nuclear Profile - Power Plants  

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

Wisconsin nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear...

478

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...

479

Texas Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

480

Michigan Nuclear Profile - Power Plants  

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

nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State nuclear net...

Note: This page contains sample records for the topic "rare metals plant" 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.


481

Mississippi Nuclear Profile - Power Plants  

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

Mississippi nuclear power plants, summer capacity and net generation, 2010" "Plant nametotal reactors","Summer capacity (mw)","Net generation (thousand mwh)","Share of State...

482

Artificial light and plant growth  

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

Artificial light and plant growth Name: Lim Age: NA Location: NA Country: NA Date: NA Question: What color of artificial light works the best in plant growth? Replies:...

483

The First Coal Plants  

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

Coal Plants Coal Plants Nature Bulletin No. 329-A January 25, 1969 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation THE FIRST COAL PLANTS Coal has been called "the mainspring" of our civilization. You are probably familiar, in a general way, with the story of how it originated ages ago from beds of peat which were very slowly changed to coal; and how it became lignite or brown coal, sub-bituminous, bituminous, or anthracite coal, depending on bacterial and chemical changes in the peat, how much it was compressed under terrific pressure, and the amount of heat involved in the process. You also know that peat is formed by decaying vegetation in shallow clear fresh-water swamps or bogs, but it is difficult to find a simple description of the kinds of plants that, living and dying during different periods of the earth's history, created beds of peat which eventually became coal.

484

Fermilab Prairie Plant Survey  

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

Crack the Quadrat* Code! Crack the Quadrat* Code! compass plasnt * What is a Quadrat? It's a one-meter square plot. Plants in the quadrat are identified and counted. Fermilab quadrat specialists can! Attention Citizen Scientists Are you a prairie enthusiast? Learn scientific plant monitoring techniques while enjoying our beautiful prairie. Join a unique science program open to the public, adult groups, families, scouts and more …. Become a prairie quadrat specialist and do real science at Fermilab! In the Fermilab Prairie Plant Survey you will learn how to identify prairie plants, map a prairie plot and track restoration progress along with our experts. Use our Website to contribute data you collect. Come once or come back two or three times to see how the prairie changes. Keep an eye on this prairie for years to come!

485

prairie restoration planting  

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

Planting Planting The most common method of planting is to broadcast spread your seeds. This is usually done by hand, but you can also use a lawn-type spreader. After you have spread your seeds, rake the area over lightly. For seeds to germinate correctly they need to have good seed to soil contact, but you also don't want to bury the seeds too deeply. The general rule is to cover seeds to a depth no deeper than twice the seed's size. For example, if a seed is 4 mm in size, you would not want to bury it any deeper than 8 mm. The seeds commonly found in a prairie matrix are usually small enough, that raking over the spread seed to mix and cover them with a thin layer of soil, is adequate. If you are involving large numbers of people in the planting, a plastic cup

486

Pollution adn Plant Growth  

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

Pollution adn Plant Growth Pollution adn Plant Growth Name: Virdina Location: N/A Country: N/A Date: N/A Question: What are the effcts off water polltuion on plant growth? Are there any good websites where I can find current or on going research being done by other scientist? Replies: Dear Virdina, Possibly helpful: http://www.ec.gc.ca/water/en/manage/poll/e_poll.htm http://www.epa.vic.gov.au/wq/info/wq987.htm Sincerely, Anthony R. Brach This is a very complicated question, there are so many different types of water pollution and different species of plants react very differently. Good places to start are the U.S. environmental protection agency, the office of water is at: http://www.epa.gov/ow/ and there is a link to a kid's page from there: http://www.epa.gov/OST/KidsStuff/ You might also try state EPA's, Illinois is at:

487

Water Treatment Plants  

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

to see the operation than have us explain it. Basically, most treatment plants remove the solid material and use living organisms and chlorine to clean up the water. Steve Sample...

488

Fuel rod reprocessing plant  

Science Conference Proceedings (OSTI)

A plant for the reprocessing of fuel rods for a nuclear reactor comprises a plurality of rectangular compartments desirably arranged on a rectangular grid. Signal lines, power lines, pipes, conduits for instrumentation, and other communication lines leave a compartment just below its top edges. A vehicle access zone permits overhead and/or mobile cranes to remove covers from compartments. The number of compartments is at least 25% greater than the number of compartments used in the initial design and operation of the plant. Vacant compartments are available in which replacement apparatus can be constructed. At the time of the replacement of a unit, the piping and conduits are altered to utilize the substitute equipment in the formerly vacant compartment, and it is put on stream prior to dismantling old equipment from the previous compartment. Thus the downtime for the reprocessing plant for such a changeover is less than in a traditional reprocessing plant.

Szulinski, M.J.

1981-04-14T23:59:59.000Z

489

Power Plant Closure Guidebook  

Science Conference Proceedings (OSTI)

Organizations that are planning to decommission an aged power plant face a host of issues that must be addressed and many tasks that must be properly executed in order to ensure a successful closure of the facility.

2010-10-20T23:59:59.000Z

490

B Plant facility description  

SciTech Connect

Buildings 225B, 272B, 282B, 282BA, and 294B were removed from the B Plant facility description. Minor corrections were made for tank sizes and hazardous and toxic inventories.

Chalk, S.E.

1996-10-04T23:59:59.000Z

491

Plant Pathogen Resistance  

Crop plants are infected by numerous fungal and bacterial pathogens that reduce crop quality and yield. Common methods for addessing this problem include time consuming processes such as genetic engeneering, and possibly enviromentally risky ...

492

Metallic hydrogen research  

DOE Green Energy (OSTI)

Theoretical studies predict that molecular hydrogen can be converted to the metallic phase at very high density and pressure. These conditions were achieved by subjecting liquid hydrogen to isentropic compression in a magnetic-flux compression device. Hydrogen became electrically conducting at a density of about 1.06 g/cm/sup 3/ and a calculated pressure of about 2 Mbar. In the experimental device, a cylindrical liner, on implosion by high explosive, compresses a magnetic flux which in turn isentropically compresses a hydrogen sample; coaxial conical anvils prevent escape of the sample during compression. One anvil contains a coaxial cable that uses alumina ceramic as an insulator; this probe allows continuous measurement of the electrical conductivity of the hydrogen. A flash x-ray radiograph exposed during the experiment records the location of the sample-tube boundaries and permits calculation of the sample density. The theoretical underpinnings of the metallic transition of hydrogen are briefly summarized, and the experimental apparatus and technique, analytical methods, and results are described. 9 figures.

Burgess, T.J.; Hawke, R.S.

1978-11-16T23:59:59.000Z

493

Nonferrous Metal Melting -- Marketing Kit  

Science Conference Proceedings (OSTI)

The industrial sector increasingly relies on electric furnaces for nonferrous metal melting due to declining electricity cost, greater use of recycled secondary nonferrous materials, and tightened environmental regulations. This Nonferrous Metal Melting -- Marketing Kit is designed to help utility sales and marketing personnel perform a progressive analysis of electrotechnology applications in nonferrous metal melting systems. The kit is designed for utility personnel who have limited knowledge of the no...

2000-07-27T23:59:59.000Z

494

Metal-ceramic joint assembly  

DOE Patents (OSTI)

A metal-ceramic joint assembly in which a brazing alloy is situated between metallic and ceramic members. The metallic member is either an aluminum-containing stainless steel, a high chromium-content ferritic stainless steel or an iron nickel alloy with a corrosion protection coating. The brazing alloy, in turn, is either an Au-based or Ni-based alloy with a brazing temperature in the range of 9500 to 1200.degree. C.

Li, Jian (New Milford, CT)

2002-01-01T23:59:59.000Z

495

Method for preparing porous metal hydride compacts  

DOE Patents (OSTI)

A method for preparing porous metallic-matrix hydride compacts which can be repeatedly hydrided and dehydrided without disintegration. A mixture of a finely divided metal hydride and a finely divided matrix metal is contacted with a poison which prevents the metal hydride from dehydriding at room temperature and atmospheric pressure. The mixture of matrix metal and poisoned metal hydride is then compacted under pressure at room temperature to form porous metallic-matrix hydride compacts.

Ron, M.; Gruen, D.M.; Mendelsohn, M.H.; Sheft, I.

1980-01-21T23:59:59.000Z

496

Metals Welded and Thickness Parameters  

Science Conference Proceedings (OSTI)

...more sheet metal stampings that do not require gas-tight or liquid-tight joints can be more economically joined by high-speed RSW than by

497

SOLDERING OF ALUMINUM BASE METALS  

DOE Patents (OSTI)

This patent deals with the soldering of aluminum to metals of different types, such as copper, brass, and iron. This is accomplished by heating the aluminum metal to be soldered to slightly above 30 deg C, rubbing a small amount of metallic gallium into the part of the surface to be soldered, whereby an aluminum--gallium alloy forms on the surface, and then heating the aluminum piece to the melting point of lead--tin soft solder, applying lead--tin soft solder to this alloyed surface, and combining the aluminum with the other metal to which it is to be soldered.

Erickson, G.F.

1958-02-25T23:59:59.000Z

498

Primary Metals - Compressor Motors Failing  

Science Conference Proceedings (OSTI)

This power quality (PQ) case study presents the investigation of four failures of compressor motors for a two stage chiller at a primary metals manufacturing facility.

2003-12-31T23:59:59.000Z

499

Electrochemical Decontamination of Painted and Heavily Corroded Metals  

SciTech Connect

The radioactive metal wastes that are generated from nuclear fuel plants and radiochemical laboratories are mainly contaminated by the surface deposition of radioactive isotopes. There are presently several techniques used in removing surface contamination involving physical and chemical processes. However, there has been very little research done in the area of soiled, heavily oxidized, and painted metals. Researchers at Los Alamos National Laboratory have been developing electrochemical procedures for the decontamination of bare and painted metal objects. These methods have been found to be effective on highly corroded as well as relatively new metals. This study has been successful in decontaminating projectiles and shrapnel excavated during environmental restoration projects after 40+ years of exposure to the elements. Heavily corroded augers used in sampling activities throughout the area were also successfully decontaminated. This process has demonstrated its effectiveness and offers several advantages over the present metal decontamination practices of media blasting and chemical solvents. These advantages include the addition of no toxic or hazardous chemicals, low operating temperature and pressure, and easily scaleable equipment. It is in their future plans to use this process in the decontamination of gloveboxes destined for disposal as TRU waste.

Marczak, S.; Anderson, J.; Dziewinski, J.

1998-09-08T23:59:59.000Z

500

CO2 Removal from Flue Gas Using MIcroporous Metal Organic Frameworks  

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

Removal from Flue Gas Using Removal from Flue Gas Using Microporous Metal Organic Frameworks Background The mission of the U.S. Department of Energy's (DOE) Existing Plants, Emissions, & Capture (EPEC) Research & Development (R&D) Program is to develop innovative environmental control technologies to enable full use of the nation's vast coal reserves, while at the same time allowing the current fleet of coal-fired power plants to comply with existing and emerging environmental regulations. The EPEC R&D