National Library of Energy BETA

Sample records for water treatment result

  1. Water Resources Water Quality and Water Treatment

    E-Print Network [OSTI]

    Sohoni, Milind

    Water Resources TD 603 Lecture 1: Water Quality and Water Treatment CTARA Indian Institute of Technology, Bombay 2nd November, 2011 #12;OVERVIEW Water Quality WATER TREATMENT PLANTS WATER TREATMENT PLANTS WATER TREATMENT PLANTS WATER TRE OVERVIEW OF THE LECTURE 1. Water Distribution Schemes Hand Pump

  2. Water treatment method

    DOE Patents [OSTI]

    Martin, F.S.; Silver, G.L.

    1991-04-30

    A method is described for reducing the concentration of any undesirable metals dissolved in contaminated water, such as waste water. The method involves uniformly reacting the contaminated water with an excess amount of solid particulate calcium sulfite to insolubilize the undesirable metal ions, followed by removal thereof and of the unreacted calcium sulfite.

  3. Water treatment method

    DOE Patents [OSTI]

    Martin, Frank S. (Farmersville, OH); Silver, Gary L. (Centerville, OH)

    1991-04-30

    A method for reducing the concentration of any undesirable metals dissolved in contaminated water, such as waste water. The method involves uniformly reacting the contaminated water with an excess amount of solid particulate calcium sulfite to insolubilize the undesirable metal ions, followed by removal thereof and of the unreacted calcium sulfite.

  4. Copyright Awwa Research Foundation 2006 Advanced Water Treatment Impacts onAdvanced Water Treatment Impacts on

    E-Print Network [OSTI]

    Keller, Arturo A.

    , brackish groundwater, produced water, etc.produced water, etc. Advanced treatmentAdvanced treatment Water© Copyright Awwa Research Foundation 2006 Advanced Water Treatment Impacts onAdvanced Water Treatment Impacts on EnergyEnergy--Water LinkagesWater Linkages (The Water Utility Perspective)(The Water

  5. Water produced at the University of Iowa Water treatment plant

    E-Print Network [OSTI]

    Neiman, Maurine

    Water produced at the University of Iowa Water treatment plant meets or surpasses all federal and state drinking-water standards at this time. For information about the University of Iowa water supply, call us at 319-335-5168 Water Source The University of Iowa Water Plants' primary source of water

  6. Apparatus and process for water treatment

    DOE Patents [OSTI]

    Phifer, Mark A. (North Augusta, SC); Nichols, Ralph L. (North Augusta, SC)

    2001-01-01

    An apparatus is disclosed utilizing permeable treatment media for treatment of contaminated water, along with a method for enhanced passive flow of contaminated water through the treatment media. The apparatus includes a treatment cell including a permeable structure that encloses the treatment media, the treatment cell may be located inside a water collection well, exterior to a water collection well, or placed in situ within the pathway of contaminated groundwater. The passive flow of contaminated water through the treatment media is maintained by a hydraulic connection between a collecting point of greater water pressure head, and a discharge point of lower water pressure head. The apparatus and process for passive flow and groundwater treatment utilizes a permeable treatment media made up of granular metal, bimetallics, granular cast iron, activated carbon, cation exchange resins, and/or additional treatment materials. An enclosing container may have an outer permeable wall for passive flow of water into the container and through the enclosed treatment media to an effluent point. Flow of contaminated water is attained without active pumping of water through the treatment media. Remediation of chlorinated hydrocarbons and other water contaminants to acceptable regulatory concentration levels is accomplished without the costs of pumping, pump maintenance, and constant oversight by personnel.

  7. CDP Water Program 2015 Turkey Results

    E-Print Network [OSTI]

    Yanikoglu, Berrin

    CDP Water Program 2015 Turkey Results #12;Sponsor Foreword As Garanti Bank, we are proud era for water issues in Turkey. The results of 2015 CDP Global Water Report and results of Turkey hold Program, we aim to convey the integrated water management concept over a broader audience in Turkey

  8. Application of Iron Activated Persulfate for Disinfection in Water Treatment

    E-Print Network [OSTI]

    Wordofa, Dawit Negash

    2014-01-01

    Chlorine/Chloramine Drinking Water Treatment. Environ. Scl.S. Disinefction products in water treatmnet. Environ. Scl.oxidation technologies for water treatment decontamination.

  9. Renewable Energy Powered Water Treatment Systems 

    E-Print Network [OSTI]

    Richards, Bryce S.; Schäfer, Andrea

    2009-01-01

    There are many motivations for choosing renewable energy technologies to provide the necessary energy to power water treatment systems for reuse and desalination. These range from the lack of an existing electricity grid, ...

  10. Delta Drinking Water Quality and TreatmentDelta Drinking Water Quality and Treatment WeiWei--Hsiang ChenHsiang Chen

    E-Print Network [OSTI]

    Pasternack, Gregory B.

    ­ ozonation use, ()- Under construction SOURCE: CALFED (2005) and MWDSC (http://www.mwdh2o.com/index.htm ) #1211 Delta Drinking Water Quality and TreatmentDelta Drinking Water Quality and Treatment CostsCosts · Treatments for Delta water quality conditions to minimize cost within technology limits. · Results using

  11. Oil sands processes-affected water treatment Research field: Oil sands processes-affected water treatment

    E-Print Network [OSTI]

    Milgram, Paul

    Oil sands processes-affected water treatment Research field: Oil sands processes-affected water., to make the system work as desired. We have experimental projects on oil extraction, polymers, fluid

  12. Waste water treatment cuts plant's pollution

    SciTech Connect (OSTI)

    Not Available

    1984-01-09

    New waste water treatment facilities at the U.S. Oil and Refining Co. refinery, Tacoma, Wash., have allowed that plant to exceed NPDES (National Pollution Discharge Elimination System) standards for effluent discharge. This comes in an area where maintaining water quality is a sensitive public issue. The waste treatment system at the 25,000 b/d refinery enables it to discharge negligible quantities of waterborne pollutants, according to Envirex Inc. Envirex designed and built the activated sludge waste treatment system at the refinery (Fig. 1). The system utilizes large rotating vertical discs for aeration of the waste water. These discs churn air into the waste water. They also keep the solidsladen water moving in an orbital path in a specially constructed treatment basin. The rotating discs and flowing water facilitate formation of large floc particles which are conducive to solids capture. A higher concentration of mixed-liquor suspended solids (MLSS) is therefore possible, enhancing the efficient removal of waste materials from the water.

  13. ACTIVATED CARBON FROM LIGNITE FOR WATER TREATMENT (Technical...

    Office of Scientific and Technical Information (OSTI)

    ACTIVATED CARBON FROM LIGNITE FOR WATER TREATMENT Citation Details In-Document Search Title: ACTIVATED CARBON FROM LIGNITE FOR WATER TREATMENT You are accessing a document from...

  14. ILC Treatment of JLab Cavity Garners Exciting Result | Jefferson...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    https:www.jlab.orgnewsarticlesilc-treatment-jlab-cavity-garners-exciting-result ILC Treatment of JLab Cavity Garners Exciting Result Accelerator cavity HG-6 was...

  15. Costing Summaries for Selected Water Treatment

    E-Print Network [OSTI]

    · Engineering News-Record Construction Cost Index · Consumer Prices Index · Year Index = average of the monthly values of the year )( )( )()( yyearIndexCost xyearIndexCost yyearCostxyearCostUpdated ×= #12;Slow SandCosting Summaries for Selected Water Treatment Processes Alix Montel Ecole Centrale de Nantes M

  16. Linking ceragenins to water-treatment membranes to minimize biofouling.

    SciTech Connect (OSTI)

    Hibbs, Michael R.; Altman, Susan Jeanne; Feng, Yanshu (Brigham Young University, Provo, Utah); Savage, Paul B. (Brigham Young University, Provo, Utah); Pollard, Jacob (Brigham Young University, Provo, Utah); Branda, Steven S.; Goeres, Darla (Montana State University, Bozeman, MT); Buckingham-Meyer, Kelli (Montana State University, Bozeman, MT); Stafslien, Shane (North Dakota State University, Fargo, ND); Marry, Christopher; Jones, Howland D. T.; Lichtenberger, Alyssa; Kirk, Matthew F.; McGrath, Lucas K. (LMATA, Albuquerque, NM)

    2012-01-01

    Ceragenins were used to create biofouling resistant water-treatment membranes. Ceragenins are synthetically produced antimicrobial peptide mimics that display broad-spectrum bactericidal activity. While ceragenins have been used on bio-medical devices, use of ceragenins on water-treatment membranes is novel. Biofouling impacts membrane separation processes for many industrial applications such as desalination, waste-water treatment, oil and gas extraction, and power generation. Biofouling results in a loss of permeate flux and increase in energy use. Creation of biofouling resistant membranes will assist in creation of clean water with lower energy usage and energy with lower water usage. Five methods of attaching three different ceragenin molecules were conducted and tested. Biofouling reduction was observed in the majority of the tests, indicating the ceragenins are a viable solution to biofouling on water treatment membranes. Silane direct attachment appears to be the most promising attachment method if a high concentration of CSA-121a is used. Additional refinement of the attachment methods are needed in order to achieve our goal of several log-reduction in biofilm cell density without impacting the membrane flux. Concurrently, biofilm forming bacteria were isolated from source waters relevant for water treatment: wastewater, agricultural drainage, river water, seawater, and brackish groundwater. These isolates can be used for future testing of methods to control biofouling. Once isolated, the ability of the isolates to grow biofilms was tested with high-throughput multiwell methods. Based on these tests, the following species were selected for further testing in tube reactors and CDC reactors: Pseudomonas ssp. (wastewater, agricultural drainage, and Colorado River water), Nocardia coeliaca or Rhodococcus spp. (wastewater), Pseudomonas fluorescens and Hydrogenophaga palleronii (agricultural drainage), Sulfitobacter donghicola, Rhodococcus fascians, Rhodobacter katedanii, and Paracoccus marcusii (seawater), and Sphingopyxis spp. (groundwater). The testing demonstrated the ability of these isolates to be used for biofouling control testing under laboratory conditions. Biofilm forming bacteria were obtained from all the source water samples.

  17. INL Bettis Water Treatment Project Report

    SciTech Connect (OSTI)

    Not Available

    2009-06-01

    Bechtel Bettis Atomic Power Laboratory (Bettis), West Mifflin, PA, requested that the Idaho National Laboratory (INL) (Battelle Energy Alliance) perform tests using water simulants and three specified media to determine if those ion-exchange (IX) resins will be effective at removing the plutonium contamination from water. This report details the testing and results of the tests to determine the suitability of the media to treat plutonium contaminated water at near nuetral pH.

  18. No Chemical, Zero Bleed Cooling Tower Water Treatment Process 

    E-Print Network [OSTI]

    Coke, A. L.

    1992-01-01

    BLEED COOLING TOWER WATER TREATMENT PROCESS ALDEN L. COKE, CWS IV, PRESIDENT, AQUA-FLO, INC., BALTIMORE, MARYLAND ABSTRACT This paper describes a process to treat cooling tower water by means of a fully automated and chemical free mechanical water... treatment process. This is an alternative to conventional chemical treatment. Beginning with a suction pump to draw water out of the tower sump, water goes through a permanent magnetic descaler to increase the water solubility and begin the scale...

  19. The New England Water Treatment Technology Assistance CenterThe New England Water Treatment Technology Assistance Center at theat the

    E-Print Network [OSTI]

    Raw water Supernatant drain Filter drain & backfill Sand media Support gravel Drain tile Overflow weir11 The New England Water Treatment Technology Assistance CenterThe New England Water Treatment Filtration Treatment Performance #12;22 TACsTACs Mission StatementMission Statement The small public water

  20. Treatment of Difficult Waters: Arsenic Removal Silica Control...

    Office of Scientific and Technical Information (OSTI)

    of Difficult Waters: Arsenic Removal Silica Control Carbon Capture and Enhanced Oil Recovery. Citation Details In-Document Search Title: Treatment of Difficult Waters:...

  1. Novel Americium Treatment Process for Surface Water and Dust Suppression Water

    SciTech Connect (OSTI)

    Tiepel, E.W.; Pigeon, P.; Nesta, S.; Anderson, J.

    2006-07-01

    The Rocky Flats Environmental Technology Site (RFETS), a former nuclear weapons production plant, has been remediated under CERCLA and decommissioned to become a National Wildlife Refuge. The site conducted this cleanup effort under the Rocky Flats Cleanup Agreement (RFCA) that established limits for the discharge of surface and process waters from the site. At the end of 2004, while a number of process buildings were undergoing decommissioning, routine monitoring of a discharge pond (Pond A-4) containing approximately 28 million gallons of water was discovered to have been contaminated with a trace amount of Americium-241 (Am-241). While the amount of Am-241 in the pond waters was very low (0.5 - 0.7 pCi/l), it was above the established Colorado stream standard of 0.15 pCi/l for release to off site drainage waters. The rapid successful treatment of these waters to the regulatory limit was important to the site for two reasons. The first was that the pond was approaching its hold-up limit. Without rapid treatment and release of the Pond A-4 water, typical spring run-off would require water management actions to other drainages onsite or a mass shuttling of water for disposal. The second reason was that this type of contaminated water had not been treated to the stringent stream standard at Rocky Flats before. Technical challenges in treatment could translate to impacts on water and secondary waste management, and ultimately, cost impacts. All of the technical challenges and specific site criteria led to the conclusion that a different approach to the treatment of this problem was necessary and a crash treatability program to identify applicable treatment techniques was undertaken. The goal of this program was to develop treatment options that could be implemented very quickly and would result in the generation of no high volume secondary waste that would be costly to dispose. A novel chemical treatment system was developed and implemented at the RFETS to treat Am-241 contaminated pond water, surface run-off and D and D dust suppression water during the later stages of the D and D effort at Rocky Flats. This novel chemical treatment system allowed for highly efficient, high-volume treatment of all contaminated waste waters to the very low stream standard of 0.15 pCi/1 with strict compliance to the RFCA discharge criteria for release to off-site surface waters. The rapid development and implementation of the treatment system avoided water management issues that would have had to be addressed if contaminated water had remained in Pond A-4 into the Spring of 2005. Implementation of this treatment system for the Pond A-4 waters and the D and D waters from Buildings 776 and 371 enabled the site to achieve cost-effective treatment that minimized secondary waste generation, avoiding the need for expensive off-site water disposal. Water treatment was conducted for a cost of less than $0.20/gal which included all development costs, capital costs and operational costs. This innovative and rapid response effort saved the RFETS cleanup program well in excess of $30 million for the potential cost of off-site transportation and treatment of radioactive liquid waste. (authors)

  2. Economies of size in municipal water treatment technologies: Texas lower Rio Grande Valley 

    E-Print Network [OSTI]

    Boyer, Christopher Neil

    2008-10-10

    surface-water contamination. This research specifically focuses on investigating economies of size for conventional surface-water treatment and brackish-groundwater desalination by using results from four water treatment facilities in the Texas Lower Rio... Grande Valley (LRGV). The methodology and results can have direct implications on future water planning. iv Economic and financial life-cycle costs were estimated for a “small”- conventional-surface water facility (2.0 million gallons per day (mgd...

  3. Biologically Inspired Photocatalytically Active Membranes for Water Treatment

    E-Print Network [OSTI]

    Kinsinger, Nichola

    2013-01-01

    sludge from the water stream following the bioreactor with the supernatant being the effluent from the wastewater treatment plant .

  4. Applications of nanotechnology in water and wastewater treatment

    E-Print Network [OSTI]

    Alvarez, Pedro J.

    Applications of nanotechnology in water and wastewater treatment Xiaolei Qu, Pedro J.J. Alvarez Accepted 11 September 2012 Available online 26 March 2013 Keywords: Nanotechnology Nanomaterials Water. Nanotechnology holds great potential in advancing water and wastewater treatment to improve treatment efficiency

  5. Optimized alumina coagulants for water treatment

    DOE Patents [OSTI]

    Nyman, May D. (Albuquerque, NM); Stewart, Thomas A. (Albuquerque, NM)

    2012-02-21

    Substitution of a single Ga-atom or single Ge-atom (GaAl.sub.12 and GeAl.sub.12 respectively) into the center of an aluminum Keggin polycation (Al.sub.13) produces an optimal water-treatment product for neutralization and coagulation of anionic contaminants in water. GaAl.sub.12 consistently shows .about.1 order of magnitude increase in pathogen reduction, compared to Al.sub.13. At a concentration of 2 ppm, GaAl.sub.12 performs equivalently to 40 ppm alum, removing .about.90% of the dissolved organic material. The substituted GaAl.sub.12 product also offers extended shelf-life and consistent performance. We also synthesized a related polyaluminum chloride compound made of pre-hydrolyzed dissolved alumina clusters of [GaO.sub.4Al.sub.12(OH).sub.24(H.sub.2O).sub.12].sup.7+.

  6. Application of Matrix Completion on Water Treatment Data Sofia Savvaki

    E-Print Network [OSTI]

    Tsakalides, Panagiotis

    Application of Matrix Completion on Water Treatment Data Sofia Savvaki savvaki@csd.uoc.gr Grigorios) have rev- olutionized water management in urban areas. Nevertheless, literature reports minor progress in introducing CPS-based systems at industrial water treatment plants, responsible for water purification

  7. COSTS OF WATER TREATMENT DUE TO DIMINISHED WATER QUALITY: A CASE STUDY IN TEXAS

    E-Print Network [OSTI]

    McCarl, Bruce A.

    COSTS OF WATER TREATMENT DUE TO DIMINISHED WATER QUALITY: A CASE STUDY IN TEXAS David Dearmont and Resources Portland State University P O Box 751 Portland OR 97207-0751 October, 1997 Draft of paper in Water Resources Research, 34(4), 849-854, 1998. #12;2 CHEMICAL COSTS OF WATER TREATMENT DUE TO DIMINISHED WATER

  8. Growth Kinetics of the Homogeneously Nucleated Water Droplets: Simulation Results

    E-Print Network [OSTI]

    Mokshin, Anatolii V; 10.1088/1742-6596/394/1/012023

    2012-01-01

    The growth of homogeneously nucleated droplets in water vapor at the fixed temperatures T=273, 283, 293, 303, 313, 323, 333, 343, 353, 363 and 373 K (the pressure $p=1$ atm.) is investigated on the basis of the coarse-grained molecular dynamics simulation data with the mW-model. The treatment of simulation results is performed by means of the statistical method within the mean-first-passage-time approach, where the reaction coordinate is associated with the largest droplet size. It is found that the water droplet growth is characterized by the next features: (i) the rescaled growth law is unified at all the considered temperatures and (ii) the droplet growth evolves with acceleration and follows the power law.

  9. Yosemite Waters Vehicle Evaluation Report: Final Results

    SciTech Connect (OSTI)

    Eudy, L.; Barnitt, R.; Alleman, T. L.

    2005-08-01

    Document details the evaluation of Fischer-Tropsch diesel, a gas-to-liquid fuel, in medium-duty delivery vehicles at Yosemite Waters. The study was conducted by NREL at the company's Fullerton, California, bottling headquarters.

  10. Treatment methods for breaking certain oil and water emulsions

    DOE Patents [OSTI]

    Sealock, Jr., L. John (W. Richland, WA); Baker, Eddie G. (Richland, WA); Elliott, Douglas C. (Richland, WA)

    1992-01-01

    Disclosed are treatment methods for breaking emulsions of petroleum oil and salt water, fatty oil and water, and those resulting from liquefication of organic material. The emulsions are broken by heating to a predetermined temperature at or above about 200.degree. C. and pressurizing to a predetermined pressure above the vapor pressure of water at the predetermined temperature to produce a heated and pressurized fluid. The heated and pressurized fluid is contained in a single vessel at the predetermined temperature and pressure for a predetermined period of time to effectively separate the emulsion into substantially distinct first and second phases, the first phase comprising primarily the petroleum oil, the second phase comprising primarily the water. The first and second phases are separately withdrawn from the vessel at a withdraw temperature between about 200.degree. C. and 374.degree. C. and a withdraw pressure above the vapor pressure of water at the withdraw temperature. Where solids are present in the certain emulsions, the above described treatment may also effectively separate the certain emulsion into a substantially distinct third phase comprising primarily the solids.

  11. ANAEROBIC BIOLOGICAL TREATMENT OF IN-SITU RETORT WATER

    E-Print Network [OSTI]

    Ossio, Edmundo

    2012-01-01

    Phyllis Fox INTRODUCTION Oil shale retorting produces fromWaste Water from Oil Shale Processing" ACS Division of FuelEvaluates Treatments for Oil-Shale Retort Water," Industrial

  12. Sandia Energy - Water Monitoring & Treatment Technology

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    sources and water distribution systems are protected from accidental of intentional contamination events and that reliable systems are in place should an event occur. As water...

  13. Case history advanced coatings for water treatment plant components

    SciTech Connect (OSTI)

    Stephenson, L.D.; Kumar, A.

    2008-12-15

    Components of water treatment plants (WTPs) are susceptible to corrosion from constant immersion in water. A case history of corrosion and proximity to chlorine problems and their treatment at an Army WTP is presented. Solutions included using high micro-silica restoration mortar and advanced coal tar epoxy coatings.

  14. Desalination and Water Treatment www.deswater.com

    E-Print Network [OSTI]

    Desalination and Water Treatment www.deswater.com 1944-3994 / 1944-3986 © 2011 Desalination 1. Introduction Membrane distillation (MD) is a thermally driven desalination process that involves. / Desalination and Water Treatment 32 (2011) 234­241 235 100% rejection of ions, dissolved non-volatile organics

  15. Desalination and Water Treatment www.deswater.com

    E-Print Network [OSTI]

    Messalem, Rami

    , desalination, and rainwater harvesting. Irrigation with brackish water from marginal-quality aquifersDesalination and Water Treatment www.deswater.com 1944-3994 / 1944-3986 © 2009 Desalination, Desalination for Clean Water and Energy Cooperation among Mediterranean Countries of Europe and the MENA Region

  16. POOL WATER TREATMENT AND COOLING SYSTEM DESCRIPTION DOCUMENT

    SciTech Connect (OSTI)

    V. King

    2000-06-19

    The Pool Water Treatment and Cooling System is located in the Waste Handling Building (WHB), and is comprised of various process subsystems designed to support waste handling operations. This system maintains the pool water temperature within an acceptable range, maintains water quality standards that support remote underwater operations and prevent corrosion, detects leakage from the pool liner, provides the capability to remove debris from the pool, controls the pool water level, and helps limit radiological exposure to personnel. The pool structure and liner, pool lighting, and the fuel staging racks in the pool are not within the scope of the Pool Water Treatment and Cooling System. Pool water temperature control is accomplished by circulating the pool water through heat exchangers. Adequate circulation and mixing of the pool water is provided to prevent localized thermal hotspots in the pool. Treatment of the pool water is accomplished by a water treatment system that circulates the pool water through filters, and ion exchange units. These water treatment units remove radioactive and non-radioactive particulate and dissolved solids from the water, thereby providing the water clarity needed to conduct waste handling operations. The system also controls pool water chemistry to prevent advanced corrosion of the pool liner, pool components, and fuel assemblies. Removal of radioactivity from the pool water contributes to the project ALARA (as low as is reasonably achievable) goals. A leak detection system is provided to detect and alarm leaks through the pool liner. The pool level control system monitors the water level to ensure that the minimum water level required for adequate radiological shielding is maintained. Through interface with a demineralized water system, adequate makeup is provided to compensate for loss of water inventory through evaporation and waste handling operations. Interface with the Site Radiological Monitoring System provides continuous radiological monitoring of the pool water. The Pool Water Treatment and Cooling System interfaces with the Waste Handling Building System, Site-Generated Radiological Waste Handling System, Site Radiological Monitoring System, Waste Handling Building Electrical System, Site Water System, and the Monitored Geologic Repository Operations Monitoring and Control System.

  17. The Energy-Water Nexus: State and Local Roles in Efficiency & Water and Wastewater Treatment Plants

    Broader source: Energy.gov [DOE]

    This presentation, given through the DOE's Technical Assitance Program (TAP), provides information on the Energy-Water Nexus: State and Local Roles in Efficiency & Water and Wastewater Treatment Plants.

  18. Online Produced Water Treatment Catalog and Decision Tool

    SciTech Connect (OSTI)

    J. Arthur

    2012-03-31

    The objective of this project was to create an internet-based Water Treatment Technology Catalog and Decision Tool that will increase production, decrease costs and enhance environmental protection. This is to be accomplished by pairing an operator's water treatment cost and capacity needs to specific water treatments. This project cataloged existing and emerging produced water treatment technologies and allows operators to identify the most cost-effective approaches for managing their produced water. The tool captures the cost and capabilities of each technology and the disposal and beneficial use options for each region. The tool then takes location, chemical composition, and volumetric data for the operator's water and identifies the most cost effective treatment options for that water. Regulatory requirements or limitations for each location are also addressed. The Produced Water Treatment Catalog and Decision Tool efficiently matches industry decision makers in unconventional natural gas basins with: 1) appropriate and applicable water treatment technologies for their project, 2) relevant information on regulatory and legal issues that may impact the success of their project, and 3) potential beneficial use demands specific to their project area. To ensure the success of this project, it was segmented into seven tasks conducted in three phases over a three year period. The tasks were overseen by a Project Advisory Council (PAC) made up of stakeholders including state and federal agency representatives and industry representatives. ALL Consulting has made the catalog and decision tool available on the Internet for the final year of the project. The second quarter of the second budget period, work was halted based on the February 18, 2011 budget availability; however previous project deliverables were submitted on time and the deliverables for Task 6 and 7 were completed ahead of schedule. Thus the application and catalog were deployed to the public Internet. NETL did not provide additional funds and work on the project stopped on February 18, 2011. NETL ended the project on March 31, 2012.

  19. Acid mine water aeration and treatment system

    DOE Patents [OSTI]

    Ackman, Terry E. (Finleyville, PA); Place, John M. (Bethel Park, PA)

    1987-01-01

    An in-line system is provided for treating acid mine drainage which basically comprises the combination of a jet pump (or pumps) and a static mixer. The jet pump entrains air into the acid waste water using a Venturi effect so as to provide aeration of the waste water while further aeration is provided by the helical vanes of the static mixer. A neutralizing agent is injected into the suction chamber of the jet pump and the static mixer is formed by plural sections offset by 90 degrees.

  20. Cold Spring Harbor Laboratory Waste Water Treatment Plant [The Inhabited Landscape: An Exhibition

    E-Print Network [OSTI]

    Architects, Centerbrook

    1988-01-01

    Spring Harbor Laboratory Waste Water Treatment Plant JuryThe Cold Spring Harbor Waste Water Treatment Plant makes aA Cold Spring Harbor Waste Water Treatment Plant Photograph

  1. Sandia Energy - Water Monitoring & Treatment Technology

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefieldSulfateSciTechtail.Theory ofDid youOxygenLaboratory FellowsStationarytdheinrWater Monitoring &

  2. Produced Water Treatment Using Microbial Fuel Cell Technology

    SciTech Connect (OSTI)

    Borole, A. P.; Campbell, R. [Campbell Applied Physics

    2011-05-20

    ORNL has developed a treatment for produced water using a combination of microbial fuel cells and electrosorption. A collaboration between Campbell Applied Physics and ORNL was initiated to further investigate development of the technology and apply it to treatment of field produced water. The project successfully demonstrated the potential of microbial fuel cells to generate electricity from organics in produced water. A steady voltage was continuously generated for several days using the system developed in this study. In addition to the extraction of electrical energy from the organic contaminants, use of the energy at the representative voltage was demonstrated for salts removal or desalination of the produced water. Thus, the technology has potential to remove organic as well as ionic contaminants with minimal energy input using this technology. This is a novel energy-efficient method to treat produced water. Funding to test the technology at larger scale is being pursued to enable application development.

  3. Vegetated Roof Water-Balance Model: Experimental and Model Results

    E-Print Network [OSTI]

    Vegetated Roof Water-Balance Model: Experimental and Model Results James A. Sherrard Jr.1 and Jennifer M. Jacobs, M.ASCE2 Abstract: A five parameter, daily vegetated roof water balance model (VR-WBM) was developed, calibrated, and validated by using experimental vegetated roof data from the Seacoast, New

  4. Innovative Treatment Technologies for Natural Waters and Wastewaters

    SciTech Connect (OSTI)

    Childress, Amy E.

    2011-07-01

    The research described in this report focused on the development of novel membrane contactor processes (in particular, forward osmosis (FO), pressure retarded osmosis (PRO), and membrane distillation (MD)) in low energy desalination and wastewater treatment applications and in renewable energy generation. FO and MD are recently gaining national and international attention as viable, economic alternatives for removal of both established and emerging contaminants from natural and process waters; PRO is gaining worldwide attention as a viable source of renewable energy. The interrelationship of energy and water are at the core of this study. Energy and water are inextricably bound; energy usage and production must be considered when evaluating any water treatment process for practical application. Both FO and MD offer the potential for substantial energy and resource savings over conventional treatment processes and PRO offers the potential for renewable energy or energy offsets in desalination. Combination of these novel technologies with each other, with existing technologies (e.g., reverse osmosis (RO)), and with existing renewable energy sources (e.g., salinity gradient solar ponds) may enable much less expensive water production and also potable water production in remote or distributed locations. Two inter-related projects were carried out in this investigation. One focused on membrane bioreactors for wastewater treatment and PRO for renewable energy generation; the other focused on MD driven by a salinity gradient solar pond.

  5. TREATMENT OF PRODUCED OIL AND GAS WATERS WITH SURFACTANT-MODIFIED ZEOLITE

    SciTech Connect (OSTI)

    Lynn E. Katz; R.S. Bowman; E.J. Sullivan

    2003-11-01

    Co-produced water from the oil and gas industry accounts for a significant waste stream in the United States. It is by some estimates the largest single waste stream in the country, aside from nonhazardous industrial wastes. Characteristics of produced water include high total dissolved solids content, dissolved organic constituents such as benzene and toluene, an oil and grease component, and chemicals added during the oil-production process. While most of the produced water is disposed via reinjection, some must be treated to remove organic constituents before the water is discharged. Current treatment options are successful in reducing the organic content; however, they cannot always meet the levels of current or proposed regulations for discharged water. Therefore, an efficient, cost-effective treatment technology is needed. Surfactant-modified zeolite (SMZ) has been used successfully to treat contaminated ground water for organic and inorganic constituents. In addition, the low cost of natural zeolites makes their use attractive in water-treatment applications. This report summarizes the work and results of this four-year project. We tested the effectiveness of surfactant-modified zeolite (SMZ) for removal of BTEX with batch and column experiments using waters with BTEX concentrations that are comparable to those of produced waters. The data from our experimental investigations showed that BTEX sorption to SMZ can be described by a linear isotherm model, and competitive effects between compounds were not significant. The SMZ can be readily regenerated using air stripping. We field-tested a prototype SMZ-based water treatment system at produced water treatment facilities and found that the SMZ successfully removes BTEX from produced waters as predicted by laboratory studies. When compared to other existing treatment technologies, the cost of the SMZ system is very competitive. Furthermore, the SMZ system is relatively compact, does not require the storage of potentially hazardous chemicals, and could be readily adapted to an automated system.

  6. NDMA Formation During Drinking Water Treatment: Veterinary Antibiotics as Precursors, the Effect of Natural Organic Matter and the Significance of Treatment Practices

    E-Print Network [OSTI]

    Roback, Shannon

    2015-01-01

    in aquatic environments. Water, Air, and Soil Pollution 32 (Drinking Water Treatment.1418 E.3. Removal During Water

  7. Probabilistic cost estimation methods for treatment of water extracted during CO2 storage and EOR

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Graham, Enid J. Sullivan; Chu, Shaoping; Pawar, Rajesh J.

    2015-08-08

    Extraction and treatment of in situ water can minimize risk for large-scale CO2 injection in saline aquifers during carbon capture, utilization, and storage (CCUS), and for enhanced oil recovery (EOR). Additionally, treatment and reuse of oil and gas produced waters for hydraulic fracturing will conserve scarce fresh-water resources. Each treatment step, including transportation and waste disposal, generates economic and engineering challenges and risks; these steps should be factored into a comprehensive assessment. We expand the water treatment model (WTM) coupled within the sequestration system model CO2-PENS and use chemistry data from seawater and proposed injection sites in Wyoming, to demonstratemore »the relative importance of different water types on costs, including little-studied effects of organic pretreatment and transportation. We compare the WTM with an engineering water treatment model, utilizing energy costs and transportation costs. Specific energy costs for treatment of Madison Formation brackish and saline base cases and for seawater compared closely between the two models, with moderate differences for scenarios incorporating energy recovery. Transportation costs corresponded for all but low flow scenarios (3/d). Some processes that have high costs (e.g., truck transportation) do not contribute the most variance to overall costs. Other factors, including feed-water temperature and water storage costs, are more significant contributors to variance. These results imply that the WTM can provide good estimates of treatment and related process costs (AACEI equivalent level 5, concept screening, or level 4, study or feasibility), and the complex relationships between processes when extracted waters are evaluated for use during CCUS and EOR site development.« less

  8. A practical application for the chemical treatment of Southern California`s reclaimed, Title 22 water for use as makeup water for recirculating cooling water systems

    SciTech Connect (OSTI)

    Zakrzewski, J.; Cosulich, J.; Bartling, E.

    1998-12-31

    Pilot cooling water studies conducted at a Southern California landfill/cogeneration station demonstrated a successful chemical treatment program for recirculating cooling water that used unnitrified, reclaimed, Title 22 water as the primary makeup water source. The constituents in the reclaimed water are supplied by variety of residential and waste water sources resulting in a water quality that may vary to a greater degree than domestic water supplies. This water contains high concentrations of orthophosphate, ammonia, chlorides and suspended solids. The impact of which, under cycled conditions is calcium orthophosphate scaling, high corrosion of yellow metal and mild steel, stress cracking of copper alloys and stainless steel and rapidly growing biological activity. A mobile cooling water testing laboratory with two pilot recirculating water systems modeled the cogeneration station`s cooling tower operating conditions and parameters. The tube and shell, tube side cooling heat exchangers were fitted with 443 admiralty, 90/10 copper nickel, 316 stainless steel and 1202 mild steel heat exchanger tubes. Coupons and Corrater electrodes were also installed. A chemical treatment program consisting of 60/40 AA/AMPS copolymer for scale, deposits and dispersion, sodium tolyltriazole for yellow metal corrosion, and a bromination program to control the biological activity was utilized in the pilot systems. Recirculating water orthophosphate concentrations reached levels of 70 mg/L as PO, and ammonia concentrations reached levels of 35 mg/L, as total NH3. The study successfully demonstrated a chemical treatment program to control scale and deposition, minimize admiralty, 90/10 copper nickel and carbon steel corrosion rates, prevent non-heat transfer yellow metal and stainless steel stress cracking, and control the biological activity in this high nutrient water.

  9. Coalbed Methane Produced Water Screening Tool for Treatment Technology and Beneficial Use 2013 Supporting Information

    E-Print Network [OSTI]

    Coalbed Methane Produced Water Screening Tool for Treatment Technology and Beneficial Use 2013 1 Supporting Information 1.0 Produced Water Regulatory Framework for WY and NM.................................................................................................................... 4 2.0 Background on Interstate Water Marketing Using Produced Water

  10. Economic costs of conventional surface-water treatment: A case study of the Mcallen northwest facility 

    E-Print Network [OSTI]

    Rogers, Callie Sue

    2009-05-15

    Conventional water treatment facilities are the norm for producing potable water for U.S. metropolitan areas. Rapidly-growing urban populations, competing demands for water, imperfect water markets, and uncertainty of ...

  11. INTEC CPP-603 Basin Water Treatment System Closure: Process Design

    SciTech Connect (OSTI)

    Kimmitt, Raymond Rodney; Faultersack, Wendell Gale; Foster, Jonathan Kay; Berry, Stephen Michael

    2002-09-01

    This document describes the engineering activities that have been completed in support of the closure plan for the Idaho Nuclear Technology and Engineering Center (INTEC) CPP-603 Basin Water Treatment System. This effort includes detailed assessments of methods and equipment for performing work in four areas: 1. A cold (nonradioactive) mockup system for testing equipment and procedures for vessel cleanout and vessel demolition. 2. Cleanout of process vessels to meet standards identified in the closure plan. 3. Dismantlement and removal of vessels, should it not be possible to clean them to required standards in the closure plan. 4. Cleanout or removal of pipelines and pumps associated with the CPP-603 basin water treatment system. Cleanout standards for the pipes will be the same as those used for the process vessels.

  12. Nanofiltration/reverse osmosis for treatment of coproduced waters

    SciTech Connect (OSTI)

    Mondal, S.; Hsiao, C.L.; Wickramasinghe, S.R. [Colorado State University, Ft Collins, CO (United States)

    2008-07-15

    Current high oil and gas prices have lead to renewed interest in exploration of nonconventional energy sources such as coal bed methane, tar sand, and oil shale. However oil and gas production from these nonconventional sources has lead to the coproduction of large quantities of produced water. While produced water is a waste product from oil and gas exploration it is a very valuable natural resource in the arid Western United States. Thus treated produced water could be a valuable new source of water. Commercially available nanofiltration and low pressure reverse osmosis membranes have been used to treat three produced waters. The results obtained here indicate that the permeate could be put to beneficial uses such as crop and livestock watering. However minimizing membrane fouling will be essential for the development of a practical process. Field Emission Scanning Electron Microscopy imaging may be used to observe membrane fouling.

  13. Desalination and Water Treatment 16 (2010) 354380 www.deswater.com April

    E-Print Network [OSTI]

    Lienhard V, John H.

    2010-01-01

    Desalination and Water Treatment 16 (2010) 354­380 www.deswater.com April 1944-3994/1944-3986 © 2010 Desalination Publications. All rights reserved doi no. 10.5004/dwt.2010.1079 Thermophysical for design of thermal and membrane desalination processes. Results are presented in terms of regression

  14. An Integrated Water Treatment Technology Solution for Sustainable Water Resource Management in the Marcellus Shale

    SciTech Connect (OSTI)

    Matthew Bruff; Ned Godshall; Karen Evans

    2011-04-30

    This Final Scientific/ Technical Report submitted with respect to Project DE-FE0000833 titled 'An Integrated Water Treatment Technology Solution for Sustainable Water Resource Management in the Marcellus Shale' in support of final reporting requirements. This final report contains a compilation of previous reports with the most current data in order to produce one final complete document. The goal of this research was to provide an integrated approach aimed at addressing the increasing water resource challenges between natural gas production and other water stakeholders in shale gas basins. The objective was to demonstrate that the AltelaRain{reg_sign} technology could be successfully deployed in the Marcellus Shale Basin to treat frac flow-back water. That objective has been successfully met.

  15. 11:375:302 Syllabus page 1 11:375:302 Water and Wastewater Treatment

    E-Print Network [OSTI]

    Vetriani, Costantino

    Catalog Data: 11:375:302 ­Water and Wastewater Treatment This lecture course covers fundamental11:375:302 Syllabus page 1 11:375:302 ­ Water and Wastewater Treatment 3 credits; Fall Semester and emerging aspects of chemical, physical and biological processes used in the treatment of water

  16. www.barrandwray.com Barr + Wray 2013 The Treatment of Scottish Water

    E-Print Network [OSTI]

    Painter, Kevin

    or Spring. Sea Water e.g. Desal. of Marine & Brackish. Rain Water Harvesting. Recovery of Treated Wastewaterwww.barrandwray.com © Barr + Wray 2013 The Treatment of Scottish Water for Private Communities + Wray 2013 Contents B+W Overview Our Approach Water Sources Treatment Decision Trees Case Study

  17. Reverse osmosis (RO) treatment of Tucson's share of Central Arizona Project (CAP) water is being con-

    E-Print Network [OSTI]

    Fay, Noah

    Reverse osmosis (RO) treatment of Tucson's share of Central Arizona Project (CAP) water is being for RO Treatment of CAP Water PROJECT TEAM This Arizona Water Institute PROJECT FACT SHEET is part to treat CAP water and to minimize the amount of concentrate produced. More research and significant

  18. Coalbed Methane Procduced Water Treatment Using Gas Hydrate Formation at the Wellhead

    SciTech Connect (OSTI)

    BC Technologies

    2009-12-30

    Water associated with coalbed methane (CBM) production is a significant and costly process waste stream, and economic treatment and/or disposal of this water is often the key to successful and profitable CBM development. In the past decade, advances have been made in the treatment of CBM produced water. However, produced water generally must be transported in some fashion to a centralized treatment and/or disposal facility. The cost of transporting this water, whether through the development of a water distribution system or by truck, is often greater than the cost of treatment or disposal. To address this economic issue, BC Technologies (BCT), in collaboration with Oak Ridge National Laboratory (ORNL) and International Petroleum Environmental Consortium (IPEC), proposed developing a mechanical unit that could be used to treat CBM produced water by forming gas hydrates at the wellhead. This process involves creating a gas hydrate, washing it and then disassociating hydrate into water and gas molecules. The application of this technology results in three process streams: purified water, brine, and gas. The purified water can be discharged or reused for a variety of beneficial purposes and the smaller brine can be disposed of using conventional strategies. The overall objectives of this research are to develop a new treatment method for produced water where it could be purified directly at the wellhead, to determine the effectiveness of hydrate formation for the treatment of produced water with proof of concept laboratory experiments, to design a prototype-scale injector and test it in the laboratory under realistic wellhead conditions, and to demonstrate the technology under field conditions. By treating the water on-site, producers could substantially reduce their surface handling costs and economically remove impurities to a quality that would support beneficial use. Batch bench-scale experiments of the hydrate formation process and research conducted at ORNL confirmed the feasibility of the process. However, researchers at BCT were unable to develop equipment suitable for continuous operation and demonstration of the process in the field was not attempted. The significant achievements of the research area: Bench-scale batch results using carbon dioxide indicate >40% of the feed water to the hydrate formation reactor was converted to hydrate in a single pass; The batch results also indicate >23% of the feed water to the hydrate formation reactor (>50% of the hydrate formed) was converted to purified water of a quality suitable for discharge; Continuous discharge and collection of hydrates was achieved at atmospheric pressure. Continuous hydrate formation and collection at atmospheric conditions was the most significant achievement and preliminary economics indicate that if the unit could be made operable, it is potentially economic. However, the inability to continuously separate the hydrate melt fraction left the concept not ready for field demonstration and the project was terminated after Phase Two research.

  19. Investigating the fate of saxitoxins in biologically active water treatment plant filters

    SciTech Connect (OSTI)

    Kayal, N.; Newcombe, G.; Ho, L. [South Australian Water Corp., Salisbury, SA (Australia). Australian Water Quality Centre

    2008-12-15

    The saxitoxins are potent neurotoxins, which can be produced by freshwater cyanobacteria. This study assessed the fate of five saxitoxins variants through biologically active laboratory filters containing media sourced from the filters beds of two water treatment plants (WTPs). Decreases in the concentration of the less toxic variants coincided with increases in the concentrations of the more toxic variants through the filters containing anthracite sourced from two different WTPs. No changes in toxin concentrations were evident through parallel filters containing sand. The results strongly suggest that organisms within the biofilm of the anthracite filters possessed the ability to biotransform the saxitoxins variants, which has important implications for drinking water treatment, particularly since this has the potential to increase the toxicity of the filtered water.

  20. ILC Treatment of JLab Cavity Garners Exciting Result | Jefferson...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Cavity Garners Exciting Result Accelerator cavitiy HG-6 was electropolished with a recipe developed by ILC research and custom-tailored here at Jefferson Lab. Accelerator...

  1. Simulation of integrated pollutant removal (IPR) water-treatment system using ASPEN Plus

    SciTech Connect (OSTI)

    Harendra, Sivaram; Oryshcyhn, Danylo [U.S. DOE Ochs, Thomas [U.S. DOE Gerdemann, Stephen; Clark, John

    2013-01-01

    Capturing CO2 from fossil fuel combustion provides an opportunity for tapping a significant water source which can be used as service water for a capture-ready power plant and its peripherals. Researchers at the National Energy Technology Laboratory (NETL) have patented a process—Integrated Pollutant Removal (IPR®)—that uses off-the-shelf technology to produce a sequestration ready CO2 stream from an oxy-combustion power plant. Water condensed from oxy-combustion flue gas via the IPR system has been analyzed for composition and an approach for its treatment—for in-process reuse and for release—has been outlined. A computer simulation model in ASPEN Plus has been developed to simulate water treatment of flue gas derived wastewater from IPR systems. At the field installation, water condensed in the IPR process contains fly ash particles, sodium (largely from spray-tower buffering) and sulfur species as well as heavy metals, cations, and anions. An IPR wastewater treatment system was modeled using unit operations such as equalization, coagulation and flocculation, reverse osmosis, lime softening, crystallization, and pH correction. According to the model results, 70% (by mass) of the inlet stream can be treated as pure water, the other 20% yields as saleable products such as gypsum (CaSO4) and salt (NaCl) and the remaining portion is the waste. More than 99% of fly ash particles are removed in the coagulation and flocculation unit and these solids can be used as filler materials in various applications with further treatment. Results discussed relate to a slipstream IPR installation and are verified experimentally in the coagulation/flocculation step.

  2. New results on water in bulk, nanoconfined, and biological environments

    E-Print Network [OSTI]

    Stanley, H. Eugene

    contract as temperature decreases, liquid bulk water begins to expand when its temperature drops below 4°C remains at 4°C while colder layers of 0°C water "float" on top (cf.. Fig. 1 of Ref. [2]). The mysterious properties of liquid bulk water become more pronounced in the supercooled region below 0°C [3-5]. For example

  3. An Innovative System for the Efficient and Effective Treatment of Non-Traditional Waters for Reuse in Thermoelectric Power Generation

    SciTech Connect (OSTI)

    John Rodgers; James Castle

    2008-08-31

    This study assessed opportunities for improving water quality associated with coal-fired power generation including the use of non-traditional waters for cooling, innovative technology for recovering and reusing water within power plants, novel approaches for the removal of trace inorganic compounds from ash pond effluents, and novel approaches for removing biocides from cooling tower blowdown. This research evaluated specifically designed pilot-scale constructed wetland systems for treatment of targeted constituents in non-traditional waters for reuse in thermoelectric power generation and other purposes. The overall objective of this project was to decrease targeted constituents in non-traditional waters to achieve reuse criteria or discharge limitations established by the National Pollutant Discharge Elimination System (NPDES) and Clean Water Act (CWA). The six original project objectives were completed, and results are presented in this final technical report. These objectives included identification of targeted constituents for treatment in four non-traditional water sources, determination of reuse or discharge criteria for treatment, design of constructed wetland treatment systems for these non-traditional waters, and measurement of treatment of targeted constituents in non-traditional waters, as well as determination of the suitability of the treated non-traditional waters for reuse or discharge to receiving aquatic systems. The four non-traditional waters used to accomplish these objectives were ash basin water, cooling water, flue gas desulfurization (FGD) water, and produced water. The contaminants of concern identified in ash basin waters were arsenic, chromium, copper, mercury, selenium, and zinc. Contaminants of concern in cooling waters included free oxidants (chlorine, bromine, and peroxides), copper, lead, zinc, pH, and total dissolved solids. FGD waters contained contaminants of concern including arsenic, boron, chlorides, selenium, mercury, chemical oxygen demand (COD), and zinc. Similar to FGD waters, produced waters contained contaminants of concern that are predominantly inorganic (arsenic, cadmium, chlorides, chromium, copper, lead, mercury, nickel, sulfide, zinc, total dissolved solids), but also contained some organics (benzene, PAHs, toluene, total organic carbon, total suspended solids, and oil and grease). Constituents of concern that may cause chemical scaling, biofouling and corrosion, such as pH, hardness and ionic strength, and nutrients (P, K, and N) may also be found in all four non-traditional waters. NPDES permits were obtained for these non-traditional waters and these permit limits are summarized in tabular format within this report. These limits were used to establish treatment goals for this research along with toxicity values for Ceriodaphnia dubia, water quality criteria established by the US EPA, irrigation standards established by the United States Department of Agriculture (USDA), and reuse standards focused on minimization of damage to the power plant by treated waters. Constructed wetland treatment systems were designed for each non-traditional water source based on published literature reviews regarding remediation of the constituents of concern, biogeochemistry of the specific contaminants, and previous research. During this study, 4 non-traditional waters, which included ash basin water, cooling water, FGD water and produced water (PW) were obtained or simulated to measure constructed wetland treatment system performance. Based on data collected from FGD experiments, pilot-scale constructed wetland treatment systems can decrease aqueous concentrations of elements of concern (As, B, Hg, N, and Se). Percent removal was specific for each element, including ranges of 40.1% to 77.7% for As, 77.6% to 97.8% for Hg, 43.9% to 88.8% for N, and no measureable removal to 84.6% for Se. Other constituents of interest in final outflow samples should have aqueous characteristics sufficient for discharge, with the exception of chlorides (<2000 mg/L). Based on total dissolved solids, co-

  4. Evaluation of innovative arsenic treatment technologies :the arsenic water technology partnership vendors forums summary report.

    SciTech Connect (OSTI)

    Everett, Randy L.; Siegel, Malcolm Dean; McConnell, Paul E.; Kirby, Carolyn

    2006-09-01

    The lowering of the drinking water standard (MCL) for arsenic from 50 {micro}g/L to 10 {micro}g/L in January 2006 could lead to significant increases in the cost of water for many rural systems throughout the United States. The Arsenic Water Technology Partnership (AWTP), a collaborative effort of Sandia National Laboratories, the Awwa Research Foundation (AwwaRF) and WERC: A Consortium for Environmental Education and Technology Development, was formed to address this problem by developing and testing novel treatment technologies that could potentially reduce the costs of arsenic treatment. As a member of the AWTP, Sandia National Laboratories evaluated cutting-edge commercial products in three annual Arsenic Treatment Technology Vendors Forums held during the annual New Mexico Environmental Health Conferences (NMEHC) in 2003, 2004 and 2005. The Forums were comprised of two parts. At the first session, open to all conference attendees, commercial developers of innovative treatment technologies gave 15-minute talks that described project histories demonstrating the effectiveness of their products. During the second part, these same technologies were evaluated and ranked in closed sessions by independent technical experts for possible use in pilot-scale field demonstrations being conducted by Sandia National Laboratories. The results of the evaluations including numerical rankings of the products, links to company websites and copies of presentations made by the representatives of the companies are posted on the project website at http://www.sandia.gov/water/arsenic.htm. This report summarizes the contents of the website by providing brief descriptions of the technologies represented at the Forums and the results of the evaluations.

  5. Monitoring effective use of household water treatment and safe storage technologies in Ethiopia and Ghana

    E-Print Network [OSTI]

    Stevenson, Matthew M

    2009-01-01

    Household water treatment and storage (HWTS) technologies dissemination is beginning to scale-up to reach the almost 900 million people without access to an improved water supply (WHO/UNICEF/JMP, 2008). Without well-informed ...

  6. An Analysis of Likely Scalants in the Treatment of Produced Water from Nova Scotia

    E-Print Network [OSTI]

    Theil, Gregory P.

    A significant barrier to further use of hydraulic fracturing to recover shale oil and/or gas is the treatment and/or disposal of hypersaline produced water. This work is an analysis of produced water from Nova Scotia, with ...

  7. Determining the removal effectiveness of flame retardants from drinking water treatment processes

    E-Print Network [OSTI]

    Lin, Joseph C. (Joseph Chris), 1981-

    2004-01-01

    Low concentrations of xenobiotic chemicals have recently become a concern in the surface water environment. The concern expands to drinking water treatment processes, and whether or not they remove these chemicals while ...

  8. Household water treatment and safe storage options for Northern Region Ghana : consumer preference and relative cost

    E-Print Network [OSTI]

    Green, Vanessa (Vanessa Layton)

    2008-01-01

    A range of household water treatment and safe storage (HWTS) products are available in Northern Region Ghana which have the potential to significantly improve local drinking water quality. However, to date, the region has ...

  9. Removal of Engineered Nanomaterials Through Conventional Water Treatment Processes

    E-Print Network [OSTI]

    Honda, Ryan

    2014-01-01

    Silver Released into Water from Commercially Available SockStability of commercial metal oxide nanoparticles in water.Water Res. 2008, 42 (8-9), 2204-12. Crittenden, J. C. ;

  10. TREATMENT OF PRODUCED WATERS USING A SURFACTANT MODIFIED ZEOLITE/VAPOR PHASE BIOREATOR SYSTEM

    SciTech Connect (OSTI)

    LYNN E. KATZ; KERRY A. KINNEY; R.S. BOWMAN; E.J. SULLIVAN

    2003-10-01

    Co-produced water from the oil and gas industry is by some estimates the largest single waste stream in the country, aside from nonhazardous industrial wastes. Characteristics of produced water include high total dissolved solids content, dissolved organic constituents such as benzene and toluene, an oil and grease component, and chemicals added during the oil-production process. While most of the produced water is disposed via reinjection, some of them must be treated to remove organic constituents before the water is discharged. An efficient, cost-effective treatment technology is needed to remove these constituents. Surfactant-modified zeolite (SMZ) has been used successfully to treat contaminated ground water for organic and inorganic constituents. In addition, the low cost of natural zeolites makes their use attractive in water-treatment applications. Our previous DOE research work (DE-AC26-99BC15221) demonstrated that SMZ could successfully remove BTEX compounds from the produced water. In addition, SMZ could be regenerated through a simple air sparging process. The primary goal of this project is to develop a robust SMZ/VPB treatment system to efficiently remove the organic constituents from produced water in a cost-effective manner. This report summarizes work of this project from March 2003 through September 2003. We have continued our investigation of SMZ regeneration from our previous DOE project. Ten saturation/stripping cycles have been completed for SMZ columns saturated with BTEX compounds. The results suggest that BTEX sorption capacity is not lost after ten saturation/regeneration cycles. The composition of produced water from a site operated by Crystal Solutions Ltd. in Wyoming has been characterized and was used to identify key semi-volatile components. Isotherms with selected semi-volatile components have been initiated and preliminary results have been obtained. The experimental vapor phase bioreactors for this project have been designed and assembled to treat the off-gas from the SMZ regeneration process. These columns will be used both in the laboratory and in the proposed field testing to be conducted next year. Innocula for the columns that degrade all of the BTEX columns have been developed.

  11. NDMA Formation During Drinking Water Treatment: Veterinary Antibiotics as Precursors, the Effect of Natural Organic Matter and the Significance of Treatment Practices

    E-Print Network [OSTI]

    Roback, Shannon

    2015-01-01

    agricultural watershed. Desalination 226 (1–3):121-133. Ash,Nitrosodimethylamine. Desalination and Water Treatment 54 (

  12. Author's personal copy Modelling and automation of water and wastewater treatment processes

    E-Print Network [OSTI]

    Author's personal copy Preface Modelling and automation of water and wastewater treatment processes on the applications of modelling and automation to water and wastewater treatment processes. The session, under their profession, with automation figuring prominently among the new disciplines required to improve

  13. Short communication Control of brown rot of stone fruits by brief heated water immersion treatments

    E-Print Network [OSTI]

    Crisosto, Carlos H.

    Short communication Control of brown rot of stone fruits by brief heated water immersion treatments, this treatment reduced decay incidence from 100 to less than 5% on fruit stored at 20 C and from 73 to 28% on cold-stored fruit. Therefore, brief immersion in heated water can be an effective approach to manage

  14. CONSTRUCTED FARM WETLANDS (CFWs) FOR REMEDIATION OF FARMYARD RUNOFF: WATER TREATMENT EFFICIENCY, ECOLOGICAL

    E-Print Network [OSTI]

    CONSTRUCTED FARM WETLANDS (CFWs) FOR REMEDIATION OF FARMYARD RUNOFF: WATER TREATMENT EFFICIENCY higher than river water quality targets. Its ecological value is poor due to its high pollution and low, Aberdeen, AB15 8QH, UK E-mail: fabrice.gouriveau@ed.ac.uk Summary: This research evaluates the treatment

  15. EDI as a Treatment Module in Recycling Spent Rinse Waters

    SciTech Connect (OSTI)

    Donovan, Robert P.; Morrison, Dennis J.

    1999-08-11

    Recycling of the spent rinse water discharged from the wet benches commonly used in semiconductor processing is one tactic for responding to the targets for water usage published in the 1997 National Technology Roadmap for Semiconductors (NTRS). Not only does the NTRS list a target that dramatically reduces total water usage/unit area of silicon manufactured by the industry in the future but for the years 2003 and beyond, the NTRS actually touts goals which would have semiconductor manufacturers drawing less water from a regional water supply per unit area of silicon manufactured than the quantity of ultrapure water (UPW) used in the production of that same silicon. Achieving this latter NTRS target strongly implies more widespread recycling of spent rinse waters at semiconductor manufacturing sites. In spite of the fact that, by most metrics, spent rinse waters are of much higher purity than incoming municipal waters, recycling of these spent rinse waters back into the UPW production plant is not a simple, straightforward task. The rub is that certain of the chemicals used in semiconductor manufacturing, and thus potentially present in trace concentrations (or more) in spent rinse waters, are not found in municipal water supplies and are not necessarily removed by the conventional UPW production sequence used by semiconductor manufacturers. Some of these contaminants, unique to spent rinse waters, may actually foul the resins and membranes of the UPW system, posing a threat to UPW production and potentially even causing a shutdown.

  16. Household water treatment and safe storage product development in Ghana

    E-Print Network [OSTI]

    Yang, Shengkun, M. Eng. Massachusetts Institute of Technology

    2013-01-01

    Microbial and/or chemical contaminants can infiltrate into piped water systems, especially when the system is intermittent. Ghana has been suffering from aged and intermittent piped water networks, and an added barrier of ...

  17. Decentralized Wastewater Treatment for Distributed Water Reclamation and Reuse

    E-Print Network [OSTI]

    , United States *E-mail: jdrewes@mines.edu Cities worldwide are facing a growing water crisis,2013|doi:10.1021/bk-2013-1123.ch015 In Novel Solutions to Water Pollution; Ahuja, S., et al.; ACS Symposium

  18. Effective monitoring of non-chromate chemical treatment programs for refinery cooling systems using sewage water as make-up

    SciTech Connect (OSTI)

    AlMajnouni, A.D.; Jaffer, A.E. [Saudi Aramco, Dhahran (Saudi Arabia)

    1996-08-01

    Treated sewage water as make-up to the cooling tower requires novel approaches to control potential cooling water problems common to refineries besides meeting environmental regulations. An intensive field study was conducted to evaluate the effectiveness of non-chromate treatment programs. On-line cleaning of the exchangers occurred prior to instituting the new chemical treatment program. Low carbon steel corrosion rates with minimal deposition was achieved. Microbiological fouling was controlled with chlorination and non-oxidizing biocide program. Field results are presented which compare the efficacy of these proprietary treatments to control corrosion and inhibit scale and fouling. Analytical results which provide a comprehensive performance evaluation of a new non-chromate chemical treatment program are presented.

  19. Desalination and Water Treatment www.deswater.com

    E-Print Network [OSTI]

    are sought that can enhance water recovery, reduce energy demand, and improve sustainability without for enhancement of water recovery in desalination processes Tzahi Y. Cath Division of Environmental Science and to produce purified water. The main advantages of FO include operation at very low hydraulic pressures, high

  20. Treatment of Produced Water Using a Surfactant Modified Zeolite/Vapor Phase Bioreactor System

    SciTech Connect (OSTI)

    Lynn E. Katz; Kerry A. Kinney; Robert S. Bowman; Enid J. Sullivan; Soondong Kwon; Elaine B. Darby; Li-Jung Chen; Craig R. Altare

    2006-01-31

    Co-produced water from the oil and gas industry accounts for a significant waste stream in the United States. Produced waters typically contain a high total dissolved solids content, dissolved organic constituents such as benzene and toluene, an oil and grease component as well as chemicals added during the oil-production process. It has been estimated that a total of 14 billion barrels of produced water were generated in 2002 from onshore operations (Veil, 2004). Although much of this produced water is disposed via reinjection, environmental and cost considerations can make surface discharge of this water a more practical means of disposal. In addition, reinjection is not always a feasible option because of geographic, economic, or regulatory considerations. In these situations, it may be desirable, and often necessary from a regulatory viewpoint, to treat produced water before discharge. It may also be feasible to treat waters that slightly exceed regulatory limits for re-use in arid or drought-prone areas, rather than losing them to reinjection. A previous project conducted under DOE Contract DE-AC26-99BC15221 demonstrated that surfactant modified zeolite (SMZ) represents a potential treatment technology for produced water containing BTEX. Laboratory and field experiments suggest that: (1) sorption of benzene, toluene, ethylbenzene and xylenes (BTEX) to SMZ follows linear isotherms in which sorption increases with increasing solute hydrophobicity; (2) the presence of high salt concentrations substantially increases the capacity of the SMZ for BTEX; (3) competitive sorption among the BTEX compounds is negligible; and, (4) complete recovery of the SMZ sorption capacity for BTEX can be achieved by air sparging the SMZ. This report summarizes research for a follow on project to optimize the regeneration process for multiple sorption/regeneration cycles, and to develop and incorporate a vapor phase bioreactor (VPB) system for treatment of the off-gas generated during air sparging. To this end, we conducted batch and column laboratory SMZ and VPB experiments with synthetic and actual produced waters. Based on the results of the laboratory testing, a pilot scale study was designed and conducted to evaluate the combined SMZ/VPB process. An economic and regulatory feasibility analysis was also completed as part of the current study to assess the viability of the process for various water re-use options.

  1. Regular Articles Coalbed methane produced water screening tool for treatment technology

    E-Print Network [OSTI]

    Colorado School of Mines, Golden, CO 80401, United States a r t i c l e i n f o Article history: Received 8: Produced water Beneficial use Environment Treatment costs Coal bed methane a b s t r a c t Produced water), produced water is pumped to the surface during well development and pro- duction, dewatering the formation

  2. Desalination and Water Treatment 16 (2010) 339353 www.deswater.com April

    E-Print Network [OSTI]

    Lienhard V, John H.

    2010-01-01

    subsystems: (a) an air and/or the water heater, which can use the solar energy; (b) a humidifierDesalination and Water Treatment 16 (2010) 339­353 www.deswater.com April 1944 technology for small-scale water production applications. There are several embodiments of this technology

  3. Modeling Urban Storm-Water Quality Treatment: Model Development and Application to a Surface Sand Filter

    E-Print Network [OSTI]

    management; Urban areas; Hydraulic models; Sand, filter; Parameters; Estimation; Water treatment. Author and nutrient removal is often low. Water quality performance of the sand filter can be evaluated by comparing a surface sand filter. If the water quality attributes of the sand filter can be confidently mod- eled

  4. Oil removal for produced water treatment and micellar cleaning of ultrafiltration membranes 

    E-Print Network [OSTI]

    Beech, Scott Jay

    2006-10-30

    Produced water is a major waste produced from oil and natural gas wells in the state of Texas. This water could be a possible source of new fresh water to meet the growing demands of the state after treatment and purification. This thesis describes...

  5. Microsoft Word - WaterTreatmentBuilding_20110428.doc

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Suzanne Heaston, Bechtel National, Inc., (509) 371-2329 Carrie Meyer, Department of Energy, (509) 372-0810 Richland, Wash. -- Recently, crews at the Hanford Waste Treatment...

  6. Analysis of deformed palladium cathodes resulting from heavy water electrolysis

    SciTech Connect (OSTI)

    An, H.K.; Jeong, E.J.; Hong, J.H.; Lee, Y.

    1995-07-01

    Earlier experiments suggested that large differences in heat release between the two sides of a palladium electrode coated with gold on one side and manganese oxide on the other cause observed electrode deformation with high-pressure D{sub 2} gas loading in an electrolysis-like cell. Similar experiments were repeated using heavy water electrolysis. Palladium/titanium coatings on one side and gold coating on the other were made for the preparation of the palladium electrodes. Biaxial bending, partial discoloration, and microcracks of palladium electrodes were observed after 18 days of electrolysis. Analysis of the deformed palladium cathodes was performed. It was discovered that to convert this configuration to a practical energy-producing cell, a coating technique must be found to reduce outward diffusion of deuterium, i.e., to maintain a high D/Pd ratio over longer periods of time. 33 refs., 7 figs., 1 tab.

  7. Hydrogen Sulfide in Drinking Water: Causes and Treatment Alternatives 

    E-Print Network [OSTI]

    McFarland, Mark L.; Provin, Tony

    1999-06-15

    If drinking water has a nuisance "rotten egg odor, it contains hydrogen sulfide. This leaflet discusses how hydrogen sulfide is formed and how the problem can be corrected....

  8. 1.85 Water and Wastewater Treatment Engineering, Spring 2005

    E-Print Network [OSTI]

    Shanahan, Peter

    Theory and design of systems for treating industrial and municipal wastewater and potable water supplies. Methods for characterizing wastewater properties. Physical, chemical, and biological processes, including primary ...

  9. Treatment of Difficult Waters: Arsenic Removal Silica Control...

    Office of Scientific and Technical Information (OSTI)

    of Difficult Waters: Arsenic Removal Silica Control Carbon Capture and Enhanced Oil Recovery. Brady, Patrick Vane Abstract not provided. Sandia National Laboratories...

  10. Carbon Capture and Water Emissions Treatment System (CCWESTRS) at Fossil-Fueled Electric Generating Plants

    SciTech Connect (OSTI)

    P. Alan Mays; Bert R. Bock; Gregory A. Brodie; L. Suzanne Fisher; J. Devereux Joslin; Donald L. Kachelman; Jimmy J. Maddox; N. S. Nicholas; Larry E. Shelton; Nick Taylor; Mark H. Wolfe; Dennis H. Yankee; John Goodrich-Mahoney

    2005-08-30

    The Tennessee Valley Authority (TVA), the Electric Power Research Institute (EPRI), and the Department of Energy-National Energy Technologies Laboratory (DOE-NETL) are evaluating and demonstrating integration of terrestrial carbon sequestration techniques at a coal-fired electric power plant through the use of Flue Gas Desulfurization (FGD) system gypsum as a soil amendment and mulch, and coal fly ash pond process water for periodic irrigation. From January to March 2002, the Project Team initiated the construction of a 40 ha Carbon Capture and Water Emissions Treatment System (CCWESTRS) near TVA's Paradise Fossil Plant on marginally reclaimed surface coal mine lands in Kentucky. The CCWESTRS is growing commercial grade trees and cover crops and is expected to sequester 1.5-2.0 MT/ha carbon per year over a 20-year period. The concept could be used to meet a portion of the timber industry's needs while simultaneously sequestering carbon in lands which would otherwise remain non-productive. The CCWESTRS includes a constructed wetland to enhance the ability to sequester carbon and to remove any nutrients and metals present in the coal fly ash process water runoff. The CCWESTRS project is a cooperative effort between TVA, EPRI, and DOE-NETL, with a total budget of $1,574,000. The proposed demonstration project began in October 2000 and has continued through December 2005. Additional funding is being sought in order to extend the project. The primary goal of the project is to determine if integrating power plant processes with carbon sequestration techniques will enhance carbon sequestration cost-effectively. This goal is consistent with DOE objectives to provide economically competitive and environmentally safe options to offset projected growth in U.S. baseline emissions of greenhouse gases after 2010, achieve the long-term goal of $10/ton of avoided net costs for carbon sequestration, and provide half of the required reductions in global greenhouse gases by 2025. Other potential benefits of the demonstration include developing a passive technology for water treatment for trace metal and nutrient release reductions, using power plant by-products to improve coal mine land reclamation and carbon sequestration, developing wildlife habitat and green-space around production facilities, generating Total Maximum Daily Load (TMDL) credits for the use of process water, and producing wood products for use by the lumber and pulp and paper industry. Project activities conducted during the five year project period include: Assessing tree cultivation and other techniques used to sequester carbon; Project site assessment; Greenhouse studies to determine optimum plant species and by-product application; Designing, constructing, operating, monitoring, and evaluating the CCWESTRS system; and Reporting (ongoing). The ability of the system to sequester carbon will be the primary measure of effectiveness, measured by accessing survival and growth response of plants within the CCWESTRS. In addition, costs associated with design, construction, and monitoring will be evaluated and compared to projected benefits of other carbon sequestration technologies. The test plan involves the application of three levels each of two types of power plant by-products--three levels of FGD gypsum mulch, and three levels of ash pond irrigation water. This design produces nine treatment levels which are being tested with two species of hardwood trees (sweet gum and sycamore). The project is examining the effectiveness of applications of 0, 8-cm, and 15-cm thick gypsum mulch layers and 0, 13 cm, and 25 cm of coal fly ash water for irrigation. Each treatment combination is being replicated three times, resulting in a total of 54 treatment plots (3 FGD gypsum levels X 3 irrigation water levels x 2 tree species x 3 replicates). Survival and growth response of plant species in terms of sequestering carbon in plant material and soil will be the primary measure of effectiveness of each treatment. Additionally, the ability of the site soils and unsaturated zone subsurface m

  11. Boiler System Efficiency Improves with Effective Water Treatment 

    E-Print Network [OSTI]

    Bloom, D.

    1999-01-01

    efficiency. Condensate which is contaminated with corrosion products or process chemicals, however, is ill fit for reuse; and steam which leaks from piping, valves, traps and connections cannot be recovered. Effective chemical treatment, in conjunction...

  12. Analysis of Desalination Processes for Treatment of Produced Water for Re-use as Irrigation Water 

    E-Print Network [OSTI]

    Bradt, Laura

    2012-04-20

    options in desalination plants include chemical, physical, and biological methods to create water for consumption and use. This research project defines the contaminants found in produced water and develops two oilfield water hypothetical cases. A...

  13. Treatment of arsenic-contaminated water using akaganeite adsorption

    DOE Patents [OSTI]

    Cadena C., Fernando (Las Cruces, NM); Johnson, Michael D. (Las Cruces, NM)

    2008-01-01

    The present invention comprises a method and composition using akaganeite, an iron oxide, as an ion adsorption medium for the removal of arsenic from water and affixing it onto carrier media so that it can be used in filtration systems.

  14. ANAEROBIC BIOLOGICAL TREATMENT OF IN-SITU RETORT WATER

    E-Print Network [OSTI]

    Ossio, Edmundo

    2012-01-01

    29,000 mg/1 nil a Source of sludge: City of Richmond WaterYen assessed the activated sludge process for the treatmentstudies using a digested sludge seed from a municipal

  15. Chemical Treatment Fosters Zero Discharge by Making Cooling Water Reusable 

    E-Print Network [OSTI]

    Boffardi, B. P.

    1996-01-01

    controlled by adding sulfuric acid to convert the scale to calcium sulfate, which is more soluble. Because fluctuations in the acid feed rate can produce variability in pH levels, which can accelerate corrosion, close control of feed is essential. More... blowdown. Foulants Foulants are water-borne deposits that can settle on heat-transfer equipment and interfere with cooling water flow, as well as stimulate corrosion. They include such diverse substances as particulate matter scrubbed from air...

  16. Properties and potential uses of water treatment sludge from the Neches River of southeast Texas 

    E-Print Network [OSTI]

    Kan, Weiqun

    1995-01-01

    Land application of water treatment plant (WTP) sludge has been an unsolved problem. The objectives of this study were (1) to investigate characteristics of organic polymer sludge, and (2) to determine the effects of the sludge on soil properties...

  17. A performance comparison of individual and combined treatment modules for water recycling 

    E-Print Network [OSTI]

    Khan, Stuart; Wintgens, Thomas; Sherman, Paul; Zaricky, Jan; Schäfer, Andrea

    2005-01-01

    An Advanced Water Recycling Demonstration Plant (AWRDP) was commissioned and constructed by the Queensland State Government in Australia. The AWRDP was used to study the effectiveness of a variety treatment processes in ...

  18. Assessment of sludge management options in a waste water treatment plant

    E-Print Network [OSTI]

    Lim, Jong hyun, M. Eng. Massachusetts Institute of Technology

    2012-01-01

    This thesis is part of a larger project which began in response to a request by the Spanish water agengy, Cadagua, for advice on life cycle assessment (LCA) and environmental impacts of Cadagua operated wastewater treatment ...

  19. TEX-A-SYST: Reducing the Risk of Ground Water Contamination by Improving Household Wastewater Treatment 

    E-Print Network [OSTI]

    Harris, Bill L.; Hoffman, D.; Mazac Jr., F. J.

    1997-08-29

    Household wastewater treatment systems (septic systems) can contaminate ground water unless they are properly designed, constructed and maintained. This publication describes various kinds of systems and guides the homeowner in assessing...

  20. On the Use, and Reuse, of Polymers for the Treatment of Hydrocarbon Contaminated Water Via a Solidliquid Partitioning Bioreactor

    E-Print Network [OSTI]

    Daugulis, Andrew J.

    On the Use, and Reuse, of Polymers for the Treatment of Hydrocarbon Contaminated Water Via a Solid solution for treatment of diesel contaminated water. The lit- erature contains numerous reports describing strategy for the treatment of die- sel contaminated water by combining the advantage

  1. A multiplicity result for solitary gravitycapillary waves in deep water via criticalpoint theory

    E-Print Network [OSTI]

    Bath, University of

    A multiplicity result for solitary gravity­capillary waves in deep water via critical­point theory considers the existence of solitary­wave solutions to the classical water­wave problem, which concerns of the water and the velocity of the solitary wave. Intro­ ducing dimensionless variables, one finds

  2. Water Treatment in Oil and Gas Production | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home RoomPreservationBio-Inspired SolarAbout /Two0Photos and Videos/01/2012 Page 1Water PowerWater

  3. Analysis of micromixers and biocidal coatings on water-treatment membranes to minimize biofouling.

    SciTech Connect (OSTI)

    Webb, Stephen W.; James, Darryl L.; Hibbs, Michael R.; Jones, Howland D. T.; Hart, William Eugene; Khalsa, Siri Sahib; Altman, Susan Jeanne; Clem, Paul Gilbert; Elimelech, Menachem; Cornelius, Christopher James; Sanchez, Andres L.; Noek, Rachael M.; Ho, Clifford Kuofei; Kang, Seokatae; Sun, Amy Cha-Tien; Adout, Atar; McGrath, Lucas K.; Cappelle, Malynda A.; Cook, Adam W.

    2009-12-01

    Biofouling, the unwanted growth of biofilms on a surface, of water-treatment membranes negatively impacts in desalination and water treatment. With biofouling there is a decrease in permeate production, degradation of permeate water quality, and an increase in energy expenditure due to increased cross-flow pressure needed. To date, a universal successful and cost-effect method for controlling biofouling has not been implemented. The overall goal of the work described in this report was to use high-performance computing to direct polymer, material, and biological research to create the next generation of water-treatment membranes. Both physical (micromixers - UV-curable epoxy traces printed on the surface of a water-treatment membrane that promote chaotic mixing) and chemical (quaternary ammonium groups) modifications of the membranes for the purpose of increasing resistance to biofouling were evaluated. Creation of low-cost, efficient water-treatment membranes helps assure the availability of fresh water for human use, a growing need in both the U. S. and the world.

  4. Prevalence and Treatment Management of Oropharyngeal Candidiasis in Cancer Patients: Results of the French Candidoscope Study

    SciTech Connect (OSTI)

    Gligorov, Joseph [APHP Tenon, APREC, University Paris VI, Paris (France); Bastit, Laurent [Centre Frederic Joliot, Rouen (France); Gervais, Honorine [Hopital Saint Antoine, Paris (France); Henni, Mehdi [Hopital Europeen Georges Pompidou, Paris (France); Kahila, Widad [Centre Jean Perrin, Clermont-Ferrand (France); Lepille, Daniel [Clinique Chirurgicale Pasteur, Evreux (France); Luporsi, Elisabeth [Centre Alexis Vautrin, Vandoeuvre-les-Nancy (France); Sasso, Giuseppe [Centre Medical Forcilles, Ferolles-Attily (France); Varette, Charles [Centre Hospitalier Prive Claude Galien, Quincy-sous-Senart (France); Azria, David, E-mail: David.Azria@valdorel.fnclcc.f [Crlc Val d'Aurelle, Inserm U860, Universite Montpellier I, Montpellier (France)

    2011-06-01

    Purpose: The aim of this pharmaco-epidemiological study was to evaluate the prevalence of oropharyngeal candidiasis (OPC) in cancer patients treated with chemotherapy and/or radiotherapy. Methods and Materials: Signs and symptoms of OPC were noted for all patients. Antifungal therapeutic management was recorded in OPC patients. Patients receiving local antifungal treatments were monitored until the end of treatment. Results: Enrolled in the study were 2,042 patients with solid tumor and/or lymphoma treated with chemotherapy and/or another systemic cancer treatment and/or radiotherapy. The overall prevalence of OPC was 9.6% (95% confidence interval, 8.4%-11.0%]in this population. It was most frequent in patients treated with combined chemoradiotherapy (22.0%) or with more than two cytotoxic agents (16.9%). Local antifungal treatments were prescribed in 75.0% of OPC patients as recommended by guidelines. The compliance to treatment was higher in patients receiving once-daily miconazole mucoadhesive buccal tablet (MBT; 88.2%) than in those treated with several daily mouthwashes of amphotericin B (40%) or nystatin (18.8%). Conclusion: OPC prevalence in treated cancer patients was high. Local treatments were usually prescribed as per guidelines. Compliance to local treatments was better with once-daily drugs.

  5. Trends in Hydraulic Fracturing Distributions and Treatment Fluids, Additives, Proppants, and Water Volumes Applied to

    E-Print Network [OSTI]

    Trends in Hydraulic Fracturing Distributions and Treatment Fluids, Additives, Proppants, and Water.S. Geological Survey #12;Cover photos. U.S. hydraulic fracturing operation (front and back covers). Photos courtesy of Mark Engle, U.S. Geological Survey. #12;Trends in Hydraulic Fracturing Distributions

  6. The fate of residual treatment water in gas shale Terry Engelder a,

    E-Print Network [OSTI]

    Engelder, Terry

    The fate of residual treatment water in gas shale Terry Engelder a, , Lawrence M. Cathles b , L Marcellus Gas shale Osmosis-diffusion a b s t r a c t More than 2 Â 104 m3 of water containing additives is commonly injected into a typical horizontal well in gas shale to open fractures and allow gas recovery

  7. Radioactive Water Treatment at a United States Environmental Protection Agency Superfund Site - 12322

    SciTech Connect (OSTI)

    Beckman, John C.

    2012-07-01

    A water treatment system at a United States Environmental Protection Agency (USEPA) Superfund site impacted by radiological contaminants is used to treat water entering the site. The United States Army Corps of Engineers (USACE) is actively managing the remedial action for the USEPA using contracts to support the multiple activities on site. The site is where former gas mantle production facilities operated around the turn of the century. The manufacturing facilities used thorium ores to develop the mantles and disposed of off-specification mantles and ore residuals in the surrounding areas. During Site remedial actions, both groundwater and surface water comes into contact with contaminated soils and must be collected and treated at an on-site treatment facility. The radionuclides thorium and radium with associated progeny are the main concern for treatment. Suspended solids, volatile organic compounds, and select metals are also monitored during water treatment. The water treatment process begins were water is pumped to a collection tank where debris and grit settle out. Stored water is pumped to a coagulant tank containing poly-aluminum chloride to collect dissolved solids. The water passes into a reaction tube where aspirated air is added or reagent added to remove Volatile Organic Compounds (VOC'S) by mass transfer and convert dissolved iron to a solid. The water enters the flocculent polymer tank to drop solids out. The flocculated water overflows to a fluidized bed contact chamber to increase precipitation. Flocculation is where colloids of material drop out of suspension and settle. The settled solids are periodically removed and disposed of as radioactive waste. The water is passed through filters and an ion exchange process to extract the radionuclides. Several million liters of water are processed each year from two water treatment plants servicing different areas of the remediation site. Ion exchange resin and filter material are periodically replaced and disposed of as radioactive waste. A total of 0.85 m{sup 3} of waste sludge per year requires disposal on average, in addition to another 6.6 m{sup 3} of waste cartridge filters. All water discharges are regulated by a state of New Jersey Pollutant Discharge Elimination System Permit implemented by the Federal Water Pollution Control Act (Clean Water Act). Laboratory analyses are required to satisfy requirements of the state NPDES permit. Specific monitoring parameters and discharge rates will be provided. Use of the water treatment systems drastically reduces the amount of contaminated water requiring solidification and water disposal to near zero. Millions of liters of potentially contaminated water from excavation activities is treated and released within permit limits. A small volume of solid radioactive waste (21 cubic meters) is generated annually from water treatment process operations. Management of ground and surface water is effectively controlled in remediation areas by the use of sumps, erosion control measures and pumping of water to storage vessels. Continued excavations can be made as water impacting the site is effectively controlled. (authors)

  8. Microbial fuel cell treatment of ethanol fermentation process water

    DOE Patents [OSTI]

    Borole, Abhijeet P. (Knoxville, TN)

    2012-06-05

    The present invention relates to a method for removing inhibitor compounds from a cellulosic biomass-to-ethanol process which includes a pretreatment step of raw cellulosic biomass material and the production of fermentation process water after production and removal of ethanol from a fermentation step, the method comprising contacting said fermentation process water with an anode of a microbial fuel cell, said anode containing microbes thereon which oxidatively degrade one or more of said inhibitor compounds while producing electrical energy or hydrogen from said oxidative degradation, and wherein said anode is in electrical communication with a cathode, and a porous material (such as a porous or cation-permeable membrane) separates said anode and cathode.

  9. Use of Treated Municipal Wastewater as Power Plant Cooling System Makeup Water: Tertiary Treatment versus Expanded Chemical Regimen for Recirculating Water Quality Management

    SciTech Connect (OSTI)

    David Dzombak; Radisav Vidic; Amy Landis

    2012-06-30

    Treated municipal wastewater is a common, widely available alternative source of cooling water for thermoelectric power plants across the U.S. However, the biodegradable organic matter, ammonia-nitrogen, carbonate and phosphates in the treated wastewater pose challenges with respect to enhanced biofouling, corrosion, and scaling, respectively. The overall objective of this study was to evaluate the benefits and life cycle costs of implementing tertiary treatment of secondary treated municipal wastewater prior to use in recirculating cooling systems. The study comprised bench- and pilot-scale experimental studies with three different tertiary treated municipal wastewaters, and life cycle costing and environmental analyses of various tertiary treatment schemes. Sustainability factors and metrics for reuse of treated wastewater in power plant cooling systems were also evaluated. The three tertiary treated wastewaters studied were: secondary treated municipal wastewater subjected to acid addition for pH control (MWW_pH); secondary treated municipal wastewater subjected to nitrification and sand filtration (MWW_NF); and secondary treated municipal wastewater subjected nitrification, sand filtration, and GAC adsorption (MWW_NFG). Tertiary treatment was determined to be essential to achieve appropriate corrosion, scaling, and biofouling control for use of secondary treated municipal wastewater in power plant cooling systems. The ability to control scaling, in particular, was found to be significantly enhanced with tertiary treated wastewater compared to secondary treated wastewater. MWW_pH treated water (adjustment to pH 7.8) was effective in reducing scale formation, but increased corrosion and the amount of biocide required to achieve appropriate biofouling control. Corrosion could be adequately controlled with tolytriazole addition (4-5 ppm TTA), however, which was the case for all of the tertiary treated waters. For MWW_NF treated water, the removal of ammonia by nitrification helped to reduce the corrosivity and biocide demand. Also, the lower pH and alkalinity resulting from nitrification reduced the scaling to an acceptable level, without the addition of anti-scalant chemicals. Additional GAC adsorption treatment, MWW_NFG, yielded no net benefit. Removal of organic matter resulted in pitting corrosion in copper and cupronickel alloys. Negligible improvement was observed in scaling control and biofouling control. For all of the tertiary treatments, biofouling control was achievable, and most effectively with pre-formed monochloramine (2-3 ppm) in comparison with NaOCl and ClO2. Life cycle cost (LCC) analyses were performed for the tertiary treatment systems studied experimentally and for several other treatment options. A public domain conceptual costing tool (LC3 model) was developed for this purpose. MWW_SF (lime softening and sand filtration) and MWW_NF were the most cost-effective treatment options among the tertiary treatment alternatives considered because of the higher effluent quality with moderate infrastructure costs and the relatively low doses of conditioning chemicals required. Life cycle inventory (LCI) analysis along with integration of external costs of emissions with direct costs was performed to evaluate relative emissions to the environment and external costs associated with construction and operation of tertiary treatment alternatives. Integrated LCI and LCC analysis indicated that three-tiered treatment alternatives such as MWW_NSF and MWW_NFG, with regular chemical addition for treatment and conditioning and/or regeneration, tend to increase the impact costs and in turn the overall costs of tertiary treatment. River water supply and MWW_F alternatives with a single step of tertiary treatment were associated with lower impact costs, but the contribution of impact costs to overall annual costs was higher than all other treatment alternatives. MWW_NF and MWW_SF alternatives exhibited moderate external impact costs with moderate infrastructure and chemical conditioner dosing, which makes them (especially

  10. Water Treatment System Cleans Marcellus Shale Wastewater | Department of

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirley Ann Jackson About1996HowFOAShowingFuel EfficiencyWashington ,Water HeatingAboutEnergy

  11. Steam treatment of surface soil: how does it affect water-soluble organic matter, C mineralization, and bacterial community composition?

    E-Print Network [OSTI]

    Roux-Michollet, Dad; Dudal, Yves; Jocteur-Monrozier, Lucile; Czarnes, Sonia

    2010-01-01

    organic components Water extraction was performed by shakingresulting from hot water extraction, as measured by Sparlingboiling soil in water resulted in the extraction of both

  12. Particle count monitoring of reverse osmosis water treatment for removal of low-level radionuclides

    SciTech Connect (OSTI)

    Moritz, E.J.; Hoffman, C.R.; Hergert, T.R.

    1995-03-01

    Laser diode particle counting technology and analytical measurements were used to evaluate a pilot-scale reverse osmosis (RO) water treatment system for removal of particulate matter and sub-picocurie low-level radionuclides. Stormwater mixed with Waste Water Treatment Plant (WWTP) effluent from the Rocky Flats Environmental Technology Site (RFETS), formerly a Department of Energy (DOE) nuclear weapons production facility, were treated. No chemical pretreatment of the water was utilized during this study. The treatment system was staged as follows: multimedia filtration, granular activated carbon adsorption, hollow tube ultrafiltration, and reverse osmosis membrane filtration. Various recovery rates and two RO membrane models were tested. Analytical measurements included total suspended solids (TSS), total dissolved solids (TDS), gross alpha ({alpha}) and gross beta ({beta}) activity, uranium isotopes {sup 233/234}U and {sup 238}U, plutonium {sup 239/240}Pu, and americium {sup 241}Am. Particle measurement between 1--150 microns ({mu}) included differential particle counts (DPC), and total particle counts (TPC) before and after treatment at various sampling points throughout the test. Performance testing showed this treatment system produced a high quality effluent in clarity and purity. Compared to raw water levels, TSS was reduced to below detection of 5 milligrams per liter (mg/L) and TDS reduced by 98%. Gross {alpha} was essentially removed 100%, and gross {beta} was reduced an average of 94%. Uranium activity was reduced by 99%. TPC between 1-150{mu} were reduced by an average 99.8% to less than 1,000 counts per milliliter (mL), similar in purity to a good drinking water treatment plant. Raw water levels of {sup 239/240}Pu and {sup 241}Am were below reliable quantitation limits and thus no removal efficiencies could be determined for these species.

  13. Dewatering Treatment Scale-up Testing Results of Hanford Tank Wastes

    SciTech Connect (OSTI)

    Tedeschi, A.R.; May, T.H.; Bryan, W.E.

    2008-07-01

    This report documents CH2M HILL Hanford Group Inc. (CH2M HILL) 2007 dryer testing results in Richland, WA at the AMEC Nuclear Ltd., GeoMelt Division (AMEC) Horn Rapids Test Site. It provides a discussion of scope and results to qualify the dryer system as a viable unit-operation in the continuing evaluation of the bulk vitrification process. A 10,000 liter (L) dryer/mixer was tested for supplemental treatment of Hanford tank low activity wastes, drying and mixing a simulated non-radioactive salt solution with glass forming minerals. Testing validated the full scale equipment for producing dried product similar to smaller scale tests, and qualified the dryer system for a subsequent integrated dryer/vitrification test using the same simulant and glass formers. The dryer system is planned for installation at the Hanford tank farms to dry/mix radioactive waste for final treatment evaluation of the supplemental bulk vitrification process. (authors)

  14. DEWATERING TREATMENT SCALE-UP TESTING RESULTS OF HANFORD TANK WASTES

    SciTech Connect (OSTI)

    TEDESCHI AR

    2008-01-23

    This report documents CH2M HILL Hanford Group Inc. (CH2M HILL) 2007 dryer testing results in Richland, WA at the AMEC Nuclear Ltd., GeoMelt Division (AMEC) Horn Rapids Test Site. It provides a discussion of scope and results to qualify the dryer system as a viable unit-operation in the continuing evaluation of the bulk vitrification process. A 10,000 liter (L) dryer/mixer was tested for supplemental treatment of Hanford tank low-activity wastes, drying and mixing a simulated non-radioactive salt solution with glass forming minerals. Testing validated the full scale equipment for producing dried product similar to smaller scale tests, and qualified the dryer system for a subsequent integrated dryer/vitrification test using the same simulant and glass formers. The dryer system is planned for installation at the Hanford tank farms to dry/mix radioactive waste for final treatment evaluation of the supplemental bulk vitrification process.

  15. Biofouling-resistant ceragenin-modified materials and structures for water treatment

    DOE Patents [OSTI]

    Hibbs, Michael; Altman, Susan J.; Jones, Howland D. T.; Savage, Paul B.

    2013-09-10

    This invention relates to methods for chemically grafting and attaching ceragenin molecules to polymer substrates; methods for synthesizing ceragenin-containing copolymers; methods for making ceragenin-modified water treatment membranes and spacers; and methods of treating contaminated water using ceragenin-modified treatment membranes and spacers. Ceragenins are synthetically produced antimicrobial peptide mimics that display broad-spectrum bactericidal activity. Alkene-functionalized ceragenins (e.g., acrylamide-functionalized ceragenins) can be attached to polyamide reverse osmosis membranes using amine-linking, amide-linking, UV-grafting, or silane-coating methods. In addition, silane-functionalized ceragenins can be directly attached to polymer surfaces that have free hydroxyls.

  16. Methods for attaching polymerizable ceragenins to water treatment membranes using amine and amide linkages

    DOE Patents [OSTI]

    Hibbs, Michael; Altman, Susan J.; Jones, Howland D.T.; Savage, Paul B.

    2013-10-15

    This invention relates to methods for chemically grafting and attaching ceragenin molecules to polymer substrates; methods for synthesizing ceragenin-containing copolymers; methods for making ceragenin-modified water treatment membranes and spacers; and methods of treating contaminated water using ceragenin-modified treatment membranes and spacers. Ceragenins are synthetically produced antimicrobial peptide mimics that display broad-spectrum bactericidal activity. Alkene-functionalized ceragenins (e.g., acrylamide-functionalized ceragenins) can be attached to polyamide reverse osmosis membranes using amine-linking, amide-linking, UV-grafting, or silane-coating methods. In addition, silane-functionalized ceragenins can be directly attached to polymer surfaces that have free hydroxyls.

  17. Methods for attaching polymerizable ceragenins to water treatment membranes using silane linkages

    DOE Patents [OSTI]

    Hibbs, Michael; Altman, Susan J.; Jones, Howland D. T.; Savage, Paul B.

    2013-09-10

    This invention relates to methods for chemically grafting and attaching ceragenin molecules to polymer substrates; methods for synthesizing ceragenin-containing copolymers; methods for making ceragenin-modified water treatment membranes and spacers; and methods of treating contaminated water using ceragenin-modified treatment membranes and spacers. Ceragenins are synthetically produced antimicrobial peptide mimics that display broad-spectrum bactericidal activity. Alkene-functionalized ceragenins (e.g., acrylamide-functionalized ceragenins) can be attached to polyamide reverse osmosis membranes using amine-linking, amide-linking, UV-grafting, or silane-coating methods. In addition, silane-functionalized ceragenins can be directly attached to polymer surfaces that have free hydroxyls.

  18. Chemical drinking water quality in Ghana: Water costs and scope for advanced treatment 

    E-Print Network [OSTI]

    Rossiter, Helfrid M.A.; Owusu, Peter A; Awuah, Esi; MacDonald, Alan M; Schäfer, Andrea

    2010-01-01

    To reduce child mortality and improve health in Ghana boreholes and wells are being installed across the country by the private sector, NGOs and the Ghanaian government. Water quality is not generally monitored once a ...

  19. Evaluation of surface water treatment and discharge options for the Weldon Spring Site Remedial Action Project

    SciTech Connect (OSTI)

    Goyette, M.L.; MacDonell, M.M.

    1992-09-01

    The US Department of Energy (DOE), under its Environmental Restoration and Waste Management Program, is responsible for conducting response actions at the Weldon Spring site in St. Charles County, Missouri. The site consists of two noncontiguous areas: (1) the chemical plant area, which includes four raffinate pits and two small ponds, and (2) a 3.6-ha (9-acre) quarry located about 6.4 km (4 mi) southwest of the chemical plant area. Both of these areas became chemically and radioactively contaminated as a result of processing and disposal activities that took place from the 1940s through 1960s. The Weldon Spring site, located about 48 km (30 mi) west of St. Louis, is listed on the National Priorities List of the US Environmental Protection Agency. Nitroaromatic explosives were processed by the Army at the chemical plant area during the 1940s, and radioactive materials were processed by DOE`s predecessor agency (the Atomic Energy Commission) during the 1950s and 1960s. Overall remediation of the Weldon Spring site is being addressed through the Weldon Spring Site Remedial Action Project, and it consists of several components. One component is the management of radioactively and chemically contaminated surface water impoundments at the chemical plant area -- i.e., the four raffinate pits, Frog Pond, and Ash Pond which was addressed under a separate action and documented in an engineering evaluation/cost analysis report. This report discusses the evaluation of surface water treatment at the Weldon Spring site.

  20. Evaluation of surface water treatment and discharge options for the Weldon Spring Site Remedial Action Project

    SciTech Connect (OSTI)

    Goyette, M.L.; MacDonell, M.M.

    1992-01-01

    The US Department of Energy (DOE), under its Environmental Restoration and Waste Management Program, is responsible for conducting response actions at the Weldon Spring site in St. Charles County, Missouri. The site consists of two noncontiguous areas: (1) the chemical plant area, which includes four raffinate pits and two small ponds, and (2) a 3.6-ha (9-acre) quarry located about 6.4 km (4 mi) southwest of the chemical plant area. Both of these areas became chemically and radioactively contaminated as a result of processing and disposal activities that took place from the 1940s through 1960s. The Weldon Spring site, located about 48 km (30 mi) west of St. Louis, is listed on the National Priorities List of the US Environmental Protection Agency. Nitroaromatic explosives were processed by the Army at the chemical plant area during the 1940s, and radioactive materials were processed by DOE's predecessor agency (the Atomic Energy Commission) during the 1950s and 1960s. Overall remediation of the Weldon Spring site is being addressed through the Weldon Spring Site Remedial Action Project, and it consists of several components. One component is the management of radioactively and chemically contaminated surface water impoundments at the chemical plant area -- i.e., the four raffinate pits, Frog Pond, and Ash Pond which was addressed under a separate action and documented in an engineering evaluation/cost analysis report. This report discusses the evaluation of surface water treatment at the Weldon Spring site.

  1. Application of Microbial Fuel Cell technology for a Waste Water Treatment Alternative

    E-Print Network [OSTI]

    = mg/s #12;Microbial Fuel Cell technology Zielke 1 1 Introduction Renewable energy is an increasing need in our society. Microbial fuel cell (MFC) technology represents a new form of renewable energyApplication of Microbial Fuel Cell technology for a Waste Water Treatment Alternative Eric A

  2. K West Basin Integrated Water Treatment System (IWTS) E-F Annular Filter Vessel Accident Calculations

    SciTech Connect (OSTI)

    PIEPHO, M.G.

    2000-01-10

    Four bounding accidents postulated for the K West Basin integrated water treatment system are evaluated against applicable risk evaluation guidelines. The accidents are a spray leak during fuel retrieval, spray leak during backflushing a hydrogen explosion, and a fire breaching filter vessel and enclosure. Event trees and accident probabilities are estimated. In all cases, the unmitigated dose consequences are below the risk evaluation guidelines.

  3. K West Basin Integrated Water Treatment System (IWTS) E-F Annular Filter Vessel Accident Calculations

    SciTech Connect (OSTI)

    RITTMANN, P.D.

    1999-10-07

    Three bounding accidents postdated for the K West Basin integrated water treatment system are evaluated against applicable risk evaluation guidelines. The accidents are a spray leak during fuel retrieval, spray leak during backflushing, and a hydrogen explosion. Event trees and accident probabilities are estimated. In all cases, the unmitigated dose consequences are below the risk evaluation guidelines.

  4. Preliminary design report for the K basins integrated water treatment system

    SciTech Connect (OSTI)

    Pauly, T.R., Westinghouse Hanford

    1996-08-12

    This Preliminary Design Report (PDR) provides a revised concept for the K Basins Integrated Water Treatment Systems (IWTS). This PDR incorporates the 11 recommendations made in a May 1996 Value Engineering session into the Conceptual Design, and provides new flow diagrams, hazard category assessment, cost estimate, and schedule for the IWTS Subproject.

  5. Water treatment capacity of forward osmosis systems utilizing power plant waste heat

    SciTech Connect (OSTI)

    Zhou, Xingshi; Gingerich, Daniel B.; Mauter, Meagan S.

    2015-06-11

    Forward osmosis (FO) has the potential to improve the energy efficiency of membrane-based water treatment by leveraging waste heat from steam electric power generation as the primary driving force for separation. In this study, we develop a comprehensive FO process model, consisting of membrane separation, heat recovery, and draw solute regeneration (DSR) models. We quantitatively characterize three alternative processes for DSR: distillation, steam stripping, and air stripping. We then construct a mathematical model of the distillation process for DSR that incorporates hydrodynamics, mass and heat transport resistances, and reaction kinetics, and we integrate this into a model for the full FO process. Finally, we utilize this FO process model to derive a first-order approximation of the water production capacity given the rejected heat quantity and quality available at U.S. electric power facilities. We find that the upper bound of FO water treatment capacity using low-grade heat sources at electric power facilities exceeds process water treatment demand for boiler water make-up and flue gas desulfurization wastewater systems.

  6. Water treatment capacity of forward osmosis systems utilizing power plant waste heat

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Zhou, Xingshi; Gingerich, Daniel B.; Mauter, Meagan S.

    2015-06-11

    Forward osmosis (FO) has the potential to improve the energy efficiency of membrane-based water treatment by leveraging waste heat from steam electric power generation as the primary driving force for separation. In this study, we develop a comprehensive FO process model, consisting of membrane separation, heat recovery, and draw solute regeneration (DSR) models. We quantitatively characterize three alternative processes for DSR: distillation, steam stripping, and air stripping. We then construct a mathematical model of the distillation process for DSR that incorporates hydrodynamics, mass and heat transport resistances, and reaction kinetics, and we integrate this into a model for the fullmore »FO process. Finally, we utilize this FO process model to derive a first-order approximation of the water production capacity given the rejected heat quantity and quality available at U.S. electric power facilities. We find that the upper bound of FO water treatment capacity using low-grade heat sources at electric power facilities exceeds process water treatment demand for boiler water make-up and flue gas desulfurization wastewater systems.« less

  7. Evaluation of the freeze-thaw/evaporation process for the treatment of produced waters. Final report, August 1992--August 1996

    SciTech Connect (OSTI)

    Boysen, J.E.; Walker, K.L.; Mefford, J.L.; Kirsch, J.R. [Resource Technology Corp., Laramie, WY (United States); Harju, J.A. [North Dakota Univ., Grand Forks, ND (United States). Energy and Environmental Research Center

    1996-06-01

    The use of freeze-crystallization is becoming increasingly acknowledged as a low-cost, energy-efficient method for purifying contaminated water. The natural freezing process can be coupled with natural evaporative processes to treat oil and gas produced waters year round in regions where subfreezing temperatures seasonally occur. The climates typical of Colorado`s San Juan Basin and eastern slope, as well as the oil and gas producing regions of Wyoming, are well suited for application of these processes in combination. Specifically, the objectives of this research are related to the development of a commercially-economic FTE (freeze-thaw/evaporation) process for the treatment and purification of water produced in conjunction with oil and natural gas. The research required for development of this process consists of three tasks: (1) a literature survey and process modeling and economic analysis; (2) laboratory-scale process evaluation; and (3) field demonstration of the process. Results of research conducted for the completion of these three tasks indicate that produced water treatment and disposal costs for commercial application of the process, would be in the range of $0.20 to $0.30/bbl in the Rocky Mountain region. FTE field demonstration results from northwestern New Mexico during the winter of 1995--96 indicate significant and simultaneous removal of salts, metals, and organics from produced water. Despite the unusually warm winter, process yields demonstrate disposal volume reductions on the order of 80% and confirm the potential for economic production of water suitable for various beneficial uses. The total dissolved solids concentrations of the FTE demonstration streams were 11,600 mg/L (feed), 56,900 mg/L (brine), and 940 mg/L (ice melt).

  8. Low Molecular Weight Organic Contaminants in Advanced Treatment: Occurrence, Treatment and Implications to Desalination and Water Reuse Systems

    E-Print Network [OSTI]

    Agus, Eva

    2011-01-01

    concentrations of bromide in waters subjected to treatmentguidelines for trihalomethanes in drinking water andwaters. .

  9. An Itegrated Approach to Water Treatment in Oil and Gas Industry via Thermal Membrane Distillation 

    E-Print Network [OSTI]

    Elsayed, Nesreen Ahmed Abdelmoez Mohamed

    2014-10-14

    This work is aimed at developing a systematic approach for designing treatment systems for wastewater streams resulting from upstream production and downstream processing of oil and gas systems. The approach will provide an optimum and integrated...

  10. Effects of Hydrophobic Surface Treatments on Dropwise Condensation and Freezing of Water 

    E-Print Network [OSTI]

    Bryant, John

    1995-01-01

    and a computer-based image capture system. Three different treatments were used on the polished copper condensing surface; no coating, a silicone conformal coating, and a long-chain sulfur based coating. Results for the heat transfer data showed...

  11. Treatment of Produced Waters Using a Surfactant Modified Zeolite/Vapor Phase Bioreactor System

    SciTech Connect (OSTI)

    Soondong Kwon; Elaine B. Darby; Li-Jung Chen; Lynn E. Katz; Kerry A. Kinney; R. S. Bowman; E. J. Sullivan

    2005-03-11

    This report summarizes work performed on this project from October 2004 through March 2005. In previous work, a surfactant modified zeolite (SMZ) was shown to be an effective system for removing BTEX contaminants from produced water. Additional work on this project demonstrated that a compost-based biofilter could biodegrade the BTEX contaminants found in the SMZ regeneration waste gas stream. However, it was also determined that the BTEX concentrations in the waste gas stream varied significantly during the regeneration period and the initial BTEX concentrations were too high for the biofilter to handle effectively. A series of experiments were conducted to determine the feasibility of using a passive adsorption column placed upstream of the biofilter to attenuate the peak gas-phase VOC concentrations delivered to the biofilter during the SMZ regeneration process. In preparation for the field test of the SMZ/VPB treatment system in New Mexico, a pilot-scale SMZ system was also designed and constructed during this reporting period. Finally, a cost and feasibility analysis was also completed. To investigate the merits of the passive buffering system during SMZ regeneration, two adsorbents, SMZ and granular activated carbon (GAC) were investigated in flow-through laboratory-scale columns to determine their capacity to handle steady and unsteady VOC feed conditions. When subjected to a toluene-contaminated air stream, the column containing SMZ reduced the peak inlet 1000 ppmv toluene concentration to 630 ppmv at a 10 second contact time. This level of buffering was insufficient to ensure complete removal in the downstream biofilter and the contact time was longer than desired. For this reason, using SMZ as a passive buffering system for the gas phase contaminants was not pursued further. In contrast to the SMZ results, GAC was found to be an effective adsorbent to handle the peak contaminant concentrations that occur early during the SMZ regeneration process. At a one second residence time, the GAC bed reduced peak contaminant concentrations by 97%. After the initial peak, the inlet VOC concentration in the SMZ regeneration gas stream drops exponentially with time. During this period, the contaminants on the GAC subsequently desorbed at a nearly steady rate over the next 45 hours resulting in a relatively steady effluent concentration of approximately 25 ppm{sub v}. This lower concentration is readily degradable by a downstream vapor phase biofilter (VPB) and the steady nature of the feed stream will prevent the biomass in the VPB from enduring starvation conditions between SMZ regeneration cycles. Repetitive sorption and desorption cycles that would be expected in the field were also investigated. It was determined that although the GAC initially lost some VOC sorption capacity, the adsorption and desorption profiles stabilized after approximately 6 cycles indicating that a GAC bed should be suitable for continuous operation. In preparation for the pilot field testing of the SMZ/VPB system, design, ''in-house'' construction and testing of the field system were completed during this project period. The design of the SMZ system for the pilot test was based on previous investigations by the PI's in Wyoming, 2002 and on analyses of the produced water at the field site in New Mexico. The field tests are scheduled for summer, 2005. A cost survey, feasibility of application and cost analyses were completed to investigate the long term effectiveness of the SMZ/VPB system as a method of treating produced water for re-use. Several factors were investigated, including: current costs to treat and dispose of produced water, end-use water quality requirements, and state and federal permitting requirements.

  12. Recycled Water Reuse Permit Renewal Application for the Central Facilities Area Sewage Treatment Plant

    SciTech Connect (OSTI)

    Mike Lewis

    2014-09-01

    This renewal application for a Recycled Water Reuse Permit is being submitted in accordance with the Idaho Administrative Procedures Act 58.01.17 “Recycled Water Rules” and the Municipal Wastewater Reuse Permit LA-000141-03 for continuing the operation of the Central Facilities Area Sewage Treatment Plant located at the Idaho National Laboratory. The permit expires March 16, 2015. The permit requires a renewal application to be submitted six months prior to the expiration date of the existing permit. For the Central Facilities Area Sewage Treatment Plant, the renewal application must be submitted by September 16, 2014. The information in this application is consistent with the Idaho Department of Environmental Quality’s Guidance for Reclamation and Reuse of Municipal and Industrial Wastewater and discussions with Idaho Department of Environmental Quality personnel.

  13. Feasibility and Treatment of Oil and Gas Produced Water as a Medium for Nannochloropsis Salina cultivation

    SciTech Connect (OSTI)

    Sullivan, Enid J.; Dean, Cynthia A.; Yoshida, Thomas M.; Steichen, Seth A.; Laur, Paul A.; Visolay, Alfonz

    2012-06-06

    Some conclusions of this paper are: (1) How much PW is available - (a) Lots, but probably not enough to support the largest estimates of algae production needed, (b) Diluent water is likely needed to support cultivation in some cases, (c) An assessment of how much PW is really available for use is needed; (2) Where is it available - (a) In many places near other resources (land, CO{sub 2}, sunlight, nutrients) and infrastructure (pipelines, refineries, disposal operations/wells); (3) Is the water chemistry acceptable for use - (a) Yes, in many cases with minimal treatment, (b) Additional constituents of value exist in PW for media; (4) Does it need treatment prior to use - (a) Yes, it may often need treatment for organics, some metals, and biological contaminants, (b) Source control and monitoring can reduce need for treatment; (5) How much does it cost to treat it - (a) If desalination is not needed, from <$0.01-$0.60 per m3 is a starting estimate; and (6) Can you grow algae in it - (a) Yes, but we need more experimentation to optimize field conditions, media mixing, and algae types.

  14. Results of ground-water monitoring for radionuclides in the Separations Area, 1987

    SciTech Connect (OSTI)

    Serkowski, J.A.; Law, A.G.; Ammerman, J.J.; Schatz, A.L.

    1988-04-01

    The purpose of this report is to present a summary of the results for calendar year 1987 of the Westinghouse Hanford Company (Westinghouse Hanford) ground-water monitoring program for radiological constituents in the Separations Area of the Hanford Site. This monitoring program is implemented to partially fulfill the US Department of Energy (DOE) requirement that radioactivity in the environment be monitored. The program is also used to monitor operating disposal facilities for compliance with DOE requirements. The Separations Area radionuclide ground-water monitoring program is coordinated with other ground-water monitoring activities on the Hanford Site conducted by Westinghouse Hanford and Pacific Northwest Laboratory (PNL). The PNL program includes sampling for both radioactive and nonradioactive chemicals throughout the Site (including 100 and 300 Areas) and is responsible for estimating and evaluating the impact on ground water to the general public from all operations at the Hanford Site. Ground water characterization and monitoring for compliance with Resource Conservation and Recovery Act (RCRA) is also being conducted at facilities on the Hanford Site.

  15. Current and Long-Term Effects of Delta Water Quality on Drinking Water Treatment Costs from Disinfection Byproduct Formation

    E-Print Network [OSTI]

    Chen, Wei-Hsiang; Haunschild, Kristine; Lund, Jay R.; Fleenor, William E.

    2010-01-01

    Internet]. Office of Water, U.S. Environmental Protectionfor protecting public drinking water (CALFED 2000), are also1 Current and predicted future water quality conditions at

  16. Reinforcing of QA/QC programs in radiotherapy departments in Croatia: Results of treatment planning system verification

    SciTech Connect (OSTI)

    Jurkovi?, Slaven; Švabi?, Manda; Dikli?, Ana; Smilovi? Radoj?i?, ?eni; Dundara, Dea; Kasabaši?, Mladen; Ivkovi?, Ana; Faj, Dario

    2013-04-01

    Implementation of advanced techniques in clinical practice can greatly improve the outcome of radiation therapy, but it also makes the process much more complex with a lot of room for errors. An important part of the quality assurance program is verification of treatment planning system (TPS). Dosimetric verifications in anthropomorphic phantom were performed in 4 centers where new systems were installed. A total of 14 tests for 2 photon energies and multigrid superposition algorithms were conducted using the CMS XiO TPS. Evaluation criteria as specified in the International Atomic Energy Agency Technical Reports Series (IAEA TRS) 430 were employed. Results of measurements are grouped according to the placement of the measuring point and the beam energy. The majority of differences between calculated and measured doses in the water-equivalent part of the phantom were in tolerance. Significantly more out-of-tolerance values were observed in “nonwater-equivalent” parts of the phantom, especially for higher-energy photon beams. This survey was done as a part of continuous effort to build up awareness of quality assurance/quality control (QA/QC) importance in the Croatian radiotherapy community. Understanding the limitations of different parts of the various systems used in radiation therapy can systematically improve quality as well.

  17. Monte Carlo electron-photon transport using GPUs as an accelerator: Results for a water-aluminum-water phantom

    SciTech Connect (OSTI)

    Su, L.; Du, X.; Liu, T.; Xu, X. G.

    2013-07-01

    An electron-photon coupled Monte Carlo code ARCHER - Accelerated Radiation-transport Computations in Heterogeneous Environments - is being developed at Rensselaer Polytechnic Institute as a software test bed for emerging heterogeneous high performance computers that utilize accelerators such as GPUs. In this paper, the preliminary results of code development and testing are presented. The electron transport in media was modeled using the class-II condensed history method. The electron energy considered ranges from a few hundred keV to 30 MeV. Moller scattering and bremsstrahlung processes above a preset energy were explicitly modeled. Energy loss below that threshold was accounted for using the Continuously Slowing Down Approximation (CSDA). Photon transport was dealt with using the delta tracking method. Photoelectric effect, Compton scattering and pair production were modeled. Voxelised geometry was supported. A serial ARHCHER-CPU was first written in C++. The code was then ported to the GPU platform using CUDA C. The hardware involved a desktop PC with an Intel Xeon X5660 CPU and six NVIDIA Tesla M2090 GPUs. ARHCHER was tested for a case of 20 MeV electron beam incident perpendicularly on a water-aluminum-water phantom. The depth and lateral dose profiles were found to agree with results obtained from well tested MC codes. Using six GPU cards, 6x10{sup 6} histories of electrons were simulated within 2 seconds. In comparison, the same case running the EGSnrc and MCNPX codes required 1645 seconds and 9213 seconds, respectively, on a CPU with a single core used. (authors)

  18. Fukushima Nuclear Crisis Recovery: A Modular Water Treatment System Deployed in Seven Weeks - 12489

    SciTech Connect (OSTI)

    Denton, Mark S.; Mertz, Joshua L. [Kurion, Inc., P.O. Box 5901, Oak Ridge, Tennessee 37831 (United States); Bostick, William D. [Materials and Chemistry Laboratory, Inc. (MCL) ETTP, Building K-1006, 2010 Highway 58, Suite 1000, Oak Ridge, Tennessee 37830 (United States)

    2012-07-01

    On March 11, 2011, the magnitude 9.0 Great East Japan earthquake, Tohoku, hit off the Fukushima coast of Japan. This was one of the most powerful earthquakes in recorded history and the most powerful one known to have hit Japan. The ensuing tsunami devastated a huge area resulting in some 25,000 persons confirmed dead or missing. The perfect storm was complete when the tsunami then found the four reactor, Fukushima-Daiichi Nuclear Station directly in its destructive path. While recovery systems admirably survived the powerful earthquake, the seawater from the tsunami knocked the emergency cooling systems out and did extensive damage to the plant and site. Subsequent hydrogen generation caused explosions which extended this damage to a new level and further flooded the buildings with highly contaminated water. Some 2 million people were evacuated from a fifty mile radius of the area and evaluation and cleanup began. Teams were assembled in Tokyo the first week of April to lay out potential plans for the immediate treatment of some 63 million gallons (a number which later exceeded 110 million gallons) of highly contaminated water to avoid overflow from the buildings as well as supply the desperately needed clean cooling water for the reactors. A system had to be deployed with a very brief cold shake down and hot startup before the rainy season started in early June. Joined by team members Toshiba (oil removal system), AREVA (chemical precipitation system) and Hitachi-GE (RO system), Kurion (cesium removal system following the oil separator) proposed, designed, fabricated, delivered and started up a one of a kind treatment skid and over 100 metric tons of specially engineered and modified Ion Specific Media (ISM) customized for this very challenging seawater/oil application, all in seven weeks. After a very short cold shake down, the system went into operation on June 17, 2011 on actual waste waters far exceeding 1 million Bq/mL in cesium and many other isotopes. One must remember that, in addition to attempting to do isotope removal in the competition of seawater (as high as 18,000 ppm sodium due to concentration), some 350,000 gallons of turbine oil was dispersed into the flooded buildings as well. The proposed system consisted of a 4 guard vessel skid for the oil and debris, 4 skids containing 16 cesium towers in a lead-lag layout with removable vessels (sent to an interim storage facility), and a 4 polishing vessel skid for iodine removal and trace cesium levels. At a flow rate of at least 220 gallons per minute, the system has routinely removed over 99% of the cesium, the main component of the activity, since going on line. To date, some 50% of the original activity has been removed and stabilized and cold shutdown of the plant was announced on December 10, 2011. In March and April alone, 10 cubic feet of Engineered Herschelite was shipped to Seabrook Nuclear Power Plant, NPP, to support the April 1, 2011 outage cleanup; 400 cubic feet was shipped to Oak Ridge National Laboratory (ORNL) for strontium (Sr-90) ground water remediation; and 6000 cubic feet (100 metric tons, MT, or 220,400 pounds) was readied for the Fukushima Nuclear Power Station with an additional 100 MT on standby for replacement vessels. This experience and accelerated media production in the U.S. bore direct application to what was to soon be used in Fukushima. How such a sophisticated and totally unique system and huge amount of media could be deployable in such a challenging and changing matrix, and in only seven weeks, is outlined in this paper as well as the system and operation itself. As demonstrated herein, all ten major steps leading up to the readiness and acceptance of a modular emergency technology recovery system were met and in a very short period of time, thus utilizing three decades of experience to produce and deliver such a system literally in seven weeks: - EPRI - U.S. Testing and Experience Leading to Introduction to EPRI - Japan and Subsequently TEPCO Emergency Meetings - Three Mile Island (TMI) Media and Vitrification Experience

  19. Quantity and Fate of Water Salvage as a Result of Saltcedar Control on the Pecos River in Texas 

    E-Print Network [OSTI]

    Sheng, Z.; McDonald, A.K.; Hart, C.; Hatler, W.; Villalobos, J.

    2007-01-01

    of saltcedar control be conducted. For future studies using the paired plot method, it is recommended that both sites be logged for at least 3 years prior to treatment. To reduce the potential for upriver treatment affect on downriver study areas... by saltcedar at night, and that there is no significant water use prior to April or after September. In order to estimate potential water salvage from control of saltcedar, the study site was set up following the EPA (1993) Paired Plot Study Design...

  20. Removing Arsenic from Contaminated Drinking Water in Rural Bangladesh: Recent Fieldwork Results and Policy Implications

    E-Print Network [OSTI]

    Mathieu, Johanna L.

    2010-01-01

    Safe Drinking Water in Bangladesh. ” World Bank Water andof Jessore District, Bangladesh. ” Current Science. Vol 74,optimum solution to the Bangladesh arsenic crisis." Social

  1. Wetland treatment of oil and gas well waste waters. Final report

    SciTech Connect (OSTI)

    Kadlec, R.; Srinivasan, K.

    1995-08-01

    Constructed wetlands are small on-site systems that possess three of the most desirable components of an industrial waste water treatment scheme: low cost, low maintenance and upset resistance. The main objective of the present study is to extend the knowledge base of wetland treatment systems to include processes and substances of particular importance to small, on-site systems receiving oil and gas well wastewaters. A list of the most relevant and comprehensive publications on the design of wetlands for water quality improvement was compiled and critically reviewed. Based on our literature search and conversations with researchers in the private sector, toxic organics such as Phenolics and b-naphthoic acid, (NA), and metals such as CU(II) and CR(VI) were selected as target adsorbates. A total of 90 lysimeters equivalent to a laboratory-scale wetland were designed and built to monitor the uptake and transformation of toxic organics and the immobilization of metal ions. Studies on the uptake of toxic organics such as phenol and b-naphthoic acid (NA) and heavy metals such as Cu(II) and Cr(VI), the latter two singly or as non-stoichiometric mixtures by laboratory-type wetlands (LWs) were conducted. These LWs were designed and built during the first year of this study. A road map and guidelines for a field-scale implementation of a wetland system for the treatment of oil and gas wastewaters have been suggested. Two types of wetlands, surface flow (SF) and sub surface flow (SSF), have been considered, and the relative merits of each configuration have been reviewed.

  2. Interim Results from a Study of the Impacts of Tin (II) Based Mercury Treatment in a Small Stream Ecosystem: Tims Branch, Savannah River Site

    SciTech Connect (OSTI)

    Looney, Brian [Savannah River National Laboratory (SRNL); BryanJr., Larry [Savannah River Ecology Laboratory; Mathews, Teresa J [ORNL; Peterson, Mark J [ORNL; Roy, W Kelly [ORNL; Jett, Robert T [ORNL; Smith, John G [ORNL

    2012-03-01

    A research team is assessing the impacts of an innovative mercury treatment system in Tims Branch, a small southeastern stream. The treatment system, installed in 2007, reduces and removes inorganic mercury from water using tin(II) (stannous) chloride addition followed by air stripping. The system results in discharge of inorganic tin to the ecosystem. This screening study is based on historical information combined with measurements of contaminant concentrations in water, fish, sediment, biofilms and invertebrates. Initial mercury data indicate that first few years of mercury treatment resulted in a significant decrease in mercury concentration in an upper trophic level fish, redfin pickerel, at all sampling locations in the impacted reach. For example, the whole body mercury concentration in redfin pickerel collected from the most impacted pond decreased approximately 72% between 2006 (pre-treatment) and 2010 (post-treatment). Over this same period, mercury concentrations in the fillet of redfin pickerel in this pond were estimated to have decreased from approximately 1.45 {micro}g/g (wet weight basis) to 0.45 {micro}g/g - a decrease from 4.8x to 1.5x the current EPA guideline concentration for mercury in fillet (0.3 {micro}g/g). Thermodynamic modeling, scanning electron microscopy, and other sampling data for tin suggest that particulate tin (IV) oxides are a significant geochemical species entering the ecosystem with elevated levels of tin measured in surficial sediments and biofilms. Detectable increases in tin in sediments and biofilms extended approximately 3km from the discharge location. Tin oxides are recalcitrant solids that are relatively non-toxic and resistant to dissolution. Work continues to develop and validate methods to analyze total tin in the collected biota samples. In general, the interim results of this screening study suggest that the treatment process has performed as predicted and that the concentration of mercury in upper trophic level fish, as a surrogate for all of the underlying transport and transformation processes in a complex ecosystem, has declined as a direct result of the elimination of inorganic mercury inputs. Inorganic tin released to the ecosystem has been found in compartments where particles accumulate with notable levels measured in biofilms.

  3. Water Use in Parabolic Trough Power Plants: Summary Results from WorleyParsons' Analyses

    SciTech Connect (OSTI)

    Turchi, C. S.; Wagner, M. J.; Kutscher, C. F.

    2010-12-01

    The National Renewable Energy Laboratory (NREL) contracted with WorleyParsons Group, Inc. to examine the effect of switching from evaporative cooling to alternative cooling systems on a nominal 100-MW parabolic trough concentrating solar power (CSP) plant. WorleyParsons analyzed 13 different cases spanning three different geographic locations (Daggett, California; Las Vegas, Nevada; and Alamosa, Colorado) to assess the performance, cost, and water use impacts of switching from wet to dry or hybrid cooling systems. NREL developed matching cases in its Solar Advisor Model (SAM) for each scenario to allow for hourly modeling and provide a comparison to the WorleyParsons results.Our findings indicate that switching from 100% wet to 100% dry cooling will result in levelized cost of electricity (LCOE) increases of approximately 3% to 8% for parabolic trough plants throughout most of the southwestern United States. In cooler, high-altitude areas like Colorado's San Luis Valley, WorleyParsons estimated the increase at only 2.5%, while SAM predicted a 4.4% difference. In all cases, the transition to dry cooling will reduce water consumption by over 90%. Utility time-of-delivery (TOD) schedules had similar impacts for wet- and dry-cooled plants, suggesting that TOD schedules have a relatively minor effect on the dry-cooling penalty.

  4. Preliminary Deep Water Results in Single-Beacon One-Way-Travel-Time Acoustic Navigation for Underwater Vehicles

    E-Print Network [OSTI]

    Eustice, Ryan

    Preliminary Deep Water Results in Single-Beacon One-Way-Travel-Time Acoustic Navigation results from the first deep-water evaluation of this method using data collected from an autonomous of Mechanical Engineering Johns Hopkins University, Baltimore, MD 21218 email: {swebster,llw}@jhu.edu Department

  5. Stable water isotope simulation by current land-surface schemes:Results of IPILPS phase 1

    SciTech Connect (OSTI)

    Henderson-Sellers, A.; Fischer, M.; Aleinov, I.; McGuffie, K.; Riley, W.J.; Schmidt, G.A.; Sturm, K.; Yoshimura, K.; Irannejad, P.

    2005-10-31

    Phase 1 of isotopes in the Project for Intercomparison of Land-surface Parameterization Schemes (iPILPS) compares the simulation of two stable water isotopologues ({sup 1}H{sub 2} {sup 18}O and {sup 1}H{sup 2}H{sup 16}O) at the land-atmosphere interface. The simulations are off-line, with forcing from an isotopically enabled regional model for three locations selected to offer contrasting climates and ecotypes: an evergreen tropical forest, a sclerophyll eucalypt forest and a mixed deciduous wood. Here we report on the experimental framework, the quality control undertaken on the simulation results and the method of intercomparisons employed. The small number of available isotopically-enabled land-surface schemes (ILSSs) limits the drawing of strong conclusions but, despite this, there is shown to be benefit in undertaking this type of isotopic intercomparison. Although validation of isotopic simulations at the land surface must await more, and much more complete, observational campaigns, we find that the empirically-based Craig-Gordon parameterization (of isotopic fractionation during evaporation) gives adequately realistic isotopic simulations when incorporated in a wide range of land-surface codes. By introducing two new tools for understanding isotopic variability from the land surface, the Isotope Transfer Function and the iPILPS plot, we show that different hydrological parameterizations cause very different isotopic responses. We show that ILSS-simulated isotopic equilibrium is independent of the total water and energy budget (with respect to both equilibration time and state), but interestingly the partitioning of available energy and water is a function of the models' complexity.

  6. Development and Optimization of Chemically-Active Electrospun Nanofibers for Treatment of Impaired Water Sources

    E-Print Network [OSTI]

    Nalbandian, Michael Jean-Claude

    2014-01-01

    Sustainability of Projected Water Demans under Futureof Cities” Revised: A Case for Water Recycling and Reuse.Water Science and Technology Larson, D. ; Lee, C. ;

  7. POTENTIAL USES OF SPENT SHALE IN THE TREATMENT OF OIL SHALE RETORT WATERS

    E-Print Network [OSTI]

    Fox, J.P.

    2013-01-01

    situ oil shale combustion experiment con- A gas chro- Thisspent shales were waters were studied, retort water and gasof retort waters and gas condensate. Spent shale reduces the

  8. Structured water in polyelectrolyte dendrimers: Understanding small angle neutron scattering results through atomistic simulation

    SciTech Connect (OSTI)

    Chen, Wei-Ren [ORNL; Do, Changwoo [ORNL; Hong, Kunlun [ORNL; Liu, Emily [Rensselaer Polytechnic Institute (RPI); Liu, Yun [National Institute of Standards and Technology (NIST); Porcar, L. [National Institute of Standards and Technology (NIST); Smith, Gregory Scott [ORNL; Wu, Bin [ORNL; Egami, T [University of Tennessee, Knoxville (UTK); Smith, Sean C [ORNL

    2012-01-01

    Based on atomistic molecular dynamics (MD) simulations, the small angle neutron scattering (SANS) intensity behavior of a single generation-4 (G4) polyelectrolyte polyamidoamine (PAMAM) starburst dendrimer is investigated at different levels of molecular protonation. The SANS form factor, P(Q), and Debye autocorrelation function, (r), are calculated from the equilibrium MD trajectory based on a mathematical approach proposed in this work which provides a link between the neutron scattering experiment and MD computation. The simulations enable scattering calculations of not only the hydrocarbons, but also the contribution to the scattering length density fluctuations caused by structured, confined water within the dendrimer. Based on our computational results, we question the validity of using radius of gyration RG for microstructure characterization of a polyelectrolyte dendrimer from the scattering perspective.

  9. Comparing Simulation Results with Traditional PRA Model on a Boiling Water Reactor Station Blackout Case Study

    SciTech Connect (OSTI)

    Zhegang Ma; Diego Mandelli; Curtis Smith

    2011-07-01

    A previous study used RELAP and RAVEN to conduct a boiling water reactor station black-out (SBO) case study in a simulation based environment to show the capabilities of the risk-informed safety margin characterization methodology. This report compares the RELAP/RAVEN simulation results with traditional PRA model results. The RELAP/RAVEN simulation run results were reviewed for their input parameters and output results. The input parameters for each simulation run include various timing information such as diesel generator or offsite power recovery time, Safety Relief Valve stuck open time, High Pressure Core Injection or Reactor Core Isolation Cooling fail to run time, extended core cooling operation time, depressurization delay time, and firewater injection time. The output results include the maximum fuel clad temperature, the outcome, and the simulation end time. A traditional SBO PRA model in this report contains four event trees that are linked together with the transferring feature in SAPHIRE software. Unlike the usual Level 1 PRA quantification process in which only core damage sequences are quantified, this report quantifies all SBO sequences, whether they are core damage sequences or success (i.e., non core damage) sequences, in order to provide a full comparison with the simulation results. Three different approaches were used to solve event tree top events and quantify the SBO sequences: “W” process flag, default process flag without proper adjustment, and default process flag with adjustment to account for the success branch probabilities. Without post-processing, the first two approaches yield incorrect results with a total conditional probability greater than 1.0. The last approach accounts for the success branch probabilities and provides correct conditional sequence probabilities that are to be used for comparison. To better compare the results from the PRA model and the simulation runs, a simplified SBO event tree was developed with only four top events and eighteen SBO sequences (versus fifty-four SBO sequences in the original SBO model). The estimated SBO sequence conditional probabilities from the original SBO model were integrated to the corresponding sequences in the simplified SBO event tree. These results were then compared with the simulation run results.

  10. Combining water budgets and IFIM results for analyzing operation alternatives at peaking projects

    SciTech Connect (OSTI)

    Conners, M.E.; Homa, J. Jr. [Ichthyological Associates, Inc., Lansing, NY (United States); Carrington, G. [Northrup, Devine, and Tarbell, Inc., Vancouver, WA (United States)

    1995-12-31

    Licensing of hydropower projects often involves evaluating and comparing several different alternatives for project operation. Projects with peaking capabilities, in particular, are frequently required to compare peaking operation with substantially different alternatives, such as continuous run-of-the-river flows. Instream flow studies are used to assess the environmental impacts of hydropower operation by modeling the amount of aquatic habitat available at various flows. It can be difficult, however, to apply instream flow models downstream of peaking operations, or to present habitat model results in a way that clearly compares operation alternatives. This paper presents a two-stage analysis that was used in the successful negotiation of a licensing settlement for Niagara Mohawk Power Corporation`s Salmon River Project in upstate New York. A water budget model based on project configuration was used to compile flow-duration curves for the project under several alternative operating rules. A spreadsheet model was developed that combines the results of instream flow habitat models with flow-duration statistics. This approach provides a clear, quantitative comparison of the effect of alternative project operations on downstream aquatic habitat.

  11. Video-rate optical dosimetry and dynamic visualization of IMRT and VMAT treatment plans in water using Cherenkov radiation

    SciTech Connect (OSTI)

    Glaser, Adam K. E-mail: Brian.W.Pogue@dartmouth.edu; Andreozzi, Jacqueline M.; Davis, Scott C.; Zhang, Rongxiao; Pogue, Brian W. E-mail: Brian.W.Pogue@dartmouth.edu; Fox, Colleen J.; Gladstone, David J.

    2014-06-15

    Purpose: A novel technique for optical dosimetry of dynamic intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT) plans was investigated for the first time by capturing images of the induced Cherenkov radiation in water. Methods: A high-sensitivity, intensified CCD camera (ICCD) was configured to acquire a two-dimensional (2D) projection image of the Cherenkov radiation induced by IMRT and VMAT plans, based on the Task Group 119 (TG-119) C-Shape geometry. Plans were generated using the Varian Eclipse treatment planning system (TPS) and delivered using 6 MV x-rays from a Varian TrueBeam Linear Accelerator (Linac) incident on a water tank doped with the fluorophore quinine sulfate. The ICCD acquisition was gated to the Linac target trigger pulse to reduce background light artifacts, read out for a single radiation pulse, and binned to a resolution of 512 × 512 pixels. The resulting videos were analyzed temporally for various regions of interest (ROI) covering the planning target volume (PTV) and organ at risk (OAR), and summed to obtain an overall light intensity distribution, which was compared to the expected dose distribution from the TPS using a gamma-index analysis. Results: The chosen camera settings resulted in 23.5 frames per second dosimetry videos. Temporal intensity plots of the PTV and OAR ROIs confirmed the preferential delivery of dose to the PTV versus the OAR, and the gamma analysis yielded 95.9% and 96.2% agreement between the experimentally captured Cherenkov light distribution and expected TPS dose distribution based upon a 3%/3 mm dose difference and distance-to-agreement criterion for the IMRT and VMAT plans, respectively. Conclusions: The results from this initial study demonstrate the first documented use of Cherenkov radiation for video-rate optical dosimetry of dynamic IMRT and VMAT treatment plans. The proposed modality has several potential advantages over alternative methods including the real-time nature of the acquisition, and upon future refinement may prove to be a robust and novel dosimetry method with both research and clinical applications.

  12. Collection and representation of GIS data to aid household water treatment and safe storage technology implementation in the northern region of Ghana

    E-Print Network [OSTI]

    VanCalcar, Jenny E. (Jenny Elizabeth)

    2006-01-01

    In 2005, a start-up social business called Pure Home Water (PHW) was begun in Ghana to promote and sell household water treatment and safe storage (HWTS) technologies. The original aim of the company was to offer a variety ...

  13. Evaluation of household water treatment and safe storage (HWTS) alternatives in Ghana

    E-Print Network [OSTI]

    Wong, TengKe

    2014-01-01

    Ghana's water quality and sanitation condition are very poor. Pure Home Water (PHW), a local non-profit organization has been successfully improving the supply of safe drinking water in the northern region by producing and ...

  14. Side-by-Side Testing of Water Heating Systems: Results from the 2009-2010 Evaluation

    Broader source: Energy.gov [DOE]

    The performance of seven differing types of residential water heating systems was compared in a side-by-side test configuration over a full year period. The Hot Water System Laboratory (HWS Lab) test facility at the Florida Solar Energy Center (FSEC) in Cocoa, FL was used for the tests.

  15. Utilization of municipal wastewater for cooling in thermoelectric power plants: Evaluation of the combined cost of makeup water treatment and increased condenser fouling

    SciTech Connect (OSTI)

    Walker, Michael E.; Theregowda, Ranjani B.; Safari, Iman; Abbasian, Javad; Arastoopour, Hamid; Dzombak, David A.; Hsieh, Ming-Kai; Miller, David C.

    2013-10-01

    A methodology is presented to calculate the total combined cost (TCC) of water sourcing, water treatment and condenser fouling in the recirculating cooling systems of thermoelectric power plants. The methodology is employed to evaluate the economic viability of using treated municipal wastewater (MWW) to replace the use of freshwater as makeup water to power plant cooling systems. Cost analyses are presented for a reference power plant and five different tertiary treatment scenarios to reduce the scaling tendencies of MWW. Results indicate that a 550 MW sub-critical coal fired power plant with a makeup water requirement of 29.3 ML/day has a TCC of $3.0 - 3.2 million/yr associated with the use of treated MWW for cooling. (All costs USD 2009). This translates to a freshwater conservation cost of $0.29/kL, which is considerably lower than that of dry air cooling technology, $1.5/kL, as well as the 2020 conservation cost target set by the U.S. Department of Energy, $0.74/kL. Results also show that if the available price of freshwater exceeds that of secondary-treated MWW by more than $0.13-0.14/kL, it can be economically advantageous to purchase secondary MWW and treat it for utilization in the recirculating cooling system of a thermoelectric power plant.

  16. A route to explain water anomalies from results on an aqueous solution of salt

    E-Print Network [OSTI]

    D. Corradini; M. Rovere; P. Gallo

    2010-03-26

    In this paper we investigate the possibility to detect the hypothesized liquid-liquid critical point of water in supercooled aqueous solutions of salts. Molecular dynamics computer simulations are conducted on bulk TIP4P water and on an aqueous solution of sodium chloride in TIP4P water, with concentration c = 0.67 mol/kg. The liquid-liquid critical point is found both in the bulk and in the solution. Its position in the thermodynamic plane shifts to higher temperature and lower pressure for the solution. Comparison with available experimental data allowed us to produce the phase diagrams of both bulk water and the aqueous solution as measurable in experiments. Given the position of the liquid-liquid critical point in the solution as obtained from our simulations, the experimental determination of the hypothesized liquid-liquid critical point of water in aqueous solutions of salts appears possible.

  17. Attachment of a Hydrophobically Modified Biopolymer at the Oil-Water Interface in the Treatment of Oil Spills

    E-Print Network [OSTI]

    Raghavan, Srinivasa

    Attachment of a Hydrophobically Modified Biopolymer at the Oil- Water Interface in the Treatment of Oil Spills Pradeep Venkataraman, Jingjian Tang, Etham Frenkel, Gary L. McPherson, Jibao He,§ Srinivasa: The stability of crude oil droplets formed by adding chemical dispersants can be considerably enhanced

  18. Development and Optimization of Chemically-Active Electrospun Nanofibers for Treatment of Impaired Water Sources

    E-Print Network [OSTI]

    Nalbandian, Michael Jean-Claude

    2014-01-01

    wastewater; however, the primary entry route into these systems is via effluent from wastewater treatment. [

  19. Percutaneous Intraductal Radiofrequency Ablation is a Safe Treatment for Malignant Biliary Obstruction: Feasibility and Early Results

    SciTech Connect (OSTI)

    Mizandari, Malkhaz [Tbilisi State Medical University, Department of Radiology (Georgia); Pai, Madhava, E-mail: madhava.pai@imperial.ac.uk; Xi Feng [Imperial College, London, Hammersmith Hospital Campus, Department of Surgery (United Kingdom); Valek, Vlastimil; Tomas, Andrasina [University Hospital Brno Bohunice, Department of Radiology (Czech Republic); Quaretti, Pietro [IRCCS Policlinico San Matteo, Department of Radiology (Italy); Golfieri, Rita; Mosconi, Cristina [University of Bologna, Department of Radiology, Policlinico S. Orsola-Malpighi (Italy); Ao Guokun [The 309 Hospital of Chinese PLA, Department of Radiology (China); Kyriakides, Charis [Imperial College, London, Hammersmith Hospital Campus, Department of Surgery (United Kingdom); Dickinson, Robert [Imperial College London, Department of Bioengineering (United Kingdom); Nicholls, Joanna; Habib, Nagy, E-mail: nagy.habib@imperial.ac.uk [Imperial College, London, Hammersmith Hospital Campus, Department of Surgery (United Kingdom)

    2013-06-15

    Purpose. Previous clinical studies have shown the safety and efficacy of this novel radiofrequency ablation catheter when used for endoscopic palliative procedures. We report a retrospective study with the results of first in man percutaneous intraductal radiofrequency ablation in patients with malignant biliary obstruction. Methods. Thirty-nine patients with inoperable malignant biliary obstruction were included. These patients underwent intraductal biliary radiofrequency ablation of their malignant biliary strictures following external biliary decompression with an internal-external biliary drainage. Following ablation, they had a metal stent inserted. Results. Following this intervention, there were no 30-day mortality, hemorrhage, bile duct perforation, bile leak, or pancreatitis. Of the 39 patients, 28 are alive and 10 patients are dead with a median survival of 89.5 (range 14-260) days and median stent patency of 84.5 (range 14-260) days. One patient was lost to follow-up. All but one patient had their stent patent at the time of last follow-up or death. One patient with stent blockage at 42 days postprocedure underwent percutaneous transhepatic drain insertion and restenting. Among the patients who are alive (n = 28) the median stent patency was 92 (range 14-260) days, whereas the patients who died (n = 10) had a median stent patency of 62.5 (range 38-210) days. Conclusions. In this group of patients, it appears that this new approach is feasible and safe. Efficacy remains to be proven in future, randomized, prospective studies.

  20. Gasbuggy, New Mexico, Natural Gas and Produced Water Sampling and Analysis Results for 2011

    SciTech Connect (OSTI)

    2011-09-01

    The U.S. Department of Energy (DOE) Office of Legacy Management conducted natural gas sampling for the Gasbuggy, New Mexico, site on June 7 and 8, 2011. Natural gas sampling consists of collecting both gas samples and samples of produced water from gas production wells. Water samples from gas production wells were analyzed for gamma-emitting radionuclides, gross alpha, gross beta, and tritium. Natural gas samples were analyzed for tritium and carbon-14. ALS Laboratory Group in Fort Collins, Colorado, analyzed water samples. Isotech Laboratories in Champaign, Illinois, analyzed natural gas samples.

  1. Gasbuggy, New Mexico, Natural Gas and Produced Water Sampling Results for 2012

    SciTech Connect (OSTI)

    2012-12-01

    The U.S. Department of Energy (DOE) Office of Legacy Management conducted annual natural gas sampling for the Gasbuggy, New Mexico, Site on June 20 and 21, 2012. This long-term monitoring of natural gas includes samples of produced water from gas production wells that are located near the site. Water samples from gas production wells were analyzed for gamma-emitting radionuclides, gross alpha, gross beta, and tritium. Natural gas samples were analyzed for tritium and carbon-14. ALS Laboratory Group in Fort Collins, Colorado, analyzed water samples. Isotech Laboratories in Champaign, Illinois, analyzed natural gas samples.

  2. Fate of Radionuclides in Wastewater Treatment Plants

    E-Print Network [OSTI]

    Shabani Samgh Abadi, Farzaneh

    2013-01-01

    by Aerobic Treatment. Journal (Water Pollution ControlWastewater Treatment Plants. Journal (Water Pollution

  3. Long Term Field Development of a Surfactant Modified Zeolite/Vapor Phase Bioreactor System for Treatment of Produced Waters for Power Generation

    SciTech Connect (OSTI)

    Lynn Katz; Kerry Kinney; Robert Bowman; Enid Sullivan; Soondong Kwon; Elaine Darby; Li-Jung Chen; Craig Altare

    2007-12-31

    The main goal of this research was to investigate the feasibility of using a combined physicochemical/biological treatment system to remove the organic constituents present in saline produced water. In order to meet this objective, a physical/chemical adsorption process was developed and two separate biological treatment techniques were investigated. Two previous research projects focused on the development of the surfactant modified zeolite adsorption process (DE-AC26-99BC15221) and development of a vapor phase biofilter (VPB) to treat the regeneration off-gas from the surfactant modified zeolite (SMZ) adsorption system (DE-FC26-02NT15461). In this research, the SMZ/VPB was modified to more effectively attenuate peak loads and to maintain stable biodegradation of the BTEX constituents from the produced water. Specifically, a load equalization system was incorporated into the regeneration flow stream. In addition, a membrane bioreactor (MBR) system was tested for its ability to simultaneously remove the aromatic hydrocarbon and carboxylate components from produced water. The specific objectives related to these efforts included the following: (1) Optimize the performance VPBs treating the transient loading expected during SMZ regeneration: (a) Evaluate the impact of biofilter operating parameters on process performance under stable operating conditions. (b) Investigate how transient loads affect biofilter performance, and identify an appropriate technology to improve biological treatment performance during the transient regeneration period of an SMZ adsorption system. (c) Examine the merits of a load equalization technology to attenuate peak VOC loads prior to a VPB system. (d) Evaluate the capability of an SMZ/VPB to remove BTEX from produced water in a field trial. (2) Investigate the feasibility of MBR treatment of produced water: (a) Evaluate the biodegradation of carboxylates and BTEX constituents from synthetic produced water in a laboratory-scale MBR. (b) Evaluate the capability of an SMZ/MBR system to remove carboxylates and BTEX from produced water in a field trial. Laboratory experiments were conducted to provide a better understanding of each component of the SMZ/VPB and SMZ/MBR process. Laboratory VPB studies were designed to address the issue of influent variability and periodic operation (see DE-FC26-02NT15461). These experiments examined multiple influent loading cycles and variable concentration loadings that simulate air sparging as the regeneration option for the SMZ system. Two pilot studies were conducted at a produced water processing facility near Farmington, New Mexico. The first field test evaluated SMZ adsorption, SMZ regeneration, VPB buffering, and VPB performance, and the second test focused on MBR and SMZ/MBR operation. The design of the field studies were based on the results from the previous field tests and laboratory studies. Both of the biological treatment systems were capable of removing the BTEX constituents in the laboratory and in the field over a range of operating conditions. For the VPB, separation of the BTEX constituents from the saline aqueous phase yielded high removal efficiencies. However, carboxylates remained in the aqueous phase and were not removed in the combined VPB/SMZ system. In contrast, the MBR was capable of directly treating the saline produced water and simultaneously removing the BTEX and carboxylate constituents. The major limitation of the MBR system is the potential for membrane fouling, particularly when the system is treating produced water under field conditions. The combined process was able to effectively pretreat water for reverse osmosis treatment and subsequent downstream reuse options including utilization in power generation facilities. The specific conclusions that can be drawn from this study are summarized.

  4. Treatment of drinking water to improve its sanitary or bacteriological quality is

    E-Print Network [OSTI]

    ,000 gallons), such an approach can be wasteful, increasing energy costs for the well pump to refill the tank-gallon bucket and fill the bucket with clean water. Thoroughly mix together the chlorine and water before

  5. Appropriate technology water treatment processes for MaeLa Temporary Shelter, Thailand

    E-Print Network [OSTI]

    Vater, Katherine Ann

    2008-01-01

    This thesis recommends the use of horizontal-flow roughing filters to treat spring water of variable annual quality in MaeLa Temporary Shelter, Thailand. The public drinking water system for 45,000 refugees is overseen by ...

  6. Application of Membranes to Treatment of Water Based Exploration and Production Wastes 

    E-Print Network [OSTI]

    Olatubi, Oluwaseun Alfred

    2010-10-12

    Produced water and spent drilling fluids from petroleum operations represent a significant expense to companies developing new energy reserves. These spent fluids, seldom recycled, offer a viable source of water resources for oil-field reuse. A...

  7. Meeting the Need for Safe Drinking Water in Rural Mexico through Point-of-Use Treatment

    E-Print Network [OSTI]

    Lang, Micah; Kaser, Forrest; Reygadas, Fermin; Nelson, Kara; Kammen, Daniel M.

    2006-01-01

    solar disinfection (SODIS), and UV disinfection are promising alternative approaches to meeting the urgent water quality needs of rural Mexico.

  8. Movement and treatment of water containing Escherichia coli applied to soil by subsurface drip emitters 

    E-Print Network [OSTI]

    Franti, Jason M

    2001-01-01

    , the distribution of water was not uniformly dispersed spherically around the emitter. Instead, water flowed conically toward the microcosm surface when soil water (P[w]) was highest and dispersed into the bottom of the microcosm in drier samples. Some management...

  9. An evaluation of household drinking water treatment systems in Peru : the table filter and the safe water system

    E-Print Network [OSTI]

    Coulbert, Brittany, 1981-

    2005-01-01

    (cont.) storage, and education. Tests on the SWSs in Peru demonstrated 99.6% E.coli removal and 95% total coliform removal. Only 30% of the SWSs tested contained water at or above the WHO-recommended concentration of free ...

  10. Water Loss Test Results for Lateral A Before and After Lining Hidalgo County Irrigation District No. 2 

    E-Print Network [OSTI]

    Leigh, E.; Fipps, G.

    2008-01-01

    for Test SJ14 ? Lateral A-8 (West of Stewart Rd.) District Test ID Hidalgo County Irrigation District No.2 SJ14 Canal Lining Type Lateral A-8 Concrete/GeoLiner Top Width Start Date/Time Finish Date/Time 15.977 feet (avg.) July 26, 2005 Test Length... stream_source_info TR-328 Water Loss Test Results Lateral A - Hidalgo Co. ID No. 2.pdf.txt stream_content_type text/plain stream_size 24542 Content-Encoding ISO-8859-1 stream_name TR-328 Water Loss Test Results Lateral A - Hidalgo Co...

  11. One-Step Fabrication of Photocatalytic Nanoporous Titania for Efficient Water Treatment

    E-Print Network [OSTI]

    Ashby, Duncan Zetzer

    2015-01-01

    Tryk, D. A. (2008). TiO2 photocatalysis and related surfacePrinciples of Photocatalysis ……………………………………………………….. 6 2.in water through photocatalysis. While current research

  12. NDMA Formation During Drinking Water Treatment: Veterinary Antibiotics as Precursors, the Effect of Natural Organic Matter and the Significance of Treatment Practices

    E-Print Network [OSTI]

    Roback, Shannon

    2015-01-01

    in Wastewaters, Sewage Sludges, and Surface Waters. CHIMIAin Wastewaters, Sewage Sludges, and Surface Waters. CHIMIA

  13. EPA ENERGY STAR Webcast: Benchmarking Water/Wastewater Treatment Facilities in Portfolio Manager

    Office of Energy Efficiency and Renewable Energy (EERE)

    Learn how to track the progress of energy efficiency efforts and compare the energy use of wastewater treatment plants to other peer facilities across the country. Attendees will learn how to...

  14. The mutagenic potential of soil and runoff water from land treatment of three hazardous industrial wastes 

    E-Print Network [OSTI]

    Davol, Phebe

    1987-01-01

    compounds in the environment. Dibble and Bartha (1979) observed an increase in concentration of condensed ring fractions as oily wastes degrade in soil. The accumulation of PNAs in the soil at a land treatment facility is of concern since many... pentachlorophenol and creosote as preservative agents. The effluent from the treatment process was pumped from a concrete storage basin to a large lagoon where the solids were allowed to settle while the liquids evaporated. At the ti me the waste was collected...

  15. Effect of Fuel Wobbe Number on Pollutant Emissions from Advanced Technology Residential Water Heaters: Results of Controlled Experiments

    E-Print Network [OSTI]

    Rapp, VH

    2014-01-01

    Emissions from Residential Water Heaters Table of Contents46 Table 10. Storage water heaters evaluated experimentally50 Table 11. Published information for water heater

  16. Adsorption of Estrone on nanofiltration and reverse osmosis membranes in water and wastewater treatment 

    E-Print Network [OSTI]

    Nghiem, D.L.; Schäfer, Andrea; Waite, T.D.

    2002-01-01

    Adsorption of the trace contaminant estrone, a natural hormone and commonly abundant in surface waters and in treated as well as untreated wastewaters, to eight commercial nanofiltration (NF) and reverse osmosis (RO) ...

  17. Sorption of micropollutant estrone to a water treatment ion exchange resin 

    E-Print Network [OSTI]

    Neale, Peta A.; Mastrup, Maibritt; Borgmann, Thomas; Schäfer, Andrea

    2010-01-01

    Micropollutants occur in natural waters from a range of sources. Estrogenic compounds are naturally excreted by humans and hence stem predominantly from wastewater effluents. Due to the small size and concentration of ...

  18. UK Innovation Potential in Advanced Water Treatment: Future Directions & Strategy I 

    E-Print Network [OSTI]

    Schäfer, Andrea; Walker, Mike; Bower, Matt; Ponton, George

    2011-01-01

    The below response to the twelve questions discussed by eight interdisciplinary groups during the water innovation workshop includes the breath of responses with some editorial comments (in italics). From those discussions ...

  19. Spirasol : improvements to semi-continuous solar disinfection water treatment systems

    E-Print Network [OSTI]

    Loux, Brian Michael, 1981-

    2005-01-01

    An experimental study was carried out to determine the feasibility of an original point of use solar water disinfection system created by the author and named "Spirasol." The study primarily focused on the comparison of ...

  20. Water treatment process and system for metals removal using Saccharomyces cerevisiae

    DOE Patents [OSTI]

    Krauter, Paula A. W. (Livermore, CA); Krauter, Gordon W. (Livermore, CA)

    2002-01-01

    A process and a system for removal of metals from ground water or from soil by bioreducing or bioaccumulating the metals using metal tolerant microorganisms Saccharomyces cerevisiae. Saccharomyces cerevisiae is tolerant to the metals, able to bioreduce the metals to the less toxic state and to accumulate them. The process and the system is useful for removal or substantial reduction of levels of chromium, molybdenum, cobalt, zinc, nickel, calcium, strontium, mercury and copper in water.

  1. System Description for the KW Basin Integrated Water Treatment System (IWTS) (70.3)

    SciTech Connect (OSTI)

    DERUSSEAU, R.R.

    2000-04-18

    This is a description of the system that collects and processes the sludge and radioactive ions released by the spent nuclear fuel (SNF) processing operations conducted in the 105 KW Basin. The system screens, settles, filters, and conditions the basin water for reuse. Sludge and most radioactive ions are removed before the water is distributed back to the basin pool. This system is part of the Spent Nuclear Fuel Project (SNFP).

  2. COMPARISON OF RESULTS FOR QUARTER 5 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUEL SERVICES SITE ERWIN TENNESSEE

    SciTech Connect (OSTI)

    2013-09-23

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on August 21, 2013. Representatives from the U.S. Nuclear Regulatory Commission (NRC) and the Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses, and the comparison of results using the duplicate error ratio (DER), also known as the normalized absolute difference, are tabulated. All DER values were less than 3 and results are consistent with low (e.g., background) concentrations.

  3. Effect of Fuel Wobbe Number on Pollutant Emissions from Advanced Technology Residential Water Heaters: Results of Controlled Experiments

    E-Print Network [OSTI]

    Rapp, VH

    2014-01-01

    tube Flue Temperature Varies with water heater Air inletnear water heater Air inlet near water heater APT: Automated99 Figure 56. Air intake for water heater AW07. Temperature

  4. Results and prospects of deep under-ground, under-water and under-ice experiments

    E-Print Network [OSTI]

    Zornoza, J D

    2014-01-01

    Astroparticle experiments have provided a long list of achievements both for particle physics and astrophysics. Many of these experiments require to be protected from the background produced by cosmic rays in the atmosphere. The main options for such protection are to build detectors deep under ground (mines, tunnels) or in the deep sea or antarctic ice. In this proceeding we review the main results shown in the RICAP 2013 conference related with these kind of experiments and the prospects for the future.

  5. ACCEPTED BY WATER ENVIRONMENT RESEARCH ODOR AND VOC REMOVAL FROM WASTEWATER TREATMENT PLANT

    E-Print Network [OSTI]

    volatile organic compounds (VOCs) and toxic air pollutants emitted from wastewater and solids handling Management District (SC-AQMD). Contaminated air at POTWs contains two major groups of pollutants: reduced the use of microorganisms that convert air pollutants into harmless end-products. Treatment costs

  6. Outcomes of High-Dose-Rate Interstitial Brachytherapy in the Treatment of Locally Advanced Cervical Cancer: Long-term Results

    SciTech Connect (OSTI)

    Pinn-Bingham, Melva; Puthawala, Ajmel A.; Syed, A.M. Nisar; Sharma, Anil; DiSaia, Philip; Berman, Michael; Tewari, Krishnansu S.; Randall-Whitis, Leslie; Mahmood, Usama; Ramsinghani, Nilam; Kuo, Jeffrey; Chen, Wen-Pin; McLaren, Christine E.

    2013-03-01

    Purpose: The purpose of this study was to determine locoregional control (LRC), disease-free survival (DFS), and toxicity of high-dose-rate interstitial brachytherapy (HDR-ISBT) in the treatment of locally advanced cervical cancer. Methods and Materials: Between March 1996 and May 2009, 116 patients with cervical cancer were treated. Of these, 106 (91%) patients had advanced disease (International Federation of Gynecology and Obstetrics stage IIB-IVA). Ten patients had stage IB, 48 had stage II, 51 had stage III, and 7 had stage IVA disease. All patients were treated with a combination of external beam radiation therapy (EBRT) to the pelvis (5040 cGy) and 2 applications of HDR-ISBT to a dose of 3600 cGy to the implanted volume. Sixty-one percent of patients also received interstitial hyperthermia, and 94 (81%) patients received chemotherapy. Results: Clinical LRC was achieved in 99 (85.3%) patients. Three-year DFS rates were 59%, 67%, 71%, and 57% for patients with stage IB, II, III, and IVA disease, respectively. The 5-year DFS and overall survival rates for the entire group were 60% and 44%, respectively. Acute and late toxicities were within acceptable limits. Conclusions: Locally advanced cervical cancer patients for whom intracavitary BT is unsuitable can achieve excellent LRC and OS with a combination of EBRT and HDR-ISBT.

  7. Treatment of Methyl tert-Butyl Ether Contaminated Water Using a Dense

    E-Print Network [OSTI]

    Dandy, David

    -massspectrometryandgaschromatography-thermal conductivity techniques. A rate law is developed for the removal of MTBE from an aqueous solution in the DMP of water in which alkyl groups have replaced both hydrogen atoms. In fact, the C-O-C bond angle is only, causing nationwide concern. Advanced oxidation technologies (AOTs) are techniques that involve an input

  8. COMPARISON OF RESULTS FOR QUARTER 4 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUELS SERVICES SITE, ERWIN, TN

    SciTech Connect (OSTI)

    none,

    2013-08-15

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on June 12, 2013. Representatives from the U.S. Nuclear Regulatory Commission (NRC) and the Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses, and Table 1 presents the comparison of results using the duplicate error ratio (DER), also known as the normalized absolute difference. A DER ≤ 3 indicates at a 99% confidence interval that split sample results do not differ significantly when compared to their respective one standard deviation (sigma) uncertainty (ANSI N42.22). The NFS split sample report specifies 95% confidence level of reported uncertainties (NFS 2013). Therefore, standard two sigma reporting values were divided by 1.96. In conclusion, most DER values were less than 3 and results are consistent with low (e.g., background) concentrations. The gross beta result for sample 5198W0014 was the exception. The ORAU gross beta result of 6.30 ± 0.65 pCi/L from location NRD is well above NFS's non-detected result of 1.56 ± 0.59 pCi/L. NFS's data package includes no detected result for any radionuclide at location NRD. At NRC's request, ORAU performed gamma spectroscopic analysis of sample 5198W0014 to identify analytes contributing to the relatively elevated gross beta results. This analysis identified detected amounts of naturally-occurring constituents, most notably Ac-228 from the thorium decay series, and does not suggest the presence of site-related contamination.

  9. Water/Wastewater Treatment Plant Field Device Wiring Method Decision Analysis

    E-Print Network [OSTI]

    Dicus, Scott C.

    2011-12-16

    protocols for field device communication exist, though the water/wastewater industry has only seen wide adoption of a few protocols including: Foundation Fieldbus H1, Profibus DP, Profibus PA, DeviceNet, Modbus, Hart, OPC, and Ethernet. These protocols..., field device networks are much more complex than a hardwired wiring method. During their infancy, field device networks were “comprised of specialized data links using various physical layer strategies, proprietary protocols, and varying degrees of conformity...

  10. A significant number of Iowa water treatment systems are dependent upon well-based water sources. Because of this, CIRAS efforts have been focused on the "Ground Water Levels" as reported by Iowa DNR. Currently, DNR officials are indicating that restricti

    E-Print Network [OSTI]

    Lin, Zhiqun

    A significant number of Iowa water treatment systems are dependent upon well-based water sources. Because of this, CIRAS efforts have been focused on the "Ground Water Levels" as reported by Iowa DNR. Currently, DNR officials are indicating that restrictions or loss of the water supply is not likely

  11. COMPARISON OF RESULTS FOR QUARTER 2 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUEL SERVICES SITE, ERWIN, TENNESSEE

    SciTech Connect (OSTI)

    2013-01-21

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on November 15, 2012. Representatives from the U.S. Nuclear Regulatory Commission and Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses, and the results are compared using the duplicate error ratio (DER), also known as the normalized absolute difference. A DER {<=} 3 indicates that, at a 99% confidence interval, split sample results do not differ significantly when compared to their respective one standard deviation (sigma) uncertainty (ANSI N42.22). The NFS split sample report does not specify the confidence level of reported uncertainties (NFS 2012). Therefore, standard two sigma reporting is assumed and uncertainty values were divided by 1.96. In conclusion, all DER values were less than 3 and results are consistent with low (e.g., background) concentrations.

  12. Turbid water Clear water

    E-Print Network [OSTI]

    Jaffe, Jules

    Turbid water Clear water pixel position cameraresponsecameraresponse pixel position ABSTRACT: A new underwater laser scanning system, providing microbathymetric information in coastal waters is described the backscatter component resulting in enhanced performance in turbid waters. The system is expected to provide

  13. COMPARISON OF RESULTS FOR QUARTER 3 SURFACE WATER SPLIT SAMPLES COLLECTED AT THE NUCLEAR FUEL SERVICES SITE, ERWIN, TENNESSEE

    SciTech Connect (OSTI)

    none,

    2013-05-28

    Oak Ridge Associated Universities (ORAU), under the Oak Ridge Institute for Science and Education (ORISE) contract, collected split surface water samples with Nuclear Fuel Services (NFS) representatives on March 20, 2013. Representatives from the U.S. Nuclear Regulatory Commission and the Tennessee Department of Environment and Conservation were also in attendance. Samples were collected at four surface water stations, as required in the approved Request for Technical Assistance number 11-018. These stations included Nolichucky River upstream (NRU), Nolichucky River downstream (NRD), Martin Creek upstream (MCU), and Martin Creek downstream (MCD). Both ORAU and NFS performed gross alpha and gross beta analyses, and Table 1 presents the comparison of results using the duplicate error ratio (DER), also known as the normalized absolute difference. A DER {<=} 3 indicates that at a 99% confidence interval, split sample results do not differ significantly when compared to their respective one standard deviation (sigma) uncertainty (ANSI N42.22). The NFS split sample report does not specify the confidence level of reported uncertainties (NFS 2013). Therefore, standard two sigma reporting is assumed and uncertainty values were divided by 1.96. In conclusion, most DER values were less than 3 and results are consistent with low (e.g., background) concentrations. The gross beta result for sample 5198W0012 was the exception. The ORAU result of 9.23 ± 0.73 pCi/L from location MCD is well above NFS's result of -0.567 ± 0.63 pCi/L (non-detected). NFS's data package included a detected result for U-233/234, but no other uranium or plutonium detection, and nothing that would suggest the presence of beta-emitting radionuclides. The ORAU laboratory reanalyzed sample 5198W0012 using the remaining portion of the sample volume and a result of 11.3 ± 1.1 pCi/L was determined. As directed, the laboratory also counted the filtrate using gamma spectrometry analysis and identified only naturally occurring or ubiquitous man-made constituents, including beta emitters that are presumably responsible for the elevated gross beta values.

  14. Integrated regional water management: Collaboration or water politics as usual?

    E-Print Network [OSTI]

    Lubell, Mark N.; Lippert, Lucas

    2010-01-01

    the water quality and waste water elements. At the sameAll water supply, waste water, and flood control agenciesprovide services like waste water treatment and drinking

  15. INTERIM RESULTS FROM A STUDY OF THE IMPACTS OF TIN(II) BASED MERCURY TREATMENT IN A SMALL STREAM ECOSYSTEM: TIMS BRANCH, SAVANNAH RIVER SITE

    SciTech Connect (OSTI)

    Looney, B.; Bryan, L.; Mathews, T.

    2012-03-30

    Mercury (Hg) has been identified as a 'persistent, bioaccumulative and toxic' pollutant with widespread impacts throughout North America and the world (EPA. 1997a, 1997b, 1998a, 1998b, 2000). Although most of the mercury in the environment is inorganic Hg, a small proportion of total Hg is transformed through the actions of aquatic microbes into methylmercury (MeHg). In contrast to virtually all other metals, MeHg biomagnifies or becomes increasingly concentrated as it is transferred through aquatic food chains so that the consumption of mercury contaminated fish is the primary route of this toxin to humans. For this reason, the ambient water quality criterion (AWQC) for mercury is based on a fish tissue endpoint rather than an aqueous Hg concentration, as the tissue concentration (e.g., < 0.3 {mu}g/g fillet) is considered to be a more consistent indicator of exposure and risk (EPA, 2001). Effective mercury remediation at point-source contaminated sites requires an understanding of the nature and magnitude of mercury inputs, and also knowledge of how these inputs must be controlled in order to achieve the desired reduction of mercury contamination in biota necessary for compliance with AWQC targets. One of the challenges to remediation is that mercury body burdens in fish are more closely linked to aqueous MeHg than to inorganic Hg concentrations (Sveinsdottir and Mason 2005), but MeHg production is not easily predicted or controlled. At point-source contaminated sites, mercury methylation is not only affected by the absolute mercury load, but also by the form of mercury loaded. In addition, once MeHg is formed, the hydrology, trophic structure, and water chemistry of a given system affect how it is transformed and transferred through the food chain to fish. Decreasing inorganic Hg concentrations and loading may often therefore be a more achievable remediation goal, but has led to mixed results in terms of responses in fish bioaccumulation. A number of source control measures have resulted in rapid responses in lake or reservoir fisheries (Joslin 1994, Turner and Southworth 1999; Orihel et al., 2007), but examples of similar responses in Hg-contaminated stream ecosystems are less common. Recent work suggests that stream systems may actually be more susceptible to mercury bioaccumulation than lakes, highlighting the need to better understand the ecological drivers of mercury bioaccumulation in stream-dwelling fish (Chasar et al. 2009, Ward et al. 2010). In the present study we examine the response of fish to remedial actions in Tims Branch, a point-source contaminated stream on the Department of Energy's (DOE) Savannah River Site in Aiken, South Carolina. This second order stream received inorganic mercury inputs at its headwaters from the 1950s-2000s which contaminated the water, sediments, and biota downstream. In 2007, an innovative mercury removal system using tin (II) chloride (stannous chloride, SnCl{sub 2}) was implemented at a pre-existing air stripper. Tin(II) reduces dissolved Hg (II) to Hg (0), which is removed by the air stripper. During this process, tin(II) is oxidized to tin (IV) which is expected to precipitate as colloidal tin(IV) oxides and hydroxides, particulate materials with relatively low toxicity (Hallas and Cooney, 1981, EPA 2002, ATSDR, 2005). The objectives of the present research are to provide an initial assessment of the net impacts of the tin(II) based mercury treatment on key biota and to document the distribution and fate of inorganic tin in this small stream ecosystem after the first several years of operating a full scale system. To support these objectives, we collected fish, sediment, water, invertebrates, and biofilm samples from Tims Branch to quantify the general behavior and accumulation patterns for mercury and tin in the ecosystem and to determine if the treatment process has resulted in: (1) a measurable beneficial impact on (i.e., decrease of) mercury concentration in upper trophic level fish and other biota; this is a key environmental endpoint since reducing mercury concen

  16. Uranium-Loaded Water Treatment Resins: 'Equivalent Feed' at NRC and Agreement State-Licensed Uranium Recovery Facilities - 12094

    SciTech Connect (OSTI)

    Camper, Larry W.; Michalak, Paul; Cohen, Stephen; Carter, Ted [Nuclear Regulatory Commission (United States)

    2012-07-01

    Community Water Systems (CWSs) are required to remove uranium from drinking water to meet EPA standards. Similarly, mining operations are required to remove uranium from their dewatering discharges to meet permitted surface water discharge limits. Ion exchange (IX) is the primary treatment strategy used by these operations, which loads uranium onto resin beads. Presently, uranium-loaded resin from CWSs and mining operations can be disposed as a waste product or processed by NRC- or Agreement State-licensed uranium recovery facilities if that licensed facility has applied for and received permission to process 'alternate feed'. The disposal of uranium-loaded resin is costly and the cost to amend a uranium recovery license to accept alternate feed can be a strong disincentive to commercial uranium recovery facilities. In response to this issue, the NRC issued a Regulatory Issue Summary (RIS) to clarify the agency's policy that uranium-loaded resin from CWSs and mining operations can be processed by NRC- or Agreement State-licensed uranium recovery facilities without the need for an alternate feed license amendment when these resins are essentially the same, chemically and physically, to resins that licensed uranium recovery facilities currently use (i.e., equivalent feed). NRC staff is clarifying its current alternate feed policy to declare IX resins as equivalent feed. This clarification is necessary to alleviate a regulatory and financial burden on facilities that filter uranium using IX resin, such as CWSs and mine dewatering operations. Disposing of those resins in a licensed facility could be 40 to 50 percent of the total operations and maintenance (O and M) cost for a CWS. Allowing uranium recovery facilities to treat these resins without requiring a license amendment lowers O and M costs and captures a valuable natural resource. (authors)

  17. Geochemical and isotopic results for groundwater, drainage waters, snowmelt, permafrost, precipitation in Barrow, Alaska (USA) 2012-2013

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Wilson, Cathy; Newman, Brent; Heikoop, Jeff

    2012-07-18

    Data include a large suite of analytes (geochemical and isotopic) for samples collected in Barrow, Alaska (2012-2013). Sample types are indicated, and include soil pore waters, drainage waters, snowmelt, precipitation, and permafrost samples.

  18. Geochemical and isotopic results for groundwater, drainage waters, snowmelt, permafrost, precipitation in Barrow, Alaska (USA) 2012-2013

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Wilson, Cathy; Newman, Brent; Heikoop, Jeff

    Data include a large suite of analytes (geochemical and isotopic) for samples collected in Barrow, Alaska (2012-2013). Sample types are indicated, and include soil pore waters, drainage waters, snowmelt, precipitation, and permafrost samples.

  19. Pool boiling heat transfer enhancement over cylindrical tubes with water at atmospheric pressure, Part I: Experimental results

    E-Print Network [OSTI]

    Kandlikar, Satish

    Pool boiling heat transfer enhancement over cylindrical tubes with water at atmospheric pressure online 4 May 2013 Keywords: Pool boiling Heat transfer enhancement Open microchannels Cylindrical tube boiling heat transfer over enhanced cylindrical microchannel test surfaces with water at atmospheric

  20. WO3/TiO2 nanotube photoanodes for solar water splitting with simultaneous wastewater treatment.

    SciTech Connect (OSTI)

    Reyes, Karla Rosa; Robinson, David B.

    2013-05-01

    Nanostructured WO3/TiO2 nanotubes with properties that enhance solar photoconversion reactions were developed, characterized and tested. The TiO2 nanotubes were prepared by anodization of Ti foil, and WO3 was electrodeposited on top of the nanotubes. SEM images show that these materials have the same ordered structure as TiO2 nanotubes, with an external nanostructured WO3 layer. Diffuse reflectance spectra showed an increase in the visible absorption relative to bare TiO2 nanotubes, and in the UV absorption relative to bare WO3 films. Incident simulated solar photon-to-current efficiency increased from 30% (for bare WO3) to 50% (for WO3/TiO2 composites). With the addition of diverse organic pollutants, the photocurrent densities exhibited more than a 5-fold increase. Chemical oxygen demand measurements showed the simultaneous photodegradation of organic pollutants. The results of this work indicate that the unique structure and composition of these composite materials enhance the charge carrier transport and optical properties compared with the parent materials.

  1. Methods to Study Intervention Sustainability Using Pre-existing, Community Interventions: Examples from the Water, Sanitation and Hygiene Sector

    E-Print Network [OSTI]

    Arnold, Benjamin Ford

    2009-01-01

    water treatment and ii Contents 3.4A.2 Water qualityfor using household water treatment . . . . . . . . . . . .

  2. Monitoring and evaluation of household water treatment and safe storage technologies : the sustained use of the KOSIM ceramic water filter in northern region Ghana

    E-Print Network [OSTI]

    Clopeck, Katherine L. (Katherine Lorraine)

    2009-01-01

    Today, approximately 884 million people lack access to an improved drinking water (WHO and UNICEF, 2008). According to the World Health Organization (WHO), contaminated water and poor sanitation cause 30,000 deaths worldwide ...

  3. Water Formatics Engineered formation of nanobubbles networks

    E-Print Network [OSTI]

    Jacob, Eshel Ben

    Water Formatics Engineered formation of nanobubbles networks in water and aqueous solutions We present the idea that the anomalous effects of rf-treatments of water and aqueous solution resulted from-bubble exchange interactions. These exchange interactions are mediated by the ordering of the water molecules

  4. Water_Treatment.cdr

    Office of Legacy Management (LM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of NaturalDukeWakefield Municipal Gas &SCE-SessionsSouth DakotaRobbins and700, 1. .&. ' , cMarch 20,WJLP-~Since

  5. Energy - Water Nexus -- Meeting the Energy and Water Needs of the Snake/Columbia River Basin in the 21st CenturyScience and Technology SummitConference Results

    SciTech Connect (OSTI)

    Paul L. Wichlacz; Gerald Sehlke

    2008-02-01

    In June 2007, representatives from federal, state, and academic institutions met to discuss the role of innovative science, technology, and policy in meeting future energy and water demands in the Snake-Columbia River Basin. Conference members assessed the state-of-the-science, technology, and associated research to develop cost-effective and environmentally sound methodologies and technologies to maximize the production of energy and availability of water and to minimize the consumption of both water and energy in the Snake-Columbia River system. Information on all phases of science and technology development, theoretical analysis, laboratory experiments, pilot tests, and field applications were relevant topics for discussion. An overview of current management needs was presented the first day. On the second day, five focus groups were created: ? Energy Generation and Use ? Water Allocation and Use ? Energy/Water Storage ? Environmental Considerations ? Social, Economic, Political, and Regulatory Considerations. Each group started with a list of status items and trends, and discussed the future challenges and research needed to reach four goals: ? Balance energy production and resource consumption ? Balance water availability and competing needs ? Balance water consumption/energy production and competing needs ? Balance environmental impacts and water use/energy production ? Balance costs and benefits of water use. The resulting initiatives were further broken down into three categories of importance: critical, important, and nice to do but could be delayed. Each initiative was assigned a number of dots to show a more refined ranking. The results of each focus group are given in the pages that follow. These results are intended to help local and regional researchers 1. Develop a technical strategy for developing cost-effective science and technology to predict, measure, monitor, purify, conserve, and store water and to maximize power generation, storage, and efficiency in the region 2. Evaluate methods and technologies for reducing the impacts of energy and water development and use on the environment.

  6. Long-Term Reduction in 137Cs Concentration in Food Crops on Coral Atolls Resulting from Potassium Treatment

    SciTech Connect (OSTI)

    Robison, W; Stone, E; Hamilton, T; Conrado, C

    2005-04-08

    Bikini Island was contaminated March 1, 1954 by the Bravo detonation (U.S nuclear test series, Castle) at Bikini Atoll. About 90% of the estimated dose from nuclear fallout to potential island residents is from cesium-137 ({sup 137}Cs) transferred from soil to plants that are consumed by residents. Thus, radioecology research efforts have been focused on removing {sup 137}Cs from soil and/or reducing its uptake into vegetation. Most effective was addition of potassium (K) to soil that reduces {sup 137}Cs concentration in fruits to 3-5% of pretreatment concentrations. Initial observations indicated this low concentration continued for some time after K was last applied. Long-term studies were designed to evaluate this persistence in more detail because it is very important to provide assurance to returning populations that {sup 137}Cs concentrations in food (and, therefore, radiation dose) will remain low for extended periods, even if K is not applied annually or biennially. Potassium applied at 300, 660, 1260, and 1970 kg ha{sup -1} lead to a {sup 137}Cs concentration in drinking coconut meat that is 34, 22, 10, and about 4 % of original concentration, respectively. Concentration of {sup 137}Cs remains low 8 to 10 y after K is last applied. An explanation for this unexpected result is discussed.

  7. Long-Term Reduction in 137Cs Concentration in Food Crops on Coral Atolls Resulting from Potassium Treatment

    SciTech Connect (OSTI)

    Robison, W L; Stone, E L; Hamilton, T F; Conrado, C L

    2004-04-14

    Bikini Island was contaminated March 1, 1954 by the Bravo detonation (U.S nuclear test series, Castle) at Bikini Atoll. About 90% of the estimated dose from nuclear fallout to potential island residents is from cesium-137 ({sup 137}Cs) transferred from soil to plants that are consumed by residents. Thus, radioecology research efforts have been focused on removing {sup 137}Cs from soil and/or reducing its uptake into vegetation. Most effective was addition of potassium (K) to soil that reduces {sup 137}Cs concentration in fruits to 3-5% of pretreatment concentrations. Initial observations indicated this low concentration continued for some time after K was last applied. Long-term studies were designed to evaluate this persistence in more detail because it is very important to provide assurance to returning populations that {sup 137}Cs concentrations in food (and, therefore, radiation dose) will remain low for extended periods, even if K is not applied annually or biennially. Potassium applied at 300, 660, 1260, and 2070 kg ha{sup -1} lead to a {sup 137}Cs concentration in drinking coconut meat that is 34, 22, 10, and about 4% of original concentration, respectively. Concentration of {sup 137}Cs remains low 8 to 10 y after K is last applied. An explanation for this unexpected result is discussed.

  8. Preliminary Results of Whole Brain Radiotherapy With Concurrent Trastuzumab for Treatment of Brain Metastases in Breast Cancer Patients

    SciTech Connect (OSTI)

    Chargari, Cyrus; Idrissi, Hind Riahi; Pierga, Jean-Yves; Bollet, Marc A.; Dieras, Veronique; Campana, Francois; Cottu, Paul; Fourquet, Alain; Kirova, Youlia M.

    2011-11-01

    Purpose: To assess the use of trastuzumab concurrently with whole brain radiotherapy (WBRT) for patients with brain metastases from human epidermal growth factor receptor-2-positive breast cancer. Methods and Materials: Between April 2001 and April 2007, 31 patients with brain metastases from human epidermal growth factor receptor-2-positive breast cancer were referred for WBRT with concurrent trastuzumab. At brain progression, the median age was 55 years (range, 38-73), and all patients had a performance status of 0-2. The patients received trastuzumab 2 mg/kg weekly (n = 17) or 6 mg/kg repeated every 21 days (n = 14). In 26 patients, concurrent WBRT delivered 30 Gy in 10 daily fractions. In 6 patients, other fractionations were chosen because of either poor performance status or patient convenience. Results: After WBRT, radiologic responses were observed in 23 patients (74.2%), including 6 (19.4%) with a complete radiologic response and 17 (54.8%) with a partial radiologic response. Clinical responses were observed in 27 patients (87.1%). The median survival time from the start of WBRT was 18 months (range, 2-65). The median interval to brain progression was 10.5 months (range, 2-27). No Grade 2 or greater acute toxicity was observed. Conclusion: The low toxicity of trastuzumab concurrently with WBRT should probably not justify delays. Although promising, these preliminary data warrant additional validation of trastuzumab as a potential radiosensitizer for WBRT in brain metastases from breast cancer in the setting of a clinical trial.

  9. Effect of Fuel Wobbe Number on Pollutant Emissions from Advanced Technology Residential Water Heaters: Results of Controlled Experiments

    SciTech Connect (OSTI)

    Rapp, Vi H.; Singer, Brett C.

    2014-03-01

    The research summarized in this report is part of a larger effort to evaluate the potential air quality impacts of using liquefied natural gas in California. A difference of potential importance between many liquefied natural gas blends and the natural gas blends that have been distributed in California in recent years is the higher Wobbe number of liquefied natural gas. Wobbe number is a measure of the energy delivery rate for appliances that use orifice- or pressure-based fuel metering. The effect of Wobbe number on pollutant emissions from residential water heaters was evaluated in controlled experiments. Experiments were conducted on eight storage water heaters, including five with “ultra low-NO{sub X}” burners, and four on-demand (tankless) water heaters, all of which featured ultra low-NO{sub X} burners. Pollutant emissions were quantified as air-free concentrations in the appliance flue and fuel-based emission factors in units of nanogram of pollutant emitter per joule of fuel energy consumed. Emissions were measured for carbon monoxide (CO), nitrogen oxides (NO{sub X}), nitrogen oxide (NO), formaldehyde and acetaldehyde as the water heaters were operated through defined operating cycles using fuels with varying Wobbe number. The reference fuel was Northern California line gas with Wobbe number ranging from 1344 to 1365. Test fuels had Wobbe numbers of 1360, 1390 and 1420. The most prominent finding was an increase in NO{sub X} emissions with increasing Wobbe number: all five of the ultra low-NO{sub X} storage water heaters and two of the four ultra low-NO{sub X} on-demand water heaters had statistically discernible (p<0.10) increases in NO{sub X} with fuel Wobbe number. The largest percentage increases occurred for the ultra low-NO{sub X} water heaters. There was a discernible change in CO emissions with Wobbe number for all four of the on-demand devices tested. The on-demand water heater with the highest CO emissions also had the largest CO increase with increasing fuel Wobbe number.

  10. The sediment resuspension event scours dissolved phase contaminants from the water column. As a result, a short-term

    E-Print Network [OSTI]

    NOAA Great Lakes Environmental Research Laboratory, Episodic Events

    The sediment resuspension event scours dissolved phase contaminants from the water column loading estimates to the southern basin in the absence of sediment resuspension, respectively. In southern Lake Michigan, the impact of the sediment resuspension event is magnified because of heavy atmospheric

  11. Introduction Counterpropagating interactions Numerical methods Co-propagating interactions A result on energy transfer Solitary water wave interactions

    E-Print Network [OSTI]

    Craig, Walter

    on energy transfer Solitary water wave interactions Walter Craig Department of Mathematics & Statistics (energy loss) and S (amplitude change). Walter Craig McMaster University Solitary wave interactions #12 (energy loss) and S (amplitude change). Walter Craig McMaster University Solitary wave interactions #12

  12. HWMA/RCRA Closure Plan for the Basin Facility Basin Water Treatment System - Voluntary Consent Order NEW-CPP-016 Action Plan

    SciTech Connect (OSTI)

    Evans, S. K.

    2007-11-07

    This Hazardous Waste Management Act/Resource Conservation and Recovery Act closure plan for the Basin Water Treatment System located in the Basin Facility (CPP-603), Idaho Nuclear Technology and Engineering Center (INTEC), Idaho National Laboratory Site, was developed to meet future milestones established under the Voluntary Consent Order. The system to be closed includes units and associated ancillary equipment included in the Voluntary Consent Order NEW-CPP-016 Action Plan and Voluntary Consent Order SITE-TANK-005 Tank Systems INTEC-077 and INTEC-078 that were determined to have managed hazardous waste. The Basin Water Treatment System will be closed in accordance with the requirements of the Hazardous Waste Management Act/Resource Conservation and Recovery Act, as implemented by the Idaho Administrative Procedures Act 58.01.05.009 and 40 Code of Federal Regulations 265, to achieve "clean closure" of the tank system. This closure plan presents the closure performance standards and methods of achieving those standards for the Basin Water Treatment Systems.

  13. Water Resources Research Center Annual Technical Report

    E-Print Network [OSTI]

    on water quality issues including water recycling, operation of wastewater treatment facilities, wind-powered

  14. Water Resources Research Center Annual Technical Report

    E-Print Network [OSTI]

    Congressional District: Fifth Research Category: None Focus Category: Treatment, Waste Water, Surface Water

  15. Water Resources Research Center Annual Technical Report

    E-Print Network [OSTI]

    District: Fifth Research Category: None Focus Category: Treatment, Waste Water, Surface Water Descriptors

  16. Evaluation of biological treatment of pharmaceutical waste water with PAC (powdered activated carbon) addition. Volume 1. Final report

    SciTech Connect (OSTI)

    Gardner, D.A.; Osantowski, R.A.

    1988-05-01

    A lack of information on applicable removal technologies for total chemical oxygen demand (TCOD) prevented promulgation of best available technology economically achievable (BAT) limitations and new source performance standards (NSPS) for TCOD for pharmaceutical manufacturing plants in 1983 (EPA/440/1-83/084). One technology that was evaluated was powdered activated carbon (PAC) addition to an activated-sludge system (PACT*). A viscous floating mass of mixed-liquor solids (VFMLS) developed in the PACT units and resulted in premature termination of the study. The purposes of the study were to: (1) attempt to find the cause of the formation of the VFMLS; (2) generate additional research data for TCOD removal from pharmaceutical waste water using the PACT process; (3) evaluate the efficiency of PACT in removing specific organics; (4) evaluate the effectiveness of PACT in reducing effluent aquatic toxicity and (5) evaluate the use of a selector to improve the settleability of the mixed liquor. One control unit, two PACT units and a unit equipped with a series of selector basins for improving the settling characteristics of the mixed-liquor suspended solids were operated.

  17. Sampling and analysis plan for treatment water and creek water for the Lower East Fork Poplar Creek Operable Unit, Oak Ridge, Tennessee

    SciTech Connect (OSTI)

    NONE

    1996-04-01

    This document provides the Environmental Restoration Program with information about the methodology, organizational structure, quality assurance and health and safety practices to be employed during the water sampling and analysis activities associated with the remediation of the Lower East Fork Poplar Creek Operable Unit during remediation of the National Oceanic and Atmospheric Administration and Bruner sites.

  18. Onondaga County Department of Water Environment Protection: Process Optimization Saves Energy at Metropolitan Syracuse Wastewater Treatment Plant

    SciTech Connect (OSTI)

    2010-06-25

    This DOE Industrial Technologies Program spotlight describes how Onondaga County, New York, is saving nearly 3 million kWh and 270 million Btu annually at a wastewater treatment plant after replacing inefficient motors and upgrading pumps.

  19. Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    was fed cyanide laden wastewater and produced treated water with no measurable cyanide. The results from to test a pilot-scale plant for treatment of cyanide contaminated water. During the first yearWater Resources Center Annual Technical Report FY 1998 Introduction Research Program Basic Project

  20. TEX-A-SYST: Reducing the Risk of Ground Water Contamination by Improving Livestock Manure Storage and Treatment Facilities 

    E-Print Network [OSTI]

    Harris, Bill L.; Hoffman, D.; Mazac Jr., F. J.

    1997-08-29

    Improperly managed manure can contaminate both ground and surface water. Storing manure allows producers to spread it when crops can best use the nutrients. This publication explains safe methods of manure storage, as well as specifics about safe...

  1. Status of household water treatment and safe storage in 45 countries and a case study in Northern India

    E-Print Network [OSTI]

    Jain, Mehul

    2010-01-01

    This thesis examines the present of the status of HWTS technologies across the world, and in one location Lucknow, India. The data for the global status of HWTS was collected by contacting the Water, Sanitation and Hygiene ...

  2. TEX-A-SYST: Reducing the Risk of Ground Water Contamination by Improving Milking Center Wastewater Treatment 

    E-Print Network [OSTI]

    Harris, Bill L.; Hoffman, D.; Mazac Jr., F. J.

    1997-08-29

    Storing wastewater from the milking center and applying it to crops is the best method of preventing ground water contamination. This publication discusses proper methods of storing and applying such waste, with illustrations of a detention pond...

  3. Light Water Reactor Sustainability Program: Computer-based procedure for field activities: results from three evaluations at nuclear power plants

    SciTech Connect (OSTI)

    Oxstrand, Johanna; Bly, Aaron; LeBlanc, Katya

    2014-09-01

    Nearly all activities that involve human interaction with the systems of a nuclear power plant are guided by procedures. The paper-based procedures (PBPs) currently used by industry have a demonstrated history of ensuring safety; however, improving procedure use could yield tremendous savings in increased efficiency and safety. One potential way to improve procedure-based activities is through the use of computer-based procedures (CBPs). Computer-based procedures provide the opportunity to incorporate context driven job aids, such as drawings, photos, just-in-time training, etc into CBP system. One obvious advantage of this capability is reducing the time spent tracking down the applicable documentation. Additionally, human performance tools can be integrated in the CBP system in such way that helps the worker focus on the task rather than the tools. Some tools can be completely incorporated into the CBP system, such as pre-job briefs, placekeeping, correct component verification, and peer checks. Other tools can be partly integrated in a fashion that reduces the time and labor required, such as concurrent and independent verification. Another benefit of CBPs compared to PBPs is dynamic procedure presentation. PBPs are static documents which limits the degree to which the information presented can be tailored to the task and conditions when the procedure is executed. The CBP system could be configured to display only the relevant steps based on operating mode, plant status, and the task at hand. A dynamic presentation of the procedure (also known as context-sensitive procedures) will guide the user down the path of relevant steps based on the current conditions. This feature will reduce the user’s workload and inherently reduce the risk of incorrectly marking a step as not applicable and the risk of incorrectly performing a step that should be marked as not applicable. As part of the Department of Energy’s (DOE) Light Water Reactors Sustainability Program, researchers at Idaho National Laboratory (INL) along with partners from the nuclear industry have been investigating the design requirements for computer-based work instructions (including operations procedures, work orders, maintenance procedures, etc.) to increase efficiency, safety, and cost competitiveness of existing light water reactors.

  4. Drinking Water Problems: Nitrates 

    E-Print Network [OSTI]

    Dozier, Monty; Melton, Rebecca; Hare, Michael; Hopkins, Janie; Lesikar, Bruce J.

    2008-03-28

    at http://ag.arizona.edu/pubs/water/ az9420.pdf. ?Drinking Water Treatment: Distillation.? Nebraska Cooperative Extension. Available at http://ianrpubs. unl.edu/water/g1493.htm. ?Electrodyalisis.? GE Infrastructure Water & Process Technologies. General...

  5. Polymer treatments for D Sand water injection wells: Sooner D Sand Unit Weld County, Colorado. Final report, April 1997

    SciTech Connect (OSTI)

    Cannon, T.J.

    1998-10-01

    Polymer-gel treatments in injection wells were evaluated for improving sweep efficiency in the D Sandstone reservoir at the Sooner Unit, Weld County, Colorado. Polymer treatments of injection wells at the Sooner Unit were expected to improve ultimate recovery by 1.0 percent of original-oil-in-place of 70,000 bbl of oil. The Sooner D Sand Unit was a demonstration project under the US Department of Energy Class I Oil Program from which extensive reservoir data and characterization were obtained. Thus, successful application of polymer-gel treatments at the Sooner Unit would be a good case-history example for other operators of waterfloods in Cretaceous sandstone reservoirs in the Denver Basin.

  6. Physico-chemical fracturing and cleaning of coal. [Treatment with CO/sub 2/ in water at high pressure

    DOE Patents [OSTI]

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

    1983-09-30

    This invention relates to a method of producing a crushable coal and reducing the metallic values in coal represented by Si, Al, Ca, Na, K, and Mg, which comprises contacting a coal/water mix in a weight ratio of from about 4:1 to 1:6 in the presence of CO/sub 2/ at pressures of about 100 to 1400 psi and a minimum temperature of about 15/sup 0/C for a period of about one or more hours to produce a treated coal/water mix. In the process the treated coal/water mix has reduced values for Ca and Mg of up to 78% over the starting mix and the advantageous CO/sub 2/ concentration is in the range of about 3 to 30 g/L. Below 5 g/L CO/sub 2/ only small effects are observed and above 30 g/L no further special advantages are achieved. The coal/water ratios in the range 1:2 to 2:1 are particularly desirable and such ratios are compatible with coal water slurry applications.

  7. WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY

    E-Print Network [OSTI]

    Fox, J.P.

    2010-01-01

    and sludges produced by retort water treatment should bewaters woulp not require treatment since they are producedtreatment technology. Mine waters, by contrast, are produced

  8. Household Water Quality Home Water Quality Problems

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    Household Water Quality Home Water Quality Problems­ Causes and Treatments Blake Ross, Extension impurities can be corrected if they are a nuisance. Before beginning any treatment plan, have water tested select the most effective and economical treatment method. www.ext.vt.edu Produced by Communications

  9. Langerhans Lab Protocols Water treatment & aging.docx revised 3/13/14 Page 1 of 1

    E-Print Network [OSTI]

    Langerhans, Brian

    scrubbed with the green plastic scrubber or the coarse side of the sponge and thoroughly rinsed. 2.5 g) Marine Mix or Instant Ocean for ~0.7 ppt salinity. 3. Fill the bucket to the top with tap water

  10. Intra-Arterial Rhenium-188 Lipiodol in the Treatment of Inoperable Hepatocellular Carcinoma: Results of an IAEA-Sponsored Multination Study

    SciTech Connect (OSTI)

    Bernal, Patricia; Raoul, Jean-Luc Vidmar, Gaj; Sereegotov, Erdenechimeg; Sundram, Felix X.; Kumar, Ajay; Jeong, Jae Min; Pusuwan, Pawana; Divgi, Chaitanya; Zanzonico, Pat; Stare, Janez; Buscombe, John; Chau Trinh Thi Minh; Saw, Maung Maung; Chen Shaoliang; Ogbac, Ruben; Padhy, Ajit K.

    2007-12-01

    Purpose: Intra-arterial injections (IAI) of 131I-lipiodol is effective in treating hepatocellular carcinoma patients, but is expensive and requires a 7-day hospitalization in a radioprotection room. 188Re is inexpensive, requires no patient isolation, and can be used with lipiodol. Methods and Materials: This International Atomic Energy Agency-sponsored phase II trial aimed to assess the safety and the efficacy of a radioconjugate 188Re + lipiodol (188Re-Lip) in a large cohort of hepatocellular carcinoma patients from developing countries. A scout dose is used to determine the maximal tolerated dose (lungs <12 Gy, normal liver <30 Gy, bone marrow <1.5 Gy) and then the delivery of the calculated activity. Efficacy was assessed using response evaluation criteria in solid tumor (RECIST) and alpha-feto-protein ({alpha}FP) levels and severe adverse events were graded using the Common Toxicity Criteria of the National Cancer Institute scale v2.0. Results: The trial included 185 patients from eight countries. The procedure was feasible in all participating centers. One treatment was given to 134 patients; 42, 8, and 1 received two, three, and four injections, respectively. The injected activity during the first treatment was 100 mCi. Tolerance was excellent. We observed three complete responses and 19 partial responses (22% of evaluable patients, 95% confidence interval 16-35%); 1- and 2-year survivals were 46% and 23%. Some factors affected survival: country of origin, existence of a cirrhosis, Cancer of the Liver Italian Program score, tumor dose, absence of progression, and posttreatment decrease in {alpha}FP level. Conclusions: IAI of 188Re-Lip in developing countries is feasible, safe, cost-effective, and deserves a phase III trial.

  11. Humidification Steam vs. Water-Spray 

    E-Print Network [OSTI]

    Gidwani, B. N.; Weston, R. F.

    1984-01-01

    study was done at GSFC to evaluate alternate methods of humidification. The result of this study is that the most economical system for humidification is atomization with deionization for water treatment....

  12. Saving Water Saves Energy

    SciTech Connect (OSTI)

    McMahon, James E.; Whitehead, Camilla Dunham; Biermayer, Peter

    2006-06-15

    Hot water use in households, for showers and baths as wellas for washing clothes and dishes, is a major driver of household energyconsumption. Other household uses of water (such as irrigatinglandscaping) require additional energy in other sectors to transport andtreat the water before use, and to treat wastewater. In California, 19percent of total electricity for all sectors combined and 32 percent ofnatural gas consumption is related to water. There is a criticalinterdependence between energy and water systems: thermal power plantsrequire cooling water, and water pumping and treatment require energy.Energy efficiency can be increased by a number of means, includingmore-efficient appliances (e.g., clothes washers or dishwashers that useless total water and less heated water), water-conserving plumbingfixtures and fittings (e.g., showerheads, faucets, toilets) and changesin consumer behavior (e.g., lower temperature set points for storagewater heaters, shorter showers). Water- and energy-conserving activitiescan help offset the stress imposed on limited water (and energy) suppliesfrom increasing population in some areas, particularly in drought years,or increased consumption (e.g., some new shower systems) as a result ofincreased wealth. This paper explores the connections between householdwater use and energy, and suggests options for increased efficiencies inboth individual technologies and systems. Studies indicate that urbanwater use can be reduced cost-effectively by up to 30 percent withcommercially available products. The energy savings associated with watersavings may represent a large additional and largely untappedcost-effective opportunity.

  13. The sweet spot of forward osmosis: Treatment of produced water, drilling wastewater, and other complex and difficult liquid streams

    E-Print Network [OSTI]

    for nearly 45% of the natural gas produced in the U.S. by 2035 [6,7]. As production in- creases and new complex and difficult liquid streams Bryan D. Coday a , Pei Xu b , Edward G. Beaudry c , Jack Herron c Oasys Water, Boston, MA, USA H I G H L I G H T S · Highly impaired liquid streams can be sustainably

  14. Water Research Institute Annual Technical Report

    E-Print Network [OSTI]

    District: WV 1 Research Category: Water Quality Focus Category: Waste Water, Treatment, Recreation Descriptors: post mining land use, waste water,water quality, site selection, waste reduction, parameter

  15. Five-year Results of Whole Breast Intensity Modulated Radiation Therapy for the Treatment of Early Stage Breast Cancer: The Fox Chase Cancer Center Experience

    SciTech Connect (OSTI)

    Keller, Lanea M.M.; Sopka, Dennis M.; Li Tianyu; Klayton, Tracy; Li Jinsheng; Anderson, Penny R.; Bleicher, Richard J.; Sigurdson, Elin R.; Freedman, Gary M.

    2012-11-15

    Purpose: To report the 5-year outcomes using whole-breast intensity-modulated radiation therapy (IMRT) for the treatment of early-stage-breast cancer at the Fox Chase Cancer Center. Methods and Materials: A total of 946 women with early-stage breast cancer (stage 0, I, or II) were treated with IMRT after surgery with or without systemic therapy from 2003-2010. Whole-breast radiation was delivered via an IMRT technique with a median whole-breast radiation dose of 46 Gy and median tumor bed boost of 14 Gy. Endpoints included local-regional recurrence, cosmesis, and late complications. Results: With a median follow-up of 31 months (range, 1-97 months), there were 12 ipsilateral breast tumor recurrences (IBTR) and one locoregional recurrence. The 5-year actuarial IBTR and locoregional recurrence rates were 2.0% and 2.4%. Physician-reported cosmestic outcomes were available for 645 patients: 63% were considered 'excellent', 33% 'good', and <1.5% 'fair/poor'. For physician-reported cosmesis, boost doses {>=}16 Gy, breast size >900 cc, or boost volumes >34 cc were significantly associated with a 'fair/poor' cosmetic outcome. Fibrosis, edema, erythema, and telangectasia were also associated with 'fair/poor' physician-reported cosmesis; erythema and telangectasia remained significant on multivariate analysis. Patient-reported cosmesis was available for 548 patients, and 33%, 50%, and 17% of patients reported 'excellent', 'good', and 'fair/poor' cosmesis, respectively. The use of a boost and increased boost volume: breast volume ratio were significantly associated with 'fair/poor' outcomes. No parameter for patient-reported cosmesis was significant on multivariate analysis. The chances of experiencing a treatment related effect was significantly associated with a boost dose {>=}16 Gy, receipt of chemotherapy and endocrine therapy, large breast size, and electron boost energy. Conclusions: Whole-breast IMRT is associated with very low rates of local recurrence at 5 years, 83%-98% 'good/excellent' cosmetic outcomes, and minimal chronic toxicity, including late fibrosis.

  16. Opportunities for Automated Demand Response in Wastewater Treatment Facilities in California - Southeast Water Pollution Control Plant Case Study

    SciTech Connect (OSTI)

    Olsen, Daniel; Goli, Sasank; Faulkner, David; McKane, Aimee

    2012-12-20

    This report details a study into the demand response potential of a large wastewater treatment facility in San Francisco. Previous research had identified wastewater treatment facilities as good candidates for demand response and automated demand response, and this study was conducted to investigate facility attributes that are conducive to demand response or which hinder its implementation. One years' worth of operational data were collected from the facility's control system, submetered process equipment, utility electricity demand records, and governmental weather stations. These data were analyzed to determine factors which affected facility power demand and demand response capabilities The average baseline demand at the Southeast facility was approximately 4 MW. During the rainy season (October-March) the facility treated 40% more wastewater than the dry season, but demand only increased by 4%. Submetering of the facility's lift pumps and centrifuges predicted load shifts capabilities of 154 kW and 86 kW, respectively, with large lift pump shifts in the rainy season. Analysis of demand data during maintenance events confirmed the magnitude of these possible load shifts, and indicated other areas of the facility with demand response potential. Load sheds were seen to be possible by shutting down a portion of the facility's aeration trains (average shed of 132 kW). Load shifts were seen to be possible by shifting operation of centrifuges, the gravity belt thickener, lift pumps, and external pump stations These load shifts were made possible by the storage capabilities of the facility and of the city's sewer system. Large load reductions (an average of 2,065 kW) were seen from operating the cogeneration unit, but normal practice is continuous operation, precluding its use for demand response. The study also identified potential demand response opportunities that warrant further study: modulating variable-demand aeration loads, shifting operation of sludge-processing equipment besides centrifuges, and utilizing schedulable self-generation.

  17. NORDIC WASTE WATER TREATMENT SLUDGE TREATMENT

    E-Print Network [OSTI]

    biogas, electricity and fertilizer from 30 000 tons of annually waste. The plant was opened in March 2008 together it an- nually produces 18,9 GWh biogas and around 10 GWh of elec- tricity. The Cambi THP ­process

  18. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    energy-moving-water-11-activities Current search Search found 1 item Water Remove Water filter Electricity Remove Electricity filter Filter by Resource Type All Results (1)...

  19. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Energy Usage Search results Search results Enter terms Search Showing 1 - 2 of 2 results. Download Electrolysis of Water Students observe the electrolysis of water using either...

  20. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Page Hydropower Basics How does water power energy work? Water turbine http:energy.goveerewater...

  1. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Search results Search results Enter terms Search Showing 11 - 20 of 11 results. Page Hydropower Basics How does water power energy work? Water turbine http:energy.goveerewater...

  2. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Hydrogen & Fuel Cells Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Download Electrolysis of Water Students observe the electrolysis of water using...

  3. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Renewables Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Download Electrolysis of Water Students observe the electrolysis of water using either...

  4. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Download Electrolysis of Water Students observe the electrolysis of water using either photovoltaics...

  5. Computation Results from a Parametric Study to Determine Bounding Critical Systems of Homogeneously Water-Moderated Mixed Plutonium--Uranium Oxides

    SciTech Connect (OSTI)

    Shimizu, Y.

    2001-01-11

    This report provides computational results of an extensive study to examine the following: (1) infinite media neutron-multiplication factors; (2) material bucklings; (3) bounding infinite media critical concentrations; (4) bounding finite critical dimensions of water-reflected and homogeneously water-moderated one-dimensional systems (i.e., spheres, cylinders of infinite length, and slabs that are infinite in two dimensions) that were comprised of various proportions and densities of plutonium oxides and uranium oxides, each having various isotopic compositions; and (5) sensitivity coefficients of delta k-eff with respect to critical geometry delta dimensions were determined for each of the three geometries that were studied. The study was undertaken to support the development of a standard that is sponsored by the International Standards Organization (ISO) under Technical Committee 85, Nuclear Energy (TC 85)--Subcommittee 5, Nuclear Fuel Technology (SC 5)--Working Group 8, Standardization of Calculations, Procedures and Practices Related to Criticality Safety (WG 8). The designation and title of the ISO TC 85/SC 5/WG 8 standard working draft is WD 14941, ''Nuclear energy--Fissile materials--Nuclear criticality control and safety of plutonium-uranium oxide fuel mixtures outside of reactors.'' Various ISO member participants performed similar computational studies using their indigenous computational codes to provide comparative results for analysis in the development of the standard.

  6. Exploiting interfacial water properties for desalination and purification applications.

    SciTech Connect (OSTI)

    Xu, Hongwu; Varma, Sameer; Nyman, May Devan; Alam, Todd Michael; Thuermer, Konrad; Holland, Gregory P.; Leung, Kevin; Liu, Nanguo; Xomeritakis, George K.; Frankamp, Benjamin L.; Siepmann, J. Ilja; Cygan, Randall Timothy; Hartl, Monika A.; Travesset, Alex; Anderson, Joshua A.; Huber, Dale L.; Kissel, David J.; Bunker, Bruce Conrad; Lorenz, Christian Douglas; Major, Ryan C.; McGrath, Matthew J.; Farrow, Darcie; Cecchi, Joseph L.; van Swol, Frank B.; Singh, Seema; Rempe, Susan B.; Brinker, C. Jeffrey; Clawson, Jacalyn S.; Feibelman, Peter Julian; Houston, Jack E.; Crozier, Paul Stewart; Criscenti, Louise Jacqueline; Chen, Zhu; Zhu, Xiaoyang; Dunphy, Darren Robert; Orendorff, Christopher J.; Pless, Jason D.; Daemen, Luke L.; Gerung, Henry; Ockwig, Nathan W.; Nenoff, Tina Maria; Jiang, Ying-Bing; Stevens, Mark Jackson

    2008-09-01

    A molecular-scale interpretation of interfacial processes is often downplayed in the analysis of traditional water treatment methods. However, such an approach is critical for the development of enhanced performance in traditional desalination and water treatments. Water confined between surfaces, within channels, or in pores is ubiquitous in technology and nature. Its physical and chemical properties in such environments are unpredictably different from bulk water. As a result, advances in water desalination and purification methods may be accomplished through an improved analysis of water behavior in these challenging environments using state-of-the-art microscopy, spectroscopy, experimental, and computational methods.

  7. Hydration Properties and Interlayer Organization of Water and Ions in Synthetic Na-Smectite with Tetrahedral Layer Charge. Part 1. Results from X-ray Diffraction Profile

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    on the structure of interlayer water can be precisely assessed. In addition, the comparison with water contents molecules from 1W and 2W interlayers (crystalline water) and from the pore space network. Introduction and marine, where they often represent one of the main mineral components. Their structure involves colloidal

  8. Water Resources Research Center Annual Technical Report

    E-Print Network [OSTI]

    and Conservation, 18 Water and Waste Water Treatment/Environmental Engineering #12;The survey revealed a broad base

  9. IWA Balkan Young Water Professionals

    E-Print Network [OSTI]

    Psarrakos, Panayiotis

    Networks Industrial Waste Treatment and Disposal River Basins Management Legislation in the Water those associated with cross-border water management issues, which require experience exchange among 2015 - Thessaloniki, Greece Topics Water Management (Water Loss ­ Mitigation Methods and Technologies

  10. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Current search Search found 1 item Page Remove Page filter Water Remove Water filter Filter by Resource Type All Results (1) Page (1) Filter by Topic: All Results...

  11. Reduce Overhead, Implement Energy Efficiency in Water/Wastewater 

    E-Print Network [OSTI]

    Cantwell, J. C.

    2007-01-01

    Through the Focus on Energy program in the State of Wisconsin we have been able to identify savings for industries in their water/wastewater treatment or distribution systems. Modifications required to realize savings resulted in reduced energy...

  12. Regional water planning Milind Sohoni

    E-Print Network [OSTI]

    Sohoni, Milind

    LOCATE: - Villages - Peri-urban area - Farmland - Roads - Stream - Small dam (KT bandhara) - Waste water for irrigation Percolation Fresh water supply Domestic and industrial use Waste water treatment Waste water Discharge waste water recycle Treat and discharge untreated Run-off #12;Urban water cycle DRINKING WATER

  13. BULKING SLUDGE TREATMENT BY MICROSCOPIC OBSERVATION AND MECHANICAL TREATMENT

    E-Print Network [OSTI]

    the conventional physico­chemical parameters for the evaluation and control of biological stages of waste water for the operation of the biological stage of waste water treatment plants. If the threatening extensive growth status and for the regulation of biological parts in waste water treatment plants. Furthermore, e

  14. Cerro Grande Fire Impact to Water Quality and Stream Flow near Los Alamos National Laboratory: Results of Four Years of Monitoring

    SciTech Connect (OSTI)

    B.M. Gallaher; R.J. Koch

    2004-09-15

    In May 2000, the Cerro Grande fire burned about 7400 acres of mixed conifer forest on the Los Alamos National Laboratory (LANL), and much of the 10,000 acres of mountainside draining onto LANL was severely burned. The resulting burned landscapes raised concerns of increased storm runoff and transport of contaminants by runoff in the canyons traversing LANL. The first storms after the fire produced runoff peaks that were more than 200 times greater than prefire levels. Total runoff volume for the year 2000 increased 50% over prefire years, despite a decline in total precipitation of 13% below normal and a general decrease in the number of monsoonal thunderstorms. The majority of runoff in 2000 occurred in the canyons at LANL south of Pueblo Canyon (70%), where the highest runoff volume occurred in Water Canyon and the peak discharge occurred in Pajarito Canyon. This report describes the observed effects of the Cerro Grande fire and related environmental impacts to watersheds at and near Los Alamos National Laboratory (LANL) for the first four runoff seasons after the fire, from 2000 through 2003. Spatial and temporal trends in radiological and chemical constituents that were identified as being associated with the Cerro Grande fire and those that were identified as being associated with historic LANL discharges are evaluated with regard to impacts to the Rio Grande and area reservoirs downstream of LANL. The results of environmental sampling performed by LANL, the New Mexico Environment Department (NMED), and U.S. Geological Survey (USGS) after the Cerro Grande fire are included in the evaluation. Effects are described for storm runoff, baseflow, stream sediments, and area regional reservoir sediment.

  15. Protecting and Restoring our Nation's Waters: The Effects of Science, Law, and Policy on Clean Water Act Jurisdiction with a focus on the Arid West

    E-Print Network [OSTI]

    Vanderbilt, Forrest

    2013-01-01

    control, pollution, treatment, use and management of waterowned treatment works and to States for water pollution

  16. Bordering on Water Management: Ground and Wastewater in the United States - Mexico Transboundary Santa Cruz Basin

    E-Print Network [OSTI]

    Milman, Anita Dale

    2009-01-01

    primary water management activities being considered relate to treatment of wastewater andprimary water concerns of the region: treatment of wastewater,

  17. TREATMENT SYSTEMS AN INTEGRATED APPROACH

    E-Print Network [OSTI]

    for on-site management and treatment of effluent and solid waste 3. Provide for surface water attenuationECOLOGICAL TREATMENT SYSTEMS AN INTEGRATED APPROACH TO THE TREATMENT OF WASTE AND WASTE WATER In nature there is no waste, because the waste of one organism is food for another Inherent

  18. Sensitivity and Scenario Results

    E-Print Network [OSTI]

    Yu, Winston

    Presents the results of various scenarios using models used to study water, climate, agriculture and the economy in Pakistan's Indus Basin, and discusses the policy and investment implications. The water allocations per ...

  19. Illinois Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    include: evaluation of water treatment technology, source water protection planning, mitigation of nitrate Research Category: Water Quality Focus Category: Nitrate Contamination, Non Point Pollution, SoluteIllinois Water Resources Center Annual Technical Report FY 2004 Introduction The Illinois Water

  20. Ranking* Category Aspect Normal Abnormal Emergency Impact Description Impact Comment High Water & energy Water consumption 7 (Neg) 7 (Neg) 7 (Neg) Water resource depletion. Use of chlorine / ozone in treatment and potential risk of damage to human health

    E-Print Network [OSTI]

    Sussex, University of

    2 saving vis-à-vis national grid supplied electricity (20% electricity generation from CHP and global warming resulting in sea level rise, changing weather patterns, increased incidence of pest electrical & electronic equipment (WEEE) 7 (Neg) 7 (Neg) 7 (Neg) Breaches of environmental legislation. Human

  1. Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    : Waste Water, Treatment, Nitrate Contamination Descriptors: None Principal Investigators: Jeannie L Darby

  2. Water Energy Resources of the United States with Emphasis on Low Head/Low Power Resources: Appendix A - Assessment Results by Hydrologic Region

    SciTech Connect (OSTI)

    Hall, Douglas

    2004-04-01

    Analytical assessments of the water energy resources in the 20 hydrologic regions of the United States were performed using state-of-the-art digital elevation models and geographic information system tools. The principal focus of the study was on low head (less than 30 ft)/low power (less than 1 MW) resources in each region. The assessments were made by estimating the power potential of all the stream segments in a region, which averaged 2 miles in length. These calculations were performed using hydrography and hydraulic heads that were obtained from the U.S. Geological Survey’s Elevation Derivatives for National Applications dataset and stream flow predictions from a regression equation or equations developed specifically for the region. Stream segments excluded from development and developed hydropower were accounted for to produce an estimate of total available power potential. The total available power potential was subdivided into high power (1 MW or more), high head (30 ft or more)/low power, and low head/low power total potentials. The low head/low power potential was further divided to obtain the fractions of this potential corresponding to the operating envelopes of three classes of hydropower technologies: conventional turbines, unconventional systems, and microhydro (less than 100 kW). Summing information for all the regions provided total power potential in various power classes for the entire United States. Distribution maps show the location and concentrations of the various classes of low power potential. No aspect of the feasibility of developing these potential resources was evaluated. Results for each of the 20 hydrologic regions are presented in Appendix A

  3. Drinking Water Problems: Arsenic 

    E-Print Network [OSTI]

    Lesikar, Bruce J.; Melton, Rebecca; Hare, Michael; Hopkins, Janie; Dozier, Monty

    2005-12-02

    High levels of arsenic in drinking water can poison and even kill people. This publication explains the symptoms of arsenic poisoning and common treatment methods for removing arsenic from your water supply....

  4. Beneficial Reuse of San Ardo Produced Water

    SciTech Connect (OSTI)

    Robert A. Liske

    2006-07-31

    This DOE funded study was performed to evaluate the potential for treatment and beneficial reuse of produced water from the San Ardo oilfield in Monterey County, CA. The potential benefits of a successful full-scale implementation of this project include improvements in oil production efficiency and additional recoverable oil reserves as well as the addition of a new reclaimed water resource. The overall project was conducted in two Phases. Phase I identified and evaluated potential end uses for the treated produced water, established treated water quality objectives, reviewed regulations related to treatment, transport, storage and use of the treated produced water, and investigated various water treatment technology options. Phase II involved the construction and operation of a small-scale water treatment pilot facility to evaluate the process's performance on produced water from the San Ardo oilfield. Cost estimates for a potential full-scale facility were also developed. Potential end uses identified for the treated water include (1) agricultural use near the oilfield, (2) use by Monterey County Water Resources Agency (MCWRA) for the Salinas Valley Water Project or Castroville Seawater Intrusion Project, (3) industrial or power plant use in King City, and (4) use for wetlands creation in the Salinas Basin. All of these uses were found to have major obstacles that prevent full-scale implementation. An additional option for potential reuse of the treated produced water was subsequently identified. That option involves using the treated produced water to recharge groundwater in the vicinity of the oil field. The recharge option may avoid the limitations that the other reuse options face. The water treatment pilot process utilized: (1) warm precipitation softening to remove hardness and silica, (2) evaporative cooling to meet downstream temperature limitations and facilitate removal of ammonia, and (3) reverse osmosis (RO) for removal of dissolved salts, boron, and organics. Pilot study results indicate that produced water from the San Ardo oilfield can be treated to meet project water quality goals. Approximately 600 mg/l of caustic and 100 mg/l magnesium dosing were required to meet the hardness and silica goals in the warm softening unit. Approximately 30% of the ammonia was removed in the cooling tower; additional ammonia could be removed by ion exchange or other methods if necessary. A brackish water reverse osmosis membrane was effective in removing total dissolved solids and organics at all pH levels evaluated; however, the boron treatment objective was only achieved at a pH of 10.5 and above.

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  5. Phoenix Water ServicesPhoenix Water Services We need more power!We need more power!

    E-Print Network [OSTI]

    Scott, Christopher

    Phoenix Water ServicesPhoenix Water Services We need more power!We need more power! #12;Stolen from Acre Foot of WaterkWh per Acre Foot of Water EPRI (2000), Water Desal Task Force (2003) #12;PhoenixPhoenix TreatmentWater Treatment PlantPlant #12;Phoenix New Water PlantPhoenix New Water Plant Power Requirement

  6. The water abundance behind interstellar shocks: results from $Herschel$/PACS and $Spitzer$/IRS observations of H$_2$O, CO, and H$_2$

    E-Print Network [OSTI]

    Neufeld, David A; Güsten, Rolf; Herczeg, Greg J; Kristensen, Lars; Melnick, Gary J; Nisini, Brunella; Ossenkopf, Volker; Tafalla, Mario; van Dishoeck, Ewine F

    2013-01-01

    We have investigated the water abundance in shock-heated molecular gas, making use of $Herschel$ measurements of far-infrared CO and H$_2$O line emissions in combination with $Spitzer$ measurements of mid-IR H$_2$ rotational emissions. We present far-infrared line spectra obtained with $Herschel$'s PACS instrument in range spectroscopy mode towards two positions in the protostellar outflow NGC 2071 and one position each in the supernova remnants W28 and 3C391. These spectra provide unequivocal detections, at one or more positions, of 12 rotational lines of water, 14 rotational lines of CO, 8 rotational lines of OH (4 lambda doublets), and 7 fine-structure transitions of atoms or atomic ions. We first used a simultaneous fit to the CO line fluxes, along with H$_2$ rotational line fluxes measured previously by $Spitzer$, to constrain the temperature and density distribution within the emitting gas; and we then investigated the water abundances implied by the observed H$_2$O line fluxes. The water line fluxes ar...

  7. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    1 - 4 of 4 results. Download Water and Energy (18 activities) An inquiry-based curriculum that introduces students to the properties of water and using water as an energy...

  8. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    1 - 5 of 5 results. Download Water and Energy (18 activities) An inquiry-based curriculum that introduces students to the properties of water and using water as an energy...

  9. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Parents Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Page Hydropower Basics How does water power energy work? Water turbine http:energy.gov...

  10. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Renewables Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Page Hydropower Basics How does water power energy work? Water turbine http:energy.gov...

  11. Effects of Irrigating with Treated Oil and Gas Product Water on Crop Biomass and Soil Permeability

    SciTech Connect (OSTI)

    Terry Brown; Jeffrey Morris; Patrick Richards; Joel Mason

    2010-09-30

    Demonstrating effective treatment technologies and beneficial uses for oil and gas produced water is essential for producers who must meet environmental standards and deal with high costs associated with produced water management. Proven, effective produced-water treatment technologies coupled with comprehensive data regarding blending ratios for productive long-term irrigation will improve the state-of-knowledge surrounding produced-water management. Effective produced-water management scenarios such as cost-effective treatment and irrigation will discourage discharge practices that result in legal battles between stakeholder entities. The goal of this work is to determine the optimal blending ratio required for irrigating crops with CBNG and conventional oil and gas produced water treated by ion exchange (IX), reverse osmosis (RO), or electro-dialysis reversal (EDR) in order to maintain the long term physical integrity of soils and to achieve normal crop production. The soils treated with CBNG produced water were characterized with significantly lower SAR values compared to those impacted with conventional oil and gas produced water. The CBNG produced water treated with RO at the 100% treatment level was significantly different from the untreated produced water, while the 25%, 50% and 75% water treatment levels were not significantly different from the untreated water. Conventional oil and gas produced water treated with EDR and RO showed comparable SAR results for the water treatment technologies. There was no significant difference between the 100% treated produced water and the control (river water). The EDR water treatment resulted with differences at each level of treatment, which were similar to RO treated conventional oil and gas water. The 100% treated water had SAR values significantly lower than the 75% and 50% treatments, which were similar (not significantly different). The results of the greenhouse irrigation study found the differences in biomass production between each soil were significant for Western Wheatgrass and Alfafla. The Sheridan sandy loam soil resulted in the highest production for western wheatgrass and alfalfa while the X-ranch sandy loam had the lowest production rate for both plants. Plant production levels resulting from untreated CBNG produced water were significantly higher compared to untreated conventional oil and gas produced water. However, few differences were found between water treatments. The biomass produced from the greenhouse study was analyzed for elemental composition and for forage value. Elemental composition indentified several interesting findings. Some of the biomass was characterized with seemly high boron and sodium levels. High levels of boron found in some of the biomass was unexpected and may indicate that alfalfa and western wheatgrass plants may have been impacted by either soil or irrigation water containing high boron levels. Plants irrigated with water treated using EDR technology appeared to contain higher levels of boron with increased levels of treatment. Forage evaluations were conducted using near infrared reflectance spectroscopy. The data collected show small differences, generally less than 10%, between produced water treatments including the no treatment and 100% treatment conditions for each plant species studied. The forage value of alfalfa and western wheatgrass did not show significant tendencies dependent on soil, the amount of produced water treatment, or treatment technology.

  12. The Effects of Dissolved Organic Matter on Pollutant Removal and Formation in Aquatic Environment: From Stormwater to Drinking Water

    E-Print Network [OSTI]

    Hsu, Meng-Horng

    2012-01-01

    HOPs pollution event happened in the water treatment plant,HOPs pollution event happened in the water treatment plant,

  13. Trends in the Utilization of Adjuvant Vaginal Cuff Brachytherapy and/or External Beam Radiation Treatment in Stage I and II Endometrial Cancer: A Surveillance, Epidemiology, and End-Results Study

    SciTech Connect (OSTI)

    Patel, Mehul K. [Department of Radiation Oncology, Henry Ford Health System, Detroit, Michigan (United States); Cote, Michele L. [Karmanos Cancer Institute and Wayne State University, Detroit, Michigan (United States); Ali-Fehmi, Rouba [Department of Pathology, Wayne State University School of Medicine, Detroit, Michigan (United States); Buekers, Thomas; Munkarah, Adnan R. [Department of Women's Health Services, Division of Gynecologic Oncology, Henry Ford Health System, Detroit, Michigan (United States); Elshaikh, Mohamed A., E-mail: melshai1@hfhs.org [Department of Radiation Oncology, Henry Ford Health System, Detroit, Michigan (United States)

    2012-05-01

    Purpose: The optimal adjuvant radiation treatment for endometrial carcinoma (EC) remains controversial. Adjuvant vaginal cuff brachytherapy (VB) has emerged as an increasingly common treatment modality. However, the time trends for using VB, external beam radiation therapy (EBRT), or combined therapy (VB+EBRT) have not been well characterized. We therefore examined the utilization trends of VB, EBRT, and VB+EBRT for adjuvant RT in International Federation of Gynecologic Oncology (FIGO) stage I and II EC over time. Methods and Materials: We evaluated treatment patterns for 48,122 patients with EC diagnosed between January 1995 and December 2005, using the National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) public use database. Chi-squared tests were used to assess differences by radiation type (VB, EBRT, and VB+EBRT) and various demographic and clinical variables. Results: Analyses were limited to 9,815 patients (20.4%) with EC who met the inclusion criteria. Among women who received adjuvant RT, the proportion receiving VB increased yearly (12.9% in 1995 compared to 32.8% in 2005 (p < 0.0001). The increasing use of VB was proportional to the decreasing use of EBRT (56.1% in 1995 to 45.8% in 2005; p < 0.0001) and VB+EBRT (31.0% in 1995 to 21.4% in 2005; p < 0.001). Conclusions: This population-based report demonstrates an increasing trend in the use of VB in the adjuvant setting after hysterectomy for treatment of women with FIGO stage I-II EC. VB alone appears to be replacing pelvic EBRT and VB+EBRT therapy in the management of stage I-II EC.

  14. Article accepted for publication in: Land and Water Magazine

    E-Print Network [OSTI]

    that flow to a waste water treatment plant. During large storm events, when the capacity of the treatment

  15. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    results Search results Enter terms Search Showing 1 - 10 of 11 results. Video Energy 101: Hydroelectric Power Learn how hydropower captures the kinetic energy of flowing water and...

  16. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    results Search results Enter terms Search Showing 1 - 2 of 2 results. Video Energy 101: Hydroelectric Power Learn how hydropower captures the kinetic energy of flowing water and...

  17. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Search results Search results Enter terms Search Showing 1 - 4 of 4 results. Download Water and Energy (18 activities) An inquiry-based curriculum that introduces students to...

  18. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Search results Search results Enter terms Search Showing 1 - 5 of 5 results. Download Water and Energy (18 activities) An inquiry-based curriculum that introduces students to...

  19. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Hydrogen & Fuel Cells Energy Literacy Principle 4 Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Download Electrolysis of Water Students observe...

  20. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Hydrogen & Fuel Cells Energy Literacy Principle 2 Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Download Electrolysis of Water Students observe...

  1. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Water Search results Search results Enter terms Search Showing 1 - 10 of 10 results. Video Energy 101: Hydroelectric Power Learn how hydropower captures the kinetic energy of...

  2. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Water Search results Search results Enter terms Search Showing 1 - 2 of 2 results. Video Energy 101: Hydroelectric Power Learn how hydropower captures the kinetic energy of...

  3. Search results | Department of Energy

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    Water Search results Search results Enter terms Search Showing 1 - 1 of 1 result. Article Hydropower Technology Basics Hydropower, or hydroelectric power, is the most common and...

  4. Search results | Department of Energy

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    Water Search results Search results Enter terms Search Showing 1 - 7 of 7 results. Download Energy Production Students will compare and contrast renewable and nonrenewable...

  5. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Water Search results Search results Enter terms Search Showing 1 - 5 of 5 results. Download Energy Production Students will compare and contrast renewable and nonrenewable...

  6. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Water Search results Search results Enter terms Search Showing 1 - 4 of 4 results. Download Energy Production Students will compare and contrast renewable and nonrenewable...

  7. An Archaeological Survey for the Upper Leon River Municipal Water District Proposed Wastewater Treatment System Improvements Project in Eastern Comanche County, Texas 

    E-Print Network [OSTI]

    Moore, William

    2015-07-10

    An archaeological evaluation of approximately 4 miles of proposed sewer force main and a proposed wastewater treatment plant at a 20 acre tract in eastern Comanche County, Texas was performed by Brazos Valley Research Associates (BVRA) in October...

  8. Long-Term Outcome and Morbidity After Treatment With Accelerated Radiotherapy and Weekly Cisplatin for Locally Advanced Head-and-Neck Cancer: Results of a Multidisciplinary Late Morbidity Clinic

    SciTech Connect (OSTI)

    Ruetten, Heidi, E-mail: h.rutten@rther.umcn.nl [Department of Radiation Oncology, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands); Pop, Lucas A.M.; Janssens, Geert O.R.J. [Department of Radiation Oncology, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands); Takes, Robert P. [Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands); Knuijt, Simone [Department of Rehabilitation/Speech Pathology, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands); Rooijakkers, Antoinette F. [Department of Oral and Maxillofacial Surgery, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands); Berg, Manon van den [Department of Gastroenterology-Dietetics, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands); Merkx, Matthias A. [Department of Oral and Maxillofacial Surgery, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands); Herpen, Carla M.L. van [Department of Medical Oncology, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands); Kaanders, Johannes H.A.M. [Department of Radiation Oncology, Radboud University Nijmegen Medical Centre, Nijmegen (Netherlands)

    2011-11-15

    Purpose: To evaluate the long-term outcome and morbidity after intensified treatment for locally advanced head-and-neck cancer. Methods and Materials: Between May 2003 and December 2007, 77 patients with Stage III to IV head-and-neck cancer were treated with curative intent. Treatment consisted of accelerated radiotherapy to a dose of 68 Gy and concurrent cisplatin. Long-term survivors were invited to a multidisciplinary outpatient clinic for a comprehensive assessment of late morbidity with special emphasis on dysphagia, including radiological evaluation of swallowing function in all patients. Results: Compliance with the treatment protocol was high, with 87% of the patients receiving at least five cycles of cisplatin and all but 1 patient completing the radiotherapy as planned. The 5-year actuarial disease-free survival and overall survival rates were 40% and 47%, respectively. Locoregional recurrence-free survival at 5 years was 61%. The 5-year actuarial rates of overall late Radiation Therapy Oncology Group (RTOG)/European Organization for Research and Treatment of Cancer (EORTC) Grade 3 and Grade 4 toxicity were 52% and 25% respectively. Radiologic evaluation after a median follow-up of 44 months demonstrated impaired swallowing in 57% of the patients, including 23% with silent aspiration. Subjective assessment using a systematic scoring system indicated normalcy of diet in only 15.6% of the patients. Conclusion: This regimen of accelerated radiotherapy with weekly cisplatin produced favorable tumor control rates and survival rates while compliance was high. However, comprehensive assessment by a multidisciplinary team of medical and paramedical specialists revealed significant long-term morbidity in the majority of the patients, with dysphagia being a major concern.

  9. Farming the College Market: Results of a Consumer Study at UC Santa Cruz

    E-Print Network [OSTI]

    Perez, Jan; Allen, Patricia

    2007-01-01

    produced, water quality protec- tion, humane treatment oftreatment Farmers are protecting water quality Fair trade Locally produced

  10. Hydrogen and Water: An Engineering, Economic and Environmental Analysis

    SciTech Connect (OSTI)

    Simon, A J; Daily, W; White, R G

    2010-01-06

    The multi-year program plan for the Department of Energy's Hydrogen and Fuel Cells Technology Program (USDOE, 2007a) calls for the development of system models to determine economic, environmental and cross-cutting impacts of the transition to a hydrogen economy. One component of the hydrogen production and delivery chain is water; water's use and disposal can incur costs and environmental consequences for almost any industrial product. It has become increasingly clear that due to factors such as competing water demands and climate change, the potential for a water-constrained world is real. Thus, any future hydrogen economy will need to be constructed so that any associated water impacts are minimized. This, in turn, requires the analysis and comparison of specific hydrogen production schemes in terms of their water use. Broadly speaking, two types of water are used in hydrogen production: process water and cooling water. In the production plant, process water is used as a direct input for the conversion processes (e.g. steam for Steam Methane Reforming {l_brace}SMR{r_brace}, water for electrolysis). Cooling water, by distinction, is used indirectly to cool related fluids or equipment, and is an important factor in making plant processes efficient and reliable. Hydrogen production further relies on water used indirectly to generate other feedstocks required by a hydrogen plant. This second order indirect water is referred to here as 'embedded' water. For example, electricity production uses significant quantities of water; this 'thermoelectric cooling' contributes significantly to the total water footprint of the hydrogen production chain. A comprehensive systems analysis of the hydrogen economy includes the aggregate of the water intensities from every step in the production chain including direct, indirect, and embedded water. Process and cooling waters have distinct technical quality requirements. Process water, which is typically high purity (limited dissolved solids) is used inside boilers, reactors or electrolyzers because as it changes phase or is consumed, it leaves very little residue behind. Pre-treatment of 'raw' source water to remove impurities not only enables efficient hydrogen production, but also reduces maintenance costs associated with component degradation due to those impurities. Cooling water has lower overall quality specifications, though it is required in larger volumes. Cooling water has distinct quality requirements aimed at preserving the cooling equipment by reducing scaling and fouling from untreated water. At least as important as the quantity, quality and cost of water inputs to a process are the quantity, quality and cost of water discharge. In many parts of the world, contamination from wastewater streams is a far greater threat to water supply than scarcity or drought (Brooks, 2002). Wastewater can be produced during the pre-treatment processes for process and cooling water, and is also sometimes generated during the hydrogen production and cooling operations themselves. Wastewater is, by definition, lower quality than supply water. Municipal wastewater treatment facilities can handle some industrial wastewaters; others must be treated on-site or recycled. Any of these options can incur additional cost and/or complexity. DOE's 'H2A' studies have developed cost and energy intensity estimates for a variety of hydrogen production pathways. These assessments, however, have not focused on the details of water use, treatment and disposal. As a result, relatively coarse consumption numbers have been used to estimate water intensities. The water intensity for hydrogen production ranges between 1.5-40 gallons per kilogram of hydrogen, including the embedded water due to electricity consumption and considering the wide variety of hydrogen production, water treatment, and cooling options. Understanding the consequences of water management choices enables stakeholders to make informed decisions regarding water use. Water is a fundamentally regional commodity. Water resources vary in quality and qu

  11. WaterSense Program: Methodology for National Water Savings Analysis Model Indoor Residential Water Use

    SciTech Connect (OSTI)

    Whitehead, Camilla Dunham; McNeil, Michael; Dunham_Whitehead, Camilla; Letschert, Virginie; della_Cava, Mirka

    2008-02-28

    The U.S. Environmental Protection Agency (EPA) influences the market for plumbing fixtures and fittings by encouraging consumers to purchase products that carry the WaterSense label, which certifies those products as performing at low flow rates compared to unlabeled fixtures and fittings. As consumers decide to purchase water-efficient products, water consumption will decline nationwide. Decreased water consumption should prolong the operating life of water and wastewater treatment facilities.This report describes the method used to calculate national water savings attributable to EPA?s WaterSense program. A Microsoft Excel spreadsheet model, the National Water Savings (NWS) analysis model, accompanies this methodology report. Version 1.0 of the NWS model evaluates indoor residential water consumption. Two additional documents, a Users? Guide to the spreadsheet model and an Impacts Report, accompany the NWS model and this methodology document. Altogether, these four documents represent Phase One of this project. The Users? Guide leads policy makers through the spreadsheet options available for projecting the water savings that result from various policy scenarios. The Impacts Report shows national water savings that will result from differing degrees of market saturation of high-efficiency water-using products.This detailed methodology report describes the NWS analysis model, which examines the effects of WaterSense by tracking the shipments of products that WaterSense has designated as water-efficient. The model estimates market penetration of products that carry the WaterSense label. Market penetration is calculated for both existing and new construction. The NWS model estimates savings based on an accounting analysis of water-using products and of building stock. Estimates of future national water savings will help policy makers further direct the focus of WaterSense and calculate stakeholder impacts from the program.Calculating the total gallons of water the WaterSense program saves nationwide involves integrating two components, or modules, of the NWS model. Module 1 calculates the baseline national water consumption of typical fixtures, fittings, and appliances prior to the program (as described in Section 2.0 of this report). Module 2 develops trends in efficiency for water-using products both in the business-as-usual case and as a result of the program (Section 3.0). The NWS model combines the two modules to calculate total gallons saved by the WaterSense program (Section 4.0). Figure 1 illustrates the modules and the process involved in modeling for the NWS model analysis.The output of the NWS model provides the base case for each end use, as well as a prediction of total residential indoor water consumption during the next two decades. Based on the calculations described in Section 4.0, we can project a timeline of water savings attributable to the WaterSense program. The savings increase each year as the program results in the installation of greater numbers of efficient products, which come to compose more and more of the product stock in households throughout the United States.

  12. Water Loss Test Results for the Pipeline Units: I-19/I-18, I-7A, and I-22 Hidalgo County Irrigation District No. 2 

    E-Print Network [OSTI]

    Fipps, G.; Leigh, E.

    2008-01-01

    -19/I-18 3.6 11.6 1157 57,900 64.9 SJ17 I-7A 1.5 6.8 466 55,800 62.5 SJ18 I-22 2.7 5.0 605 40,500 45.4 * Water loss rates given are based on an in-service use of 24 hours/day and 365 days/year. Test SJ16 included a 1 mile segment... of structures and diameter sizes used for test calculations. Test SJ16 Table 3. Test SJ16: Unit I-19/I-18 Test Measurements 2/15/2007 Standpipe #1 Standpipe #2 Time WL-Reading (ft) Reading (ft) 11:50 6.6 3.6 12:00 11...

  13. Search results | Department of Energy

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    found 1 item Renewables Remove Renewables filter Page Remove Page filter Water Remove Water filter Filter by Resource Type All Results (1) Page (1) Filter by Topic: All Results...

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    1 item Page Remove Page filter Energy Sources Remove Energy Sources filter Water Remove Water filter Filter by Resource Type All Results (1) Page (1) Filter by Topic: All Results...

  17. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    results Enter terms Search Showing 1 - 1 of 1 result. Download Survival Still Students design and build a solar still to capture drinking water from the capillary water in the...

  18. How do you treat water based on water quality from different water sources? Authors: Wendy Lane and Kim Sciarrone Seattle Public Schools; Seattle, WA

    E-Print Network [OSTI]

    Eberhard, Marc O.

    How do you treat water based on water quality from different water sources Why? Water from different sources will contain different contaminants, and water treatment will vary depending on these contaminants. In this activity we

  19. Water driven : New Orleans City Hall as a sustainable civic center for 21st century

    E-Print Network [OSTI]

    Sangthong, Pholkrit

    2008-01-01

    The devastating struck of Hurricane Katrina in New Orleans in late summer of 2005 was deadly and immense. The storm destroyed over 170 drinking water facilities and 47 wastewater treatments around the city, and resulted ...

  20. Summary Report on CO2 Geologic Sequestration & Water Resources Workshop

    E-Print Network [OSTI]

    Varadharajan, C.

    2013-01-01

    Efforts Investigating Water Extraction •! LLNL –! Active CObenefits of various water extraction, treatment, and reuseof CO 2 storage and water extraction scenarios –! Technical

  1. An Afternoon with Professor Hermanowicz: Exploring Sustainability and Water Filtration

    E-Print Network [OSTI]

    2015-01-01

    focuses on the process of water quality treatment so thatthe quality of stored water. In this interview, Dr.health, on providing safe water, sanitation, and cleaning

  2. A Water Conservation Scenario for the Residential and Industrial Sectors in California: Potential Saveings of Water and Related Energy

    E-Print Network [OSTI]

    Benenson, P.

    2010-01-01

    flow data for municipal waste water treatment facilities inBulletin 68-73: Inventory of Waste Water Productionand Waste Water Reclamation in California, 1973. Sacramento,

  3. Results of analyses of fur samples from the San Joaquin Kit Fox and associated soil and water samples from the Naval Petroleum Reserve No. 1, Tupman, California

    SciTech Connect (OSTI)

    Suter, G.W. II; Rosen, A.E.; Beauchamp, J.J. [Oak Ridge National Lab., TN (United States); Kato, T.T. [EG and G Energy Measurements, Inc., Tupman, CA (United States)

    1992-12-01

    The purpose of this study was to determine whether analysis of the elemental content of fur from San Joaquin kit foxes (Vulpes macrotis mutica) and of water and soil from kit fox habitats could be used to make inferences concerning the cause of an observed decline in the kit fox population on Naval Petroleum Reserve No. 1 (NPR-1). Fur samples that had been collected previously from NPR-1, another oil field (NPR-2), and two sites with no oil development were subjected to neutron activation analysis. In addition, soil samples were collected from the home ranges of individual foxes from undisturbed portions of major soil types on NPR-1 and from wastewater samples were collected from tanks and sumps and subjected to neutron activation analysis. Most elemental concentrations in fur were highest at Camp Roberts and lowest on the undeveloped portions of NPR-I. Fur concentrations were intermediate on the developed oil fields but were correlated with percent disturbance and with number of wells on NPR-1 and NPR-2. The fact that most elements covaried across the range of sites suggests that some pervasive source such as soil was responsible. However, fur concentrations were not correlated with soft concentrations. The kit foxes on the developed portion of NPR-1 did not have concentrations of elements in fur relative to other sites that would account for the population decline in the early 1980s. The oil-related elements As, Ba, and V were elevated in fox fur from oil fields, but only As was sufficiently elevated to suggest a risk of toxicity in individual foxes. However, arsenic concentrations suggestive of sublethal toxicity were found in only 0.56% of foxes from developed oil fields, too few to account for a population decline.

  4. Mayors, Markets and Municipal Reform: The Politics of Water Delivery in Mexico

    E-Print Network [OSTI]

    Herrera, Veronica Maria Sol

    2011-01-01

    is composed of water extraction, treatment, transportationof the measurements of water extraction, pressure, and allfunctions (measuring water extraction, energy use, water

  5. The Pipe vs. The Shed: Waste Water compared with Natural Hydrology in an Urban Setting

    E-Print Network [OSTI]

    Lather, Alaska; Wozniak, Monika

    2011-01-01

    The Pipe vs. The Shed Waste Water compared with Naturalfuture storm water and waste water can be dealt with throughlevels was unknown. EBMUD Waste Water Treatment Process and

  6. Search results | Department of Energy

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    results Enter terms Search Showing 1 - 10 of 11 results. Video Energy 101: Hydroelectric Power Learn how hydropower captures the kinetic energy of flowing water and turns it...

  7. Water Data Report: An Annotated Bibliography

    E-Print Network [OSTI]

    Dunham Whitehead, Camilla; Melody, Moya

    2007-01-01

    treatment and has various links, including to a map showing locations of drainage areas and water pollution

  8. Removal of Animal Antibiotics for Potable Water Reclamation: A Review

    E-Print Network [OSTI]

    Chang, Rita

    2015-01-01

    of the Technologies for Water Treatment and Reuse. Ind. Eng.sewage sludge, and surface waters. Chimia. Gobel, A. , C.S.bioreactor treatment. Water Science & Technology. 65(5):

  9. Search results | Department of Energy

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    terms Search Showing 41 - 50 of 74 results. Download Survival Still Students design and build a solar still to capture drinking water from the capillary water in the soil, and...

  10. Search results | Department of Energy

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    terms Search Showing 41 - 50 of 55 results. Download Survival Still Students design and build a solar still to capture drinking water from the capillary water in the soil, and...

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  20. Search results | Department of Energy

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    Current search Search found 2 items Energy Usage Remove Energy Usage filter Water Remove Water filter Filter by Resource Type All Results (2) Lesson Plan (2) Filter by Topic: All...

  1. Search results | Department of Energy

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    found 1 item Wind Remove Wind filter Bioenergy Remove Bioenergy filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

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    Usage Remove Energy Usage filter Energy Sources Remove Energy Sources filter Water Remove Water filter Filter by Resource Type All Results (2) Lesson Plan (2) Filter by Topic: All...

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    filter Elementary (K-5) Teachers Remove Elementary (K-5) Teachers filter Water Remove Water filter Filter by Resource Type All Results (2) Lesson Plan (2) Filter by Topic: All...

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    filter High School (9-12) Teachers Remove High School (9-12) Teachers filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

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    search Search found 1 item Wind Remove Wind filter Homes Remove Homes filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

  6. Search results | Department of Energy

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    found 1 item Homes Remove Homes filter Download Remove Download filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

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    found 1 item Bioenergy Remove Bioenergy filter Solar Remove Solar filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

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    4 Remove Energy Literacy Principle 4 filter Solar Remove Solar filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

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    4 Remove Energy Literacy Principle 4 filter Wind Remove Wind filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

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    found 1 item Consumption Remove Consumption filter Homes Remove Homes filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

  11. Search results | Department of Energy

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    item Middle School (6-8) Teachers Remove Middle School (6-8) Teachers filter Water Remove Water filter Electricity Remove Electricity filter Filter by Resource Type All Results (1)...

  12. Search results | Department of Energy

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    Middle School (6-8) Teachers filter Electricity Remove Electricity filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

  13. Search results | Department of Energy

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    Energy Literacy Principle 4 filter Energy Usage Remove Energy Usage filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

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    1 item Energy Literacy Principle 4 Remove Energy Literacy Principle 4 filter Water Remove Water filter Wind Remove Wind filter Filter by Resource Type All Results (1) Lesson Plan...

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    found 1 item Download Remove Download filter Homes Remove Homes filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

  16. Search results | Department of Energy

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    Middle School (6-8) Teachers Remove Middle School (6-8) Teachers filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

  17. Search results | Department of Energy

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    found 1 item Geothermal Remove Geothermal filter Homes Remove Homes filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

  18. Search results | Department of Energy

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    found 1 item Solar Remove Solar filter Bioenergy Remove Bioenergy filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

  19. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    4 filter Elementary (K-5) Teachers Remove Elementary (K-5) Teachers filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1) Filter by Topic: All...

  20. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    & Innovation filter High School (9-12) Teachers Remove High School (9-12) Teachers filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1)...

  1. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    search Search found 1 item Homes Remove Homes filter Energy Usage Remove Energy Usage filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1)...

  2. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    search Search found 1 item Energy Sources Remove Energy Sources filter Homes Remove Homes filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1)...

  3. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    search Search found 1 item Energy Usage Remove Energy Usage filter Homes Remove Homes filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1)...

  4. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    search Search found 1 item Homes Remove Homes filter Energy Sources Remove Energy Sources filter Water Remove Water filter Filter by Resource Type All Results (1) Lesson Plan (1)...

  5. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Enter terms Search Showing 41 - 50 of 74 results. Download Survival Still Students design and build a solar still to capture drinking water from the capillary water in the...

  6. National Decentralized Water Resources Capacity Development Project

    E-Print Network [OSTI]

    Gold, Art

    National Decentralized Water Resources Capacity Development Project Mapping Onsite Treatment Needs Onsite Treatment Needs, Pollution Risks, and Management Options Using GIS Submitted by the University. Wastewater Planning Handbook: Mapping Onsite Treatment Needs, Pollution Risks, and Management Options Using

  7. Water Resources Research Institute Annual Technical Report

    E-Print Network [OSTI]

    Information Title: Development of a Kenaf-Based Biosorptive Water Treatment Process Project Number: B-20 Start, Treatment, Toxic Substances Descriptors: Hazardous Wastes, Groundwater Quality, Pollution Control Lead surface waters and groundwaters currently undergoing treatment or scheduled for treatment contain organic

  8. UV water disinfector

    DOE Patents [OSTI]

    Gadgil, Ashok (El Cerrito, CA); Garud, Vikas (Bombay, IN)

    1998-07-14

    A UV disinfector with a gravity driven feed water delivery system, and an air-suspended bare UV lamp. The disinfector is hydrodynamically optimized with a laminerizing, perforated baffle wall, beveled treatment chamber, and outlet weir.

  9. UV water disinfector

    DOE Patents [OSTI]

    Gadgil, A.; Garud, V.

    1998-07-14

    A UV disinfector with a gravity driven feed water delivery system and an air-suspended bare UV lamp are disclosed. The disinfector is hydrodynamically optimized with a laminerizing, perforated baffle wall, beveled treatment chamber, and outlet weir. 7 figs.

  10. Water Clean Water Clean

    E-Print Network [OSTI]

    Ishida, Yuko

    Keep Our Water Clean Keep Our Water Clean Home and garden pesticides and fertilizers are polluting residues wash into gutters, storm drains, and streams by rain,garden watering,or cleaning up drinking water. Follow these tips to keep our rivers, creeks, and oceans clean. What can you do to protect

  11. Water, water everywhere,

    E-Print Network [OSTI]

    Eberhard, Marc O.

    1 Water, water everywhere, but is it safe to drink? An Inquiry-based unit investigating the journey of your drinking water from source to tap of drinking water will contain different contaminants, based on surrounding land uses (guided inquiry activity

  12. Water Resources Forests & Water

    E-Print Network [OSTI]

    Water Resources Forests & Water More than half of the nation's freshwater supply originates on forestland. Healthy and sustainable forests can help ensure a continuous supply of clean and abundant water. Not only does forestland provide the cleanest water of any land use, it also helps absorb rainfall

  13. SOLVENT EXTRACTION OF PHENOLS FROM WATER

    E-Print Network [OSTI]

    Greminger, Douglas C.

    2012-01-01

    Waste Water Treatment by Solvent Extraction," Canadian J.A.F. Preuss, "Extraction of Phenol from Water with a Liquid1980 SOLVENT EXTRACTION OF PHENOLS FROM WATER LP,WRENCE BERv

  14. SEASONAL RECLAIMED WATER QUALITY; AN ASSESSMENT OFQUALITY; AN ASSESSMENT OF

    E-Print Network [OSTI]

    Fay, Noah

    these concerns? Waste Water Treatment Facilities treat water to Waste Water Treatment Facilities treat water and disinfect anyy microorganisms that may be present The majority of Recycled water produced in ArizonaSEASONAL RECLAIMED WATER QUALITY; AN ASSESSMENT OFQUALITY; AN ASSESSMENT OF BIOLOGICAL VARIABILITY

  15. WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY

    E-Print Network [OSTI]

    Fox, J.P.

    2010-01-01

    Waters from Green River Oil Shale," Chem. and Ind. , 1. ,Effluents from In-Situ oil Shale Processing," in Proceedingsin the Treatment of Oil Shale Retort Waters," in Proceedings

  16. Pre-feasibility Study to Identify Opportunities for Increasing CO2 Storage in Deep, Saline Aquifers by Active Aquifer Management and Treatment of Produced Water

    SciTech Connect (OSTI)

    Stauffer, Philip H.

    2014-09-05

    In this report, we present initial estimates of CO2 injectivity and plume radius for injection of 0.1 MT/yr and 1 MT/yr. Results for 1 and 10 years of injection are used to show how the plume from a single injector well could grow through time for a simplified, idealized system. Most results are for a 2 km deep injection well, while several results from a deeper plume are also presented to demonstrate the impact of changing depth and temperature.

  17. WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY

    E-Print Network [OSTI]

    Fox, J.P.

    2010-01-01

    H. H. Peters, Shale Oil Waste Water Recovery by Evaporation,treatment of oil shale waste products. Consequently, bothmost difficult and costly oil shale waste stream requiring

  18. On-Site Wastewater Treatment Systems: Graywater 

    E-Print Network [OSTI]

    Melton, Rebecca; Lesikar, Bruce J.; Smith, David; O'Neill, Courtney

    2008-04-03

    . meet plant water requirements during peak-water-use months. However, such sizing can follow the guidelines for the soil-absorption component of an onsite wastewater treatment system. These sizing guidelines are based on type of soil accepting... State Soil and Water Conservation Board USEPA 319(h) Program Texas On-Site Wastewater Treatment Research Council Texas AgriLife Extension Service Texas Commission on Environmental Quality Texas AgriLife Research USDA Water Quality Demonstration...

  19. Effect of Canister Movement on Water Turbidity

    SciTech Connect (OSTI)

    TRIMBLE, D.J.

    2000-08-24

    Requirements for evaluating the adherence characteristics of sludge on the fuel stored in the K East Basin and the effect of canister movement on basin water turbidity are documented in Briggs (1996). The results of the sludge adherence testing have been documented (Bergmann 1996). This report documents the results of the canister movement tests. The purpose of the canister movement tests was to characterize water turbidity under controlled canister movements (Briggs 1996). The tests were designed to evaluate methods for minimizing the plumes and controlling water turbidity during fuel movements leading to multi-canister overpack (MCO) loading. It was expected that the test data would provide qualitative visual information for use in the design of the fuel retrieval and water treatment systems. Video recordings of the tests were to be the only information collected.

  20. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    results Search results Enter terms Search Showing 1 - 5 of 5 results. Video Energy 101: Geothermal Energy See how we can generate clean, renewable energy from hot water sources...

  1. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    results Search results Enter terms Search Showing 1 - 1 of 1 result. Page History of Hydropower Humans have been harnessing water to perform work for thousands of years. The Greeks...

  2. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Renewables Search results Search results Enter terms Search Showing 21 - 30 of 73 results. Download Energy of Moving Water (11 Activities) An inquiry-based unit that provides a...

  3. Harvesting Energy from Wastewater Treatment

    E-Print Network [OSTI]

    Harvesting Energy from Wastewater Treatment Bruce Logan Penn State University #12;Energy Costs? 5 #12;Energy content of Wastewaters · Electricity "lost" to water and wastewater treatment= 0.6 quad wastewater (primary clarifier effluent) Arrows indicate wastewater addition P= 28 mW/m2 (PEM/Nafion) =146 m

  4. Recycling produced water for algal cultivation for biofuels

    SciTech Connect (OSTI)

    Neal, Justin N.; Sullivan, Enid J.; Dean, Cynthia A.; Steichen, Seth A.

    2012-08-09

    Algal growth demands a continuous source of water of appropriate salinity and nutritional content. Fresh water sources are scarce in the deserts of the Southwestern United States, hence, salt water algae species are being investigated as a renewable biofuel source. The use of produced water from oil wells (PW) could offset the demand for fresh water in cultivation. Produced water can contain various concentrations of dissolved solids, metals and organic contaminants and often requires treatment beyond oil/water separation to make it suitable for algae cultivation. The produced water used in this study was taken from an oil well in Jal, New Mexico. An F/2-Si (minus silica) growth media commonly used to cultivate Nannochloropsis salina 1776 (NS 1776) was prepared using the produced water (F/2-Si PW) taking into account the metals and salts already present in the water. NS 1776 was seeded into a bioreactor containing 5L of the (F/2-Si PW) media. After eleven days the optical density at 750 nm (an indicator of algal growth) increased from 0 to 2.52. These results indicate algae are able to grow, though inhibited when compared with non-PW media, in the complex chemical conditions found in produced water. Savings from using nutrients present in the PW, such as P, K, and HCO{sub 3}{sup -}, results in a 44.38% cost savings over fresh water to mix the F/2-Si media.

  5. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    11 - 20 of 34 results. Download Energy of Moving Water (11 Activities) An inquiry-based unit that provides a comprehensive understanding of hydropower and electricity for...

  6. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    downloadselectrolysis-water Current search Search found 1 item Energy Usage Remove Energy Usage filter Hydrogen Remove Hydrogen filter Filter by Resource Type All Results...

  7. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    educationdownloadselectrolysis-water Current search Search found 1 item Storage Remove Storage filter Solar Remove Solar filter Filter by Resource Type All Results (1) Lesson...

  8. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    educationdownloadselectrolysis-water Current search Search found 1 item Solar Remove Solar filter Storage Remove Storage filter Filter by Resource Type All Results (1) Lesson...

  9. Energy & Water:Energy & Water: A Growing and IncreasinglyA Growing and Increasingly

    E-Print Network [OSTI]

    Keller, Arturo A.

    #12;20 Treatment TechnologiesTreatment Technologies #12;21 21 #12;22 Skinner PlantSkinner Plant Solar1 Energy & Water:Energy & Water: A Growing and IncreasinglyA Growing and Increasingly Important of Southern California First Western Forum on Energy & Water Sustainability #12;2 "Water is for life, power

  10. Water footprint of electric power generation : modeling its use and analyzing options for a water-scarce future

    E-Print Network [OSTI]

    Delgado Martín, Anna

    2012-01-01

    The interdependency between water and energy, sometimes called the water-energy nexus, is growing in importance as demand for both water and energy increases. Energy is required for water treatment and supply, while virtually ...

  11. Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    water filters for point-of-use treatment for drinking water. Dr. Kelly G. Pennell of Brown University. This water filter was designed to treat microbiological contaminants and will also be tested for removingWater Resources Center Annual Technical Report FY 2009 Water Resources Center Annual Technical

  12. DESIGNER WATER Dr. Torleiv Bilstad

    E-Print Network [OSTI]

    Treatment #12;Produced Water: Separation and polishing Choke technology Separator technology Oil Droplet water - Produced by adjusting the ionic composition of the injected seawater thereby modifying = 34500 ppm F2. Produced Water with very high TDS as feed Type NF membrane ­ NANO - BW 4040 #12;Pictures

  13. Multifunctional Riverscapes: Stream restoration, Capability Brown’s water features, and artificial whitewater

    E-Print Network [OSTI]

    Podolak, Kristen

    2012-01-01

    courses all have filters and water treatment since they arebed habitats, and filter the water flowing into the lakeeffective filter, which would reduce the flow of water into

  14. Multifunctional Riverscapes: Stream restoration, Capability Brown's water features, and artificial whitewater

    E-Print Network [OSTI]

    Podolak, Kristen

    2012-01-01

    courses all have filters and water treatment since they arebed habitats, and filter the water flowing into the lakeeffective filter, which would reduce the flow of water into

  15. Plant-Water Relations in Seasonally Dry Tropical Montane Cloud Forests

    E-Print Network [OSTI]

    Goldsmith, Gregory Rubin

    2012-01-01

    treatment. Figure 3. Leaf water potential measured over timeecosystems, including soil water use generally between 20 cmboth deep roots and deep water use by plants have also been

  16. Independent Oversight Review, Sodium Bearing Waste Treatment...

    Office of Environmental Management (EM)

    2012 Review of the Sodium Bearing Waste Treatment Project - Integrated Waste Treatment Unit Federal Operational Readiness Review This report documents the results of an...

  17. Independent Oversight Review, Sodium Bearing Waste Treatment...

    Office of Environmental Management (EM)

    2012 Review of the Sodium Bearing Waste Treatment Project - Integrated Waste Treatment Unit Contractor Operational Readiness Review This report documents the results of an...

  18. Water Tower - 14 

    E-Print Network [OSTI]

    Unknown

    2011-08-17

    Previous studies using tertiary amines to extract water from reagent-grade carboxylate salts (calcium acetate, propionate, and butyrate) have shown selectivity for water and not for the carboxylate salts. These results ...

  19. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Search results Enter terms Search Showing 1 - 2 of 2 results. Video Energy 101: Hydroelectric Power Learn how hydropower captures the kinetic energy of flowing water and turns it...

  20. Water Resources Center Annual Technical Report

    E-Print Network [OSTI]

    are the most important yet least monitored part of a municipal activated sludge sewage treatment plant hybridization (a.k.a. FISH) - to track activated sludge microorganisms in municipal sewage treatment plants District Research Category: Water Quality Focus Category: Water Quality, Treatment, Nutrients Descriptors

  1. Cooperating for Cleaner Water 

    E-Print Network [OSTI]

    Wythe, Kathy

    2006-01-01

    . This TMDL plan will budget how much bacteria pollution from point sources (like wastewater treatment facilities) and nonpoint sources (runoff from land) can occur in a single day and still maintain water quality standards. Kerry Niemann, TCEQ project... of water on its 303(d) list (a list of water segments that do not meet water quality standards) and to develop a TMDL for each pollutant that impairs any segment, according to TCEQ docu- ments. TCEQ has adopted 63 TMDLs with EPA approving 60 of those...

  2. A Fresh Perspective for Managing Water in California: Insights from Applying the European Water Framework Directive to the Russian River

    E-Print Network [OSTI]

    Grantham, Ted; Christian-Smith, Juliet; Kondolf, G. Mathias; Scheuer, Stefan

    2008-01-01

    by increasing water security, reducing pollution treatmentby increasing water security, reducing pollution treatmentwater bodies Point Pollution Sources Outfalls for industrial and commercial waste and sewage treatment

  3. Oxidative particle mixtures for groundwater treatment

    DOE Patents [OSTI]

    Siegrist, Robert L. (Boulder, CO); Murdoch, Lawrence C. (Clemson, SC)

    2000-01-01

    The invention is a method and a composition of a mixture for degradation and immobilization of contaminants in soil and groundwater. The oxidative particle mixture and method includes providing a material having a minimal volume of free water, mixing at least one inorganic oxidative chemical in a granular form with a carrier fluid containing a fine grained inorganic hydrophilic compound and injecting the resulting mixture into the subsurface. The granular form of the inorganic oxidative chemical dissolves within the areas of injection, and the oxidative ions move by diffusion and/or advection, therefore extending the treatment zone over a wider area than the injection area. The organic contaminants in the soil and groundwater are degraded by the oxidative ions, which form solid byproducts that can sorb significant amounts of inorganic contaminants, metals, and radionuclides for in situ treatment and immobilization of contaminants. The method and composition of the oxidative particle mixture for long-term treatment and immobilization of contaminants in soil and groundwater provides for a reduction in toxicity of contaminants in a subsurface area of contamination without the need for continued injection of treatment material, or for movement of the contaminants, or without the need for continuous pumping of groundwater through the treatment zone, or removal of groundwater from the subsurface area of contamination.

  4. Treatment of PDMS surfaces using pulsed DBD plasmas: comparing the use of different gases and its influence on adhesion

    E-Print Network [OSTI]

    Nascimento, Fellype do; Machida, Munemasa; Parada, Sergio

    2015-01-01

    In this work we present some results of the treatment of polydimethylsiloxane (PDMS) surfaces using pulsed dielectric barrier discharge plasmas. The results of plasma treatment using different gases to produce the plasmas (argon, argon plus water, helium, helium plus water, nitrogen and nitrogen plus water) were compared testing the adhesion between two PDMS samples for each kind of plasma. We also studied the water contact angle in function of plasma process time of PDMS surfaces with each kind of plasma. The plasmas were characterized by optical emission spectroscopy to identify the emitting species and determine plasma temperatures through comparison with emission spectra simulations. Measurements of power delivered to the plasmas were also performed. Plasmas of all gases are good enough for surface treatment with long exposure time. But when only a few discharges are applied the best choice is the helium plasma.

  5. Waste water treatment and metal recovery

    E-Print Network [OSTI]

    Braun, Paul

    for spark plug applications. He succeeded notably in developing the Stellite® family of alloys, the early and Brearley formed a jointly owned company, the American Stainless Steel Company (ASSC). The ASSC held both% on their stainless steel production. The company paid sizable dividends to its owners until it was dissolved

  6. Comments on: Water Monitoring & Treatment Technology

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Outreach Home Room News PublicationsAuditsCluster Compatibility Mode

  7. Water Quality

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Water Quality Water Quality We protect water quality through stormwater control measures and an extensive network of monitoring wells and stations encompassing groundwater, surface...

  8. Enforcement-driven financing of water quality in California: The case of supplemental environmental projects

    E-Print Network [OSTI]

    Press, Daniel; Holloran, Pete; Petersen, Brian

    2010-01-01

    water treatment plants, on-site sewage facilities, Edwards Aquifer protection, stormwater, and sludge

  9. Environmental Aspects of Two Volatile Organic Compound Groundwater Treatment Designs at the Rocky Flats Site - 13135

    SciTech Connect (OSTI)

    Michalski, Casey C.; DiSalvo, Rick; Boylan, John

    2013-07-01

    DOE's Rocky Flats Site in Colorado is a former nuclear weapons production facility that began operations in the early 1950's. Because of releases of hazardous substances to the environment, the federally owned property and adjacent offsite areas were placed on the CERCLA National Priorities List in 1989. The final remedy was selected in 2006. Engineered components of the remedy include four groundwater treatment systems that were installed before closure as CERCLA-accelerated actions. Two of the systems, the Mound Site Plume Treatment System and the East Trenches Plume Treatment System, remove low levels of volatile organic compounds using zero-valent iron media, thereby reducing the loading of volatile organic compounds in surface water resulting from the groundwater pathway. However, the zero-valent iron treatment does not reliably reduce all volatile organic compounds to consistently meet water quality goals. While adding additional zero-valent iron media capacity could improve volatile organic compound removal capability, installation of a solar powered air-stripper has proven an effective treatment optimization in further reducing volatile organic compound concentrations. A comparison of the air stripper to the alternative of adding additional zero-valent iron capacity to improve Mound Site Plume Treatment System and East Trenches Plume Treatment System treatment based on several key sustainable remediation aspects indicates the air stripper is also more 'environmentally friendly'. These key aspects include air pollutant emissions, water quality, waste management, transportation, and costs. (authors)

  10. South Dakota Water Research Institute Annual Technical Report

    E-Print Network [OSTI]

    with mining, extraction, and processing of uranium (U) for nuclear fuel and weapons have generated substantial quality, drinking water quality, bio treatment for the removal of uranium from water, vegetative treatment

  11. Investigating Water 

    E-Print Network [OSTI]

    Howard Jr., Ronald A.

    2002-01-02

    This 3-ring binder contains teaching plans for 12 lessons on topics such as "Water in Our Daily Lives," "The Water Cycle," "Amazing Aquifers," "Water and Soil," "Aquatic Ecosystems," and "Water Wise Use." Accompanying each lesson plan are activity...

  12. Does Marginal Price Matter? A Regression Discontinuity Approach to Estimating Water Demand

    E-Print Network [OSTI]

    Nataraj, Shanthi; Hanemann, W. Michael

    2008-01-01

    treatment and control households for water use from July/Year Treatment Control Mean summer water use in hundreds ofre?ects the strict water use controls in 1990, at the height

  13. Embedded NICT* tools and traceability to control phytochemical treatments

    E-Print Network [OSTI]

    Boyer, Edmond

    the possible tracks allowing the management of news methods of treatment. 1. Introduction Water pollution treatment in order to provide acceptable drinking water. Different studies [7] show that some pesticides, pesticide reaching the vegetal target and pesticide contamination of surface waters. 1.2. The context Author-produced

  14. Communicating Performance Assessments Results - 13609

    SciTech Connect (OSTI)

    Layton, Mark [Savannah River Remediation LLC, Building 705-1C, Aiken, SC 29808 (United States)] [Savannah River Remediation LLC, Building 705-1C, Aiken, SC 29808 (United States)

    2013-07-01

    The F-Area Tank Farms (FTF) and H-Area Tank Farm (HTF) are owned by the U.S. Department of Energy (DOE) and operated by Savannah River Remediation LLC (SRR), Liquid Waste Operations contractor at DOE's Savannah River Site (SRS). The FTF and HTF are active radioactive waste storage and treatment facilities consisting of 51 carbon steel waste tanks and ancillary equipment such as transfer lines, evaporators and pump tanks. Performance Assessments (PAs) for each Tank Farm have been prepared to support the eventual closure of the underground radioactive waste tanks and ancillary equipment. PAs provide the technical bases and results to be used in subsequent documents to demonstrate compliance with the pertinent requirements for final closure of the Tank Farms. The Tank Farms are subject to a number of regulatory requirements. The State regulates Tank Farm operations through an industrial waste water permit and through a Federal Facility Agreement approved by the State, DOE and the Environmental Protection Agency (EPA). Closure documentation will include State-approved Tank Farm Closure Plans and tank-specific closure modules utilizing information from the PAs. For this reason, the State of South Carolina and the EPA must be involved in the performance assessment review process. The residual material remaining after tank cleaning is also subject to reclassification prior to closure via a waste determination pursuant to Section 3116 of the Ronald W. Reagan National Defense Authorization Act of Fiscal Year 2005. PAs are performance-based, risk-informed analyses of the fate and transport of FTF and HTF residual wastes following final closure of the Tank Farms. Since the PAs serve as the primary risk assessment tools in evaluating readiness for closure, it is vital that PA conclusions be communicated effectively. In the course of developing the FTF and HTF PAs, several lessons learned have emerged regarding communicating PA results. When communicating PA results it is important to stress that the primary goal of the PA results is to provide risk understanding, recognizing the magnitude of risk and identifying the conceptual model decisions and critical assumptions that most impact the results. Conceptual models that describe reality using simplified, mathematical approaches, and their roles in arriving at the PA results, must also be communicated. When presenting PA results, evaluations will typically be focused on a single baseline (or Base Case) to provide a foundation for discussion. The PA results are supplemented by other studies (alternate configurations, uncertainty analyses, and sensitivity analyses) which provide a breadth of modeling to supplement the Base Case. The suite of information offered by the various modeling cases and studies provides confidence that the overall risk is understood along with the underlying parameters and conditions that contribute to risk. (author)

  15. Colorado Water Institute Annual Technical Report

    E-Print Network [OSTI]

    Colorado Water Institute Annual Technical Report FY 2013 Colorado Water Institute Annual Technical Report FY 2013 1 #12;Introduction Water research is more important than ever in Colorado. Whether the project explores the effects of decentralized wastewater treatment systems on water quality, optimal

  16. Colorado Water Institute Annual Technical Report

    E-Print Network [OSTI]

    Colorado Water Institute Annual Technical Report FY 2010 Colorado Water Institute Annual Technical Report FY 2010 1 #12;Introduction Water research is more pertinent than ever in Colorado. Whether the project explores the effects of decentralized wastewater treatment systems on water quality, optimal

  17. Colorado Water Institute Annual Technical Report

    E-Print Network [OSTI]

    Colorado Water Institute Annual Technical Report FY 2009 Colorado Water Institute Annual Technical Report FY 2009 1 #12;Introduction Water research is more pertinent than ever in Colorado. Whether the research explores the effects of decentralized wastewater treatment systems on water quality, optimal

  18. Colorado Water Institute Annual Technical Report

    E-Print Network [OSTI]

    Colorado Water Institute Annual Technical Report FY 2011 Colorado Water Institute Annual Technical Report FY 2011 1 #12;Introduction Water research is more pertinent than ever in Colorado. Whether the project explores the effects of decentralized wastewater treatment systems on water quality, optimal

  19. Texas Water Resources Institute Annual Technical Report

    E-Print Network [OSTI]

    (1); water treatment (1); non-point pollution (1); and water quality (5). Note that several projectsTexas Water Resources Institute Annual Technical Report FY 2003 Introduction The Mission of the Texas Water Resources Institute is to: (1) Provide leadership for Experiment Station and Extension

  20. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Search Showing 1 - 10 of 11 results. Video Energy 101: Hydroelectric Power Learn how hydropower captures the kinetic energy of flowing water and turns it into electricity for our...