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Understanding The Subsurface Reactive Transport Of Transuranic Contaminants At Doe Sites
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Book Synopsis Understanding the Subsurface Reactive Transport of Transuranic Contaminants at DOE Sites by :
Download or read book Understanding the Subsurface Reactive Transport of Transuranic Contaminants at DOE Sites written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Our primary hypothesis is that actinides can interact with surfaces in fundamentally different ways than other metals, metalloids, and oxyanions and that this fundamental difference requires new approaches to studying and modeling transuranic sorption to minerals and geomedia. This project supports a key mission of the SBR program to develop sufficient scientific understanding such that DOE sites will be able to incorporate coupled physical, chemical, and biological processes into decision making for environmental management and long-term stewardship, while also supporting DOE's commitment to education, training, and collaboration with DOE user facilities.
Book Synopsis Research Needs in Subsurface Science by : National Research Council
Download or read book Research Needs in Subsurface Science written by National Research Council and published by National Academies Press. This book was released on 2000-03-13 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research Needs in Subsurface Science provides an overview of the subsurface contamination problems across the DOE complex and shows by examples from the six largest DOE sites (Hanford Site, Idaho Engineering and Environmental Laboratory, Nevada Test Site, Oak Ridge Reservation, Rocky Flats Environmental Technology Site, and Savannah River Site) how advances in scientific and engineering knowledge can improve the effectiveness of the cleanup effort. This report analyzes the current Environmental Management (EM) Science Program portfolio of subsurface research projects to assess the extent to which the program is focused on DOE's contamination problems. This analysis employs an organizing scheme that provides a direct linkage between basic research in the EM Science Program and applied technology development in DOE's Subsurface Contaminants Focus Area. Research Needs in Subsurface Science also reviews related research programs in other DOE offices and other federal agencies (see Chapter 4) to determine the extent to which they are focused on DOE's subsurface contamination problems. On the basis of these analyses, this report singles out the highly significant subsurface contamination knowledge gaps and research needs that the EM Science Program must address if the DOE cleanup program is to succeed.
Book Synopsis Chemical Contaminants on DOE Lands and Selection of Contaminant Mixtures for Subsurface Science Research by : Robert G. Riley
Download or read book Chemical Contaminants on DOE Lands and Selection of Contaminant Mixtures for Subsurface Science Research written by Robert G. Riley and published by . This book was released on 1992 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fate and Transport of Subsurface Pollutants by : Pankaj Kumar Gupta
Download or read book Fate and Transport of Subsurface Pollutants written by Pankaj Kumar Gupta and published by Springer Nature. This book was released on 2020-10-20 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume offers detailed information on the behaviour of various water pollutants, and on the principles and concepts of groundwater flow and transport. It will help readers to understand and execute the planning, supervision, and review of solute transport and groundwater modeling projects. The book also discusses the role and fate of elements that have been identified as major contaminants in surface and subsurface waters, and their adverse effects on ecology and human health. The book explores this theme throughout four sections – a. Understanding Soil-Water Systems, b. Fate and Transport of Pollutants, c. Physico-Chemical Treatment of Wastewater and d. Microbial Techniques Used to Decontaminate Soil-Water Systems. Introducing readers to a range of recent advances concerning the fundamentals of subsurface water treatment, it offers a valuable guide for teachers, researchers, policymakers, and undergraduate and graduate students of hydrology, environmental microbiology, biotechnology and the environmental sciences. It also provides field engineers and industrial practitioners with essential support in the effective remediation and management of polluted sites.
Book Synopsis The Oak Ridge Field Research Center by : David Watson
Download or read book The Oak Ridge Field Research Center written by David Watson and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical research, development, and testing of nuclear materials across this country resulted in subsurface contamination that has been identified at over 7,000 discrete sites across the U.S. Department of Energy (DOE) complex. With the end of the Cold War threat, DOE has shifted its emphasis to remediation, decommissioning, and decontamination of the immense volumes of contaminated groundwater, sediments, and structures at its sites. DOE currently is responsible for remediating 1.7 trillion gallons of contaminated groundwater, an amount equal to approximately four times the daily U.S. water consumption, and 40 million cubic meters of contaminated soil, enough to fill approximately 17 professional sports stadiums.* DOE also sponsors research intended to improve or develop remediation technologies, especially for difficult, currently intractable contaminants or conditions. The Oak Ridge FRC is representative of some difficult sites, contaminants, and conditions. Buried wastes in contact with a shallow water table have created huge reservoirs of contamination. Rainfall patterns affect the water table level seasonally and over time. Further, the hydrogeology of the area, with its fractures and karst geology, affects the movement of contaminant plumes. Plumes have migrated long distances and to surface discharge points through ill-defined preferred flowpaths created by the fractures and karst conditions. From the standpoint of technical effectiveness, remediation options are limited, especially for contaminated groundwater. Moreover, current remediation practices for the source areas, such as capping, can affect coupled processes that, in turn, may affect the movement of subsurface contaminants in unknown ways. Research conducted at the FRC or with FRC samples therefore promotes understanding of the processes that influence the transport and fate of subsurface contaminants, the effectiveness and long-term consequences of extant remediation options, and the development of improved remediation strategies.
Book Synopsis Contaminants in the Subsurface by : National Research Council
Download or read book Contaminants in the Subsurface written by National Research Council and published by National Academies Press. This book was released on 2005-04-23 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: At hundreds of thousands of commercial, industrial, and military sites across the country, subsurface materials including groundwater are contaminated with chemical waste. The last decade has seen growing interest in using aggressive source remediation technologies to remove contaminants from the subsurface, but there is limited understanding of (1) the effectiveness of these technologies and (2) the overall effect of mass removal on groundwater quality. This report reviews the suite of technologies available for source remediation and their ability to reach a variety of cleanup goals, from meeting regulatory standards for groundwater to reducing costs. The report proposes elements of a protocol for accomplishing source remediation that should enable project managers to decide whether and how to pursue source remediation at their sites.
Book Synopsis Groundwater and Soil Cleanup by : National Research Council
Download or read book Groundwater and Soil Cleanup written by National Research Council and published by National Academies Press. This book was released on 1999-11-21 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive, up-to-date review of technologies for cleaning up contaminants in groundwater and soil. It provides a special focus on three classes of contaminants that have proven very difficult to treat once released to the subsurface: metals, radionuclides, and dense nonaqueous-phase liquids such as chlorinated solvents. Groundwater and Soil Cleanup was commissioned by the Department of Energy (DOE) as part of its program to clean up contamination in the nuclear weapons production complex. In addition to a review of remediation technologies, the book describes new trends in regulation of contaminated sites and assesses DOE's program for developing new subsurface cleanup technologies.
Book Synopsis Quantification of Hydrological, Geochemical, and Mineralogical Processes Governing the Fate and Transport of Uranium Over Multiple Scales in Hanford Sediments by :
Download or read book Quantification of Hydrological, Geochemical, and Mineralogical Processes Governing the Fate and Transport of Uranium Over Multiple Scales in Hanford Sediments written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A long-term measure of the DOE Environmental Remediation Sciences Division is to provide sufficient scientific understanding to allow a significant fraction of DOE sites to incorporate coupled biological, chemical, and physical processes into decision making for environmental remediation and long-term stewardship by 2015. Our research targets two related, major obstacles to understanding and predicting contaminant transport at DOE sites: the heterogeneity of subsurface geologic media, and the scale dependence of experimental and modeled results.
Book Synopsis Seminar on Transport and Fate of Contaminants in the Subsurface by :
Download or read book Seminar on Transport and Fate of Contaminants in the Subsurface written by and published by . This book was released on 1987 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reactive Transport in the Subsurface by : Marco Dentz
Download or read book Reactive Transport in the Subsurface written by Marco Dentz and published by . This book was released on 2011 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Contaminant Transport Through Subsurface Material from the DOE Hanford Reservation by : M. A. Mayes
Download or read book Contaminant Transport Through Subsurface Material from the DOE Hanford Reservation written by M. A. Mayes and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accelerated migration of contaminants in the vadose zone has been observed beneath tank farms at the U.S. Department of Energy's Hanford Reservation. This paper focuses on the geochemical processes controlling the fate and transport of contaminants in the sediments beneath the Hanford tank farms. Laboratory scale batch sorption experiments and saturated transport experiments were conducted using reactive tracers U(VI), Sr, Cs, Co and Cr(VI) to investigate geochemical processes controlling the rates and mechanisms of sorption to Hanford subsurface material. Results indicate that the rate of sorption is influenced by changes in solution chemistry such as ionic strength, pH and presence of competing cations. Sediment characteristics such as mineralogy, iron content and cation/anion exchange capacity coupled with the dynamics of flow impact the number of sites available for sorption. Investigative approaches using a combination of batch and transport experiments will contribute to the conceptual and Hanford vadose zone.
Book Synopsis Subsurface Transport and Fate Processes by : Robert C. Knox
Download or read book Subsurface Transport and Fate Processes written by Robert C. Knox and published by CRC Press. This book was released on 1993 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Background; Hydrodynamic processes; Abiotic processes; Biotic e processes; Physical models of contaminant transport; Empirical models and vulnerability mapping; Modelling subsurface transport and fate processes, Applicationds of transport and fate information.
Book Synopsis Frelsens Hærs Forsagelses-Sange i Ugen fra 1.-7. November 1896 by :
Download or read book Frelsens Hærs Forsagelses-Sange i Ugen fra 1.-7. November 1896 written by and published by . This book was released on 1896 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Committee on Subsurface Contamination at DOE Complex Sites by :
Download or read book Committee on Subsurface Contamination at DOE Complex Sites written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mobility and Degradation of Organic Contaminants in Subsurface Environments by : Warren J. Lyman
Download or read book Mobility and Degradation of Organic Contaminants in Subsurface Environments written by Warren J. Lyman and published by CRC Press. This book was released on 2020-11-26 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book identifies the most important "rules" governing transport, partitioning, retention and transformation of leaked motor fuels in the underground environment. It examines micro-scale fate and transport processes as a means toward promoting a better understanding of larger scale movement of contaminants. Environmental scientists, engineers, consultants, and managers will find Mobility and Degradation of Organic Contaminants in Subsurface Environments to be a useful technical handbook. Less experienced users will appreciate its in-depth explanations of the fate and transport processes vital to effective remedial response. More experienced users will use the book as a source of information, data and equations to support quantitative assessments of pollutant fate and transport.
Book Synopsis Multiphase Flow and Multispecies Transport in the Subsurface by : Wonyong Jang
Download or read book Multiphase Flow and Multispecies Transport in the Subsurface written by Wonyong Jang and published by . This book was released on 2008-07-01 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to protect groundwater resources from pollution and to clean up contaminated sites, we should understand the fate and transport of contaminants in the subsurface and physical-chemical-biological processes involving remediation. To enhance our understanding, numerical studies are performed on (i) multiphase flow and multispecies transport of volatile organic compounds (VOCs), (ii) biological transformations of contaminants, (iii) in-situ air sparging (IAS), and (iv) thermal enhanced venting in the subsurface. Among VOCs, trichloroethylene, dichloroethylenes, and vinyl chloride are chosen as target contaminants herein. The effects of density-driven advection of gas phase and biotransformation of contaminants on their fate and transport are analyzed under various environmental conditions involving infiltration, permeability, and bioreaction kinetics. Under IAS, the interactive dynamic flows of water and injected air through porous media in the subsurface are elucidated. A three-dimensional numerical model, called TechFlowMP, is developed, verified, and validated using analytical solutions and experimental data published in the literature.
Book Synopsis Subsurface Transport and Fate Processes by : Robert C. Knox
Download or read book Subsurface Transport and Fate Processes written by Robert C. Knox and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
