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Investigation Of The Behavior Of Plutoniumv In Alkaline Media
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Book Synopsis Investigation of the Behavior of Plutonium(V) in Alkaline Media by : N. A. Budantseva
Download or read book Investigation of the Behavior of Plutonium(V) in Alkaline Media written by N. A. Budantseva and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Extraction of Uranium, Neptunium and Plutonium from Caustic Media by :
Download or read book Extraction of Uranium, Neptunium and Plutonium from Caustic Media written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: 5 Fundamental research on uranium, neptunium and plutonium separation from alkaline media using solvent extraction is being conducted. Specific extractants for these actinides from alkaline media have been synthesized to investigate the feasibility of selective removal of these elements. Two families of extractants have been studied: terephthalamide and tetra(hydroxybenzyl)ethylene diamine derivatives. Fundamental studies were conducted to characterize their extraction behavior from a wide variety of aqueous conditions. The terephthalamide derivatives exhibit a significant extraction strength along with a discriminatory behavior among the actinides, plutonium being extracted the most strongly. Quantitative extraction of plutonium and moderate extraction of neptunium and uranium was achieved from a simple caustic solution. Interestingly, strontium is also quantitatively extracted by these derivatives. However, their stability to highly caustic solutions still needs to be imp roved. Tetra(hydroxybenzyl)ethylene diamine derivatives exhibit a very good stability to caustic conditions and are currently being studied.
Book Synopsis Actinide Speciation in High Ionic Strength Media by : Donald T. Reed
Download or read book Actinide Speciation in High Ionic Strength Media written by Donald T. Reed and published by Springer Science & Business Media. This book was released on 2012-09-21 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: The management and disposal of radioactive wastes are key international issues requiring a sound, fundamental scientific basis to insure public and environmental protection. Large quantities of existing nuclear waste must be treated to encapsulate the radioactivity in a form suitable for disposal. The treatment of this waste, due to its extreme diversity, presents tremendous engineering and scientific challenges. Geologic isolation of transuranic waste is the approach currently proposed by all nuclear countries for its final disposal. To be successful in this endeavor, it is necessary to understand the behavior of plutonium and the other actinides in relevant environmental media. Conceptual models for stored high level waste and waste repository systems present many sCientific difficulties due to their complexity and non-ideality. For example, much of the high level nuclear waste in the US is stored as alkaline concentrated electrolyte materials, where the chemistry of the actinides under such conditions is not well understood. This lack of understanding limits the successful separation and treatment of these wastes. Also, countries such as the US and Germany plan to dispose of actinide bearing wastes in geologic salt deposits. In this case, understanding the speciation and transport properties of actinides in brines is critical for confidence in repository performance and risk assessment activities. Many deep groundwaters underlying existing contaminated sites are also high in ionic strength. Until recently, the scientific basis for describing actinide chemistry in such systems was extremely limited.
Book Synopsis Advances in Plutonium Chemistry, 1967-2000 by : Darleane C. Hoffman
Download or read book Advances in Plutonium Chemistry, 1967-2000 written by Darleane C. Hoffman and published by Gwasg y Bwthyn. This book was released on 2002 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-06 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Environmental Challenges of Nuclear Disarmament by : Thomas E. Baca
Download or read book The Environmental Challenges of Nuclear Disarmament written by Thomas E. Baca and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: The end of the Cold War marked the beginning of a new era of facing the legacy of the arms race. The enormous challenge confronting us now is to strengthen the fragile nature of the new political balance. The beginning of this new historical period is characterized by mistrust, and the best way to ease these tensions is through international collaborations. Moreover, the intimate nature of close, non-invasive, collaborative work on environmental problems can help establish a secure foundation of mutual understanding and trust. Environmental projects are non-threatening to national security issues and may involve collaborations throughout the international weapons complex. Personal and individual scientific relationships quite often spearhead agreements at the government-to-government level. Environmental and nonproliferation issues are of great importance to the citizens of Russia, to the states of the Former Soviet Union, and to neighboring countries. The activities associated with decontamination and decommissioning of old facilities, environmental restoration, security enhancements, monitoring and surveillance, and risk reduction should provide a significant employment potential for scientists and engineers of the weapons complex of the Former Soviet Union.
Book Synopsis Plutonium(IV) Precipitates Formed in Alkaline Media in the Presence of Various Anions by : N. N. Krot
Download or read book Plutonium(IV) Precipitates Formed in Alkaline Media in the Presence of Various Anions written by N. N. Krot and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Disposition of Plutonium in Hanford Site Tank Wastes by :
Download or read book Chemical Disposition of Plutonium in Hanford Site Tank Wastes written by and published by . This book was released on 2015 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report examines the chemical disposition of plutonium (Pu) in Hanford Site tank wastes, by itself and in its observed and potential interactions with the neutron absorbers aluminum (Al), cadmium (Cd), chromium (Cr), iron (Fe), manganese (Mn), nickel (Ni), and sodium (Na). Consideration also is given to the interactions of plutonium with uranium (U). No consideration of the disposition of uranium itself as an element with fissile isotopes is considered except tangentially with respect to its interaction as an absorber for plutonium. The report begins with a brief review of Hanford Site plutonium processes, examining the various means used to recover plutonium from irradiated fuel and from scrap, and also examines the intermediate processing of plutonium to prepare useful chemical forms. The paper provides an overview of Hanford tank defined-waste-type compositions and some calculations of the ratios of plutonium to absorber elements in these waste types and in individual waste analyses. These assessments are based on Hanford tank waste inventory data derived from separately published, expert assessments of tank disposal records, process flowsheets, and chemical/radiochemical analyses. This work also investigates the distribution and expected speciation of plutonium in tank waste solution and solid phases. For the solid phases, both pure plutonium compounds and plutonium interactions with absorber elements are considered. These assessments of plutonium chemistry are based largely on analyses of idealized or simulated tank waste or strongly alkaline systems. The very limited information available on plutonium behavior, disposition, and speciation in genuine tank waste also is discussed. The assessments show that plutonium coprecipitates strongly with chromium, iron, manganese and uranium absorbers. Plutonium's chemical interactions with aluminum, nickel, and sodium are minimal to non-existent. Credit for neutronic interaction of plutonium with these absorbers occurs only if they are physically proximal in solution or the plutonium present in the solid phase is intimately mixed with compounds or solutions of these absorbers. No information on the potential chemical interaction of plutonium with cadmium was found in the technical literature. Definitive evidence of sorption or adsorption of plutonium onto various solid phases from strongly alkaline media is less clear-cut, perhaps owing to fewer studies and to some well-attributed tests run under conditions exceeding the very low solubility of plutonium. The several studies that are well-founded show that only about half of the plutonium is adsorbed from waste solutions onto sludge solid phases. The organic complexants found in many Hanford tank waste solutions seem to decrease plutonium uptake onto solids. A number of studies show plutonium sorbs effectively onto sodium titanate. Finally, this report presents findings describing the behavior of plutonium vis-à-vis other elements during sludge dissolution in nitric acid based on Hanford tank waste experience gained by lab-scale tests, chemical and radiochemical sample characterization, and full-scale processing in preparation for strontium-90 recovery from PUREX sludges.
Book Synopsis The Office of Environmental Management Technical Reports: A Bibliography by :
Download or read book The Office of Environmental Management Technical Reports: A Bibliography written by and published by DIANE Publishing. This book was released on 2001 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Office of Environmental Management's (EM) technical reports bibliography is an annual publication that contains information on scientific and technical reports sponsored by the Office of Environmental Management added to the Energy Science and Technology Database from July 1, 1994 through June 30, 1995. This information is divided into the following categories: Focus Areas, Cross-Cutting Programs, and Support Programs. In addition, a category for general information is included. EM's Office of Science and Technology sponsors this bibliography.
Book Synopsis AEC Authorizing Legislation, FY75 by : United States. Congress. Joint Committee on Atomic Energy
Download or read book AEC Authorizing Legislation, FY75 written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1974 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Public Works for Water and Power Development and Atomic Energy Commission Appropriations for Fiscal Year 1975 by : United States. Congress. Senate. Committee on Appropriations
Download or read book Public Works for Water and Power Development and Atomic Energy Commission Appropriations for Fiscal Year 1975 written by United States. Congress. Senate. Committee on Appropriations and published by . This book was released on 1974 with total page 1880 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis General statement and appendixes by : United States. Congress. Joint Committee on Atomic Energy
Download or read book General statement and appendixes written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1974 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AEC Authorizing Legislation by : United States. Congress. Joint Committee on Atomic Energy
Download or read book AEC Authorizing Legislation written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1975 with total page 1374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Public Works Publisher : ISBN 13 : Total Pages :2426 pages Book Rating :4.F/5 ( download)
Book Synopsis Public Works for Water and Power Development and Atomic Energy Commission Appropriation Bill, 1975 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Public Works
Download or read book Public Works for Water and Power Development and Atomic Energy Commission Appropriation Bill, 1975 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Public Works and published by . This book was released on 1974 with total page 2426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AEC Authorizing Legislation, Fiscal Year 1975 by : United States. Congress. Joint Committee on Atomic Energy
Download or read book AEC Authorizing Legislation, Fiscal Year 1975 written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1974 with total page 1360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AEC Authorizing Legislation, Fiscal Year 1975: General statement and appendixes by : United States. Congress. Joint Committee on Atomic Energy
Download or read book AEC Authorizing Legislation, Fiscal Year 1975: General statement and appendixes written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1974 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hearings and Reports on Atomic Energy by : United States. Congress. Joint Committee on Atomic Energy
Download or read book Hearings and Reports on Atomic Energy written by United States. Congress. Joint Committee on Atomic Energy and published by . This book was released on 1974 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt: