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Evaluating Detonation Possibilities In A Hanford Radioactive Waste Tank
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Book Synopsis Evaluating Detonation Possibilities in a Hanford Radioactive Waste Tank by :
Download or read book Evaluating Detonation Possibilities in a Hanford Radioactive Waste Tank written by and published by . This book was released on 1994 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the early 1940s, radioactive wastes generated from the defense operations at the Hanford Site have been stored in underground waste storage tanks. During the intervening years, the waste products in some of these tanks have transformed into a potentially hazardous mixture of gases and solids as a result of radiolytic and thermal chemical reactions. One tank in particular, Tank 101-SY, has been periodically releasing high concentrations of a hydrogen/nitrous oxide/nitrogen/ ammonia gas mixture into the tank dome vapor space. There are concerns that under certain conditions a detonation of the flammable gas mixture may occur. There are two ways that a detonation can occur during a release of waste gases into the dome vapor splice: (1) direct initiation of detonation by a powerful ignition source, and (2) deflagration to detonation transition (DDT). The first case involves a strong ignition source of high energy, high power, or of large size (roughly 1 g of high explosive (4.6 kj) for a stoichiometric hydrogen-air mixture1) to directly initiate a detonation by ''shock'' initiation. This strong ignition is thought to be incredible for in-tank ignition sources. The second process involves igniting the released waste gases, which results in a subsonic flame (deflagration) propagating into the unburned combustible gas. The flame accelerates to velocities that cause compression waves to form in front of the deflagration combustion wave. Shock waves may form, and the combustion process may transition to a detonation wave.
Book Synopsis Evaluating Detonation Possiblities in a Hanford Radioactive Waste Tank by :
Download or read book Evaluating Detonation Possiblities in a Hanford Radioactive Waste Tank written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Energy by : United States. General Accounting Office
Download or read book Nuclear Energy written by United States. General Accounting Office and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radioactive Waste Management written by and published by . This book was released on 1981 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Accident and Explosion Risks at Department of Energy High-level Radioactive Waste Facilities by : United States. Congress. Senate. Committee on Governmental Affairs
Download or read book Accident and Explosion Risks at Department of Energy High-level Radioactive Waste Facilities written by United States. Congress. Senate. Committee on Governmental Affairs and published by . This book was released on 1990 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear waste Department of Energy's Hanford Tank Waste Project schedule, cost, and management issues : report to congressional requesters by :
Download or read book Nuclear waste Department of Energy's Hanford Tank Waste Project schedule, cost, and management issues : report to congressional requesters written by and published by DIANE Publishing. This book was released on with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bygningslov for Kjøbstæderne i Kongeriget Danmark, Stadfæstet Af Hs. Maj. Kong Frederik VII. Den 30te December 1858, Med Tillæg Af 3. Januar 1890 by :
Download or read book Bygningslov for Kjøbstæderne i Kongeriget Danmark, Stadfæstet Af Hs. Maj. Kong Frederik VII. Den 30te December 1858, Med Tillæg Af 3. Januar 1890 written by and published by . This book was released on 1899 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hanford Tank Ventilation System Condensates and Headspace Vapors by : James L. Huckaby
Download or read book Hanford Tank Ventilation System Condensates and Headspace Vapors written by James L. Huckaby and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hanford Tank Cleanup by : R. E. Gephart
Download or read book Hanford Tank Cleanup written by R. E. Gephart and published by . This book was released on 1998 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hanford Tank Cleanup is a first-of-its-kind report written about the most unique industrial waste ever created by modern industrial society. This waste, some 54 million gallons of radioactive and chemical residue now resting inside 177 underground storage tanks at the U.S. Department of Energy's Hanford Site in Washington State, is part of the nation's 90 million gallon inventory of highly radioactive waste.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of Nuclear Thermal Hydraulics by :
Download or read book Proceedings of Nuclear Thermal Hydraulics written by and published by . This book was released on 1994 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hanford Site Tank Waste Remediation Systems (TWRS), Management and Disposal of Radioactive, Hazardous, and Mixed Wastes, City of Richland, Grant County by :
Download or read book Hanford Site Tank Waste Remediation Systems (TWRS), Management and Disposal of Radioactive, Hazardous, and Mixed Wastes, City of Richland, Grant County written by and published by . This book was released on 1996 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Probabilistic Safety Assessment for Hanford High-level Waste Tank 241-SY-101 by :
Download or read book Probabilistic Safety Assessment for Hanford High-level Waste Tank 241-SY-101 written by and published by . This book was released on 1994 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: Los Alamos National Laboratory (Los Alamos) is performing a comprehensive probabilistic safety assessment (PSA), which will include consideration of external events for the 18 tank farms at the Hanford Site. This effort is sponsored by the Department of Energy (DOE/EM, EM-36). Even though the methodology described herein will be applied to the entire tank farm, this report focuses only on the risk from the weapons-production wastes stored in tank number 241-SY-101, commonly known as Tank 101-SY, as configured in December 1992. This tank, which periodically releases ({open_quotes}burps{close_quotes}) a gaseous mixture of hydrogen, nitrous oxide, ammonia, and nitrogen, was analyzed first because of public safety concerns associated with the potential for release of radioactive tank contents should this gas mixture be ignited during one of the burps. In an effort to mitigate the burping phenomenon, an experiment is being conducted in which a large pump has been inserted into the tank to determine if pump-induced circulation of the tank contents will promote a slow, controlled release of the gases. At the Hanford Site there are 177 underground tanks in 18 separate tank farms containing accumulated liquid/sludge/salt cake radioactive wastes from 50 yr of weapons materials production activities. The total waste volume is about 60 million gal., which contains approximately 120 million Ci of radioactivity.
Book Synopsis Hanford Tank Farm Vapors Abatement Technology and Vendor Proposals Assessment by :
Download or read book Hanford Tank Farm Vapors Abatement Technology and Vendor Proposals Assessment written by and published by . This book was released on 2016 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Suspected chemical vapor releases from the Hanford nuclear waste tank system pose concerns for worker exposure. Washington River Protection Solutions (WRPS) contracted the Savannah River National Laboratory (SRNL) to explore abatement technologies and strategies to remediate the vapors emitted through the ventilation system. In response, SRNL conducted an evaluation of technologies to abate, or reduce, vapor emissions to below 10% of the recognized occupational exposure limits (OELs). The evaluation included a review of published literature and a broadly communicated Request for Information to commercial vendors through a Federal Business Opportunities (Fed Biz Opps) web posting. In addition, SRNL conducted a workshop and post-workshop conference calls with interested suppliers (vendors) to assess proposals of relevant technologies. This report reviews applicable technologies and summarizes the approaches proposed by the vendors who participated in the workshop and teleconference interviews. In addition, the report evaluates the estimated performance of the individual technologies for the various classes of chemical compounds present in the Hanford Chemicals of Potential Concern (COPCs) list. Similarly, the report provides a relative evaluation of the vendor proposed approaches against criteria of: technical feasibility (and maturity), design features, operational considerations, secondary waste generation, safety/regulatory, and cost / schedule. These rough order magnitude (ROM) cost estimates are intended to provide a comparison basis between technologies and are not intended to be actual project estimates.
Book Synopsis Waste Gas Combustion in a Hanford Radioactive Waste Tank by :
Download or read book Waste Gas Combustion in a Hanford Radioactive Waste Tank written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Criticality Safety Evaluation of Hanford Site High Level Waste Storage Tanks by :
Download or read book Criticality Safety Evaluation of Hanford Site High Level Waste Storage Tanks written by and published by . This book was released on 2000 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This criticality safety evaluation covers operations for waste in underground storage tanks at the high-level waste tank farms on the Hanford site. This evaluation provides the bases for criticality safety limits and controls to govern receipt, transfer, and long-term storage of tank waste. Justification is provided that a nuclear criticality accident cannot occur for tank farms operations, based on current fissile material and operating conditions.
Book Synopsis Hanford Waste Tank Safety Issues by :
Download or read book Hanford Waste Tank Safety Issues written by and published by . This book was released on 1991 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents an overview of the potential high-activity waste safety issues in the 177 underground radioactive waste storage tanks at the Hanford Site. Also, included is a discussion of the strategy and plans to remedy hazardous conditions and remove other deficiencies related to the operation of the tanks. A three-pronged multimillion dollar integrated program has been initiated that (1) assesses and, on an as needed basis, defines remediation and/or mitigation actions to allow interim stabilization of high risk waste tanks; (2) upgrades existing facilities and instrumentation to meet current nuclear facility operations standards; and (3) addresses and upgrades the conduct of operations. For tanks that are considered at risk, extensive management controls presently are employed to ensure that the tanks continue to be maintained in a safe manner. In addition, comprehensive monitoring, characterization and applied research, and engineering efforts have been initiated to support resolution of safety issues. A key element of the Westinghouse Hanford Company effort is preventing future problems associated with creating potentially incompatible wastes as part of waste management activities associated with the planned disposal of the wastes in these storage tanks. Such efforts also will provide the basis for safe near future remediation of tanks and define and maintain the envelope of safety to support the ultimate disposal of all high- activity waste in Hanford Site tanks. 6 refs., 1 fig., 1 tab.
