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Characterization Of Hanford N Reactor Spent Fuel And K Basin Sludges
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Book Synopsis Characterization of Hanford N Reactor Spent Fuel and K Basin Sludges by :
Download or read book Characterization of Hanford N Reactor Spent Fuel and K Basin Sludges written by and published by . This book was released on 1996 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Characterization is in progress for the N Reactor fuel stored in the Hanford K Basins. These activities' support the strategy for removal of fuel from the basins and storage of fuel in a dry condition at an area remote from the Columbia River. This strategy currently consists of placing fuel in a Multi-Canister Overpack (MCO), drying the fuel while it resides in the MCO and conditioning some portion of the fuel to reduce its chemical reactivity. Characterization includes the examination of fuel, canisters, and associated sludge. It consists firstly of in-basin activities such as visual examination, sludge depth measurements, and sampling of gas and liquid in canisters. Secondly characterization ecompasses the examination of samples of fuel and sludge which have been removed from the basins and shipped to laboratories. This paper presents observations made in the basins during the most recent attempts to ship samples from the basins and data obtained in the laboratory hotcells.
Book Synopsis Characterization of Hanford K Basin Fuel and Sludge by :
Download or read book Characterization of Hanford K Basin Fuel and Sludge written by and published by . This book was released on 1997 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Characterization of N Reactor metal spent fuel and associated sludge stored in the two Hanford K Basins has entered a more mature stage. Previous campaigns had consisted of top-view visual surveys of-open fuel canisters, limited collection of gas and liquid from sealed canisters, detailed examinations of only a few-fuel elements and collection of sludge from the floor of only one basin. More recent work has included lifting fuel elements from both Basins to ascertain bottom end and circumferential cracks. Sludge collection has now been performed for material residing inside of spent fuel canisters in both Basins. Finally the number of gas and liquid samples from sealed canisters has been greatly expanded leading to a maximum observed cesium-137 content ten times higher than previous reports. Characterization has been a challenge because of the age of the fuel materials, the water environment, and the radiation field.
Book Synopsis Technical Issues and Characterization for Fuel and Sludge in Hanford K Basins by :
Download or read book Technical Issues and Characterization for Fuel and Sludge in Hanford K Basins written by and published by . This book was released on 2000 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technical Issues for the interim dry storage of N Reactor Spent Nuclear Fuel (SNF) are discussed. Characterization data from fuel, to support resolution of these issues, are reviewed and new results for the oxidation of fuel in a moist atmosphere and the drying of whole fuel elements are presented. Characterization of associated K basin sludge is also discussed in light of a newly adopted disposal pathway.
Book Synopsis Plan for Characterization of K Basin Spent Nuclear Fuel and Sludge by :
Download or read book Plan for Characterization of K Basin Spent Nuclear Fuel and Sludge written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interim Storage of Hanford Spent Fuel & Associated Sludge by :
Download or read book Interim Storage of Hanford Spent Fuel & Associated Sludge written by and published by . This book was released on 2002 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Hanford site is currently dealing with a number of types of Spent Nuclear Fuel. The route to interim dry storage for the various fuel types branches along two different paths. Fuel types such as metallic N reactor fuel and Shippingport Core 2 Blanket assemblies are being placed in approximately 4 m long canisters which are then stored in tubes below grade in a new canister storage building. Other fuels such as TRIGA{trademark} and Light Water Reactor fuel will be relocated and stored in stand-alone casks on a concrete pad. Varying degrees of sophistication are being applied with respect to the drying and/or evacuation of the fuel interim storage canisters depending on the reactivity of the fuel, the degree of damaged fuel and the previous storage environment. The characterization of sludge from the Hanford K Basins is nearly complete and canisters are being designed to store the sludge (including uranium particles from fuel element cleaning) on an interim basis.
Book Synopsis Management of Spent Nuclear Fuel from the K Basins at Hanford Site, Columbia River County, Richland County, Benton County by :
Download or read book Management of Spent Nuclear Fuel from the K Basins at Hanford Site, Columbia River County, Richland County, Benton County written by and published by . This book was released on 1996 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book K Basins Hazard Analysis written by and published by . This book was released on 2002 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 105-K East (KE) and 105-K West (KW) Basins in the 100 K Area of the Hanford Site have been used for storage of irradiated N Reactor and single-pass reactor fuel. Remaining spent fuel is continuing to be stored underwater in racks and canisters in the basins while fuel retrieval activities proceed to remove the fuel from the basins. The Spent Nuclear Fuel (SNF) Project is adding equipment to the facility in preparation for removing the fuel and sludge from the basins. In preparing this hazard analysis, a variety of hazard analysis techniques were used by the K Basins hazard analysis teams, including hazard and operability studies, preliminary hazard analyses, and ''what if'' analyses. This document summarizes the hazard analyses performed as part of the safety evaluations for the various modification projects and combines them with the original hazard analyses to create a living hazard analysis document.
Book Synopsis Design and Safety Basis Sludge Characterization from Exposure-adjusted Radioisotopic Source Terms for N Reactor Fuel Stored at K-East and K-West Basins by :
Download or read book Design and Safety Basis Sludge Characterization from Exposure-adjusted Radioisotopic Source Terms for N Reactor Fuel Stored at K-East and K-West Basins written by and published by . This book was released on 2001 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Safeguards and Accountability database was used as the primary source document for exposure data for spent N Reactor fuel stored at the K-East and K-West basins. This database is a listing of all keys (ie., groups of fuel discharged from the reactor at the same time), and the exposure for that key, mass of uranium in the key, fuel type (whether Mark IV or Mark IA), and several other parameters. There are nearly five hundred records (keys) in this database. Figure 1 illustrates an N Reactor Mark IV fuel assembly. The axial length of the endcap is approximately 0.19 inch. Mark IA and Mark IV fuel are low enriched zircalloy-2 clad metallic uranium tube-in-tube assemblies held together with spacers and clips. Unexposed Mark IV fuel assemblies have an enrichment of 0.947 wt% 235U in both inner and outer tubes. Unexposed Mark IA assemblies have an enrichment of 1.25 wt% 235U in the outer tube and 0.947 wt% 235U in the inner tube.
Book Synopsis Analysis of Sludge from Hanford K East Basin Canisters by :
Download or read book Analysis of Sludge from Hanford K East Basin Canisters written by and published by . This book was released on 1997 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sludge samples from the canisters in the Hanford K East Basin fuel storage pool have been retrieved and analyzed. Both chemical and physical properties have been determined. The results are to be used to determine the disposition of the bulk of the sludge and to assess the impact of residual sludge on dry storage of the associated intact metallic uranium fuel elements. This report is a summary and review of the data provided by various laboratories. Although raw chemistry data were originally reported on various bases (compositions for as-settled, centrifuged, or dry sludge) this report places all of the data on a common comparable basis. Data were evaluated for internal consistency and consistency with respect to the governing sample analysis plan. Conclusions applicable to sludge disposition and spent fuel storage are drawn where possible.
Book Synopsis The Office of Environmental Management Technical Reports by :
Download or read book The Office of Environmental Management Technical Reports written by and published by . This book was released on 1997 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book K Basin Hazard Analysis written by and published by . This book was released on 2002 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 105-K East (KE) and 105-K West (KW) Basins in the 100 K Area of the Hanford Site have been used for storage of irradiated N Reactor and single-pass reactor fuel. Remaining spent fuel is continuing to be stored underwater in racks and canisters in the basins while fuel retrieval activities proceed to remove the fuel from the basins. The Spent Nuclear Fuel (SNF) Project is adding equipment to the facility in preparation for removing the fuel and sludge from the basins. In preparing this hazard analysis, a variety of hazard analysis techniques were used by the K Basins hazard analysis teams, including hazard and operability studies, preliminary hazard analyses, and ''what if'' analyses. This document summarizes the hazard analyses performed as part of the safety evaluations for the various modification projects and combines them with the original hazard analyses to create a living hazard analysis document.
Book Synopsis In Situ Characterization of Metal Fuel Stored in the Hanford K Basins by :
Download or read book In Situ Characterization of Metal Fuel Stored in the Hanford K Basins written by and published by . This book was released on 1995 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Hanford K Basins contain roughly 2,000 tons of uranium metal fuel previously irradiated in N Reactor. Current plans call for the fuel to be moved to a new storage location in the next few years. This paper describes near term activities to gather data on the mechanical condition and chemical state of the fuel and associated sludge. These on-going in-situ, nondestructive, examinations are intended to complement hot cell examinations which are planned for the near future. Characterization data will feed decisions on interim storage, long term storage and the environmental documentation process as the fuel is relocated. Several techniques have been, or are planned to be, employed during the conduct of examinations in the K Basins. (1) A video survey using underwater cameras has been made for the open top canisters which hold fuel in the K East Basin. These data have given early assessments of cladding degradation, canister corrosion, fuel swelling, and canister/fuel interactions; (2) Ultrasonic measurements of the water level in gas traps connected to sealed canisters have been used to provide indications of gas generation in or water leakage into the canisters; (3) Sampling of gas and water from closed canisters of fuel in the K West Basin will furnish indications of fuel corrosion, fission product release, and canister integrity and will guide choices of fuel to be retrieved for detailed hot cell examinations; (4) Depth measurements and qualitative properties assessments for the sludge on the floor of the basins and in the bottom of canisters have been made using underwater video techniques.
Book Synopsis K Basin Spent Fuel Sludge Treatment Alternatives Study. Volume 1, Regulatory Options by :
Download or read book K Basin Spent Fuel Sludge Treatment Alternatives Study. Volume 1, Regulatory Options written by and published by . This book was released on 1995 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximately 2100 metric tons of irradiated N Reactor fuel are stored in the KE and KW Basins at the Hanford Site, Richland, Washington. Corrosion of the fuel has led to the formation of sludges, both within the storage canisters and on the basin floors. Concern about the degraded condition of the fuel and the potential for leakage from the basins in proximity to the Columbia River has resulted in DOE's commitment in the Tri-Party Agreement (TPA) to Milestone M-34-00-T08 to remove the fuel and sludges by a December 2002 target date. To support the planning for this expedited removal action, the implications of sludge management under various scenarios are examined. Volume 1 of this two-volume report describes the regulatory options for managing the sludges, including schedule and cost impacts, and assesses strategies for establishing a preferred path.
Book Synopsis K Basin Spent Fuel Sludge Treatment Alternatives Study. Volume 2, Technical Options by :
Download or read book K Basin Spent Fuel Sludge Treatment Alternatives Study. Volume 2, Technical Options written by and published by . This book was released on 1995 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximately 2100 metric tons of irradiated N Reactor fuel are stored in the KE and KW Basins at the Hanford Site, Richland, Washington. Corrosion of the fuel has led to the formation of sludges, both within the storage canisters and on the basin floors. Concern about the degraded condition of the fuel and the potential for leakage from the basins in proximity to the Columbia River has resulted in DOE's commitment in the Tri-Party Agreement (TPA) to Milestone M-34-00-T08 to remove the fuel and sludges by a December 2002 target date. To support the planning for this expedited removal action, the implications of sludge management under various scenarios are examined. This report, Volume 2 of two volumes, describes the technical options for managing the sludges, including schedule and cost impacts, and assesses strategies for establishing a preferred path.
Book Synopsis Strategy for Analysis of Coatings and Subsurface Sludge Recovered During Hot Cell Examinations of N Reactor Elements from Hanford K Basins by :
Download or read book Strategy for Analysis of Coatings and Subsurface Sludge Recovered During Hot Cell Examinations of N Reactor Elements from Hanford K Basins written by and published by . This book was released on 1997 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Subsurface sludge and/or surface coating material have been collected for four N Reactor fuel elements from K West Basin and one element from K East Basin. It is proposed that examinations of the fairly small volumes of recovered material proceed in order to identify the constituents and their potential impacts on fuel and sludge processing. Lists of potential examination techniques and material allocations are given in this report.
Book Synopsis Management Of Hanford KW Basin Knockout Pot Sludge As Spent Nuclear Fuel by :
Download or read book Management Of Hanford KW Basin Knockout Pot Sludge As Spent Nuclear Fuel written by and published by . This book was released on 2012 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: CH2M HILL Plateau Remediation Company (CHPRC) and AREVA Federal Services, LLC (AFS) have been working collaboratively to develop and deploy technologies to remove, transport, and interim store remote-handled sludge from the 10S-K West Reactor Fuel Storage Basin on the U.S. Department of Energy (DOE) Hanford Site near Richland, WA, USA. Two disposal paths exist for the different types of sludge found in the K West (KW) Basin. One path is to be managed as Spent Nuclear Fuel (SNF) with eventual disposal at an SNF at a yet to be licensed repository. The second path will be disposed as remote-handled transuranic (RH-TRU) waste at the Waste Isolation Pilot Plant (WIPP) in Carlsbad, NM. This paper describes the systems developed and executed by the Knockout Pot (KOP) Disposition Subproject for processing and interim storage of the sludge managed as SNF, (i.e., KOP material).
Book Synopsis Proceedings of the Embedded Topical Meeting on DOE Spent Nuclear Fuel and Fissile Material Management, San Diego, California, June 4-8, 2000 by :
Download or read book Proceedings of the Embedded Topical Meeting on DOE Spent Nuclear Fuel and Fissile Material Management, San Diego, California, June 4-8, 2000 written by and published by . This book was released on 2000 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
