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Feasibility Report On Criticality Issues Associated With Storage Of K Basin Sludge In Tank Farms
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Book Synopsis Feasibility Report on Criticality Issues Associated with Storage of K Basin Sludge in Tank Farms by : P. M. Daling
Download or read book Feasibility Report on Criticality Issues Associated with Storage of K Basin Sludge in Tank Farms written by P. M. Daling and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Feasibility Report on Criticality Issues Associated with Storage of K Basin Sludge in Tanks Farms by :
Download or read book Feasibility Report on Criticality Issues Associated with Storage of K Basin Sludge in Tanks Farms written by and published by . This book was released on 1997 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This feasibility study provides the technical justification for conclusions about K Basin sludge storage options. The conclusions, solely based on criticality safety considerations, depend on the treatment of the sludge. The two primary conclusions are, (1) untreated sludge must be stored in a critically safe storage tank, and (2) treated sludge (dissolution, precipitation and added neutron absorbers) can be stored in a standard Double Contained Receiver Tank (DCRT) or 241-AW-105 without future restrictions on tank operations from a criticality safety perspective.
Author :United States. Congress. House. Committee on Commerce. Subcommittee on Oversight and Investigations Publisher : ISBN 13 : Total Pages :352 pages Book Rating :4.0/5 ( download)
Book Synopsis Department of Energy's Hanford Spent Nuclear Fuel Project by : United States. Congress. House. Committee on Commerce. Subcommittee on Oversight and Investigations
Download or read book Department of Energy's Hanford Spent Nuclear Fuel Project written by United States. Congress. House. Committee on Commerce. Subcommittee on Oversight and Investigations and published by . This book was released on 1998 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ההתפתחות הרוחנית של הישוב היהודי באנגליה מהכיבוש הנורמנדי עד הגירוש בשנת 1290 by :
Download or read book ההתפתחות הרוחנית של הישוב היהודי באנגליה מהכיבוש הנורמנדי עד הגירוש בשנת 1290 written by and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Воспоминаниâ by : Леонид Ильич Брежнев
Download or read book Воспоминаниâ written by Леонид Ильич Брежнев and published by . This book was released on 1981 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis K Basin Sludge & Water System Preliminary Hazard Analysis by :
Download or read book K Basin Sludge & Water System Preliminary Hazard Analysis written by and published by . This book was released on 2001 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides the initial Preliminary Hazard Analysis (PHA) for the Spent Nuclear Fuel (SNF) Project, Sludge and Water System (SWS) subproject. The purpose of the K East (KE) basins SWS is to provide a system that will transfer the KE basins sludge from in-basin storage or source locations to containment and loadout for subsequent transport to T Plant for storage. The SWS will provide a system (Phase I) to retrieve and contain the identified as-settled sludge volume in the KE basin, while maintaining basin water clarity and associated radioactive control limits in accordance with basin operation requirements, and to support the Fuel Transfer System (FTS) and Debris Removal System (DRS). The SWS will also provide a system (Phase II) to retrieve and contain the remaining as-settled sludge volume in the K East basin, while maintaining basin water clarity and associated radioactive control limits in accordance with basin operation requirements. The SWS is in the conceptual design phase. A primary purpose of this PHA is to support the Conceptual Design Document (draft). As details of the SWS process and design are developed, this initial PHA will require revision. The K Basin Hazard Analysis (HNF-3960) documents the hazard analysis previously performed on the K basins including the multi-canister overpack (MCO) and support buildings. HNF-3960 will be updated later to reflect future SWS activities for sludge and water transfer to ensure that all hazards are included. All operational activities and energy sources associated with the SWS are evaluated in this hazard analysis. Using a systematic approach, this document identifies hazards created by abnormal operating conditions, external events (e.g., range fire), and natural phenomena hazards (e.g., earthquake) with the potential for causing undesirable consequences to facility workers, on-site individuals, the public, or the environment.
Download or read book Radioactive Waste Management written by and published by . This book was released on 1995-04 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis K Basin Sludge Treatment Process Description by :
Download or read book K Basin Sludge Treatment Process Description written by and published by . This book was released on 1998 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The K East (KE) and K West (KW) fuel storage basins at the 100 K Area of the Hanford Site contain sludge on the floor, in pits, and inside fuel storage canisters. The major sources of the sludge are corrosion of the fuel elements and steel structures in the basin, sand intrusion from outside the buildings, and degradation of the structural concrete that forms the basins. The decision has been made to dispose of this sludge separate from the fuel elements stored in the basins. The sludge will be treated so that it meets Tank Waste Remediation System (TWRS) acceptance criteria and can be sent to one of the double-shell waste tanks. The US Department of Energy, Richland Operations Office accepted a recommendation by Fluor Daniel Hanford, Inc., to chemically treat the sludge. Sludge treatment will be done by dissolving the fuel constituents in nitric acid, separating the insoluble material, adding neutron absorbers for criticality safety, and reacting the solution with caustic to co-precipitate the uranium and plutonium. A truck will transport the resulting slurry to an underground storage tank (most likely tank 241-AW-105). The undissolved solids will be treated to reduce the transuranic (TRU) and content, stabilized in grout, and transferred to the Environmental Restoration Disposal Facility (ERDF) for disposal. This document describes a process for dissolving the sludge to produce waste streams that meet the TWRS acceptance criteria for disposal to an underground waste tank and the ERDF acceptance criteria for disposal of solid waste. The process described is based on a series of engineering studies and laboratory tests outlined in the testing strategy document (Flament 1998).
Book Synopsis Engineering Study by : Kenneth M. Quigley
Download or read book Engineering Study written by Kenneth M. Quigley and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis K Basin Sludge Conditioning Process Testing Project Results from Test 4, ''Acid Digestion of Mixed-Bed Ion Exchange Resin'' by :
Download or read book K Basin Sludge Conditioning Process Testing Project Results from Test 4, ''Acid Digestion of Mixed-Bed Ion Exchange Resin'' written by and published by . This book was released on 1999 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximately 73 m3 of heterogeneous solid material, ''sludge, '' (upper bound estimate, Packer 1997) have accumulated at the bottom of the K Basins in the 100 K Area of the Hanford Site. This sludge is a mixture of spent fuel element corrosion products, ion exchange materials (organic and inorganic), graphite-based gasket materials, iron and aluminum metal corrosion products, sand, and debris (Makenas et al. 1996, 1997). In addition, small amounts of polychlorinated biphenyls (PCBs) have been found. Ultimately, it is planned to transfer the K Basins sludge to the Hanford double shell tanks (DSTs). The Hanford Spent Nuclear Fuel (HSNF) project has conducted a number of evaluations to examine technology and processing alternatives to pretreat K Basin sludge to meet storage and disposal requirements. From these evaluations, chemical pretreatment has been selected to address criticality issues, reactivity, and the destruction or removal of PCBs before the K Basin sludge can be transferred to the DSTs. Chemical pretreatment, referred to as the K Basin sludge conditioning process, includes nitric acid dissolution of the sludge (with removal of acid insoluble solids), neutrons absorber addition, neutralization, and reprecipitation. Laboratory testing is being conducted by the Pacific Northwest National Laboratory (PNNL) to provide data necessary to develop the sludge conditioning process.
Book Synopsis K Basin Sludge Dissolution Engineering Study by :
Download or read book K Basin Sludge Dissolution Engineering Study written by and published by . This book was released on 1998 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this engineering study is to investigate the available technology related to dissolution of the K Basin sludge in nitric acid. The conclusion of this study along with laboratory and hot cell tests with actual sludge samples will provide the basis for beginning conceptual design of the sludge dissolver. The K Basin sludge contains uranium oxides, fragments of metallic U, and some U hydride as well as ferric oxyhydroxide, aluminum oxides and hydroxides, windblown sand that infiltrated the basin enclosure, ion exchange resin, and miscellaneous materials. The decision has been made to dispose of this sludge separate from the fuel elements stored in the basins. The sludge will be conditioned so that it meets Tank Waste Remediation System waste acceptance criteria and can be sent to one of the underground storage tanks. Sludge conditioning will be done by dissolving the fuel constituents in nitric acid, separating the insoluble material, adding neutron absorbers for criticality safety, and then reacting the solution with caustic to co-precipitate the uranium and plutonium. There will be five distinct feed streams to the sludge conditioning process two from the K East (KE) Basin and three from the K West (KW) Basin. The composition of the floor and pit sludges which contain more iron oxides and sand than uranium is much different than the canister sludges which are composed of mostly uranium oxides. The sludge conditioning equipment will be designed to process all of the sludge streams, but some of the operating parameters will be adjusted as necessary to handle the different sludge stream compositions. The volume of chemical additions and the amount of undissolved solids will be much different for floor and pit sludge than for canister sludge. Dissolution of uranium metal and uranium dioxide has been studied quite thoroughly and much information is available. Both uranium metal and uranium dioxide have been dissolved on a large scale in nuclear fuel reprocessing plants in Europe, Japan, and the USA. Ash and sludge containing uranium compounds also have been dissolved in reprocessing or plutonium scrap recovery plants, but only a limited amount of information is available on how the ferric oxyhydroxide, aluminum compounds and silicates in the sand will behave during nitric acid dissolution. Laboratory work with simulants and hot cell work with actual K Basin sludge is in progress to obtain data in these areas.
Book Synopsis Langue universelle sans étude... clef unique de toutes les langues pour communiquer immédiatement avec les étrangers. Edition française... by :
Download or read book Langue universelle sans étude... clef unique de toutes les langues pour communiquer immédiatement avec les étrangers. Edition française... written by and published by . This book was released on 1886 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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:
Book Synopsis Performance Specifications for the K Basin Sludge Transportation System Project A-16 by :
Download or read book Performance Specifications for the K Basin Sludge Transportation System Project A-16 written by and published by . This book was released on 2001 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this performance specification is to document the necessary requirements and criteria for procurement of the Hanford K East Basin Sludge Transportation System, for use by the Fluor Hanford Spent Nuclear Fuel (SNF) Project. The Sludge Transportation System shall be used for the onsite shipment of Hanford K Basin sludge to T Plant for subsequent storage. Fundamentally, the system shall consist of a shielded shipping cask (packaging), transportation trailer, and inner sludge containers (container). The scope of this specification includes a description of the system payload and facility handling interfaces, and the performance requirements for the packaging (Cask), Trailer, Large Containers, Process Shield Plate, and associated Devices. This specification also provides the safety criteria required for the development of a Hanford onsite Safety Analysis Report for Packaging (SAW), which shall document the technical justification for US. Department of Energy, Richland Operations Office (RL) approval of the transport of the sludge packaging on the Hanford site. However, the development of the onsite SARP is not part of the scope of this procurement.
Book Synopsis SLUDGE TREATMENT PROJECT PHASE 1 SLUDGE STORAGE OPTIONS ASSESSMENT OF T PLANT VERSUS ALTERNATE STORAGE FACILITY. by :
Download or read book SLUDGE TREATMENT PROJECT PHASE 1 SLUDGE STORAGE OPTIONS ASSESSMENT OF T PLANT VERSUS ALTERNATE STORAGE FACILITY. written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The CH2M HILL Plateau Remediation Company (CHPRC) has recommended to the U.S. Department of Energy (DOE) a two phase approach for removal and storage (Phase 1) and treatment and packaging for offsite shipment (Phase 2) of the sludge currently stored within the 105-K West Basin. This two phased strategy enables early removal of sludge from the 105-K West Basin by 2015, allowing remediation of historical unplanned releases of waste and closure of the 100-K Area. In Phase 1, the sludge currently stored in the Engineered Containers and Settler Tanks within the 105-K West Basin will be transferred into sludge transport and storage containers (STSCs). The STSCs will be transported to an interim storage facility. In Phase 2, sludge will be processed (treated) to meet shipping and disposal requirements and the sludge will be packaged for final disposal at a geologic repository. The purpose of this study is to evaluate two alternatives for interim Phase 1 storage of K Basin sludge. The cost, schedule, and risks for sludge storage at a newly-constructed Alternate Storage Facility (ASF) are compared to those at T Plant, which has been used previously for sludge storage. Based on the results of the assessment, T Plant is recommended for Phase 1 interim storage of sludge. Key elements that support this recommendation are the following: (1) T Plant has a proven process for storing sludge; (2) T Plant storage can be implemented at a lower incremental cost than the ASF; and (3) T Plant storage has a more favorable schedule profile, which provides more float, than the ASF. Underpinning the recommendation of T Plant for sludge storage is the assumption that T Plant has a durable, extended mission independent of the K Basin sludge interim storage mission. If this assumption cannot be validated and the operating costs of T Plant are borne by the Sludge Treatment Project, the conclusions and recommendations of this study would change. The following decision-making strategy, which is dependent on the confidence that DOE has in the long term mission for T Plant, is proposed: (1) If the confidence level in a durable, extended T Plant mission independent of sludge storage is high, then the Sludge Treatment Project (STP) would continue to implement the path forward previously described in the Alternatives Report (HNF-39744). Risks to the sludge project can be minimized through the establishment of an Interface Control Document (ICD) defining agreed upon responsibilities for both the STP and T Plant Operations regarding the transfer and storage of sludge and ensuring that the T Plant upgrade and operational schedule is well integrated with the sludge storage activities. (2) If the confidence level in a durable, extended T Plant mission independent of sludge storage is uncertain, then the ASF conceptual design should be pursued on a parallel path with preparation of T Plant for sludge storage until those uncertainties are resolved. (3) Finally, if the confidence level in a durable, extended T Plant mission independent of sludge storage is low, then the ASF design should be selected to provide independence from the T Plant mission risk.
Book Synopsis SLUDGE TREATMENT PROJECT ALTERNATIVES ANALYSIS SUMMARY REPORT [VOLUME 1]. by :
Download or read book SLUDGE TREATMENT PROJECT ALTERNATIVES ANALYSIS SUMMARY REPORT [VOLUME 1]. written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Highly radioactive sludge (containing up to 300,000 curies of actinides and fission products) resulting from the storage of degraded spent nuclear fuel is currently stored in temporary containers located in the 105-K West storage basin near the Columbia River. The background, history, and known characteristics of this sludge are discussed in Section 2 of this report. There are many compelling reasons to remove this sludge from the K-Basin. These reasons are discussed in detail in Section1, and they include the following: (1) Reduce the risk to the public (from a potential release of highly radioactive material as fine respirable particles by airborne or waterborn pathways); (2) Reduce the risk overall to the Hanford worker; and (3) Reduce the risk to the environment (the K-Basin is situated above a hazardous chemical contaminant plume and hinders remediation of the plume until the sludge is removed). The DOE-RL has stated that a key DOE objective is to remove the sludge from the K-West Basin and River Corridor as soon as possible, which will reduce risks to the environment, allow for remediation of contaminated areas underlying the basins, and support closure of the 100-KR-4 operable unit. The environmental and nuclear safety risks associated with this sludge have resulted in multiple legal and regulatory remedial action decisions, plans, and commitments that are summarized in Table ES-1 and discussed in more detail in Volume 2, Section 9.
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