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Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (88 download)
Download or read book The Corrosion of Aluminum-clad Spent Nuclear Fuel in Wet Basin Storage written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Corrosion Surveillance for Research Reactor Spent Nuclear Fuel in Wet Basin Storage written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Foreign and domestic test and research reactor fuel is currently being shipped from locations over the world for storage in water filled basins at the Savannah River Site (SRS). The fuel was provided to many of the foreign countries as a part of the "Atoms for Peace" program in the early 1950's. In support of the wet storage of this fuel at the research reactor sites and at SRS, corrosion surveillance programs have been initiated. The International Atomic Energy Agency (IAEA) established a Coordinated Research Program (CRP) in 1996 on "Corrosion of Research Reactor Aluminum-Clad Spent Fuel in Water" and scientists from ten countries worldwide were invited to participate. This paper presents a detailed discussion of the IAEA sponsored CRP and provides the updated results from corrosion surveillance activities at SRS. In May 1998, a number of news articles around the world reported stories that microbiologically influenced corrosion (MIC) was active on the aluminum-clad spent fuel stored in the RBOF basin at SRS. This assessment was found to be in error with details presented in this paper. A biofilm was found on aluminum coupons, but resulted in no corrosion. Cracks seen on the surface were not caused by corrosion, but by stresses from the volume expansion of the oxide formed during pre-conditioning autoclaving. There has been no pitting caused by MIC or any other corrosion mechanism seen in the RBOF basin since initiation of the SRS Corrosion Surveillance Program in 1993.
Author : International Atomic Energy Agency
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.3/5 (91 download)
Download or read book Corrosion of Research Reactor Aluminium Clad Spent Fuel in Water written by International Atomic Energy Agency and published by . This book was released on 2003 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes research performed in ten laboratories within the framework of the IAEA Co-ordinated Research Project on Corrosion of Research Reactor Aluminium Clad Spent Fuel in Water. The project consisted of exposure of standard racks of corrosion coupons in the spent fuel pools of the participating research reactor laboratories and evaluation of the coupons after predetermined exposure times, along with periodic monitoring of the storage water. A group of experts in the field contributed a state of the art review and provided technical supervision of the project. Localized corrosion mechanisms are notoriously difficult to understand, and it was clear from the outset that obtaining consistency in the results and their interpretation from laboratory to laboratory would depend on the development of an excellent set of experimental protocols. These experimental protocols are described in the report, together with guidelines for the maintenance of optimum water chemistry to minimize the corrosion of aluminium clad research reactor fuel in wet storage.
Author :
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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (683 download)
Download or read book Criteria for Corrosion Protection of Aluminum-Clad Spent Nuclear Fuel in Interim Wet Storage written by and published by . This book was released on 1999 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Storage of aluminum-clad spent nuclear fuel at the Savannah River Site (SRS) and other locations in the U.S. and around the world has been a concern over the past decade because of the long time interim storage requirements in water. Pitting corrosion of production aluminum-clad fuel in the early 1990''s at SRS was attributed to less than optimum quality water and corrective action taken has resulted in no new pitting since 1994. The knowledge gained from the corrosion surveillance testing and other investigations at SRS over the past 8 years has provided an insight into factors affecting the corrosion of aluminum in relatively high purity water. This paper reviews some of the early corrosion issues related to aluminum-clad spent fuel at SRS, including fundamentals for corrosion of aluminum alloys. It updates and summarizes the corrosion surveillance activities supporting the future storage of over 15,000 research reactor fuel assemblies from countries over the world during the next 15-20 years. Criteria are presented for providing corrosion protection for aluminum-clad spent fuel in interim storage during the next few decades while plans are developed for a more permanent disposition.
Author : J.D.B. Lambert
Publisher : Springer Science & Business Media
ISBN 13 : 1402059035
Total Pages : 357 pages
Book Rating : 4.4/5 (2 download)
Download or read book Safety Related Issues of Spent Nuclear Fuel Storage written by J.D.B. Lambert and published by Springer Science & Business Media. This book was released on 2007-04-24 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains papers from a NATO-sponsored workshop in Almaty in September 2005, which discussed safety-related issues of storing spent nuclear fuel. Fifteen papers cover aluminum-clad fuel discharged from research reactors worldwide, while five papers examine stainless steel-clad fuel from fast reactors, and two Zircaloy-clad fuel from commercial light-water reactors.
Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (683 download)
Download or read book Transitioning Aluminum Clad Spent Fuels from Wet to Interim Dry Storage written by and published by . This book was released on 1994 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The United States Department of Energy (DOE) currently owns several hundred metric tons of aluminum clad, spent nuclear fuel and target assemblies. The vast majority of these irradiated assemblies are currently stored in water basins that were designed and operated for short term fuel cooling prior to fuel reprocessing. Recent DOE decisions to severely limit the reprocessing option have significantly lengthened the time of storage, thus increasing the tendency for corrosion induced degradation of the fuel cladding and the underlying core material. The portent of continued corrosion, coupled with the age of existing wet storage facilities and the cost of continuing basin operations, including necessary upgrades to meet current facility standards, may force the DOE to transition these wet stored, aluminum clad spent fuels to interim dry storage. The facilities for interim dry storage have not been developed, partially because fuel storage requirements and specifications for acceptable fuel forms are lacking. In spite of the lack of both facilities and specifications, current plans are to dry store fuels for approximately 40 to 60 years or until firm decisions are developed for final fuel disposition. The transition of the aluminum clad fuels from wet to interim dry storage will require a sequence of drying and canning operations which will include selected fuel preparations such as vacuum drying and conditioning of the storage atmosphere. Laboratory experiments and review of the available literature have demonstrated that successful interim dry storage may also require the use of fuel and canister cleaning or rinsing techniques that preclude, or at least minimize, the potential for the accumulation of chloride and other potentially deleterious ions in the dry storage environment. This paper summarizes an evaluation of the impact of fuel transitioning techniques on the potential for corrosion induced degradation of fuel forms during interim dry storage.
Download or read book SPENT NUCLEAR FUEL STORAGE BASIN WATER CHEMISTRY written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The factors affecting the optimal water chemistry of the Savannah River Site spent fuel storage basin must be determines in order to optimize facility efficiency, minimize fuel corrosion, and reduce overall environmental impact from long term spent nuclear fuel storage at the Savannah River Site. The Savannah River National Laboratory is using statistically designed experiments to study the effects of NO3−, SO42−, and Cl− concentrations on alloys commonly used not only as fuel cladding, but also as rack construction materials The results of cyclic polarization pitting and corrosion experiments on samples of Al 6061 and 1100 alloys will be used to construct a predictive model of the basin corrosion and its dependence on the species in the basin. The basin chemistry model and corrosion will be discussed in terms of optimized water chemistry envelope and minimization of cladding corrosion.
Author : North Atlantic Treaty Organization. Public Diplomacy Division
Publisher : Springer Science & Business Media
ISBN 13 : 1402059019
Total Pages : 357 pages
Book Rating : 4.4/5 (2 download)
Download or read book Safety Related Issues of Spent Nuclear Fuel Storage written by North Atlantic Treaty Organization. Public Diplomacy Division and published by Springer Science & Business Media. This book was released on 2007-05-09 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains papers from a NATO-sponsored workshop in Almaty in September 2005, which discussed safety-related issues of storing spent nuclear fuel. Fifteen papers cover aluminum-clad fuel discharged from research reactors worldwide, while five papers examine stainless steel-clad fuel from fast reactors, and two Zircaloy-clad fuel from commercial light-water reactors.
Author :
Publisher :
ISBN 13 :
Total Pages : 592 pages
Book Rating : 4.3/5 (555 download)
Download or read book Spent Nuclear Fuel Management written by and published by . This book was released on 2000 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (685 download)
Download or read book Corrosion Surveillance of Aluminum Alloys In a Spent Fuel Storage Basinfinal written by and published by . This book was released on 2005 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spent nuclear fuels from foreign and domestic research and test reactors are being returned to the Savannah River Site for storage with other nuclear materials in the L-Basin. Recent efforts have consolidated the fuel storage systems and L-Basin has become the SRS site for wet storage of spent nuclear fuels. Corrosion surveillance of coupons in this basin is being performed to provide assurance of safe storage of spent fuel. This paper describes the highlights of recent studies on these aluminum coupons after immersion for more than 7 years in L-Basin. Selected coupons were metallurgically characterized to establish the existence of general corrosion and pitting. Minor pitting corrosion was observed on the intentionally galvanically coupled samples and creviced coupons, thus demonstrating that localized concentration cells were formed during the exposure period. In these cases, the susceptibility to pitting was not attributed to aggressive basin water chemistry but to localized conditions--crevices and galvanic coupling--that allowed the development of oxygen and/or metal ion concentration cells that produced locally aggressive waters. General corrosion was also observed on some of the coupons. None of the coupons were pre-oxidized to form a protective oxide as compared to the spent fuel which was oxidized during reactor operations. This enables the coupons to react to basin water chemistry in a relatively short period of time whereas spent fuel is protected against such reactions. The coupon observations demonstrate that, even when the basin water chemistry is rigorously controlled, localized aggressive conditions can develop, emphasizing the importance of a routine surveillance program.
Author :
Publisher :
ISBN 13 :
Total Pages : 522 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings of the Embedded Topical Meeting on DOE Spent Nuclear Fuel & Fissile Material Management, Reno, Nevada, June 16-20, 1996 written by and published by . This book was released on 1996 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : DIANE Publishing Company
Publisher : DIANE Publishing
ISBN 13 : 9780788119521
Total Pages : 248 pages
Book Rating : 4.1/5 (195 download)
Download or read book Plan of Action to Resolve Spent Nuclear Fuel Vulnerabilities written by DIANE Publishing Company and published by DIANE Publishing. This book was released on 1995-07 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Represents the third and final phase of a three-phased approach to develop specific plans to remedy vulnerabilities associated with the storage of spent fuel and irradiated materials. Charts and tables.
Author : J.H. Wolfram
Publisher : Springer Science & Business Media
ISBN 13 : 9780792344889
Total Pages : 312 pages
Book Rating : 4.3/5 (448 download)
Download or read book Microbial Degradation Processes in Radioactive Waste Repository and in Nuclear Fuel Storage Areas written by J.H. Wolfram and published by Springer Science & Business Media. This book was released on 1997-03-31 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Purpose ofthe Workshop In the spirit of enhancing developments in science and technology by facilitating international scientific cooperation, the Science Committee of NATO is sponsoring AR W's in several selected priority areas. The objective of this workshop was to discuss what microbial mediated problems have been experienced in the area of nuclear waste management and spent fuel storage. Long term storage of high-level wastes in repositories is just starting in some countries. However, low and medium level wastes have been stored for several decades. In the area of spent fuel interim, storage has been extended at many locations far beyond the intended time. It was a priority of the workshop to examine and discuss what deleterious effects have been observed under these storage conditions or under conditions used in simulated trial tests for predicting material performance under the storage conditions. For example, one chronic problem that was discussed was possibility that microbial influenced corrosion (MIC) could be taking place in the wet storage of spent fuel thereby initiating or accelerating the process of corrosion. Another discussion in the area of waste forms, focused on the presence ofbiofilms which may be breaking down the structure of the waste form and thereby jeopardizing its integrity. The meeting focused on discussing the observations and data collected relating to problems encountered in the storage of these types of wastes, and sharing this information with others that have not monitored their facilities for similar problems.
Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (684 download)
Download or read book Impact of Degraded RA-3 Fuel Condition on Transportation to and Storage in SRS Basins written by and published by . This book was released on 2000 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aluminum-clad, aluminum-based spent nuclear fuel from the RA-3 Research and Test Reactor at the CNEA Ezeiza Atomic Center near Buenos Aires, Argentina, presently in wet storage at the Central Storage Facility, contains extensive corrosion and mechanical damage. Plans are being developed to return the fuel to the Savannah River Site in Fall 2000. The condition of the fuel and its impact on shipping, handling, and Basin storage when the fuel is returned to SRS, is discussed in this report.
Author :
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.3/5 (555 download)
Download or read book Programmatic National Spent Nuclear Fuel Management Program and Idaho National Engineering Laboratory Environmental Restoration and Waste Management Program (ID,CA,WA,NV) written by and published by . This book was released on 1995 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.3/5 (555 download)
Download or read book Nuclear Weapons Nonproliferation Policy Concerning Foreign Research Reactor Spent Fuel written by and published by . This book was released on 1996 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309060494
Total Pages : 240 pages
Book Rating : 4.3/5 (9 download)
Download or read book Research Reactor Aluminum Spent Fuel written by National Research Council and published by National Academies Press. This book was released on 1998-06-06 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Department of Energy (DOE) is preparing an environmental impact statement (EIS) for management of aluminum spent fuel from foreign and domestic research reactors, much of which is highly enriched in uranium-235. This EIS will assess the need for additional treatment and storage facilities at the Savannah River Site to accommodate the receipt of this fuel, and it also will assess and select a treatment technology to prepare this fuel for interim storage and eventual shipment to a repository for disposal. This National Research Council book, which was prepared at the request of DOE's Savannah River Office, provides a technical assessment of the technologies, costs, and schedules developed by DOE for eight alternative treatment options and the baseline reprocessing option. It also provides comments on DOE's aluminum spent fuel disposal program, a program that is slated to last for about 40 years and cost in excess of $2 billion.
