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Author : Pavel R. Hrma
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (612 download)
Download or read book Property/composition Relationships for Hanford High-level Waste Glasses Melting at 1150 C. written by Pavel R. Hrma and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Property/composition Relationships for Hanford High-level Waste Glasses Melting at 1150°C: Ch. 12-16 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Property/composition Relationships for Hanford High-level Waste Glasses Melting at 1150[degrees]C Volume 2: Chapters 12-16 and Appendices A-K. PDF Online Free](https://books.google.com/books/content/images/frontcover/hiDzjwEACAAJ?fife=w200-h370)
Download or read book Property/composition Relationships for Hanford High-level Waste Glasses Melting at 1150[degrees]C Volume 2: Chapters 12-16 and Appendices A-K. written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A Composition Variation Study (CVS) is being performed within the Pacific Northwest Laboratory Vitrification Technology Development (PVTD) project in support of a future high-level nuclear waste vitrification plant at the Hanford site in Washington. From 1989 to 1994, over 120 nonradioactive glasses were melted and properties measured in five statistically-designed experimental phases. Glass composition is represented by the 10 components SiO[sub 2], B[sub 2]O[sub 3], ZrO[sub 2], Na[sub 2]O, Li[sub 2]O, CaO, MgO, and Others (all remaining components). The properties measured include viscosity ([eta]), electrical conductivity ([epsilon]), glass transition temperature (T[sub g]), thermal expansion of solid glass ([alpha][sub s]) and molten glass ([alpha][sub m]), crystallinity (quenched and canister centerline cooled glasses), liquidus temperature (T[sub L]), durability based on normalized elemental releases from the Materials Characterization Center-1 28-day dissolution test (MCC-1, r[sub mi]) and the 7-day Product Consistency Test (PCT, r[sub pi]), and solution pHs from MCC-1 and PCT. Amorphous phase separation was also evaluated. Empirical first- and second-order mixture models were fit using the CVS data to relate the various properties to glass composition. Equations for calculating the uncertainty associated with property values predicted by the models were also developed. The models were validated using both internal and external data. Other modeling approaches (e.g., non-bridging oxygen, free energy of hydration, phase-equilibria T[sub L]) were investigated for specific properties. A preliminary Qualified Composition Region was developed to identify glass compositions with high confidence of being processable in a melter and meeting waste form acceptance criteria.
Author :
Publisher :
ISBN 13 :
Total Pages : 421 pages
Book Rating : 4.:/5 (873 download)
Download or read book Property/composition Relationships for Hanford High-level Waste Glasses Melting at 1150°C Volume 2 written by and published by . This book was released on 1994 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Composition Variation Study (CVS) is being performed within the Pacific Northwest Laboratory Vitrification Technology Development (PVTD) project in support of a future high-level nuclear waste vitrification plant at the Hanford site in Washington. From 1989 to 1994, over 120 nonradioactive glasses were melted and properties measured in five statistically-designed experimental phases. Glass composition is represented by the 10 components SiO2, B2O3, ZrO2, Na2O, Li2O, CaO, MgO, and Others (all remaining components). The properties measured include viscosity ([eta]), electrical conductivity ([epsilon]), glass transition temperature (T{sub g}), thermal expansion of solid glass ([alpha]{sub s}) and molten glass ([alpha]{sub m}), crystallinity (quenched and canister centerline cooled glasses), liquidus temperature (T{sub L}), durability based on normalized elemental releases from the Materials Characterization Center-1 28-day dissolution test (MCC-1, r{sub mi}) and the 7-day Product Consistency Test (PCT, r{sub pi}), and solution pHs from MCC-1 and PCT. Amorphous phase separation was also evaluated. Empirical first- and second-order mixture models were fit using the CVS data to relate the various properties to glass composition. Equations for calculating the uncertainty associated with property values predicted by the models were also developed. The models were validated using both internal and external data. Other modeling approaches (e.g., non-bridging oxygen, free energy of hydration, phase-equilibria T{sub L}) were investigated for specific properties. A preliminary Qualified Composition Region was developed to identify glass compositions with high confidence of being processable in a melter and meeting waste form acceptance criteria.
![Download Property/composition Relationships for Hanford High-level Waste Glasses Melting at 115[degrees]C Volume 1: Chapters 1-11 PDF Online Free](https://books.google.com/books/content/images/frontcover/xGu1DAEACAAJ?fife=w200-h370)
Download or read book Property/composition Relationships for Hanford High-level Waste Glasses Melting at 115[degrees]C Volume 1: Chapters 1-11 written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A Composition Variation study (CVS) is being performed within the Pacific Northwest Laboratory Vitrification Technology Development (PVTD) project in support of a future high-level nuclear waste vitrification plant at the Hanford site in Washington. From 1989 to 1994, over 120 nonradioactive glasses were melted and properties measured in five statistically-designed experimental phases. Glass composition is represented by the 10 components SiO[sub 2], B[sub 2]O[sub 3], Al[sub 2]O[sub 3], Fe[sub 2]O[sub 3], ZrO[sub 2], Na[sub 2]O, Li[sub 2]O, CaO, MgO, and Others (all remaining components). The properties measured include viscosity ([eta]), electrical conductivity ([epsilon]), glass transition temperature (T[sub g]), thermal expansion of solid glass ([alpha][sub s]) and molten glass ([alpha][sub m]), crystallinity (quenched and canister centerline cooled glasses), liquidus temperature (T[sub L]), durability based on normalized elemental releases from the Materials Characterization Center-1 28-day dissolution test (MCC-1, r[sub mi]) and the 7-day Product Consistency Test (PCT, r[sub pi]), and solution pHs from MCC-1 and PCT. Amorphous phase separation was also evaluated. Empirical first- and second-order mixture models were fit using the CVS data to relate the various properties to glass composition. Equations for calculating the uncertainty associated with property values predicted by the models were also developed. The models were validated using both internal and external data. Other modeling approaches (e.g., non-bridging oxygen, free energy of hydration, phase-equilibria T[sub L]) were investigated for specific properties. A preliminary Qualified Composition Region was developed to identify glass compositions with high confidence of being processable in a melter and meeting waste form acceptance criteria.
Author :
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (873 download)
Download or read book Property/composition Relationships for Hanford High-level Waste Glasses Melting at 115°C Volume 1 written by and published by . This book was released on 1994 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Composition Variation study (CVS) is being performed within the Pacific Northwest Laboratory Vitrification Technology Development (PVTD) project in support of a future high-level nuclear waste vitrification plant at the Hanford site in Washington. From 1989 to 1994, over 120 nonradioactive glasses were melted and properties measured in five statistically-designed experimental phases. Glass composition is represented by the 10 components SiO2, B2O3, Al2O3, Fe2O3, ZrO2, Na2O, Li2O, CaO, MgO, and Others (all remaining components). The properties measured include viscosity ([eta]), electrical conductivity ([epsilon]), glass transition temperature (T{sub g}), thermal expansion of solid glass ([alpha]{sub s}) and molten glass ([alpha]{sub m}), crystallinity (quenched and canister centerline cooled glasses), liquidus temperature (T{sub L}), durability based on normalized elemental releases from the Materials Characterization Center-1 28-day dissolution test (MCC-1, r{sub mi}) and the 7-day Product Consistency Test (PCT, r{sub pi}), and solution pHs from MCC-1 and PCT. Amorphous phase separation was also evaluated. Empirical first- and second-order mixture models were fit using the CVS data to relate the various properties to glass composition. Equations for calculating the uncertainty associated with property values predicted by the models were also developed. The models were validated using both internal and external data. Other modeling approaches (e.g., non-bridging oxygen, free energy of hydration, phase-equilibria T{sub L}) were investigated for specific properties. A preliminary Qualified Composition Region was developed to identify glass compositions with high confidence of being processable in a melter and meeting waste form acceptance criteria.
Author :
Publisher :
ISBN 13 :
Total Pages : 726 pages
Book Rating : 4.X/5 (2 download)
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:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309187338
Total Pages : 308 pages
Book Rating : 4.3/5 (91 download)
Download or read book Waste Forms Technology and Performance written by National Research Council and published by National Academies Press. This book was released on 2011-09-05 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Department of Energy's Office of Environmental Management (DOE-EM) is responsible for cleaning up radioactive waste and environmental contamination resulting from five decades of nuclear weapons production and testing. A major focus of this program involves the retrieval, processing, and immobilization of waste into stable, solid waste forms for disposal. Waste Forms Technology and Performance, a report requested by DOE-EM, examines requirements for waste form technology and performance in the cleanup program. The report provides information to DOE-EM to support improvements in methods for processing waste and selecting and fabricating waste forms. Waste Forms Technology and Performance places particular emphasis on processing technologies for high-level radioactive waste, DOE's most expensive and arguably most difficult cleanup challenge. The report's key messages are presented in ten findings and one recommendation.
Author : Gary L. Smith
Publisher : John Wiley & Sons
ISBN 13 : 1118371453
Total Pages : 389 pages
Book Rating : 4.1/5 (183 download)
Download or read book Environmental Issues and Waste Management Technologies in the Ceramic and Nuclear Industries VII written by Gary L. Smith and published by John Wiley & Sons. This book was released on 2012-03-28 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composed from two symposia conducted at the 2001 Annual Meeting of The American Ceramic Society, this new volume details the advances in the state of knowledge in nuclear and waste materials science and technology. Highlighted are areas of rapid change such as in the application, development, and testing of ceramics and glasses in the nuclear and waste industries. As companies begin to focus on ¿green ceramics¿ and the manufacturing of environmentally friendly products, the development of innovative processing approaches and novel environmental treatment technologies soon follows. These are being developed to address more stringent regulations and to obtain an improved scientific understanding of the industrial processes and treatment technologies. This seventh volume in the series addresses current nuclear and environmental problems and provides solutions for them. It is an excellent resource for researchers and scientists involved in the ceramic and nuclear industries. roceedings of the symposium held at the 103rd Annual Meeting of The American Ceramic Society, April 22-25, 2001, in Indiana; Ceramic Transactions, Volume 132.
Author : S. K. Sundaram
Publisher : John Wiley & Sons
ISBN 13 : 1118406001
Total Pages : 398 pages
Book Rating : 4.1/5 (184 download)
Download or read book Environmental Issues and Waste Management Technologies in the Ceramic and Nuclear Industries VIII written by S. K. Sundaram and published by John Wiley & Sons. This book was released on 2012-04-11 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers in this volume illustrate the delicate balance that exists among the environment, the processes/technologies that have been used in glass and ceramic industries, as well as the wastes - both nuclear and non-nuclear (hazardous) - that have been generated. This book helps to foster continued scientific understanding, technological growth, and environmental stewardship within the fields of ceramics, glass, and environmental/nuclear engineering. Proceedings of the symposium held at the 104th Annual Meeting of The American Ceramic Society, April 28-May1, 2002 in Missouri; Ceramic Transactions, Volume 143.
Author :
Publisher :
ISBN 13 :
Total Pages : 972 pages
Book Rating : 4.3/5 (91 download)
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:
Author : Thomas P. Seward
Publisher : Wiley-American Ceramic Society
ISBN 13 :
Total Pages : 318 pages
Book Rating : 4.3/5 (91 download)
Download or read book High Temperature Glass Melt Property Database for Process Modeling written by Thomas P. Seward and published by Wiley-American Ceramic Society. This book was released on 2005-09 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the result of a study to develop a high-temperature melt properties database with sufficient comprehensiveness and reliability to allow mathematical modeling of glass melting and forming processes for improved product quality, improved efficiency and lessened environmental impact. The study was initiated by the U.S. glass industry through the National Science Foundation Industry/University Center for Glass Research at Alfred University (CGR) and funded in part by a grant from the U.S. Department of Energy's Industrial Technologies Program.
![Download Effect of Composition and Temperature on the Properties of High-Level Waste (HLW) Glasses Melting Above 1200[degrees]C (Draft). PDF Online Free](https://books.google.com/books/content/images/frontcover/vSjDjwEACAAJ?fife=w200-h370)
Download or read book Effect of Composition and Temperature on the Properties of High-Level Waste (HLW) Glasses Melting Above 1200[degrees]C (Draft). written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing the melting temperature of HLW glass allows an increase of waste loading (thus reducing product volume) and the production of more durable glasses at a faster melting rate. However, HLW glasses that melt at high temperatures differ in composition from glasses formulated for low temperature ([approximately]1150[degree]C). Consequently, the composition of high-temperature glasses falls in a region previously not well tested or understood. This report represents a preliminary study of property/composition relationships of high-temperature Hanford HLW glasses using a one-component-at-a-time change approach. A test matrix has been designed to explore a composition region expected for high-temperature high-waste loading HLW glasses to be produced at Hanford. This matrix was designed by varying several key components (SiO[sub 2], B[sub 2]O[sub 3], Na[sub 2]O, Li[sub 2]O, Fe[sub 2]O[sub 3], Al[sub 2]O[sub 3], ZrO[sub 2], Bi[sub 2]O[sub 3], P[sub 2]O[sub 5], UO[sub 2], TiO[sub 2], Cr[sub 2]O[sub 3], and others) starting from a glass based on a Hanford HLW all-blend waste. Glasses were fabricated and tested for viscosity, glass transition temperature, electrical conductivity, crystallinity, liquidus temperature, and PCT release. The effect of individual components on glass properties was assessed using first- and second- order empirical models. The first-order component effects were compared with those from low-temperature HLW glasses.
Author : Gregory F. Piepel
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (853 download)
Download or read book First-order Study of Property/composition Relationships for Hanford Waste Vitrification Plant Glasses written by Gregory F. Piepel and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A first-order composition variability study (CVS-I) was conducted for the Hanford Waste Vitrification Plant (HWVP) program to preliminarily characterize the effects on key glass properties of variations i selected glass (waste and frit) components. The components selected were Si02,B2O3,A12O3, Fe2O3, ZrO2, Na2O,Li2O,CaO,MgO, and Others (all remaining waste components). A glass composition region was selected for study based on the expected range of glass compositions and the results of a previous series of scoping and solubility studies. Then, a 23-glass statistically-designed mixture experiment was conducted and data obtained for viscosity, electrical conductivity, glass transition temperature, thermal expansion, crystallinity, and durability [Materials Characterization Center (MCC-1) 28-day leach test and the 7-day Product Consistency Test (PCT)]. These data were modeled using first-order functions of composition, and the models were used to investigate the effects of the components on glass and melt properties. The CVS-I data and models will also be used to support the second-order composition variability study (CVS-II).
Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (727 download)
Download or read book Crystallization in Simulated Glasses from Hanford High-level Nuclear Waste Composition Range written by and published by . This book was released on 1993 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Glass crystallization was investigated as part of a property-composition relationship study of Hanford waste glasses. Non-radioactive glass samples were heated in a gradient furnace over a wide range of temperatures. The liquidus temperature was measured, and primary crystalline phases were determined using optical microscopy and Scanning Electron Microscopy with Energy Dispersive Spectrometry (SEM/EDS). Samples have also been heat treated according to a simulated canister centerline cooling curve. The crystalline phases in these samples have been identified by optical microscopy, SEM/EDS, and X-ray diffraction (XRD). Major components of the borosilicate glasses that were melted at approximately 1150°C were SiO2, B2O3, Na2O, Li2O, CaO, MgO, Fe2O3, Al2O3, ZrO2, and ''Others'' (sum of minor components). The major crystalline phases identified in this study were zircon, nepheline, calcium silicate, lithium silicate, and a range of solid solutions from clinopyroxenes, orthopyroxenes, olivines, and spiners.
Author : Walter J. Gray
Publisher :
ISBN 13 :
Total Pages : 1398 pages
Book Rating : 4.:/5 (318 download)
Download or read book Scientific Basis for Nuclear Waste Management XX: Volume 465 written by Walter J. Gray and published by . This book was released on 1997-07 with total page 1398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features scientific research that supports the safe and effective disposal of radioactive waste in a geological repository. One highlight of the volume is the opening talk by Rustum Roy, who was instrumental in establishing the first symposium on this topic in 1978. Professor Roy summarizes his views of the past 19 years of progress in the field. A second highlight is the participation by several Russian and Ukrainian scientists who authored papers on nuclear waste disposal aspects of the Chernobyl Unit 4 reactor that exploded in April 1986. Additional topics include: glass formulations and properties; glass/water interactions; cements in radioactive waste management; ceramic and crystalline waste forms; spent nuclear fuel; waste processing and treatment; radiation effects in ceramics, glasses and nuclear waste materials; waste package materials; radionuclide solubility and speciation; radionuclide sorption; radionuclide transport; repository backfill; performance assessment; natural analogues and excess plutonium dispositioning.
Author : William E Lee
Publisher : Elsevier
ISBN 13 : 085709744X
Total Pages : 925 pages
Book Rating : 4.8/5 (57 download)
Download or read book Radioactive Waste Management and Contaminated Site Clean-Up written by William E Lee and published by Elsevier. This book was released on 2013-10-31 with total page 925 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radioactive waste management and contaminated site clean-up reviews radioactive waste management processes, technologies, and international experiences. Part one explores the fundamentals of radioactive waste including sources, characterisation, and processing strategies. International safety standards, risk assessment of radioactive wastes and remediation of contaminated sites and irradiated nuclear fuel management are also reviewed. Part two highlights the current international situation across Africa, Asia, Europe, and North America. The experience in Japan, with a specific chapter on Fukushima, is also covered. Finally, part three explores the clean-up of sites contaminated by weapons programmes including the USA and former USSR.Radioactive waste management and contaminated site clean-up is a comprehensive resource for professionals, researchers, scientists and academics in radioactive waste management, governmental and other regulatory bodies and the nuclear power industry. - Explores the fundamentals of radioactive waste including sources, characterisation, and processing strategies - Reviews international safety standards, risk assessment of radioactive wastes and remediation of contaminated sites and irradiated nuclear fuel management - Highlights the current international situation across Africa, Asia, Europe, and North America specifically including a chapter on the experience in Fukushima, Japan
