Diffusion And Sorption Properties Of Radionuclides In Compacted Bentonite
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Diffusion And Sorption Properties Of Radionuclides In Compacted Bentonite
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Author : Ji-Wei Yu
language : en
Publisher:
Release Date : 1997
Diffusion And Sorption Properties Of Radionuclides In Compacted Bentonite written by Ji-Wei Yu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Bentonite categories.
Review Of A Report On Diffusion And Sorption Properties Of Radionuclides In Compacted Bentonite
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Author :
language : en
Publisher:
Release Date : 1997
Review Of A Report On Diffusion And Sorption Properties Of Radionuclides In Compacted Bentonite written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
On The Sorption And Diffusion Of Radionuclides In Bentonite Clay
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Author :
language : en
Publisher:
Release Date : 2002
On The Sorption And Diffusion Of Radionuclides In Bentonite Clay written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
A Comparison Of Apparent Diffusion Coefficients Measures In Compacted Kunigel V1 Bentonite With Those Calculated From Batch Sorption Measurements And De Hto Data
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Author : M. H. Bradbury
language : en
Publisher:
Release Date : 2002
A Comparison Of Apparent Diffusion Coefficients Measures In Compacted Kunigel V1 Bentonite With Those Calculated From Batch Sorption Measurements And De Hto Data written by M. H. Bradbury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Bentonite categories.
A Comparison Of Apparent Diffusion Coefficients Measured In Compacted Kunigel V1 Bentonite With Those Calculated From Batch Sorption Measurements And De Hto Data
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Author : Michael Bradbury
language : en
Publisher:
Release Date : 2003
A Comparison Of Apparent Diffusion Coefficients Measured In Compacted Kunigel V1 Bentonite With Those Calculated From Batch Sorption Measurements And De Hto Data written by Michael Bradbury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Radionuclide And Metal Sorption On Cement And Concrete
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Author : Michael Ochs
language : en
Publisher: Springer
Release Date : 2015-10-17
Radionuclide And Metal Sorption On Cement And Concrete written by Michael Ochs and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-17 with Technology & Engineering categories.
Cementitious materials are being widely used as solidification/stabilisation and barrier materials for a variety of chemical and radioactive wastes, primarily due to their favourable retention properties for metals, radionuclides and other contaminants. The retention properties result from various mineral phases in hydrated cement that possess a high density and diversity of reactive sites for the fixation of contaminants through a variety of sorption and incorporation reactions. This book presents a state of the art review and critical evaluation of the type and magnitude of the various sorption and incorporation processes in hydrated cement systems for twenty-five elements relevant for a broad range of radioactive and industrial wastes. Effects of cement evolution or ageing on sorption/incorporation processes are explicitly evaluated and quantified. While the immobilisation of contaminants by mixing-in during hydration is not explicitly addressed, the underlying chemical processes are similar. A quantitative database on the solid/liquid distribution behaviour of radionuclides and other elements in hydrated cement systems is established on the basis of a consistent review and re-evaluation of literature data. In addition to recommended values, all underlying original experimental data and key experimental info rmation are provided, which allows users to trace the given recommendations or to develop their own set of key values. This database is closely tied to the safety analysis of near surface disposal of radioactive waste in Belgium. It focuses on radioelements, toxic stable elements and heavy metals, which makes it relevant for investigations involving the interaction of radioactive and conventional contaminants with cement-based barriers.
Journal Of Nuclear Science And Technology
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Author :
language : en
Publisher:
Release Date : 2008
Journal Of Nuclear Science And Technology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Nuclear energy categories.
Includes English language abstracts from Japanese articles in Nihon Genshiryoku Gakkai Shi (Journal of the Atomic Energy Society of Japan)
Engineering Geology For Society And Territory Volume 6
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Author : Giorgio Lollino
language : en
Publisher: Springer
Release Date : 2014-08-30
Engineering Geology For Society And Territory Volume 6 written by Giorgio Lollino and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-30 with Science categories.
This book is one out of 8 IAEG XII Congress volumes, and deals with the theme of applied geology, which is a critical theme for the global economy. In the international, multidisciplinary approach to major engineering projects (either to macro- or mega-scale), the application of geological investigation techniques is fundamental for properly selecting the location sites, planning the construction and maintaining the infrastructures. The contributions in this book include not only engineering constructions but also case studies related to large projects on geo-resources exploration and extraction (minerals, petroleum and groundwater), energy production (hydropower, geothermal, nuclear and others), transportation (railway and highway) and waste disposal as well as the environmental management of these and other activities. The Engineering Geology for Society and Territory volumes of the IAEG XII Congress held in Torino from September 15-19, 2014, analyze the dynamic role of engineering geology in our changing world and build on the four main themes of the congress: Environment, processes, issues, and approaches. The congress topics and subject areas of the 8 IAEG XII Congress volumes are: 1. Climate Change and Engineering Geology 2. Landslide Processes 3. River Basins, Reservoir Sedimentation and Water Resources 4. Marine and Coastal Processes 5. Urban Geology, Sustainable Planning and Landscape Exploitation 6. Applied Geology for Major Engineering Projects 7. Education, Professional Ethics and Public Recognition of Engineering Geology 8. Preservation of Cultural Heritage.
Radionuclide Sorption In Fine Grained Barrier Soils For Low Level Radioactive Waste Llw Disposal
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Author :
language : en
Publisher:
Release Date : 2014
Radionuclide Sorption In Fine Grained Barrier Soils For Low Level Radioactive Waste Llw Disposal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Interactions of soil, radionuclides, and water influence the design and implementation of low-level radioactive waste (LLW) disposal facilities. Uniform assessment of containment strategies for LLW is controlled by the need for further understanding of the transport processes affecting the waste itself, particularly the potential for sorption and diffusion of radionuclides through installed containment barriers. Soils high in clay content offer a variety of benefits for lining disposal sites, specifically their natural abundance and availability and typically low hydraulic conductivity. Additionally, clays have been recognized within the literature for their ability to attenuate pollutants, including heavy metals, actinides, and other trace elements. With the reliance on barrier soils to ideally prevent, but more realistically limit, contamination of the environment surrounding LLW disposal facilities, understanding sorption as a solute transport mechanism through these materials is fundamental for improving disposal systems. Of potential further impact are the geochemical aspects that can alter sorption properties of barrier soils, including pH, ionic strength, calcium content, and carbonate content. Batch experimentation aims to address sorption interactions through the individual study of a single radionuclide and a synthetic radioactive leachate mixture onto a suite of barrier soils and geosynthetic clay liner-derived bentonites with varying mineralogical properties. Four primary batch sorption experiments were run: (1) control experimentation, (2) kinetics, (3) sorption edges/envelopes, and (4) sorption isotherms. The acquired results help to parameterize the relationship between radionuclide sorption, solution characteristics, including pH and ionic strength, and the mineralogical characteristics of the selected soils. The proportionality of radionuclide sorption to the exchange capacity of soils, as a function of the type and magnitude of the minerals within the soil column, is investigated. Inclusion of carbonate species shows a decrease in sorption capacity, while the presence of amorphous iron increases sorption. Cross-comparisons between sorption behavior of purified clays and iron minerals within the literature to the study soils show a reliance on multiple portions of the mineralogic soil content to account for demonstrated radionuclide sorption capacity.
Thermodynamic Sorption Modelling In Support Of Radioactive Waste Disposal Safety Cases
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Author : OECD Nuclear Energy Agency
language : en
Publisher: OCDE
Release Date : 2012
Thermodynamic Sorption Modelling In Support Of Radioactive Waste Disposal Safety Cases written by OECD Nuclear Energy Agency and has been published by OCDE this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Nuclear energy categories.
A central safety function of radioactive waste disposal repositories is the prevention or sufficient retardation of radionuclide migration to the biosphere. Performance assessment exercises in various countries, and for a range of disposal scenarios, have demonstrated that one of the most important processes providing this safety function is the sorption of radionuclides along potential migration paths beyond the engineered barriers.Thermodynamic sorption models (TSMs) are key for improving confidence in assumptions made about such radionuclide sorption when preparing a repository's safety case. This report presents guidelines for TSM development as well as their application in repository performance assessments. They will be of particular interest to the sorption modelling community and radionuclide migration modellers in developing safety cases for radioactive waste disposal.