Actinide Separations
Author | : James D. Navratil |
Publisher | : |
Total Pages | : 632 |
Release | : 1980 |
Genre | : Science |
ISBN | : |
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Author | : James D. Navratil |
Publisher | : |
Total Pages | : 632 |
Release | : 1980 |
Genre | : Science |
ISBN | : |
Author | : Zenko Yoshida |
Publisher | : World Scientific |
Total Pages | : 262 |
Release | : 1997 |
Genre | : Actinide elements |
ISBN | : 9814530964 |
"This book brings together some of the latest developments in solution chemistry and separation chemistry of f-block elements, which include (i) new solvent extraction systems and extractants for the separation of actinide and lanthanide elements, (ii) novel approach for fundamental solution chemistry study of solvent extraction reactions, and (iii) separation methods of new principle for f-block elements."--Publisher's website.
Author | : |
Publisher | : |
Total Pages | : 132 |
Release | : 2009 |
Genre | : |
ISBN | : |
Welcome to the 33rd Actinide Separations Conference hosted this year by the Lawrence Livermore National Laboratory. This annual conference is centered on the idea of networking and communication with scientists from throughout the United States, Britain, France and Japan who have expertise in nuclear material processing. This conference forum provides an excellent opportunity for bringing together experts in the fields of chemistry, nuclear and chemical engineering, and actinide processing to present and discuss experiences, research results, testing and application of actinide separation processes. The exchange of information that will take place between you, and other subject matter experts from around the nation and across the international boundaries, is a critical tool to assist in solving both national and international problems associated with the processing of nuclear materials used for both defense and energy purposes, as well as for the safe disposition of excess nuclear material. Granlibakken is a dedicated conference facility and training campus that is set up to provide the venue that supports communication between scientists and engineers attending the 33rd Actinide Separations Conference. We believe that you will find that Granlibakken and the Lake Tahoe views provide an atmosphere that is stimulating for fruitful discussions between participants from both government and private industry. We thank the Lawrence Livermore National Laboratory and the United States Department of Energy for their support of this conference. We especially thank you, the participants and subject matter experts, for your involvement in the 33rd Actinide Separations Conference.
Author | : Alfred J. Moses |
Publisher | : Elsevier |
Total Pages | : 155 |
Release | : 2013-10-22 |
Genre | : Science |
ISBN | : 1483149315 |
Analytical Chemistry of the Actinide Elements presents a number of pertinent techniques for the analysis of actinides and provides sufficient information to guide the analyst in modifying procedures to meet special situations. The book begins with an introductory chapter on the discovery of elements 89-103, their oxidation state, and their electronic configuration. Information is provided on the safe handling of radioactive materials (all actinides are radioactive). The use of nuclear techniques in determining trace concentrations of actinides has led to the inclusion of chapters dealing with nuclear instrumentation and nuclear methods. Topics discussed include the preliminary treatment of samples; separations; emission spectroscopy and mass spectrometry; electrochemical, x-ray, and fluorimetric methods; isotopic analysis of uranium and some other actinides; and non-instrumental methods. Thus, the analytical chemist, if he is not already familiar with these techniques, is indoctrinated in a basic amount of nucleonics, to aid him in analyzing unusual materials with unusual techniques.
Author | : Michał Sypuła |
Publisher | : Forschungszentrum Jülich |
Total Pages | : 229 |
Release | : 2014-03-27 |
Genre | : |
ISBN | : 3893369279 |
Recycling of nuclear spent fuel and reduction of its radiotoxicity by separation of long-lived radionuclides would definitely help to close the nuclear fuel cycle ensuring sustainability of the nuclear energy. Partitioning of the main radiotoxicity contributors followed by their conversion into short-lived radioisotopes is known as partitioning and transmutation strategy. To ensure efficient transmutation of the separated elements (minor actinides) the content of lanthanides in the irradiation targets has to be minimised. This objective can be attained by solvent extraction using highly selective ligands that are able to separate these two groups of elements from each other. The objective of this study was to develop a novel process allowing co-separation of minor actinides and lanthanides from a high active acidic feed solution with subsequent actinide recovery using just one cycle, so-called innovative SANEX process. The conditions of each step of the process were optimised to ensure high actinide separation efficiency. Additionally, screening tests of several novel lipophilic and hydrophilic ligands provided by University of Twente were performed. These tests were aiming in better understanding the influence of the extractant structural modifications onto An(III)/Ln(III) selectivity and complexation properties. ...
Author | : Lawrence Livermore National Laboratory |
Publisher | : |
Total Pages | : |
Release | : 1996 |
Genre | : |
ISBN | : |
Author | : Iain May |
Publisher | : Royal Society of Chemistry |
Total Pages | : 831 |
Release | : 2007-10-31 |
Genre | : Science |
ISBN | : 1847555365 |
Actinide elements and their chemistry have a significant number of applications. Bringing together contributions from the leading experts in the field, Recent Advances in Actinide Science covers six main topics: * Analysis, the environment and biotransformations * Coordination and organometallic chemistry * Heavy elements * Nuclear fuels, materials and waste forms * Separations and solution chemistry * Spectroscopy, magnetism and superconductivity Covering a wide range of research from pure academic studies to applied industrial science and technology, this book distils the knowledge and achievements gained in actinide science over the last four years. This high level book is aimed at researchers, both industrial and academic, and provides a comprehensive overview of the current status of actinide science.
Author | : Michael J. Scott |
Publisher | : |
Total Pages | : 102 |
Release | : 2005 |
Genre | : Americium |
ISBN | : |
Author | : International Atomic Energy Agency |
Publisher | : |
Total Pages | : 138 |
Release | : 1964 |
Genre | : Actinide elements |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 40 |
Release | : 1995 |
Genre | : |
ISBN | : |
With the end of the cold war, the principal mission in actinide separations has changed from production of plutonium to cleanup of the immense volume of moderately radioactive mixed wastes which resulted from fifty years of processing activities. In order to approach the cleanup task from a proper perspective, it is necessary to understand the nature of the problem and how the wastes were generated. In this report, the history of actinide separations, both the basic science and production aspects, is examined. Many of the separations techniques in use today were developed in the 40's and 50's for the identification and production of actinide elements. To respond to the modern world of actinide separations new techniques are being developed for separations ranging from analytical methods to detect ultra-trace concentrations (for bioassay and environmental monitoring) to large scale waste treatment procedures. Some of these new methods are ''improvements'' or adaptations of the historical techniques. Total actinide recovery, lanthanide/actinide separations, and selective partitioning of actinides from inert constituents are of primary concern. This report, offers a historical perspective, review the current status of f element separation processes, and suggest areas for continued research in both actinide separations and waste cleanup/environment remediation.