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Author : Stuart T. Arm
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (54 download)
Download or read book Chemical Degradation of SuperLig 639 Ion Exchange Resin written by Stuart T. Arm and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stuart T. Arm
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (534 download)
Download or read book Chemical Degradation of SuperLig 644 Ion Exchange Resin written by Stuart T. Arm and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (684 download)
Download or read book Evaluation of SuperLig 639 Ion Exchange Resin for the Removal of Rhenium from Hanford Envelope A Simulant written by and published by . This book was released on 2000 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hanford Radioactive Waste materials have been categorized into four envelopes labeled A through D as specified in the Tank Waste Remediation Contract between BNFL and DOE. 1 Envelopes A, B and C contain only solubilized species and are specified as Low-Activity Waste (LAW). Each envelope is defined based on compositional maximums of chemical and radioactive constituents. Envelopes A and B contain low concentrations of organic species and the primary form of technetium is pertechnetate (TcO4- ). Envelope C contains higher levels of organic species and technetium which is primarily in the nonpertechnetate form (presumably complexed TcO2). Envelope D is sludge which has been separated from the supernate and is referred to as High Activity Waste. The current plant design utilizes SuperLig ion exchange resins to remove cesium and technetium (the primary radioactive constituents) from the Hanford LAW. The process is designed to produce a decontaminated waste stream and a concentrated eluate waste stream for vitrification into low and high activity glasses, respectively.
Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (684 download)
Download or read book Summary of Testing of SuperLig 639 at the TFL Ion Exchange Facility written by and published by . This book was released on 2000 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: A pilot scale facility was designed and built in the Thermal Fluids Laboratory at the Savannah River Technology Center to test ion exchange resins for removing technetium and cesium from simulated Hanford Low Activity Waste (LAW). The facility supports the design of the Hanford River Protection Project for BNFL, Inc. The pilot scale system mimics the full-length of the columns and the operational scenario of the planned ion exchange system. Purposes of the testing include confirmation of the design, evaluation of methods for process optimization and developing methods for waste volume minimization. This report documents the performance of the technetium removal resin.
Author : L.R. van Loon
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (842 download)
Download or read book The Radiolytic and Chemical Degradation of Organic Ion Exchange Resin Under Alkaline Conditions written by L.R. van Loon and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. Ichihashi
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 ( download)
Download or read book Chemical Decomposition of Radioactive Ion Exchange Resin written by T. Ichihashi and published by . This book was released on 1983 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John C. Hoffsommer
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (227 download)
Download or read book Chemical Degradation of RDX on Strongly Basic Ion-Exchange Resins written by John C. Hoffsommer and published by . This book was released on 1977 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical interaction of RDX on strongly basic ion-exchange resins has been investigated as a method for (1) removal and (2) disposal of RDX from water in a single step. The resin has been evaluated on both laboratory and pilot scales and shows no loss of efficiency after eight regeneration cycles. One cubic foot of resin was found capable of degrading and removing 99% of the RDX contained in 1300 gallons of tap water before regeneration was required. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (684 download)
Download or read book Multiple Ion Exchange Column Runs for Cesium and Technetium Removal from AW-101 Waste Sample written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The River Protection Project -Waste Treatment Plant (RPP-WTP) will be performing cesium removal from Hanford tank waste supernatants using SuperLig 644 resin. These elutable resins will be used multiple times to process large volumes of radioactive waste samples and will be subjected to chemical and radiation degradation during use at the waste treatment plant (WTP). The RPP-WTP process design assumes that resin batches can be used a minimum of 10 cycles before the resin must be replaced due to degradation. The effects of radiation and chemical degradation on SuperLig 644 and 639 resins were separately studied in the past under static conditions, i.e., in contact with air, water, and simulated waste solutions. To determine the chemical degradation effects under dynamic or column conditions, Battelle, Pacific Northwest National Laboratory (PNNL), and IBC Advanced Technologies conducted multiple load/elute/regenerate cycles with simulated Hanford waste samples. Savannah River Technology Center (SRTC) was contracted to demonstrate the performance of SuperLig 644 and 639 resins to treat repetitively radioactive waste solutions. Six cycles of loading, elution, and regeneration were performed to remove cesium from a Hanford waste sample. Five load/elute/regenerate cycles were carried out to remove technetium from cesium-depleted effluent solutions. The multiple load/elute/regenerate cycles demonstrated that cesium and technetium can be effectively removed from a sample using SuperLig 644 and 639 resins. The percent cesium removal was greater than 99.99 per cent for each of the six cycles.
Author : Bruce A. Moyer
Publisher : Springer Science & Business Media
ISBN 13 : 9780306479113
Total Pages : 382 pages
Book Rating : 4.4/5 (791 download)
Download or read book Fundamentals and Applications of Anion Separations written by Bruce A. Moyer and published by Springer Science & Business Media. This book was released on 2004-06-17 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book documents the proceedings of the symposium "Fundamentals and Applications of Anion Separations" held during American Chemical Society National Meeting in Chicago, Illinois, August 25-30, 200I. Nearly 40 papers devoted to discussions on anion separation related to fundamental research and applications were presented. The symposium, sponsored by Osram Sylvania, BetzDearbom, and the Separation Science & Technology Subdivision of the Industrial & Engineering Chemistry Division of the American Chemical Society was organized by Bruce A. Moyer, Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Building. 4500S, Oak Ridge, TN 37831-6119, and Raj P. Singh, Chemicals and Powders R&D, Osram Sylvania, Chemical and Metallurgical Products Division, Towanda, PA 18848. It drew presenters from Australia, the Czech Republic, France, Germany, Japan, South Africa, Thailand, the United Kingdom, and the United States. Separations constitute an integral part of chemical industry. Chemical products typically originate in resources that must be concentrated and purified, chemically transformed, and subjected to fmal purification. Effluent streams from the processes must be treated to recycle reusable components and to remove environmentally harmful species. Some industrial processes are devoted to environmental cleanup after pollution has occurred. In addition, many analytical methods require a separation for preconcentration, or a separation may be an inherent part of the analysis itself. Micro separations occurring at membranes or interfaces are also related phenomena employed for ion sensing. Many species targeted for separation are naturally anionic. Although the standard separations techniques ofextraction, ion exchange, adsorption, precipitation, etc.
Author : K. Gloe
Publisher : Springer Science & Business Media
ISBN 13 : 1402036876
Total Pages : 450 pages
Book Rating : 4.4/5 (2 download)
Download or read book Macrocyclic Chemistry written by K. Gloe and published by Springer Science & Business Media. This book was released on 2005-12-05 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: Macrocyclic Chemistry: Current Trends and Future Perspectives illustrates essential concepts in this expanding research field covering both basic and applied studies. Written by well-known experts from around the world, the topics of the chapters range from new macrocyclic architectures with different functions and self-assembly processes through to the modeling and dynamics of such systems. The content also reflects on application possibilities in analytical chemistry, separation processes, material preparation and medicine. Thus this book serves as a creative source of research strategies and methodic tools. Providing an excellent overview of the field, this book will be a valuable resource for researchers in industry and academic institutions as well as for teachers of science and graduate students. This book is devoted to the long-standing tradition of the International Symposia on Macrocyclic Chemistry (ISMC) and published to coincide with the 30th meeting, Dresden, Germany.
Author : Pawel Koscielniak
Publisher :
ISBN 13 : 9783039367399
Total Pages : 244 pages
Book Rating : 4.3/5 (673 download)
Download or read book Modern Flow Analysis written by Pawel Koscielniak and published by . This book was released on 2020 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flow analysis is an automatic, precise and fast way to perform analytical tests. Flow instruments are used for clinical and pharmaceutical analyses, quality control of industrial products, monitoring of environmental pollution and many other fields. The book presents the latest methodological, technical and instrumental achievements in flow analysis. It shows new possibilities for the miniaturization and full mechanization of flow systems, together with examples of their interesting application. The proposed solutions contribute to reducing the amount of used reagents and waste, as well as increasing the safety of working with hazardous reagents, resulting in modern devices operating in accordance with the principles of green chemistry. A number of innovative methods of processing and measuring analytical samples have also been described. The book very well reflects the current state of flow analysis and development directions.
Author : Michael F. L'Annunziata
Publisher : Academic Press
ISBN 13 : 0128143967
Total Pages : 1076 pages
Book Rating : 4.1/5 (281 download)
Download or read book Handbook of Radioactivity Analysis written by Michael F. L'Annunziata and published by Academic Press. This book was released on 2020-03-07 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Radioactivity Analysis: Radiation Physics and Detectors, Volume One, and Radioanalytical Applications, Volume Two, Fourth Edition, constitute an authoritative reference on the principles, practical techniques and procedures for the accurate measurement of radioactivity - everything from the very low levels encountered in the environment, to higher levels measured in radioisotope research, clinical laboratories, biological sciences, radionuclide standardization, nuclear medicine, nuclear power, and fuel cycle facilities, and in the implementation of nuclear forensic analysis and nuclear safeguards. It includes sample preparation techniques for all types of matrices found in the environment, including soil, water, air, plant matter and animal tissue, and surface swipes.Users will find the latest advances in the applications of radioactivity analysis across various fields, including environmental monitoring, radiochemical standardization, high-resolution beta imaging, automated radiochemical separation, nuclear forensics, and more. Spans two volumes, Radiation Physics and Detectors and Radioanalytical Applications Includes a new chapter on the analysis of environmental radionuclides Provides the latest advances in the applications of liquid and solid scintillation analysis, alpha- and gamma spectrometry, mass spectrometric analysis, Cherenkov counting, flow-cell radionuclide analysis, radionuclide standardization, aerosol analysis, high-resolution beta imaging techniques, analytical techniques in nuclear forensics, and nuclear safeguards Describes the timesaving techniques of computer-controlled automatic separation and activity analysis of radionuclides Provides an extensive table of the radiation characteristics of most radionuclides of interest for the radioanalytical chemist
Author : F. C. Nachod
Publisher : Academic Press
ISBN 13 : 1483270718
Total Pages : 671 pages
Book Rating : 4.4/5 (832 download)
Download or read book Ion Exchange Technology written by F. C. Nachod and published by Academic Press. This book was released on 2013-09-03 with total page 671 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ion Exchange Technology serves both as a reference and as a text book for technologists and engineers. While the present book is based mainly on ion exchange as practiced in the United States, the object was to produce a generally useful book which would deal with the fundamental problems, techniques, and operations of ion exchange such as mass transfer, equipment design, properties of ion exchange resins, and deionization. Also include are chapters on two types of applications—those that are used industrially on a large scale, and those which have not yet reached large-scale use but have impressive potentialities. In both the fundamental and applied chapters it was deemed necessary that the successful aspects of ion exchange operation be included. In addition, it was equally important to describe the problems and the inherent complexities encountered in the setting up of an ion exchange process. Wherever possible the economic factors were described realistically.
Author : Johannes Karl Fink
Publisher : William Andrew
ISBN 13 : 081551882X
Total Pages : 801 pages
Book Rating : 4.8/5 (155 download)
Download or read book Reactive Polymers Fundamentals and Applications written by Johannes Karl Fink and published by William Andrew. This book was released on 2005-07-15 with total page 801 pages. Available in PDF, EPUB and Kindle. Book excerpt: Loaded with practical knowledge, Reactive Polymers Fundamentals and Applications: A Concise Guide to Industrial Polymers comprehensively presents the state-of-art of methods and materials for the formulation of polymeric resins. It is an indispensable tool for chemists, engineers, and manufacturers who use, formulate, and cure raw materials into final products. The text focuses on the chemical modification of properties during the final stage of part fabrication from plastics. Newer applications range from the small scale, such as dental fillings, to industrial processes for batch fabrication. The book covers resin groups in major use in industry and under active research and development.
Author : Mika Sillanpää
Publisher : Butterworth-Heinemann
ISBN 13 : 0128114630
Total Pages : 310 pages
Book Rating : 4.1/5 (281 download)
Download or read book Electrochemical Water Treatment Methods written by Mika Sillanpää and published by Butterworth-Heinemann. This book was released on 2017-06-19 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrochemical Methods for Water Treatment: Fundamentals, Methods and Full Scale Applications covers all traditional, emerging and combined methods currently available for the treatment of surface, drinkable water and industrial wastewater. Topics covered include an overview of pollutants and treatment methods, an extended introduction to electrochemical processes in water treatment, electrochemical oxidation (including electrodesinfection, electrochemical reduction, electrocoagulation, electroflotation, and electrodialysis. In addition, emerging and combined methods are presented, as is a discussion on the available equipment necessary to scale up the operation of all methods. Electrochemical technologies have many common issues in terms of design, operation and performance. This book brings together a wealth of information on all different methods in a single source to provide broad insights and enable the connection between challenges and opportunities for different methods. The combination of technical information, design and case studies offered helps researchers better understand the challenges associated with scale up and implementation. Covers all electrochemical methods for water treatment Includes methods for the treatment of surface, drinking water and industrial wastewater Presents discussions on equipment in the context of scaling up the operation
Author : Gottfried Schill
Publisher : Elsevier
ISBN 13 : 1483275663
Total Pages : 205 pages
Book Rating : 4.4/5 (832 download)
Download or read book Catenanes, Rotaxanes, and Knots written by Gottfried Schill and published by Elsevier. This book was released on 2013-10-22 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic Chemistry, Volume 22: Catenanes, Rotaxanes, and Knots provides information pertinent to the synthesis of catenanes and rotaxanes. This book discusses the manner of interaction between the molecular subunits in catenanes in the solid, liquid, and gaseous states. Organized into 19 chapters, this volume begins with an overview of the idea of synthesizing molecules composed of separate entities that are mechanically connected to one another. This text then examines the stereochemistry and the other physical and chemical properties related to the mechanical connections in these compounds. Other chapters consider the determination of the absolute configuration of catenanes by extension of the Cahn–Ingold–Prelog rules. This book discusses as well the bond that mechanically connects the catenated rings. The final chapter deals with the model studies of the synthesis of knots, double wound rotaxanes, and higher linear catenanes. This book is a valuable resource for chemists, students, and research workers.
Author : Mika Silanpää
Publisher : Butterworth-Heinemann
ISBN 13 : 0128017198
Total Pages : 383 pages
Book Rating : 4.1/5 (28 download)
Download or read book Natural Organic Matter in Water written by Mika Silanpää and published by Butterworth-Heinemann. This book was released on 2014-10-07 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximately 77 percent of the freshwater used in the United States comes from surface-water sources and is subject to natural organic matter contamination according to the United States Geological Survey. This presents a distinct challenge to water treatment engineers. An essential resource to the latest breakthroughs in the characterization, treatment and removal of natural organic matter (NOM) from drinking water, Natural Organic Matter in Waters: Characterization and Treatment Methods focuses on advance filtration and treatment options, and processes for reducing disinfection byproducts. Based on the author’s years of research and field experience, this book begins with the characterization of NOM including: general parameters, isolation and concentration, fractionation, composition and structural analysis and biological testing. This is followed by removal methods such as inorganic coagulants, polyelectrolytes and composite coagulants. Electrochemical and membranes removal methods such as: electrocoagulation, electrochemical oxidation, microfiltration and ultrafiltration, nanofiltration and membrane fouling. Covers conventional as well as advanced NOM removal methods Includes characterization methods of NOM Explains removal methods such as: removal by coagulation, electrochemical, advanced oxidation, and integrated methods
