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Chemical Precipitation Processes For The Treatment Of Aqueous Radioactive Waste
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Book Synopsis Chemical Precipitation Processes for the Treatment of Aqueous Radioactive Waste by :
Download or read book Chemical Precipitation Processes for the Treatment of Aqueous Radioactive Waste written by and published by . This book was released on 1992 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this report is to provide a review of chemical precipitation processes for the treatment of low and intermediate level aqueous waste. It supersedes Technical Reports Series No. 89, Chemical Treatment of Radioactive Wastes, published in 1968. It provides data on the performance of existing plants and on improved processes that are in an advanced state of development.
Book Synopsis Advances in Technologies for the Treatment of Low and Intermediate Level Radioactive Liquid Wastes by : International Atomic Energy Agency
Download or read book Advances in Technologies for the Treatment of Low and Intermediate Level Radioactive Liquid Wastes written by International Atomic Energy Agency and published by . This book was released on 1994 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a wide spectrum of treatment processes of both aqueous and organic radioactive wastes. It briefly covers upgraded traditional and well proven processes such as chemical precipitation, ion exchange and evaporation, and focuses on rather new membrane and electrochemical processes and combinations of these processes. Methods based on the use of biological processes for the treatment of liquid radioactive wastes are described in this report for the first time. It also describes both advantages and disadvantages of the technologies mentioned.
Book Synopsis New Separation Chemistry Techniques for Radioactive Waste and Other Specific Applications by : Messrs L. Cecille
Download or read book New Separation Chemistry Techniques for Radioactive Waste and Other Specific Applications written by Messrs L. Cecille and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this technical seminar was to evaluate the present state of the art in matter of advanced separation techniques like solvent extraction, ion-exchange, chemical precipitation, membrane and electrical processes for the treatment of radioactive liquid waste and a selection of some specific industrial non-radioactive effluents. Through this initiative, the organisers aimed at promoting the exchange of information between scientists from various origins (universities, research centres and industries) while contributing to the necessary overcoming of the artificial barriers which too often limit the "technology transfer" between the nuclear and non-nuclear sectors. Vll CONTENTS PREFACE ........................................ V ABBREVIATIONS ...................................... xiv OPENING SESSION WELCOME ADDRESS C. MANCINI (ENEA) .................................... 3 OPENING ADDRESS S. FINZI (CEC) ....................................... 7 AREAS WHERE ADVANCED SEPARATION TECHNIQUES ARE DESIRABLE G. GROSSI (ENEA), L. CECILLE (CEC) ....................... 11 REVIEW OF NEW EXTRACT ANTS POTENTIALLY APPLICABLE TO THE PROCESSING OF RADIOACTIVE LIQUID WASTES (Summary) P.R. DANESI, International Atomic Energy Agency, Vienna, Austria . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 . . . . . . . . . .
Book Synopsis Handling and Processing of Radioactive Waste from Nuclear Applications by : International Atomic Energy Agency
Download or read book Handling and Processing of Radioactive Waste from Nuclear Applications written by International Atomic Energy Agency and published by . This book was released on 2001 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides detailed information on the handling, processing and storage techniques most widely used and recommended for waste from non-fuel-cycle activities. The report was designed to meet the needs of developing countries by focusing on the most simple, affordable and reliable techniques and discussing their advantages and limitations.
Book Synopsis Treatment of Low- and Intermediate-level Liquid Radioactive Wastes by : International Atomic Energy Agency
Download or read book Treatment of Low- and Intermediate-level Liquid Radioactive Wastes written by International Atomic Energy Agency and published by Bernan Press(PA). This book was released on 1984 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Separations in Nuclear Waste Management by : Gregory R. Choppin
Download or read book Chemical Separations in Nuclear Waste Management written by Gregory R. Choppin and published by . This book was released on 2002 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: The separation of radioactive waste materials into their chemical components is at the heart of all efforts to reduce the volume of nuclear waste. In Chemical Separations in Nuclear Waste Management: The State of the Art and a Look to the Future, the authors discuss the present state and possible future directions of separations science and technology. The book presents an overview of the environmental legacy from nuclear weapons production in the United States and the former Soviet Union, the magnitude of the cleanup efforts that are underway in both countries, and the pivotal role played in these efforts by separations science. Needs that are specific to the future development of separations science and technology are emphasized. Contents:1. Overview of Chemical Separation Methods. II. The Environmental Legacy of the Cold War: Site Cleanup in the United States. III. Environmental Impacts of Separation Technologies in Russia. IV. Non-Aqueous Separation Methods. V. U.S.-Russian Cooperative Program in Research and Development of Chemical Separation Technologies. VI. Radiation Protection Aspects of Nuclear Waste Separations. VII. Accelerator-Driven Transmutation Technologies for Nuclear Waste Treatment.
Book Synopsis Mixing Effects on the Precipitation and Cross Flows Filtration of a Hanford Simulated Precipitated Radioactive Waste by :
Download or read book Mixing Effects on the Precipitation and Cross Flows Filtration of a Hanford Simulated Precipitated Radioactive Waste written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: As part of the River Protection Project at Hanford, Washington, Bechtel National, Inc. has been contracted by the United States Department of Energy to design a Waste Treatment and Immobilization Plant to stabilize liquid radioactive waste. Because of its experience with radioactive waste stabilization, the Savannah River Technology Center of the Westinghouse Savannah River Company is working with Bechtel National and Washington Group International, to help design and test certain parts of the Waste Treatment Plant. One part of the process is the separation of radioactive isotopes from the liquid waste by a precipitation reaction and cross-flow ultrafiltration. To better understand those combined processes an experiment was performed using a simulated radioactive waste, made to prototypically represent the chemical and physical characteristics of a Hanford waste in tank 241-AN-102 and precipitated under prototypic conditions. The resultant slurry was then filtered using a cross-flow filter prototypic in porosity, length, and diameter to the plant design. An important aspect of filtration for waste treatment is the rate at which permeate is produced. There are many factors that affect filtration rate and one of the most difficult to obtain is the effect of particles in the waste streams. The Waste Treatment Plant will filter many waste streams, with varying concentrations and types of dissolved and undissolved solids. An added complication is the need to precipitate organic complexants so they can be efficiently separated from the supernatant. Depending on how precipitation is performed, the newly created solids will add to the complicating factors that determine permeate flux rate. To investigate the effect of precipitated solids on filter flux a pilot-scale test was performed and two different mixing mechanisms were used for the precipitation reaction. A standard impeller type mixer, which created a homogeneous mixture, and a pulse jet mixer, which created a ''less than'' homogeneous precipitation environment. Pulse jet mixers are included in the design of the Waste Treatment Plant because they have no moving parts, which is advantageous for radioactive operations as no maintenance is required. A pulse jet mixer uses alternate pulses of pressurized air and vacuum to mix tank contents. This pulse jet mixer was not expected to establish a homogeneous mixture throughout the test tank, therefore, it was important to know its effect on filtration after a waste is precipitated. This paper discusses the experimental results of cross-flow filter flux after a simulated waste is precipitated under each of the two mixing methods. The main conclusion reached is that while the ''less than well mixed'' jet-pulsed waste gave a lower average filter flux it may still be sufficiently large enough to meet plant requirements.
Download or read book Technical Reports Series written by and published by . This book was released on 1992 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radioactive Waste Management written by and published by . This book was released on 1981 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Active Liquid Treatment by a Combination of Precipitation and Membrane Processes by : R. G. Gutman
Download or read book Active Liquid Treatment by a Combination of Precipitation and Membrane Processes written by R. G. Gutman and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Introduction to Nuclear Waste Immobilisation by : Michael I Ojovan
Download or read book An Introduction to Nuclear Waste Immobilisation written by Michael I Ojovan and published by Elsevier. This book was released on 2013-12-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drawing on the authors' extensive experience in the processing and disposal of waste, An Introduction to Nuclear Waste Immobilisation, Second Edition examines the gamut of nuclear waste issues from the natural level of radionuclides in the environment to geological disposal of waste-forms and their long-term behavior. It covers all-important aspects of processing and immobilization, including nuclear decay, regulations, new technologies and methods. Significant focus is given to the analysis of the various matrices used, especially cement and glass, with further discussion of other matrices such as bitumen. The final chapter concentrates on the performance assessment of immobilizing materials and safety of disposal, providing a full range of the resources needed to understand and correctly immobilize nuclear waste.
Book Synopsis Treatment of Radioactive Waste Using Composite Ion Exchanger by : Eman El-Kady
Download or read book Treatment of Radioactive Waste Using Composite Ion Exchanger written by Eman El-Kady and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: The long-lived radionuclides in radioactive waste have been considered to be dangerous pollutants, and their migration with groundwater is strongly affected by adsorption on the geologic materials. The presence of radionuclides and toxic metals in wastes is a major environmental concern. Such wastes arise from technologies producing nuclear fuels, and from laboratories working with radioactive materials. Various treatment technologies have been developed for the removal of heavy metals from water. The commonly used technologies for removing metal ions from effluents include chemical precipitation, lime coagulation, ion exchange. Synthetic organic-inorganic composite cation-exchange materials have received a great deal of attention because of their stability and reproducible analytical and electroanalytical applications. Organic polymers of composite material provide the mechanical strength and increase the surface area for more available exchangeable sites of the inorganic part. Nano composites of organic-inorganic cation-exchange materials prepared by sol-gel method are advance class of materials that are expected to provide many possibilities.
Book Synopsis Separation Techniques in Nuclear Waste Management (1995) by : Thomas E Carleson
Download or read book Separation Techniques in Nuclear Waste Management (1995) written by Thomas E Carleson and published by CRC Press. This book was released on 2017-11-22 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: Separation Techniques in Nuclear Waste Management is an up-to-date, comprehensive survey of processes for separation of nuclear wastes. Comprised of articles by scientists and engineers at universities and national laboratories in the U.S. and overseas, the book provides excellent reference information for individuals working in nuclear waste management. Specifically, the book covers current separation technologies and techniques for waste liquid, solid, and gas streams that contain radionuclides. Such wastes are typical of those produced as a result of nuclear materials processing and spent fuel reprocessing. Chapters on promising new technologies and state-of-the-art processes currently in use provide valuable information for design engineers, as well as for research scientists. The articles in Separation Techniques in Nuclear Waste Management are brief and concise - designed for quick access to pertinent information. Many of the contributors are leaders in their fields. It is the most current survey available of the latest nuclear waste management techniques.
Book Synopsis Preliminary Plan for Treating Mixed Waste by :
Download or read book Preliminary Plan for Treating Mixed Waste written by and published by . This book was released on 1993 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strategy and Methodology for Radioactive Waste Characterization by : International Atomic Energy Agency
Download or read book Strategy and Methodology for Radioactive Waste Characterization written by International Atomic Energy Agency and published by IAEA. This book was released on 2007 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade significant progress has been achieved in the development of waste characterization and control procedures and equipment as a direct response to ever-increasing requirements for quality and reliability of information on waste characteristics. Failure in control procedures at any step can have important, adverse consequences and may result in producing waste packages which are not compliant with the waste acceptance criteria for disposal, thereby adversely impacting the repository. The information and guidance included in this publication corresponds to recent achievements and reflects the optimum approaches, thereby reducing the potential for error and enhancing the quality of the end product. -- Publisher's description.
Book Synopsis Low-radioactivity-level Waste Treatment. Part I. by : Rowland R. Holcomb
Download or read book Low-radioactivity-level Waste Treatment. Part I. written by Rowland R. Holcomb and published by . This book was released on 1963 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography on Nuclear Reactor Fuel Reprocessing and Waste Disposal: Waste treatment and disposal by : T. F. Connolly
Download or read book Bibliography on Nuclear Reactor Fuel Reprocessing and Waste Disposal: Waste treatment and disposal written by T. F. Connolly and published by . This book was released on 1960 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
