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Author : Vicram Prakash Singh
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (354 download)
Download or read book Separation of Hydrogen Isotopes by a Flowing Bed Process written by Vicram Prakash Singh and published by . This book was released on 1987 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Boris Mikhailovich Andreev
Publisher : Elsevier
ISBN 13 : 0080468098
Total Pages : 317 pages
Book Rating : 4.0/5 (84 download)
Download or read book Separation of Isotopes of Biogenic Elements in Two-phase Systems written by Boris Mikhailovich Andreev and published by Elsevier. This book was released on 2006-12-01 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Separation of Isotopes of Biogenic Elements provides a detailed overview of this area of research covering all aspects from the value of isotope effects to their practical use (equilibrium single-stage isotope effect - kinetics and mass transfer – multiplication of the single-stage isotope separation factor - technological peculiarity of processes) with the purpose of extraction from the natural mixture of the enriched and highly concentrated isotopes. In contrast to traditional books on the theory of isotope separation, the theoretical part of the book describes separation in two-phase processes in counter-flow columns. The experimental part of the book presents systematic analysis of specialists in the field of isotope separation in counter-flow columns. This book will be of interest to scientists, engineers and technical workers engaged in isotope separation processes and isotope application in nuclear physics, medicine, agro-chemistry, biology and other areas. This book may also be used in teaching theory and practical aspects in courses on physical chemistry and Isotope separation of light elements by physicochemical methods. * summarises current state of isotope research, especially biogenic elements* covering all aspects from the value of isotope effects to their practical use* of interest to scientists, engineers and technical workers engaged in isotope separation processes and isotope application
Author : Gheorghe Vasaru
Publisher : CRC Press
ISBN 13 : 9780849343223
Total Pages : 330 pages
Book Rating : 4.3/5 (432 download)
Download or read book Tritium Isotope Separation written by Gheorghe Vasaru and published by CRC Press. This book was released on 1993-03-25 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tritium Isotope Separation is the first book to present a current overview of the separation processes for tritium isotopes. The book consists of two parts. Part I explores the sources of tritium and the evolution of the world's tritium inventory. Part II describes the processes and plants used for tritium isotope separation, enrichment methods for tritium for analytical purposes, methods for recovering and enriching tritium from nuclear and thermonuclear plants, and the laser method. The book in general emphasizes applications, performance, characterization, laboratory experiments, pilot plants and industrial production, reliability, and cost. An author index, subject index, list of acronyms and abbreviations, and glossary have been included to make the book an even more valuable reference. Tritium Isotope Separation will be an essential book for all nuclear energy engineers, nuclear physicists, and others working with various aspects of isotope separation science.
Author : Richard R. Foster
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)
Download or read book Electrolytic Separation Factors for Hydrogen Isotopes written by Richard R. Foster and published by . This book was released on 1961 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Katharine Harp Rigdon
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (114 download)
Download or read book A Gas Flow-Through System for Hydrogen Isotopic Separation with Metal-Organic Frameworks written by Katharine Harp Rigdon and published by . This book was released on 2019 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, we designed and built a gas flow-through system to study dynamic adsorption separation of hydrogen isotopes in metal-organic frameworks (MOFs). MOFs are porous, crystalline materials composed of metal complexes connected by organic linkers. They have been proposed as a cheaper, more energy efficient approach to hydrogen isotope separation than current industrial methods. We have previously found evidence of a zero-point energy-based separation mechanism for hydrogen isotopes in two MOFs: Co-MOF-74 and Cu(I)-MFU-4l. This mechanism, chemical affinity quantum sieving (CAQS), has been extensively studied under static equilibrium conditions. The system in this work was developed so that CAQS could be studied under dynamic conditions that more closely resemble those in industrial separation. Breakthrough analysis is an established technique for studying dynamic separation in porous materials. Generally, a breakthrough experiment involves flowing a gas mixture through a fixed bed of adsorbent material and measuring the composition of the effluent flow. In this work, a 1:1 mixture of common hydrogen and its isotope deuterium was flowed through 71 mg of Co-MOF-74 or 22 mg of Cu(I)-MFU-4l. A quadrupole mass spectrometer was used to monitor the composition of the effluent flow. We saw preferential adsorption of deuterium over common hydrogen in Co-MOF-74 at 77K and Cu(I)-MFU-4l at 170K, 140K, and 110K. This behavior was absent in Cu(I)-MFU-4l at 77K, a phenomenon that we would like to investigate further. Minimal adsorption occurred in both MOFs at room temperature, as expected. A selectivity of deuterium over common hydrogen was calculated for each temperature. These selectivities were approximately 30% lower than comparable literature values. Our goal is to make improvements to our system and methods to measure the selectivity more accurately and reproducibly. Notably, all measured selectivities were higher than the selectivity of the Girdler Sulfide method and cryogenic distillation, two industrial hydrogen isotope separation processes we are trying to improve on. This new system gives us the capability to study dynamic adsorption and kinetic separation of hydrogen isotopes in metal-organic frameworks going forward. We hope that our work will inform the development of efficient, environmentally sustainable separation processes.
Author :
Publisher :
ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.0/5 ( download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-11 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Howard K. Rae
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (45 download)
Download or read book Separation of Hydrogen Isotopes written by Howard K. Rae and published by . This book was released on 1978 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Heinz London
Publisher :
ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.3/5 (91 download)
Download or read book Separation of Isotopes written by Heinz London and published by . This book was released on 1961 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.3/5 (91 download)
Download or read book Isotope Separation and Isotope Exchange written by and published by . This book was released on 1953 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : O. N. Salmon
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Electrolytic Separation of Hydrogen Isotopes by Migration Through a Palladium Membrane written by O. N. Salmon and published by . This book was released on 1956 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Process for Recovering Evolved Hydrogen Enriched with at Least One Heavy Hydrogen Isotope written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This invention relates to a separation means and method for enriching a hydrogen atmosphere with at least one heavy hydrogen isotope by using a solid titaniun alloy hydride. To this end, the titanium alloy hydride containing at least one metal selected from the group consisting of vanadium, chromium, manganese, molybdenum, iron, cobalt and nickel is contacted with a circulating gaseous flow of hydrogen containing at least one heavy hydrogen isotope at a temperature in the range of -20.degree. to +40.degree. C and at a pressure above the dissociation pressure of the hydrided alloy selectively to concentrate at least one of the isotopes of hydrogen in the hydrided metal alloy. The contacting is continued until equilibrium is reached, and then the gaseous flow is isolated while the temperature and pressure of the enriched hydride remain undisturbed selectively to isolate the hydride. Thereafter, the enriched hydrogen is selectively recovered in accordance with the separation factor (S.F.) of the alloy hydride employed.
Author : S. Isomura
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Separation of hydrogen isotopes by hydrogen-water exchange. separation characteristics of the trickle bed exchange column written by S. Isomura and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 848 pages
Book Rating : 4.:/5 (31 download)
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1989 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. H. Clewett
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Chemical Exchange as a Versatile Isotope Separation Process written by G. H. Clewett and published by . This book was released on 1950 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B.M. Andreev
Publisher : Springer
ISBN 13 : 3540486755
Total Pages : 170 pages
Book Rating : 4.5/5 (44 download)
Download or read book Interaction of Hydrogen Isotopes with Transition Metals and Intermetallic Compounds written by B.M. Andreev and published by Springer. This book was released on 2006-04-11 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studying the interactions between heavy hydrogen isotopes and hydride forming metals or intermetallic compounds (IMC) is of importance for both fundamental and applied sciences. These systems offer, for example, the possibility of technical hydrogen isotope separation due to their considerable isotope effects. In addition, quite a lot of problems of hydrogen recovery, hydrogen purification, and tritium storage can be solved. This review deals with theoretical aspects of the interaction of heavy hydrogen isotopes with metals and IMC, and contains detailed information on phase and isotopic equilibrium and of the kinetics of isotope exchange in systems with hydride phases. Numerical data and results from theoretical and experimental studies are presented as well.
Download or read book PROCESS SCALE SEPARATION OF HYDROGEN ISOTOPES BY GAS CHROMATOGRAPHY. written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Karl P. Cohen
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Theory of Isotope Separation as Applied to the Large-scale Production of U235 written by Karl P. Cohen and published by . This book was released on 1951 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
