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Author : Ben S. Johnson
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)
Download or read book Low Temperature Still for Separation of Hydrogen Isotopes written by Ben S. Johnson and published by . This book was released on 1962 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James King
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (777 download)
Download or read book Theory of Low-temperature Chromatographic Separation of the Hydrogen Isotopes written by James King and published by . This book was released on 1966 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Low Temperature Distillation System for Separating Mixtures of Protium, Deuterium, and Tritium Isotopes written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A low temperature (24 K) distillation system for separating mixtures of hydrogen isotopes has been designed, fabricated, and delivered for use as the main component of the Hydrogen Isotope Separation System (HISS) at Mound. The HISS will handle feed mixtures of all six isotopic species of hydrogen (H2, HD, HT, D2, DT, T2) and will enrich the tritium while producing a stackable raffinate. Arther D. Little, Inc. (ADL) was the prime contractor for the distillation system. The design and fabrication techniques used for the HISS distillation system are similar to those used for previous stills which were also designed and built by ADL. The distillation system was tested with mixtures of protium and deuterium at the ADL shop. This system, as well as the feed, product, and raffinate handling systems are presently being installed at Mound where integrated testing is scheduled next calendar year.
Download or read book LOW TEMPERATURE DISTILLATION OF HYDROGEN ISOTOPES. written by and published by . This book was released on 1953 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. M. Abraham
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.3/5 (91 download)
Download or read book Low Temperature Distillation of Hydrogen Isotopes written by B. M. Abraham and published by . This book was released on 1953 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ingrid Zaiser
Publisher : Cuvillier Verlag
ISBN 13 : 3736983778
Total Pages : 200 pages
Book Rating : 4.7/5 (369 download)
Download or read book Helium and Hydrogen Isotope Adsorption and Separation in Metal-Organic Frameworks written by Ingrid Zaiser and published by Cuvillier Verlag. This book was released on 2016-10-31 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: The separation of isotopes has always been a challenge because of their identical size, shape and thermodynamic properties. Nowadays, the extraction of deuterium is performed e.g. by the Girdler Sulfid process or cryogenic distillation, which lead to low separation factors (below 2.5) in combination with high energy costs. The standard way to produce helium-3 is to skim it as a byproduct of the radioactive tritium decay. In this thesis, two alternative approaches have been investigated for the separation of light isotopes, Quantum Sieving and Chemical Affinity Sieving . While Quantum Sieving is based on confinement in small pores, Chemical Affinity Sieving relies on strong adsorption sites. Both methods use the mass difference of the isotopes, which is related to their zero-point energy. The microporous metal-organic frameworks are excellent candidates for studying these quantum effects due to their well-defined pore structure and the possibility to introduce strong adsorption sites directly into the framework. The samples have been exposed to an isotope mixture and the adsorbed quantity of each isotope was detected by low-temperature thermal desorption spectroscopy (TDS). The ratio of the desorbed amount of the isotopes leads directly to the selectivity (separation factor). The selectivity is determined as a function of exposure time and temperature and exhibits the highest value of 25 observed for hydrogen isotopes at temperatures well above the boiling point of liquid nitrogen.
Author : Institute for Basic Standards (U.S.). Cryogenic Engineering Laboratory
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (897 download)
Download or read book TECHNICAL MEMORANDUM NO. 58 written by Institute for Basic Standards (U.S.). Cryogenic Engineering Laboratory and published by . This book was released on 1958 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Atomic Energy of Canada Limited
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (719 download)
Download or read book Influence of Temperature on the Electrolytic Separation Factor of Hydrogen Isotopes written by Atomic Energy of Canada Limited and published by . This book was released on 1960 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas M. Flynn
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (93 download)
Download or read book Technical Memorandum No. 58 written by Thomas M. Flynn and published by . This book was released on 1958 with total page 17 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 :
Publisher :
ISBN 13 :
Total Pages : 810 pages
Book Rating : 4.0/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1972 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sulfur-isotope Separation by Distillation written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Sulfur-isotope separation by low-temperature distillation of hydrogen sulfide was studied in an 8-m, 25-mm diameter distillation column. Column temperature was controlled by a propane-propylene heat pipe. Column packing HETP was measured using nitric oxide in the column. The column was operated at pressures from 45 to 125 kPa. The relative volatility of S-32 vs. S-34 varied from 1.0008 to 1.0014.
Author : L. P. Roy
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Influence of temperature on the electrolytic separation factor of hydrogen isotopes written by L. P. Roy and published by . This book was released on 1962 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Method and Apparatus for Separation of Heavy and Tritiated Water written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An object of the present invention is to provide a method for separating and recovering hydrogen isotopes that avoids the disadvantages of the prior art, is more simple, and allows for continuous hydrogen isotope separation and recovery. The disclosed invention does not require the use of isotope exchange reaction catalysts and/or hydrogen sulfide gas. The present invention achieves the advantages of the thermal diffusion and the chemical exchange processes. The disclosed invention provides a method for separating and recovering hydrogen isotopes from a fluid containing the hydrogen isotopes by providing counter-current cold and hot streams of the fluid containing the hydrogen isotopes separated by a proton exchange membrane made of thermally insulating and chemically transparent material that allows exchange of heavy and light hydrogen isotopes there through. The heavier isotopes migrate to the cold stream producing a deuterium and tritium-enriched fluid, while lighter isotopes migrate to the hot stream producing a lighter isotope-enriched fluid. The heavy and light isotopes are withdrawn from the cold and hot streams respectively. According to the present invention, the fluid is water or hydrogen gas, and the desired hydrogen isotope species are deuterium and/or tritium. Further, according to the present invention, the streams of said high and low temperature fluids are interconnected at their respective top and bottom ends forming a continuous loop, and a feed stream is provided at an intermediate portion of either hot or cold stream to feed the process.
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 : 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.
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:
