Isotope separation
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Barely porous organic cages for hydrogen isotope separation Open
Quantum sieves for hydrogen isotopes One method for improving the efficiency of separation of hydrogen from deuterium (D) is to exploit kinetic quantum sieving with nanoporous solids. This method requires ultrafine pore apertures (around 3…
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Quantum Sieving for Separation of Hydrogen Isotopes Using MOFs Open
Hydrogen isotope mixtures can be separated either by confinement in small pores [i.e., “kinetic quantum sieving” (KQS)] or by strong adsorption sites [i.e., “chemical affinity quantum sieving” (CAQS)]. MOFs are excellent candidates for stu…
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Exploiting Dynamic Opening of Apertures in a Partially Fluorinated MOF for Enhancing H<sub>2</sub> Desorption Temperature and Isotope Separation Open
Deuterium has been recognized as an irreplaceable element in industrial and scientific research. However, hydrogen isotope separation still remains a huge challenge due to the identical physicochemical properties of the isotopes. In this p…
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Plasma mass separation Open
This tutorial describes mechanisms for separating ions in a plasma device with respect to their atomic or molecular mass for practical applications. The focus here is not on separating isotopes of a single atomic species but rather on syst…
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The next generation of low tritium hydrogen isotope separation technologies for future fusion power plants Open
The separation of hydrogen isotopes is a vital step in preparing tritium and deuterium fuels for future fusion power plants. This represents a fundamental challenge to fusion energy since the separation process must be able to handle high …
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A Comprehensive Review of Selected Major Categories of Lithium Isotope Separation Techniques Open
The ability to generate materials with an enriched isotopic abundance, that is one that differs from natural abundance, is critical in terms of technology. Isotopes are used in a wide range of applications, including radioactive tracers, n…
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A Proliferation Assessment of Third Generation Laser Uranium Enrichment Technology Open
Long-standing efforts to develop a commercially viable laser-based process for uranium enrichment, initially with atomic and later molecular isotope separation, have had limited success. This article discusses a model for a third generatio…
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Isotope Separation: Hydrogen Isotope Separation in Confined Nanospaces: Carbons, Zeolites, Metal–Organic Frameworks, and Covalent Organic Frameworks (Adv. Mater. 20/2019) Open
In article number 1805293, Hyunchul Oh, Hoi Ri Moon, and Jin Yeong Kim discuss recent developments and new perspectives, as well as separation mechanisms, for hydrogen-isotope separation using nanoporous materials. Various types of nanopor…
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Membrane Processes for the Nuclear Fusion Fuel Cycle Open
This paper reviews the membrane processes for the nuclear fusion fuel cycle—namely, the treatment of the plasma exhaust gases and the extraction of tritium from the breeding blankets. With respect to the traditional processes, the applicat…
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New Trends in Separation Techniques of Lithium Isotopes: A Review of Chemical Separation Methods Open
In terms of isotopic technologies, it is essential to be able to produce materials with an enriched isotopic abundance (i.e., a compound isotopic labelled with 2H, 13C, 6Li, 18O or 37Cl), which is one that differs from natural abundance. T…
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Novel Functionalized Cellulose Microspheres for Efficient Separation of Lithium Ion and Its Isotopes: Synthesis and Adsorption Performance Open
The adsorption of lithium ions(Li+) and the separation of lithium isotopes have attracted interests due to their important role in energy storage and nuclear energy, respectively. However, it is still challenging to separate the Li+ and it…
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A method to enrich reprocessed uranium with various initial contents of even-numbered isotopes Open
Nuclear industry needs effective recovering of fissile material from used nuclear fuel, as uranium accounting more than 90% of the spent nuclear fuel (SNF) volume. Use of reprocessed uranium (RepU) is associated with the difficulties due t…
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Isotope-resolved atomic beam laser spectroscopy of natural uranium Open
Rapid determination of uranium isotope ratios by laser absorption spectroscopy.
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Early Evaluation of Copper Radioisotope Production at ISOLPHARM Open
The ISOLPHARM (ISOL technique for radioPHARMaceuticals) project is dedicated to the development of high purity radiopharmaceuticals exploiting the radionuclides producible with the future Selective Production of Exotic Species (SPES) Isoto…
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Development of a sensitive setup for laser spectroscopy studies of very exotic calcium isotopes Open
An experimental setup for sensitive high-resolution measurements of hyperfine structure spectra of exotic calcium isotopes has been developed and commissioned at the COLLAPS beam line at ISOLDE, CERN. The technique is based on the radioact…
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Design Elements for Enhanced Hydrogen Isotope Separations in Barely Porous Organic Cages Open
Barely porous organic cages (POCs) successfully separate hydrogen isotopes (H2/D2) at temperatures below 100 K. Identifying the mechanisms that control the separation process is key to the design of next-generation hydrogen separation mate…
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Lithium Isotope Separation using Cation Exchange Resin with High Cross-Linkage Open
The lithium isotope separation by the displacement chromatography using cation exchange resin has been studied. The cross-linkage effect of cation exchange resin on lithium isotope enrichment was confirmed by using the commercial cation ex…
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The efficiency of one-line versus multi-line excitation of boron isotopes within the method of selective laser assisted retardation of condensation Open
The influence of multi-line pulsed excitation of target isotopes within the method of selective laser assisted retarded condensation (SILARC) on the efficiency of boron isotopes separation is investigated. In pulsed mode simultaneous excit…
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Production, Collection, and Purification of <sup>47</sup>Ca for the Generation of <sup>47</sup>Sc through Isotope Harvesting at the National Superconducting Cyclotron Laboratory Open
An experiment was performed at the National Superconducting Cyclotron Laboratory using a 140 MeV/nucleon 48Ca beam and a flowing-water target to produce 47Ca for the first time with this production route. A production rate of 0.020 ± 0.004…
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Ice–liquid isotope fractionation factors for <sup>18</sup>O and <sup>2</sup>H deduced from the isotopic correction constants for the triple point of water Open
The stable isotopes of water are extensively used as tracers in many fields of research. For this use, it is essential to know the isotope fractionation factors connected to various processes, the most important of which being phase change…
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Production and separation of 163Ho for nuclear physics experiments Open
This paper describes the production and chemical separation of the163Ho isotope that will be used in several nuclear physics experiments aiming at measuring the neutrino mass as well as the neutron cross section of the163Ho isotope. For th…
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Recent progress of ISOL facility at RAON Open
The RAON (Rare Isotope Accelerator complex for ON-line experiments) is currently in the stage of commissioning under the Rare Isotope Science Project (RISP) launched in 2011. RAON will utilize an advanced rare isotope beams produced with a…
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Novel PEFC Application for Deuterium Isotope Separation Open
The use of a polymer electrolyte fuel cell (PEFC) with a Nafion membrane for isotopic separation of deuterium (D) was investigated. Mass analysis at the cathode side indicated that D diffused through the membrane and participated in an iso…
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Separative Power of an Optimised Concurrent Gas Centrifuge Open
The problem of separation of isotopes in a concurrent gas centrifuge is solved analytically for an arbitrary binary mixture of isotopes. The separative power of the optimised concurrent gas centrifuges for the uranium isotopes equals to δU…
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Modeling and Simulation of Flow and Uranium Isotopes Separation in Gas Centrifuges Using Implicit Coupled Density-Based Solver in OpenFOAM Open
The performance of a gas centrifuge that is used for isotopes separation is dependent on the gas flow inside it. In this study, for modeling the UF6 gas flow, an Implicit Coupled Density-Based (ICDB) solver, was developed in OpenFOAM. To v…
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Advanced Isotope Separation Technology for Fusion Fuel Open
Deuterium-tritium fusion is the easiest nuclear fusion reaction among known fusion reactions. Since tritium is extremely rare, it is artificially produced by irradiating lithium metal. The separation, isolation, and storage of the tritium …
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Medical isotope collection from ISAC targets Open
The ISAC facility (Isotope Separation and Acceleration) at TRIUMF has recently started to provide isotopes for pre-clinical nuclear medicine studies. By irradiating ISOL (Isotope Separation OnLine) targets with a 480 MeV proton beam from t…
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Prospects of lithium enrichment on<sup>7</sup>Li isotope by method of controlled ions electro-migration Open
This paper deals with a new electro-membrane method of enrichment of 7Li isotope. The data are presented on the importance and application fields regarding the use of 7Li isotopes. Existing methods and criteria of separation of lithium iso…
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Isotope <sup>87</sup>Rb Faraday filter with a single transmission peak resonant with atomic transition at 780 nm Open
We demonstrate an isotope 87Rb Faraday anomalous dispersion optical filter (FADOF) with a single transmission peak resonant with the 5S1/2, F = 2 → 5P3/2, F' = 1, 2, 3 transitions at 780 nm with an enriched 87Rb isotope at low temperature.…
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Separation of boron isotopes by chemical exchange in liquid-liquid systems Open
The currently used technologies for the production of boron isotopes for nuclear power and nuclear medicine are based on the application of toxic boron halides. The report is devoted to alternative processes for enrichment of 10B and 11B b…