Molten Salts and Isotope Separation
نویسنده
چکیده
The work on molten salts and isotope separation performed over the years at Université Pierre et Marie Curie and at Collège de France is critically reviewed. This research, closely related to A. Klemm’s pioneering contributions, leads among other things to the discovery of the effect now called the ‘Chemla effect’, after the late Professor Marius Chemla. These studies of ionic motions in melts, and liquids in general, have greatly benefitted from recent advances in molecular simulations. Some recent results of such simulations – molecular dynamics (MD) and Brownian dynamics (BD) – as well as of related theoretical work are discussed.
منابع مشابه
Viscosity of Molten Rare Earth Metal Trichlorides I. CeCl3, NdCl3, SmCl3, DyCl3 and ErCl3
Knowledge of the viscosity of rare earth halides is important for the electrolytic production and separation of the rare earth elements [1 – 3]. However, essential difference is observed between the viscosity values of the same molten rare earth salts obtained experimentally by various researchers. As a rule, the viscosity of their halides was measured with reliable experimental methods checked...
متن کاملNovel waste printed circuit board recycling process with molten salt
The objective of the method was to prove the concept of a novel waste PCBs recycling process which uses inert, stable molten salts as the direct heat transfer fluid and, simultaneously, uses this molten salt to separate the metal products in either liquid (solder, zinc, tin, lead, etc.) or solid (copper, gold, steel, palladium, etc.) form at the operating temperatures of 450-470 °C. The PCB rec...
متن کاملStable isotope fractionation by thermal diffusion through partially molten wet and dry silicate rocks
Water plays a fundamental role in affecting geochemical transport and physical properties of magmas. Here we show the previously undocumented behavior of water within partially molten silicate resting in a temperature gradient, producing O, Li and H isotope redistribution by thermal diffusion leading to enrichment of light isotopes at the hot end of the gradient. After weeks to months, fully mo...
متن کاملFacile and scalable synthesis of Ti5Si3 nanoparticles in molten salts for metal-matrix nanocomposites.
We report a novel synthesis of Ti5Si3 nanoparticles (NPs) via the magnesio-reduction of TiO2 NPs and SiO2 in eutectic LiCl-KCl molten salts at 700 °C. The Ti5Si3 particle size (∼25 nm) is confined to the nanoscale due to the partial dissolution of Mg and silica in the molten salts and a subsequent heterogeneous reduction on the surface of the TiO2 NPs.
متن کاملThe Electrical Conductivity and Density of Solid and Molten Li2S04 —Ag2S04
The electrical conductivity of solid and molten Li2S04 —Ag,S0 4 has been measured for different concentration values. Density measurements of molten Li2S04 , Ag2S04 and equimolar (Li, Ag) 2S0 4 show that the system can be considered ideal. The equivalent conductivity of molten (Li, Ag) 2S0 4 can be calculated from the conductivities of the pure salts by assuming that the cations are moving in g...
متن کامل