DEVELOPMENT OF TECHNOLOGIES AND EQUIPMENT FOR EXTRACTING ISOTOPES 20Ne AND 22Ne FROM NATURAL NEON
DOI:
https://doi.org/10.18198/j.ind.gases.2006.0267Keywords:
Neon, Isotopes, Vortex separator, Separation factor, Adsorption, Chromatogra-phy, Rectification, CryogenicsAbstract
The results of researches on the extraction of isotopes from natural neon in vortex separators, adsorbers and rectification columns have been described. It is proven that the technologies based on the application of vortex separators or processes of chromatographic separation of natural neon in the helium stream allow simplifying the production of primary concentrates. For the simultaneous manufacture of a more concentrated 20Ne fraction and the extraction of isotope 22Ne, it is necessary to apply the neon rectification processes at 28 К. The products with the isotope ratio of 99,95 % and the purity of 99,999 % have been obtained at the cascade activation of 3–4 columns. The results of the research work can be also applied during the separation of other gas mixtures, whose components slightly differ in the values of steam tension.
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