Methods of removing radionuclide cesium from soil
Author: I.A. Sobolev, L.B. Prozorov, N.I. Komarova, T.V. Molchanova
Reference: Patent, 10.07.2000, Moscow patent holder: Moscow State Enterprise – Joint Environmental-Technological Research Center for the disposal of radioactive waste and the protection of the environment (SIA “Radon”)
Keywords: cesium, soil, decontamination, hydrofluoric and / or fluosilicic acid
Abstract: The invention relates to environmental protection and is aimed to be used for decontamination of soil from radionuclide cesium. Technical results: expansion of the scope, as well as increase of extent, speed and security of implementation. For the decontamination an aqueous solution is applied. The solution is a mixture of oxalic acid concentration, of at least 0.5 M, and water soluble ammonium, potassium or sodium salt of hydrofluoric and / or fluosilicic acid.
URL: http://www.findpatent.ru/patent/215/2152650.html
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