METHOD OF ION EXCHANGE CLEANING OF SODIUM IODIDE SOLUTION FROM MICROADMIXTURES OF HEAVY METALS AND POTASSIUM

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 chemical technology, in particular to a method of regeneration of inorganic u0438u043eu043du043eu043eu0431u043cu0435u043du043du0438u043au043eu0432 type tin phosphate or titanium phosphate, u043fu0440u0438u043cu0435u043du00a0u0435 u043cu044bu0445 in obtaining highly pure substances, and can be used in the deep treatment of u043au0430u043bu0438u00a0 u043du0430u0442u0440u0438u00a0 salts and other metal impurities.the invention u043fu043eu0437u0432u043eu043bu00a0u0435u0442 at 25 - 30% increase the cleaning solution from u0438u043eu0434u0438u0434u0430 u043du0430u0442u0440u0438u00a0 as traces u0442u00a0u0436u0435u043bu044bu0445 metals. u043fu0440u043eu0432u043eu0434u00a0u0442 u043cu043du043eu0433u043eu0446u0438u043au043bu0438u0447u043du044bu0439 cleaning process u0438u043eu0434u0438u0434u0430 u043du0430u0442u0440u0438u00a0 from impurities u0442u00a0u0436u0435u043bu044bu0445 metals and u043au0430u043bu0438u00a0 including their u0441u043eu0440u0431u0446u0438u044e on u0444u043eu0441u0444u0430u0442u0435 titanium. then u043fu0440u043eu0432u043eu0434u00a0u0442 u0434u0435u0441u043eu0440u0431u0446u0438u044e impurities from the sorbent by coherent processing of first in the 3 to 6 h.nitric acid, and then a neutral solution u0442u0438u043eu0441u0443u043bu044cu0444u0430u0442u0430 u043du0430u0442u0440u0438u00a0 concentration of 2%. 2, table 2).