METHOD OF EXTRACTION OF STRONTIUM FROM WATER SOLUTIONS

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FIELD : processing of industrial waste waters.SUBSTANCE : the invention is pertinent to the field of processing of industrial waste water, in particular, to extraction of alkali-earth metals from water solutions. Extraction of strontium from water solutions such as chloride-calcium waters is conducted using an ionic flotation. At that the reactant-collector is introduced with its consumption smaller than stoichiometrical consumption in relation to strontium and not enough for an ionic flotation of the rest components. An ionic flotation of strontium is carried out during the time period sufficient for an efficient extraction of strontium and not sufficient for extraction of calcium. The method of extraction of strontium from water solutions as compared with the existing methods ensures higher selectivity of extraction.EFFECT : the method ensures higher selectivity of extraction of strontium from water solutions as compared with the existing methods.2 dwg, 2 tbl, 1 ex