FIELD: iron extraction from solutions. SUBSTANCE: iron (III) from exhausted phase is extracted in microcapsules of 0.1 -3.0 mm diameter, filled with receiving phase. Spherical shell of microcapsules is (5-100)·10-5 mm thick and is presented as liquid membrane. Microcapsules are produced by pressing receiving phase made of 4.9 M sodium nitrate and 0.4 M chloric acid in water, through porous filter, preliminary wetted by forming liquid membrane solution, made of 4 mass of sorbitanmonooleat and 1 mass of chloride tetraooctylammonium or trioctylamine in h= decane, in stirring exhausted phase. EFFECT: method is used for iron (III) extraction from exhausted solutions.
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