FIELD: chemical technology. SUBSTANCE: synnerite processing is carried out by its fusing with sodium chloride at ratio = 1.0:(1.3-1.4), respectively, at 1150-1200 C for 2 h. Formed melt of potassium-containing salt is separated from aluminosilicate slag. Extraction of $$$ to the salt phase is 90%. EFFECT: improved method of processing, increased extraction.
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