FIELD: chemistry.
SUBSTANCE: invention relates to the technology of purifying waste water from copper ions by sorption. Method involves treatment of waste water with a sorbent in form of gypsum modified with potassium iodide crystals. Cleaning is carried out by settling water in presence of ready gypsum articles with size of 20 × 20 × 20 mm.
EFFECT: reduced consumption of sorbent due to simplification of cleaning process.
1 cl, 1 tbl
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