FIELD: waste water purification. SUBSTANCE: invention relates to automatization of waste water purification processes and may be used to purify chromium-containing waste water when developing reverse water supply system, purifying industrial drainage from heavy metals at galvanic plants, purifying mineral oils, and at electroplating enterprises. Complex of invention includes galvanocontroller, tanks, neutralizer, filter, input and output pipelines for water to be purified and purified water, respectively; reverse drainage pipeline, air-supply pipeline for galvanocoagulator; device to control and transport water and reverse drainage being purified; pH and redox meters for purified water; microprocessor controlling galvanocoagulator waste water intake; and device measuring concentration of heavy metals in purified water. EFFECT: enhanced efficiency of purification process. 2 cl, 1 dwg
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