FIELD: electrochemical treatment of solutions. SUBSTANCE: sewage containing suspended particles is left for sedimentation. Then it is filtered through granulated graphite material placed between cathode and anode at 200-400 m-1, deg. of arc. Density of current should be maintained between 20 and 50 a per sq m. After the above electrical-filtration treatment, the solution obtained should be kept for settlement before being drained. EFFECT: higher efficiency. 2 dwg, 2 tbl
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