FIELD: sewage treatment. SUBSTANCE: before electrolysis sewage are aerated up to Fe (II) content 40% (not more) of the total iron level. Electrolysis involves passage of water to be treated (up to 90% flow of total volume of sewage) through the cathode chamber at pH 7.0-8.5. EFFECT: simplified technology of treatment, enhanced output, decreased electric energy consumption. 1 dwg, 2 tbl
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