FIELD: sewage treatment. SUBSTANCE: sewage containing organic substances were treated with aluminium salts at pH 4.5-5.0 and then with adsorbent. Peat aqueous suspension at pH 10-11 is used as adsorbent which is added to the sewage up to pH solution attainment 5.4-5.7. Formed precipitate is separated. Purification degree is about 92% EFFECT: increased purification of sewage. 2 tbl
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