METHOD OF SEWAGE TREATMENT Russian patent published in 1997 - IPC

Abstract RU 2085500 C1

FIELD: sewage treatment. SUBSTANCE: method involves sewage settling up to formation of resin and subresin fractions, removing resin fraction and addition of granulated acid adsorbent to subresin fraction. Acid adsorbent is obtained from clay minerals of laminated and laminated-band-shaped structure. Then adsorbent is subjected for neutralization and regeneration with ammonium carbonate solution and regeneration is carried out at pH = 9.0-10.0, at 30-40 C. EFFECT: improved method of sewage treatment. 2 tbl

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RU 2 085 500 C1

Authors

Bel'Chinskaja Larisa Ivanovna

Poslukhaev Nikolaj Ivanovich

Dates

1997-07-27—Published

1994-10-31—Filed