METHOD OF SEWAGE TREATMENT OF HYDROLYTIC-YEAST PRODUCTION Russian patent published in 1995 - IPC

Abstract RU 2046109 C1

FIELD: sewage treatment. SUBSTANCE: sewage were treated with cationic flocculant (20-25 mg/l) followed by two-stage biotreatment. At the first stage biotreatment is carried out by active slit under anaerobic conditions, and at the second stage under aerobic ones. Treatment is carried out at 34-36 C, pH 7.0-7.2 and at mass loading 18-20 kg ХПК/m³ per 24 hr. Method is used for treatment of spent cultural liquid of hydrolytic manufacture. EFFECT: improved method of sewage treatment. 2 tbl

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RU 2 046 109 C1

Authors

Amrani M.

Khol'Kin Ju.I.

Makarov V.L.

Dates

1995-10-20—Published

1992-07-10—Filed