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2 006 491

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IPC

(21) (22)

Application

4907179/26, 1990-12-13

(22)

Actual filing date

1990-12-13

(45)

Published

1994-01-30

(72)

Inventor

Drachikova E.S.Atamanova A.E.Bukhtina L.A.Imamova A.A.

(73)

Holder

Drachikova Evgenija SergeevnaAtamanova Alevtina Evgen'EvnaBukhtina Ljubov' AleksandrovnaImamova Al'Fija Agzamovna

METHOD OF CONDITIONING PRECIPITATE OF SEWAGE Russian patent published in 1994 - IPC

Abstract RU 2006491 C1

FIELD: conditioning precipitate of sewage. SUBSTANCE: method is carried out mainly by aerobic stabilization and/or by treatment with reagent. Samples of conditioned precipitate are filtered. If optical density decreases to 0.45-0.001 then precipitate has water-repellent ability. EFFECT: improves efficiency of the method. 2 cl

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RU 2 006 491 C1

Authors

Drachikova E.S.

Atamanova A.E.

Bukhtina L.A.

Imamova A.A.

Dates

1994-01-30—Published

1990-12-13—Filed