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2 064 900

(13)

C1

(51)

IPC

(21) (22)

Application

5024871/25, 1992-01-28

(22)

Actual filing date

1992-01-28

(45)

Published

1996-08-10

(72)

Inventor

Svinin P.A.Kopytov G.G.Chernabuk Ju.N.Zavadskij K.F.

(73)

Holder

Aktsionernoe Obshchestvo Aljuminievyj Zavod"

METHOD OF SEWAGE TREATMENT FROM ALUMINA PRODUCTION FROM BAUXITE Russian patent published in 1996 - IPC

Abstract RU 2064900 C1

FIELD: chemical technology of alumina production. SUBSTANCE: oil is absorbed with solid semifinished products of alumina production (soda, cake, aluminium hydroxide). Sewage were mixed with mother liquid to obtain volume of one evaporator unit, evaporated and oil-saturated condensate is fed to cake leaching followed by slime removal. Evaporated oil-containing condensate is fed to condensation and soda-precipitation and soda pulp after condensation is fed to bauxite caking. Method can be used for treatment of petroleum products (oils). EFFECT: enhanced effectiveness of treatment. 1 tbl, 1 dwg

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RU 2 064 900 C1

Authors

Svinin P.A.

Kopytov G.G.

Chernabuk Ju.N.

Zavadskij K.F.

Dates

1996-08-10—Published

1992-01-28—Filed

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