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2 085 511

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IPC

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Application

93021692/25, 1993-04-26

(22)

Actual filing date

1993-04-26

(45)

Published

1997-07-27

(72)

Inventor

Kravtsov E.E.Bajazitova A.I.Shkodin N.V.Grigor'Ev V.A.Shkola E.V.Vasketsov A.A.Bakunov V.V.Shtogrin D.G.

(73)

Holder

Kravtsov Evgenij Evgen'Evich

METHOD OF SEWAGE TREATMENT FROM HEAVY METAL IONS Russian patent published in 1997 - IPC

Abstract RU 2085511 C1

FIELD: sewage treatment. SUBSTANCE: method involves addition of 1-methyl-2-mercaptoimidazole at concentration 100-120 mg/l at pH = 8-13.5. Method can be used for effective sewage treatment from ions of Cu, Zn, Ni, Co, Sn, Cd and Hg. EFFECT: enhanced effectiveness of treatment. 2 cl

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RU 2 085 511 C1

Authors

Kravtsov E.E.

Bajazitova A.I.

Shkodin N.V.

Grigor'Ev V.A.

Shkola E.V.

Vasketsov A.A.

Bakunov V.V.

Shtogrin D.G.

Dates

1997-07-27—Published

1993-04-26—Filed

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