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2 171 233

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IPC

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Application

2000126124/12, 2000-10-19

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Start date

2000-10-19

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Actual filing date

2000-10-19

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Published

2001-07-27

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Inventor

Schastlivtsev S.N.Gonchar A.V.Jushchenko A.S.Kuznetsov L.N.Kurdjumov G.M.Dunjashev B.Z.Bogacheva V.V.

(73)

Holder

Firma Trejding Limited"

INDUSTRIAL EFFLUENT TREATMENT PROCESS Russian patent published in 2001 - IPC

Abstract RU 2171233 C1

FIELD: waste water treatment. SUBSTANCE: invention, in particular, relates to industrial effluents containing alkali-earth and nonferrous (Cu, Zn, Ni, etc.) metals. Process involves addition of flocculant and carbonization of effluents. Flocculant is nonstoichiometric polyelectrolyte complex formed by cationic polyelectrolyte, namely polydimethyldiallylammonium fluoride, and anionic surfactant, namely sodium dodecylbenzenesulfonate. According to invention, prior to addition of flocculant (0.3 to 4 g per 1 cu. m of effluent), the whole effluent is subjected to continuous carbonization with carbon dioxide oriented at an angle toward industrial effluent stream. EFFECT: accelerated purification and increased degree of clarification. 2 cl, 2 tbl, 3 ex

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RU 2 171 233 C1

Authors

Schastlivtsev S.N.

Gonchar A.V.

Jushchenko A.S.

Kuznetsov L.N.

Kurdjumov G.M.

Dunjashev B.Z.

Bogacheva V.V.

Dates

2001-07-27—Published

2000-10-19—Filed