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2 107 038

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C1

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IPC

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Application

96114873/25, 1996-07-23

(22)

Actual filing date

1996-07-23

(45)

Published

1998-03-20

(72)

Inventor

Sholokhova G.A.Gubeeva L.S.Mokhova N.L.Kudrjavtsev L.D.Molodyka A.V.Vorob'Ev E.V.Nenakhov V.S.

(73)

Holder

Voronezhskij Filial Gosudarstvennogo Predprijatija Institut Sinteticheskogo Kauchuka Im.Akad.S.V.Lebedeva"

METHOD OF TREATMENT OF SEWAGE WATERS TO REMOVE SURFACTANTS Russian patent published in 1998 - IPC

Abstract RU 2107038 C1

FIELD: membrane method of treatment of sewage waters to remove surfactants; applicable in oil refining, petrochemical and other industries. SUBSTANCE: method includes filtering of sewage waters by means of polymer filters in the presence of polyelectrolyte in form of polyethylene-polyamide with molecular weight of 260-400 amu or sulfomethylol salt of 2-methyl-5-vinyl-pyridine with molecular weight of (2.0-4.0)10106 amu with surfactant-polyelectrolyte ratio of 1:(0.1-0.02). Polymer filter is used in form of microfiltration membrane with pore diameter of 0.1-0.3 mcm. EFFECT: higher efficiency. 3 tbl

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RU 2 107 038 C1

Authors

Sholokhova G.A.

Gubeeva L.S.

Mokhova N.L.

Kudrjavtsev L.D.

Molodyka A.V.

Vorob'Ev E.V.

Nenakhov V.S.

Dates

1998-03-20—Published

1996-07-23—Filed

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