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2 181 108

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C2

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IPC

(21) (22)

Application

99110986/12, 1999-05-26

(24)

Start date

1999-05-26

(22)

Actual filing date

1999-05-26

(45)

Published

2002-04-10

(72)

Inventor

Serov V.A.Zasukhina L.V.Brovko O.S.

(73)

Holder

Institut Ehkologicheskikh Problem Severa Ural'Skogo Otdelenija Ran

METHOD OF LIBERATING AQUEOUS SOLUTIONS FROM SYNTHETIC SODIUM ALKYLBENZENESULFONATES Russian patent published in 2002 - IPC

Abstract RU 2181108 C2

FIELD: water treatment. SUBSTANCE: sodium alkylbenzenesulfonates polluting natural and waste waters are removed being precipitated with zinc salts in the form of water-insoluble complex associates with imidazole or its derivatives. When concentration of sodium alkylbenzenesulfonates is between 2,5 and 10.0 g/l, degree of their removal attains 92-94%. EFFECT: increased water purification degree. 2 cl, 2 tbl

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RU 2 181 108 C2

Authors

Serov V.A.

Zasukhina L.V.

Brovko O.S.

Dates

2002-04-10—Published

1999-05-26—Filed

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