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2 136 609

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Application

98100730/25, 1998-01-22

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Start date

1998-01-22

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Actual filing date

1998-01-22

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Published

1999-09-10

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Inventor

Khokhlova V.M.Shner V.F.Salov B.V.Shlezinger V.G.Mizina T.E.Komarova V.I.Mozol' N.I.

(73)

Holder

Gosudarstvennyj Nauchnyj Tsentr Rf

METHOD OF DECONTAMINATION OF SEWAGE CONTAINING AROMATIC AMINES Russian patent published in 1999 - IPC

Abstract RU 2136609 C1

FIELD: organic synthesis. SUBSTANCE: sewage is treated with sodium nitrite at 15-25 C, nitrated solution is filtered, filtrate is neutralized, diluted with water and subjected to biological purification with activated sludge. Method makes it possible to reduce concentration of aromatic amines in sewage to values significantly lower than permissible concentration values. EFFECT: more efficient decontamination method. 4 ex

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RU 2 136 609 C1

Authors

Khokhlova V.M.

Shner V.F.

Salov B.V.

Shlezinger V.G.

Mizina T.E.

Komarova V.I.

Mozol' N.I.

Dates

1999-09-10—Published

1998-01-22—Filed

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