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2 183 142

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IPC

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Application

99120938/13, 1999-10-04

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Start date

1999-10-04

(22)

Actual filing date

1999-10-04

(45)

Published

2002-06-10

(72)

Inventor

Loginov O.N.Kostjuchenko V.P.Komarov S.I.Silishchev N.N.Bojko T.F.Podtsepikhin A.K.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF RESTORING OIL-POLLUTED BLEACHING EARTH Russian patent published in 2002 - IPC

Abstract RU 2183142 C2

FIELD: oil pollution removal. SUBSTANCE: biodegradation of petroleum products in soil is activated by activated sludge taken from biological treatment plants and supplemented by oxygenated superphosphate compounds and hydrogen peroxide in amounts 6.4 and 11.3 wt.%, respectively. EFFECT: reduced level of residual oil (by a factor of 3 during 3 months), simplified procedure, and improved environmental condition. 6 tbl

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RU 2 183 142 C2

Authors

Loginov O.N.

Kostjuchenko V.P.

Komarov S.I.

Silishchev N.N.

Bojko T.F.

Podtsepikhin A.K.

Dates

2002-06-10—Published

1999-10-04—Filed