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2 153 526

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Application

99119741/04, 1999-09-15

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Start date

1999-09-15

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Actual filing date

1999-09-15

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Published

2000-07-27

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Inventor

Dmitrieva Z.T.Averina N.V.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

METHOD OF REFINING OF SPENT OILS Russian patent published in 2000 - IPC

Abstract RU 2153526 C1

FIELD: chemical industry. SUBSTANCE: spent oils are filtered through layer of adsorbent and sand at adsorbent: sand weight ratio ranging from 1: 0.5 to 1:50. Adsorbent includes charcoal or black coal or coke, or asbestos, or kaolin or silica gel. Dispersity of adsorbent particles varies from 160-250 mcm, dispersity of sand particles varies from 160 to 450 mcm. EFFECT: cheaper technology of refining oils due to additional treatment of oils and increased volume of adsorbent by 10-60 times. 3 cl, 38 ex, 1 tbl

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RU 2 153 526 C1

Authors

Dmitrieva Z.T.

Averina N.V.

Dates

2000-07-27—Published

1999-09-15—Filed

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