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(19)

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2 315 085

(13)

(51)

IPC

C10M175/02(2006-01-01)

C10G25/00(2006-01-01)

(21) (22)

Application

2005110478/04, 2005-04-11

(24)

Start date

2005-04-11

(22)

Actual filing date

2005-04-11

(45)

Published

2008-01-20

(72)

Inventor

Pisareva Svetlana IvanovnaKamenchuk Jana AleksandrovnaSirotkina Ekaterina Egorovna

(73)

Holder

Institut Khimii Nefti Sibirskogo Otdelenija Rossijskoj Akademii Nauk

METHOD FOR TREATMENT OF DEPLETED MINERAL OILS Russian patent published in 2008 - IPC C10M175/02 C10G25/00

Abstract RU 2315085 C2

FIELD: chemical technology.

SUBSTANCE: method involves filtration of depleted mineral oils through a mixture of Fe³⁺oxide and sand taken in the weight ratio sand : Fe³⁺ oxide = 1:(0.5-1.0). Method provides enhancing degree of purification of depleted mineral oils.

EFFECT: improved method of treatment.

1 tbl, 8 ex

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RU 2 315 085 C2

Authors

Pisareva Svetlana Ivanovna

Kamenchuk Jana Aleksandrovna

Sirotkina Ekaterina Egorovna

Dates

2008-01-20—Published

2005-04-11—Filed