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2 400 526

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(51)

IPC

C10G53/04(2006-01-01)

C10G53/14(2006-01-01)

(21) (22)

Application

2009134028/04, 2009-09-10

(24)

Start date

2009-09-10

(22)

Actual filing date

2009-09-10

(45)

Published

2010-09-27

(72)

Inventor

Nigmatullin Rishat GajazovichNigmatullin Vil' RishatovichNigmatullin Il'Shat RishatovichKostenkov Dmitrij MikhajlovichNadyrgulova Guzel' RazhapovnaSharipov Ajrat Khajdarovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

OIL FRACTION PURIFICATION METHOD Russian patent published in 2010 - IPC C10G53/04 C10G53/14

Abstract RU 2400526 C1

FIELD: oil and gas industry.

SUBSTANCE: there is described oil fractions purification method by their being treated with selective solvent - N-methylpyrrolidone, phenol, furfurol or acetone. Method involves pre-oxidation with hydrogen peroxide in presence of vegetable oil - rape-seed or castor oil as a catalyst.

EFFECT: decreasing toxicity, improving stability, corrosion protection and wear preventive properties of oils.

2 cl, 3 tbl, 3 ex

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RU 2 400 526 C1

Authors

Nigmatullin Rishat Gajazovich

Nigmatullin Vil' Rishatovich

Nigmatullin Il'Shat Rishatovich

Kostenkov Dmitrij Mikhajlovich

Nadyrgulova Guzel' Razhapovna

Sharipov Ajrat Khajdarovich

Dates

2010-09-27—Published

2009-09-10—Filed