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(19)

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2 269 567

(13)

(51)

IPC

C10G29/20(2006-01-01)

C10G27/04(2006-01-01)

(21) (22)

Application

2004120224/04, 2004-07-01

(24)

Start date

2004-07-01

(22)

Actual filing date

2004-07-01

(45)

Published

2006-02-10

(72)

Inventor

Shakirov Foat GafievichMazgarov Akhmet MazgarovichGarifullin Rishat GusmanovichVil'Danov Azat FaridovichSalin Valerij NikolaevichKhrushcheva Irina Konstantinovna

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Respubliki Tatarstan Vserossijskij Nauchno-Issledovatel'Skij Institut Uglevodorodnogo Syr'Ja Rt Vniius)

METHOD OF PURIFYING CRUDE OIL TO REMOVE HYDROGEN SULFIDE AND MERCAPTANS WITH ABSORBENT SOLUTIONS Russian patent published in 2006 - IPC C10G29/20 C10G27/04

Abstract RU 2269567 C1

FIELD: crude oil treatment.

SUBSTANCE: to remove hydrogen sulfide and mercaptans, 3-30% solution of urotropin in technical-grade formalin or in formalin/aqueous ammonia is added to crude material in amounts corresponding to 0.8-3.5 mole formaldehyde and 0.009-0.3 mole urotropin per 1 mole hydrogen sulfide and mercaptan sulfur. Reaction is carried out at 15 to 70°C. Method is applicable for oil and gas production and petroleum processing industries.

EFFECT: reduced consumption of reagents at high degree of purification of raw material.

5 cl, 3 tbl

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RU 2 269 567 C1

Authors

Shakirov Foat Gafievich

Mazgarov Akhmet Mazgarovich

Garifullin Rishat Gusmanovich

Vil'Danov Azat Faridovich

Salin Valerij Nikolaevich

Khrushcheva Irina Konstantinovna

Dates

2006-02-10—Published

2004-07-01—Filed