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2 416 458

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(51)

IPC

B01D53/14(2006-01-01)

(21) (22)

Application

2009148258/05, 2009-12-24

(24)

Start date

2009-12-24

(22)

Actual filing date

2009-12-24

(45)

Published

2011-04-20

(72)

Inventor

Fakhrutdinov Revo ZiganshinovichZakiev Farit AdipovichGarifullin Rishat GusmanovichAminov Midekhat KhabirovichZajnullov Farid RasykhovichSultanov Al'Bert Khanifovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Im. V.D. Shashina

ABSORBENT FOR CLEANING GAS FROM HYDROGEN SULPHIDE AND CARBON DIOXIDE Russian patent published in 2011 - IPC B01D53/14

Abstract RU 2416458 C1

FIELD: chemistry.

SUBSTANCE: invention relates to gas, oil and chemical industry, particularly absorption purification of hydrocarbon gases from hydrogen sulphide and carbon dioxide. The absorbent contains polyalkanolethylene diamine of general formula: CH₃-CH(OH)-CH₂)_x-NH_(2-x)-CH₂-CH₂-NH_(2-y)-(CH₂-CH(OH)-CH₃)_y or (HO-CH₂-CH₂)_x-NH_(2-x)-CH₂-CH₂-NH_(2-y)-(CH₂-CH₂-OH)_y, where x= 1-2, y=0-1, and water, with components in the following ratio in wt %: alkanolamine 20-30; water - the rest.

EFFECT: invention increases absorption capacity of the absorbent with respect to hydrogen sulphide and carbon dioxide gas and also lowers the loss of the absorbent due to evaporation.

1 dwg, 3 tbl

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RU 2 416 458 C1

Authors

Fakhrutdinov Revo Ziganshinovich

Zakiev Farit Adipovich

Garifullin Rishat Gusmanovich

Aminov Midekhat Khabirovich

Zajnullov Farid Rasykhovich

Sultanov Al'Bert Khanifovich

Dates

2011-04-20—Published

2009-12-24—Filed