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(19)

RU

(11)

2 072 886

(13)

C1

(51)

IPC

(21) (22)

Application

5010761/26, 1992-01-23

(22)

Actual filing date

1992-01-23

(45)

Published

1997-02-10

(72)

Inventor

Karlo Reskalli[It]Antonio Pachifiko[It]Ugo Melis[It]

(73)

Holder

Snamprogetti S.P.A.Ehniricherke S.P.A.

METHOD OF REMOVING CARBON DIOXIDE AND/OR SULFUR DIOXIDE FROM GAS MIXTURES Russian patent published in 1997 - IPC

Abstract RU 2072886 C1

FIELD: gas purification. SUBSTANCE: CO2 and/or SO2- containing gases are subjected to absorption with 35-55 wt % dimethylethanolamine aqueous solutions mixed with a promoter - reaction product of formaldehyde with one or more polyalkylenepolyamines. Exhausted solution is further desorbed. EFFECT: enhanced efficiency. 2 cl, 1 tbl

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RU 2 072 886 C1

Authors

Karlo Reskalli[It]

Antonio Pachifiko[It]

Ugo Melis[It]

Dates

1997-02-10—Published

1992-01-23—Filed

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