Method of scrubbing acid gases from gas mixtures

Details Method of scrubbing acid gases from gas mixtures Method of scrubbing acid gases from gas mixtures

1979-09-10

1981-07-21

Nozick, Bernard

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

55 48, 55 54, 55 68, 55 73, C01B 1716

Patent

active

042798728

ABSTRACT:
A process for scrubbing acid gases, especially carbon dioxide, from gas mixtures with an aqueous amine solution serving as the scrubbing liquid in which hexamethylene diamine serves as the amine. The concentration of the hexamethylene diamine in the aqueous solution is 5 to 40% by weight, preferably 25 to 35% by weight.

REFERENCES:
patent: Re18958 (1933-09-01), Bottoms
patent: 3653810 (1972-04-01), Bratzler
patent: 4094957 (1978-06-01), Sartori et al.
Butwell et al.--Corrosion Control in CO.sub.2 Removal Systems--Chem. Engr. Progress, vol. 69, No. 2, Feb. 73, pp. 57-61.

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