Regenerative CO.sub.2 absorbent

Details Regenerative CO.sub.2 absorbent Regenerative CO.sub.2 absorbent

1980-02-25

1981-08-25

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423226, B01D 5334

Patent

active

042859182

ABSTRACT:
Acid gases, such as CO.sub.2, can be extracted from a gaseous feed stream by contacting the exhausted inlet gas with an aqueous solution of 3-amino-1,2 propanediol, separating the regenerated feed stream from the aqueous amine solution and the acid gases dissolved therein, and further separating these dissolved acid constituents from the diol solution; finally, repeating the above cycle indefinitely.

REFERENCES:
patent: 2174242 (1939-09-01), Haas et al.
patent: 3387917 (1968-06-01), Walles et al.
patent: 3502428 (1970-03-01), Gelbein et al.
patent: 3632519 (1972-01-01), Gustafson
Sowden et al., ".intg.-Glycidol", Journal of the American Chemical Society, ol. 64, Jun. 1942, pp. 1291-1293.

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