Removal of acid gases from gas streams

Details Removal of acid gases from gas streams Removal of acid gases from gas streams

1985-10-31

1988-10-04

Doll, John

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423228, 423229, C01B 1716, C01B 3120

Patent

active

047755199

ABSTRACT:
Improvement are provided in accordance with the present invention by a continuous process for the treating of a gas stream containing acid gas components wherein the gas stream is counter currently contacted in an absorption zone with an aqueous solution of a mixture of N-methyldiethanolamine with imidazole or a methyl substituted imidazole to thereby provide for acid gas (e.g., CO.sub.2) absorption.

REFERENCES:
patent: 4336233 (1982-06-01), Appl et al.

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