Patent ID: 8318114

Claim:
A process for reducing acidic contaminants in an industrial fluid stream, the process comprising: (A) contacting the fluid stream with a composition to form a washed fluid stream and an acid gas scrubbing liquid, the composition comprising: (a) at least one absorbent component having a general formula, including carbonates, bicarbonates, carbamates, ureas, and amides thereof, and salts thereof: (i) each R 1 is independently selected from the group consisting of: H, alkyl, and the following structure (A); (ii) R 2 is structure B, C, or D; (iii) each R 3 is an alkyl, wherein the alkyl for each occurrence of R 3 is independently selected; (iv) each R 4 and R 5 are independently H, alkyl, or structure A; (v) each m is independently an integer from 0 to 2; (vi) n is an integer from 2 to 6; (vii) each k is independently an integer from 0 to 2; and (viii) a solvent, and (B) regenerating at least a portion of the composition including at least a portion of the absorbent compound(s) from the acid gas scrubbing liquid.