Patent ID: 8551435

Claim:
A process for reducing acidic contaminants in an industrial fluid stream, the process comprising: (I) contacting the fluid stream with a scrubbing liquid composition for absorbing acidic contaminants from fluids in an industrial process, the composition comprising: (a) at least one absorbent component having a general formula, including carbonates, bicarbonates, carbamates, ureas, and amides thereof and salts thereof: wherein o is 1 or 2, (i) R 1 is selected from the group consisting of: H, alkyl, aminoalkyl, and the following structure (A), wherein o is 0, 1 or 2, (ii) R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , and R 9 are independently H, alkyl, or aminoalkyl; wherein at least one of R 2 and R 3 is not H, (iii) each m, and n, is independently 0, 1, or 2, (iv) p and q are independently 0, 1, 2, 3, or 4; and (b) a solvent; (II) forming a washed fluid stream and a rich acid gas scrubbing liquid; and (III) regenerating at least a portion of the composition including at least a portion of the absorbent compound(s) from the rich acid gas scrubbing liquid.