Patent ID: 8541622

Claim:
A scrubbing liquid composition for absorbing acidic contaminants from fluids in an industrial process, the composition comprising: (a) at least one absorbent component selected from the group consisting of: a component having a general formula: a carbonate thereof, a bicarbonate thereof, a carbamate thereof, a urea thereof, and amide thereof, and a salt thereof, wherein (i) R 1 is selected from the group consisting of: H and the following structure (A), (ii) R 2 is alkyl or aminoalkyl, (iii) R 6 , and R 11 are independently H, alkyl, or aminoalkyl; (iv) R 3 ,R 4 , R 5 , R 7 , R 8 , R 9 , and R 10 are H, (v) each m is independently 1 or 2, and each n is independently 0, 1, or 2, (vi) each o is independently 1 or 2, (vii) k is an integer from 2 to 6; and (b) a solvent.