Patent ID: 8765088
Filing Date: 2014-07-01
Classification: B01D,C10L,Y02C

Abstract:
1. An absorbent solution for absorbing acid compounds of a gaseous effluent, said solution comprising: a) at least one amine, b) water, c) at least one degradation inhibiting compound for limiting the degradation of said amine, the degradation inhibiting compound having the following general formula: wherein X is selected from the group consisting of a hydrogen atom, a hydrocarbon group containing 1 to 20 carbon atoms, a hydrocarbon group containing between 1 and 20 carbon atoms and including at least one heteroatom, an alkaline element, an alkaline-earth element, a monovalent metal, a multivalent metal, and an ammonium, wherein: y ranges between 1 and 4, n ranges between 0 and 4, and wherein the solution comprises between 10 wt. % and 80 wt. % amine, between 10% and 90% water, and between 5 ppm and 5 wt. % degradation inhibiting compound.