摘要:
A process for capturing at least one of H2S and CO22 from a gaseous stream comprises treating the gaseous stream with an aqueous absorbent comprising a polyamine wherein the polyamine has at least one secondary amine has at least one alkyl substituent having an absence of amine groups.
摘要:
A process for removing acid gas from a gas stream utilizes a low viscosity absorbent comprising a solution of at least one selected amine. The absorbent may include (1) at least one polyamine in the absence of an effective amount of tertiary amine functionalities having a pKa sufficient to neutralize carbamic acid, wherein the polyamine has at least one primary amine functionality having a pKa of