Method and composition for sweetening liquified petroleum gas

Details Method and composition for sweetening liquified petroleum gas Method and composition for sweetening liquified petroleum gas

C - Chemistry, Metallurgy

07

C

C07C 7/11 (2006.01) C10G 19/00 (2006.01) C10G 21/20 (2006.01) C10L 3/12 (2006.01)

Patent

CA 2186806

A method and composition for treating liquefied petroleum gas containing acid gases such as H2S, CO2, and COS to sweeten such liquefied petroleum gas by removal of a substantial portion of such acid gases while minimizing losses of amines due to solubility in LPG and enhancing CO2 slip, said method comprising contacting said liquefied petroleum gas with an absorbent mixture comprising an aqueous solution of TEA and at least another amine preferably selected from the group consisting of MEA, DEA, MDEA, DIPA, and mixtures thereof.

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