N-aminoalkyl alkylpiperazine promoted acid gas scrubbing...

Details N-aminoalkyl alkylpiperazine promoted acid gas scrubbing... N-aminoalkyl alkylpiperazine promoted acid gas scrubbing...

C - Chemistry, Metallurgy

07

D

252/30, 23/356,

C07D 241/04 (2006.01) B01D 47/00 (2006.01) B01D 53/14 (2006.01)

Patent

CA 1230121

ABSTRACT OF THE DISCLOSURE The present invention relates to an alkaline salt promoter system which includes an N-aminoalkyl alkylpiperazine, preferably the compound 1-(3-amino- propyl)-2,5-dimethylpiperazine (APDP), an alkali metal salt or hydroxide (e.g., K2 CO3) and water. These scrubbing compositions may be used for removing CO2 from gaseous streams containing CO2.

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