B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/356
B01D 19/00 (2006.01)
Patent
CA 1116835
SOLVENTS FOR ACIDIC GAS REMOVAL AND PROCESS THEREFOR ABSTRACT OF THE DISCLOSURE Disclosed is an improved process for removing carbon dioxide containing acidic gas from a normally gaseous mixture wherein the gaseous mixture is contacted with a liquid anhydrous solvent which physically absorbs said acidic gas but which is chemically unreactive with said acidic gas, said solvent being the reaction product of an alkylating agent and a solvent which is chemically reactive with said acidic gas for its removal from said mixture. The preferred solvent is selected from the group consisting of N,N-dialkylaminoalkanol, N,N-dialkoxyalkylaminoalkanol, N-alkyl-N-alkoxyalkylaminoalkanol, N,N-dialkylaminoalkyl- ether, N,N-dialkoxyalkylaminoalkylether, N-alkyl-N-alkoxy- alkylaminoalkylether, dialkyl carbonate, di(alkoxyalkyl) carbonate, mono-alkyl-moncalkoxyalkyl carbonate, and mixtures thereof.
356382
Columbia Gas System Service Corporation
George H. Riches And Associates
LandOfFree
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