Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1979-03-05
1980-12-09
Nozick, Bernard
Gas separation
Means within gas stream for conducting concentrate to collector
55 68, B01D 1900
Patent
active
042382068
ABSTRACT:
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-dialkylaminoalkylether, N,N-dialkoxyalkylaminoalkylether, N-alkyl-N-alkoxyalkylaminoalkylether, dialkyl carbonate, di(alkoxyalkyl) carbonate, mono-alkyl-monoalkoxyalkyl carbonate, and mixtures thereof.
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Columbia Gas System Service Corporation
Millard Sidney W.
Nozick Bernard
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