Patent ID: 6277345
Filing Date: 2001-08-21
Classification: B01D,Y02C

Abstract:
A process for purifying a gas by removal of gaseous, acidic impurities, comprising treating said gas with an absorption liquid, which consists essentially ofA) from 0.01 to 4% by weight of at least one compound of the formula ##STR4##B) from 0.001 to 8.0% by weight of water, andC) at least one polyalkylene glycol alkyl ether of the formulaR.sup.1 --O--(R.sup.2 --O).sub.x --R.sup.3to 100% by weight,whereR.sup.1 is C.sub.1 -C.sub.4 -alkyl,R.sup.2 is ethylene or 2-methylethylene,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.5 is C.sub.1 -C.sub.4 -alkylene andX is an integer from 1 to 10.