FIELD: chemistry.
SUBSTANCE: invention relates to an aqueous solution of alkaneolamine, suitable for removal of acid gases from gaseous mixtures. Method of removing acid gases from gaseous mixture involves a step of bringing said gaseous mixture into contact with an aqueous solution of alkanolamine. Aqueous solution of alkanolamine consists of 2-dimethylamino-2-hydroxymethyl-1,3-propanediol, an acid with pKa of 8 or less, or an acid-forming compound capable of forming an acid in an aqueous medium with pKa of 8 or less, an additional amine compound and water.
EFFECT: efficient removal of acid gases from gaseous mixtures using a composition with reduced losses due to volatility.
8 cl, 4 dwg, 5 tbl
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Year |
Author |
Number |
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