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|1. (WO2017057179) ABSORBENT LIQUID FOR CO2 AND/OR H2S, AND APPARATUS AND METHOD USING SAME|
|Applicants:||MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
THE KANSAI ELECTRIC POWER CO., INC.
|Title:||ABSORBENT LIQUID FOR CO2 AND/OR H2S, AND APPARATUS AND METHOD USING SAME|
The present invention provides: an absorbent liquid for CO2 and/or H2S, which is capable of reducing the amount of reboiler heat when the absorbent liquid is recycled; and an apparatus and a method, which use this absorbent liquid. An absorbent liquid according to the present invention absorbs CO2 and/or H2S in a gas, and contains, as constituents, (a) a secondary linear monoamine, (b1) a tertiary linear monoamine or (b2) a hindered primary monoamine, and (c) a secondary cyclic diamine. The concentrations of these constituents are less than 30% by weight.