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1. (WO2017057179) ABSORBENT LIQUID FOR CO2 AND/OR H2S, AND APPARATUS AND METHOD USING SAME

Pub. No.:    WO/2017/057179    International Application No.:    PCT/JP2016/077987
Publication Date: Fri Apr 07 01:59:59 CEST 2017 International Filing Date: Sat Sep 24 01:59:59 CEST 2016
IPC: B01D 53/14
B01D 53/52
B01D 53/62
B01D 53/78
Applicants: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.
三菱重工エンジニアリング株式会社
THE KANSAI ELECTRIC POWER CO., INC.
関西電力株式会社
Inventors: TANAKA, Hiroshi
田中 裕士
HIRATA, Takuya
平田 琢也
KONDO, Masami
近藤 正實
KAMIJO, Takashi
上條 孝
TSUJIUCHI, Tatsuya
辻内 達也
Title: ABSORBENT LIQUID FOR CO2 AND/OR H2S, AND APPARATUS AND METHOD USING SAME
Abstract:
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.