Composite amine absorption liquid
AssigneesMitsubishi Heavy Industries, Ltd., The Kansai Electric Power Co., Inc.
InventorsHiroshi Tanaka, Takuya Hirata, Tatsuya Tsujiuchi, Takuya Sugiura, Takashi Kamijo, Tetsu Ushiku, Tomoki Noborisato, Koji Higashino
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Abstract
A composite amine absorption liquid including (a) a diamine containing amino groups having different numbers of substituents, (b) a cyclic diamine containing amino groups having the same number of substituents, (c) a cyclic compound represented by Chemical Formula (1), and (d) water. The composite amine absorption liquid further including (e) a chain monoamine. (In the formula, R8 is hydrogen or a methyl group.)
Claims9
A composite amine absorption liquid that absorbs at least one of CO2 and H2S in a gas, the composite amine absorption liquid comprising:
- (a) a diamine containing amino groups having different numbers of substituents;
- (b) a cyclic diamine containing amino groups having the same number of substituents;
- (c) a cyclic compound represented by Chemical Formula (1);
- and
- (d) water,
- (in the formula, R8 is hydrogen or a methyl group).
Dependencies are inferred from the claim text.