Acid gas absorbent, acid gas removal device, and acid gas removal method
AssigneeKabushiki Kaisha Toshiba
InventorsShinji Murai, Yukishige Maezawa, Yasuhiro Kato, Takehiko Muramatsu, Masatoshi Hodotsuka, Satoshi Saito
Life of this patent
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Abstract
An acid gas absorbent includes at least one kind of secondary amine compound represented by formula (1): where R1 is a cyclopentyl group or a cyclohexyl group which may be substituted by a substituted or non-substituted alkyl group having 1 to 3 carbon atoms, R2 and R3 each indicate an alkylene group having 2 to 4 carbon atoms, and R2 and R3 may each be the same or different, and be a straight chain or have a side chain.
Claims14
An acid gas absorbent comprising 45 mass % to 55 mass % of at least one secondary amine compound represented by general formula (1),
- where R1 indicates a cyclopentyl group which may be substituted by a substituted or non-substituted alkyl group having 1 to 3 carbon atoms, R2 and R3, which may be the same or different, each indicate an alkylene group having 2 to 4 carbon atoms and are a straight chain or have a side chain.
Dependencies are inferred from the claim text.