Abstract:
There are provided an acidic gas absorbing agent that is large in recovery amount of an acidic gas. The acidic gas absorbing agent comprising an amine compound represented by general formula (1), and an acidic gas removing method and an acidic gas removing apparatus using the absorbing agent: wherein R1 represents a cycloalkyl group having 3 to 6 carbon atoms; R2 represents an alkyl group having 1 to 3 carbon atoms or a hydrogen atom; R3 and R4 each independently represent an alkyl group having 1 to 3 carbon atoms or a hydrogen atom; and R5 represents an alkyl group having 1 to 3 carbon atoms.
Abstract translation:其中R1表示具有3〜6个碳原子的环烷基; R2表示碳原子数1〜3的烷基或氢原子; R 3和R 4各自独立地表示碳原子数1〜3的烷基或氢原子。 R 5表示碳原子数1〜3的烷基。
Abstract:
An acid gas absorbent according to an embodiment includes at least one kind of secondary amine compound represented by the following general formula (1). In the above-described formula (1), R1 indicates a cyclopenthyl group or a cyclohexyl group in which a part of a hydrogen atom 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.
Abstract:
An acid gas absorbent according to an embodiment includes at least one kind of amino acid salt represented by the following general formula (1). In the above-described formula (1), R1 indicates a cyclic alkyl group having 3 to 8 carbon atoms, R2 indicates a cyclic alkyl group having 3 to 8 carbon atoms, a chain alkyl group having 1 to 8 carbon atoms, or a hydrogen atom, R3 indicates a methylene group, an alkylene group having 2 to 4 carbon atoms, an alkylidene group having 2 to 4 carbon atoms, or a polymethylene group having 3 to 4 carbon atoms, and M indicates alkali metal.
Abstract:
An acid gas absorbent comprising at least one type of diamine compound represented by the following general formula (1), R1R2N—(CHR3)n—CH2—NR4R5 (1), where R1, R2, R4 and R5 represent any of: a cyclic alkyl group having carbon number from 3 to 6; an alkyl group having carbon number from 1 to 4; a hydroxyalkyl group; and a hydrogen atom, R3 represents any of: the hydrogen atom; a methyl group; and an ethyl group, “n” represents an integer number of 1 or 2, at least one of two amino groups is a secondary amino group, both of the two amino groups are groups other than a primary amino group.