发明名称 |
CARBON DIOXIDE ABSORBER AND CARBON DIOXIDE SEPARATION/RECOVERY METHOD USING THE ABSORBER |
摘要 |
The present invention provides a carbon dioxide absorber capable of efficiently and stably removing carbon dioxide in a gas or solution. This carbon dioxide absorber contains an amine compound, a weakly acidic compound and water, the pKb value of the amine compound in an aqueous solution at 30°C is 4.0 to 7.0, the pKa value of the weakly acidic compound in an aqueous solution at 30°C is 7.0 to 10.0, and the weakly acidic compound is present in an amount within the range of 0.01 equivalents to 1.50 equivalents with respect to amino groups of the amine compound. |
申请公布号 |
CA2901681(A1) |
申请公布日期 |
2012.12.13 |
申请号 |
CA20122901681 |
申请日期 |
2012.06.08 |
申请人 |
ASAHI KASEI KABUSHIKI KAISHA |
发明人 |
FUJIMOTO, NORIKAZU;HATTORI, KYOUHEI;YAMAGUCHI, FUMIHIKO |
分类号 |
B01D53/62;B01D53/14;B01D53/18;B01D53/96 |
主分类号 |
B01D53/62 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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