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B01D 53/62 (2006.01); B01D 53/83 (2006.01); B01D 53/96 (2006.01); B01D 53/22 (2006.01); B01D 71/02 (2006.01); B01D 45/16 (2006.01); B04C 5/24 (2006.01); B04C 9/00 (2006.01);

U.S. Cl.

CPC ...

B01D 53/62 (2013.01); B01D 45/16 (2013.01); B01D 53/229 (2013.01); B01D 53/83 (2013.01); B01D 53/96 (2013.01); B01D 71/027 (2013.01); B04C 5/24 (2013.01); B04C 9/00 (2013.01); B01D 2251/306 (2013.01); B01D 2251/606 (2013.01); B01D 2253/112 (2013.01); B01D 2257/504 (2013.01); B01D 2258/0283 (2013.01);

Abstract

A carbon dioxide separator includes an absorption tower for producing a carbon dioxide-rich absorbent and a carbon dioxide-depleted flue gas by reaction of a carbon dioxide-containing flue gas and an absorbent contained therein; a regeneration tower for removing the carbon dioxide-rich absorbent transferred from the absorption tower in the presence of the flowing gas to separate the same into a carbon dioxide-rich treatment gas and a carbon dioxide-lean absorbent; and a separation membrane module for selectively membrane-separating and concentrating the carbon dioxide, wherein the carbon dioxide-containing flue gas is transferred to the absorption tower as a carbon dioxide-lean flue gas obtained via the separation membrane module, and the flowing gas is transferred to the regeneration tower as the carbon dioxide-rich flue gas obtained via the separation membrane module from the carbon dioxide-containing flue gas.

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