CARBON DIOXIDE CAPTURE METHOD AND APPARATUS

WIPO Patent Application WO/2024/001062

A1

A carbon dioxide capture method and apparatus. According to the method, a coupling reactor (100) is used as a reactor, and the coupling reactor (100) comprises an upper absorption section (110) and a lower regeneration section (120). The method comprises: a gas to be treated is introduced into the absorption section (110) to contact with an absorption solution, so as to obtain rich liquor and a residual gas, wherein the residual gas is discharged from the top of the absorption section (110); the rich liquor flows down in the absorption section (110) to enter the regeneration section (120) and contact with a gasification agent in the regeneration section (120), so as to obtain carbon dioxide and lean liquor, wherein the carbon dioxide is discharged from the top of the regeneration section (120), and the lean liquor returns to the absorption section (110) for recycling. According to the method, mutual material supply in two reaction processes, i.e., absorption and regeneration, is realized.

ZHAO XINGLEI (CN)
LIU SHUANGXING (CN)
XUE MING (CN)
LI XINGCHUN (CN)
YANG SHUGANG (CN)
ZHANG XIAOFEI (CN)
CHEN HONGKUN (CN)

PCT/CN2022/138490

January 04, 2024

December 12, 2022

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CHINA NAT PETROLEUM CORP (CN)
CNPC RESEARCH INSTITUTE OF SAFETY AND ENVIRONMENTAL TECH CO LTD (CN)

B01D53/14; B01D53/18; B01D53/78; C01B32/50

CN110115913A	2019-08-13
CN201940151U	2011-08-24
CN202605989U	2012-12-19
US20090293722A1	2009-12-03
US20210291108A1	2021-09-23
CN208493731U	2019-02-15
CN103097000A	2013-05-08
CN205868002U	2017-01-11

LEADER PATENT & TRADEMARK FIRM (CN)

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