Baker & Hostetler LLP
Dry carbon dioxide capturing device with multistage supply structure
Disclosed is a dry carbon dioxide capturing device which can improve sorption efficiency by supplying sorbent for absorbing carbon dioxide or exhaust gas containing carbon dioxide to a recovery reactor in multistages at various heights. The dry carbon dioxide (CO2) capturing device with multistage supply structure comprises a recovery reactor 102 to recover CO2 by contacting a solid sorbent with exhaust gas; a recovery cyclone 110 connected to the recovery reactor 102 to discharge a gas while separating the CO2-captured solid sorbent only; a regenerator 114 connected to the recovery cyclone 110 to receive the CO2-captured solid sorbent and separate CO2 captured in the solid sorbent; and a pre-treatment reactor 122 connected to the regenerator 114 for cooling the solid sorbent free from CO2, wherein at least one of the exhaust gas supply line and the sorbent supply line has two or more arranged according to the height of the recovery reactor 102. 
Korea Institute of Energy Research
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Jaehyeon Jong-Ho Sung-Ho Dowon Dal-Hee Ho-Jung Young Cheol Chang-Keun Gyoung Tae Seung-Yong Dong-Ho
Park Moon Jo Shun Bae Ryu Park Yi Jin Lee Lee