Patent ID: 8511113

Claim:
A process for the separation of CO 2 from a gaseous feed stream, comprising the steps of: a) cooling a porous body in the form of a fixed bed to a temperature in the range of from −200° C. to −100° C. to obtain a cold body, said cold body having a surface with a specific surface area of from 1000 to 100000 m 2 /m 3 ; b) contacting a gaseous feed stream comprising CO 2 and one or more other gaseous compounds with the surface of the cold body to obtain a porous body comprising solid CO 2 and a CO 2 -depleted effluent gas; and c) removing the solid CO 2 by exposing the porous body comprising solid CO 2 to a fluid CO 2 stream having a temperature above the sublimation temperature of CO 2 whereby fluid CO 2 and a warm porous body are obtained.