Patent ID: 9005561
Filing Date: 2015-04-14
Classification: B01D,B01J,C01B,C10L,Y02C,Y02P,Y10T

Abstract:
1. A cyclic process for selectively separating H 2 S from a feed gas mixture comprising CO 2 and H 2 S, which process comprises: a) contacting the feed gas mixture under sorption conditions with a non-aqueous sorbent comprising a basic non-protogenic, tertiaryaminosiloxane compound grafted onto a mesoporous solid oxide having surface silanol groups selected from MCM-41, MCM-48, SBA-1, SBA-2, SBA-3, SBA-15, KIT-1, KIT-5, KIT-6, and combinations thereof, which sorbent reacts with at least a portion of the H b) sorbing the H c) subjecting the adsorbent to desorption conditions by which at least a portion of the sorbed H d) retrieving an H