Patent ID: 7776138
Filing Date: 2010-08-17
Classification: B01D,C01B,Y10S

Abstract:
1. A process comprising; a) contacting a gas stream comprising H b) contacting said mixed gas stream with a sorbent in a sorption zone to produce a first product gas stream and a sulfur laden sorbent, wherein said sorbent comprises a zinc-containing compound, silica, and a promoter metal; c) drying at least a portion of said sulfur-laden sorbent to thereby provide a dried sulfur-laden sorbent; d) contacting at least a portion of said dried sulfur laden sorbent with a regeneration gas stream in a regeneration zone to produce a regenerated sorbent comprising a zinc-containing compound, a silicate, and a promoter metal, and an off-gas stream; e) returning said regenerated sorbent to said sorption zone to provide a renewed sorbent comprising zinc, silica, and a promoter metal; and f) contacting said renewed sorbent with said mixed gas stream in said sorption zone to form a second product gas stream and a sulfur laden sorbent.