Patent ID: 7261870

Claim:
A process for converting carbon monoxide (CO) to CO 2 , and for converting carbonyl sulfide (COS) to SO x where x is 2 or 3; comprising contacting a gaseous material that comprises CO and COS, and a gas comprising oxygen, with a catalyst selected from the group consisting of: (a) metal oxides comprising oxides of the fonnula, (Bi a Co b Ni c ) y Mo 1−y O z , where a, b and c are from 0 to 1, y is from 0.01 to 0.75 and z is from 1.125 to 4.875; (b) a xerogel or aerogel, comprising Au, Rh, Ru and Co in aluminum oxide/oxyhydroxide matrices, of the formula [(Au 1−(w+d) Rh w RU d ) e CO f AlO 1.5−u (OH) 2u ] 1−(e+f) , where w and d are from 0 to 1, e is from 0.001 to 0.2, f is from 0 to 0.2 and u is from 0 to 1.5; (c) composites comprising Au, Rh, Ru and Cr, and cerium oxide and lanthanum oxide of the formula (Au 1−(w+d) Rh w RU d ) e Cr f (Ce g La 1−g ) 1−(e+f) O v , where w and d are from 0 to 1, e is from 0.001 to 0.2, f is from 0 to 0.2, g is from 0 to 1 and v is from 1.1 to 2.4; and (d) a supported metal comprising at least one metal selected from the group consisting of Pd, Rh, and Ru, wherein said support is selected from the group consisting of alumina and carbon, wherein said metal is present from about 0.01 to 20 weight percent of the catalyst weight; at a temperature of from about 250° C. to about 500° C.