Catalytic incineration of hydrogen sulfide from gas streams

Details Catalytic incineration of hydrogen sulfide from gas streams Catalytic incineration of hydrogen sulfide from gas streams

1977-04-15

1979-10-16

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423230, 423573G, C01B 1750, B01D 5334

Patent

active

041713478

ABSTRACT:
A process for the conversion of H.sub.2 S to SO.sub.2 in a feed gas containing H.sub.2 S is effected by oxidation with air or oxygen at temperatures between 300.degree. and 900.degree. F. The oxidation is conducted in the presence of an extremely stable oxidation catalyst comprising an oxide and/or sulfide of vanadium supported on a non-alkaline porous refractory oxide. The preferred catalyst comprises between 5 and 15 wt.% V.sub.2 O.sub.5 on hydrogen mordenite or alumina. Hydrogen, carbon monoxide, light hydrocarbons, and ammonia present in the feed gas are not oxidized. The invention is especially contemplated for use in treating waste gases from geothermal steam power plants.

REFERENCES:
patent: 2083894 (1937-06-01), Connolly
patent: 2083895 (1937-06-01), Connolly
patent: 3997655 (1976-12-01), Reh et al.
patent: 4048293 (1977-09-01), Renault et al.

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