Process for producing hydrogen from hydrogen sulphide in a gas fluidized bed reactor
OwnerLeo A. Behie, Dimitrios Berk +2inventors
InventorsLeo A. Behie, Dimitrios Berk, P. Raj Bishnoi, William Y. Svrcek
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Abstract
The present invention relates to a method of catalytic and thermochemical decomposition of hydrogen sulfide gas. A metal chemical catalyst, preferably comprised particularly of iron and other transition metals is employed in a gas fluidized bed reactor in which a substantially constant temperature is maintained to crack the hydrogen sulfide. The sulfur is bound chemically to the chemical catalyst and the hydrogen is sent to a transportation system for recovery. The chemical catalyst can be regenerated by raising the temperature in the gas fluidized bed.
Claims14
A method of producing hydrogen and sulfur from hydrogen sulfide gas comprising the steps of:
- (a) introducing hydrogen sulfide gas into a gas fluidized bed reactor containing at least one bed of a metal chemical catalyst;
- (b) maintaining said bed at a substantially constant operating temperature between 350.degree. C. and 550.degree. C. for a predetermined time whereby the hydrogen sulfide gas is cracked and the sulfur of said hydrogen sulfide is bound chemically to at least some of the particles of said metal chemical catalyst;
- (c) raising the temperature of the said bed for a predetermined time whereby said metal chemical catalyst is regenerated and said sulfur is exhausted from said reactor as sulfur gas.
Dependencies are inferred from the claim text.