Desulfurization of H.sub.2 S containing gas streams with product

Details Desulfurization of H.sub.2 S containing gas streams with product Desulfurization of H.sub.2 S containing gas streams with product

1981-08-14

1982-12-14

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423573R, B01D 5304

Patent

active

043637906

ABSTRACT:
A process is disclosed for desulfurization of gas streams by which reduced sulfur compound, such as H.sub.2 S, is reacted with solid sulfur removal metal oxide compound which is an oxide of chromium, combination of zinc and chromium, combination of zinc and aluminum and mixtures thereof at about 400.degree. to about 1600.degree. F. producing sulfided sulfur removal compound followed by regeneration of the sulfided compound by contact with oxygen containing gas at temperatures about 1400.degree. to about 2400.degree. F. to regenerate the sulfur removal metal oxide compound with at least 10 weight percent of the sulfur removed being in the form of elemental sulfur. The process does not consume valuable fuels, such as coke or fuel gases, and provides an environmentally acceptable off-gas with reduced amounts of SO.sub.x.

REFERENCES:
patent: 2259400 (1941-10-01), Wenzel et al.
patent: 2551905 (1951-05-01), Robinson
patent: 2772945 (1956-12-01), Dunning et al.
patent: 4008174 (1977-02-01), Jacobson et al.
patent: 4088736 (1978-05-01), Courty et al.
patent: 4263020 (1981-04-01), Eberly, Jr.

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