Method of removing hydrogen sulfide from gases

Details Method of removing hydrogen sulfide from gases Method of removing hydrogen sulfide from gases

1981-05-26

1982-09-07

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423224, 423573G, B01D 5334, C01B 1704

Patent

active

043483682

ABSTRACT:
A cyclic process for the removal of hydrogen sulfide, and carbon dioxide, from a variety of gas streams is disclosed. The gas stream containing the sour gases is contacted with an aqueous solution of specific reactant materials, optionally in an absorbent, containing specific dialcohols for reaction rate improvement. The hydrogen sulfide is converted to sulfur, CO.sub.2 may be absorbed to produce a purified gas stream, and the reactant material is reduced. The process includes sulfur removal and regeneration of the reactant.

REFERENCES:
patent: 2881047 (1959-04-01), Townsend
patent: 3068065 (1962-12-01), Hartley et al.
patent: 3580950 (1971-05-01), Bersworth
patent: 3933993 (1976-01-01), Salemme
patent: 4009251 (1977-02-01), Meuly
patent: 4091073 (1978-05-01), Winkler

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