Sulfur recovery process

Details Sulfur recovery process Sulfur recovery process

1982-03-01

1983-09-06

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423224, 423226, 423578R, C01B 1704, B01D 5334

Patent

active

044029306

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 gas is contacted with reactant solution containing specified reactant materials and a minor amount of a monoalcohol (C.sub.n H.sub.2n+1 OH, where n is 4 through 18) crystal modifier. The hydrogen sulfide is converted to sulfur, CO.sub.2 is absorbed to produce a purified gas stream, the reactant material is reduced, and good quality sulfur is produced. The process includes removal of the sulfur and regeneration of the reactant.

REFERENCES:
patent: 3068065 (1962-12-01), Hartley et al.
patent: 3099536 (1963-07-01), Arban 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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