Removal of H.sub.2 S from gaseous streams

Details Removal of H.sub.2 S from gaseous streams Removal of H.sub.2 S from gaseous streams

1983-12-20

1985-05-07

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423221, 423223, 423224, 423226, 423573R, 23293S, 252189, 252192, B01D 5334, C01B 1705

Patent

active

045157642

ABSTRACT:
A cyclic process and composition for the removal of hydrogen sulfide from a variety of gas streams is disclosed. The gas stream containing the sour gases is contacted with a specified reactant solution and a combination crystal modifier of phosphate and thiosulfate ions. The hydrogen sulfide is converted to sulfur, and the reactant is reduced. The process includes sulfur removal and regeneration of the reactant.

REFERENCES:
patent: 3068065 (1972-12-01), Hartley et al.
patent: 3933993 (1976-01-01), Salemme
patent: 4009251 (1977-02-01), Meuly
patent: 4356155 (1982-10-01), Blytas et al.
patent: 4382918 (1983-05-01), Diaz
patent: 4421733 (1983-12-01), Blytas

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