Method of removing hydrogen sulfide from gases

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

1982-12-22

1984-02-14

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423224, 423578R, 423573G, B01D 5334

Patent

active

044316160

ABSTRACT:
An improved process for the removal of H.sub.2 S from sour gas streams in which the H.sub.2 S is converted to sulfur by a polyvalent metal chelate solution is disclosed, the process being characterized by the washing of the product sulfur with an aqueous wash solution, and recovery of the acid precursor of the chelating agent from the washing solution.

REFERENCES:
patent: 3068065 (1962-12-01), Hartley et al.
patent: 3226320 (1965-12-01), Meuly et al.
patent: 3933993 (1976-01-01), Solemme
patent: 4009251 (1977-02-01), Meuly
patent: 4091073 (1978-05-01), Winkler

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