Method of removing hydrogen sulfide from gases utilizing a polyv

Details Method of removing hydrogen sulfide from gases utilizing a polyv Method of removing hydrogen sulfide from gases utilizing a polyv

1982-09-30

1984-03-13

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423224, 423226, 204129, 204130, 204131, 429 17, 429 27, C01B 1704, B01D 5334

Patent

active

044367139

ABSTRACT:
A process for the removal of H.sub.2 S from sour gas streams is described, the process being characterized by the utilization of washing solutions containing oxidizing polyvalent metal chelates of nitrilotriacetic acid, and by the regeneration of the spent solutions in a fuel cell mode.

REFERENCES:
patent: 1034646 (1912-08-01), Rabenalt
patent: 2819950 (1958-01-01), Patton
patent: 3068065 (1962-12-01), Hartley et al.
patent: 3580950 (1971-05-01), Bersworth
patent: 3765946 (1973-10-01), Werner et al.
patent: 4091073 (1978-05-01), Winkler

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