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

1984-04-17

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

044434235

ABSTRACT:
A process for the removal of H.sub.2 S from sour gas streams is disclosed, the process being characterized by the use of a washing or contacting solution containing oxidizing polyvalent metal chelates of specified aminocarboxylic acids, the electrolytic regeneration of spent solution, and the co-production of hydrogen. Provision is also made for selective absorption of CO.sub.2.

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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