Production of sulfur from a H.sub.2 S-bearing gas stream

Details Production of sulfur from a H.sub.2 S-bearing gas stream Production of sulfur from a H.sub.2 S-bearing gas stream

1982-12-09

1984-10-30

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423222, 423223, 423243, C01B 1705

Patent

active

044799292

ABSTRACT:
A process for reacting the H.sub.2 S in H.sub.2 S-bearing gas streams with SO.sub.2 in a solvent to produce elemental sulfur, including the steps of oxidizing approximately 1/3 of the H.sub.2 S in the stream to SO.sub.2, absorbing that SO.sub.2 with a dialkyl alkyl phosphonate absorbent and reacting that SO.sub.2 with the remaining H.sub.2 S from the stream in the presence of the phosphonate solvent, thereby forming elemental sulfur and water.

REFERENCES:
patent: 2881047 (1959-04-01), Townsend
patent: 3793440 (1974-02-01), Schulze
patent: 4107269 (1978-08-01), Russarle et al.

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