Process for thermal conversion of hydrogen sufide to elemental s

Details Process for thermal conversion of hydrogen sufide to elemental s Process for thermal conversion of hydrogen sufide to elemental s

1992-06-29

1995-08-08

Langel, Wayne

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

4235741, 4235768, 423222, 423224, 4232421, C01B 1704, B01D 5348

Patent

active

054396646

ABSTRACT:
For the thermal conversion of hydrogen sulfide contained in a gaseous stream, the gaseous stream is introduced into a non-catalytic reactor together with sulfur dioxide obtained from a waste gas purification facility arranged downstream of the reactor. If necessary, the sulfur yield can be regulated by feeding additional fuel gas and/or reducing gas and/or process air into the reactor. The thus-produced vapor-phase sulfur is condensed out by cooling and is obtained as a product; the resultant gaseous stream extensively freed of sulfur compounds is discharged and fed into the aforesaid downstream waste gas purification facility.

REFERENCES:
patent: 3851050 (1974-11-01), Groenendaal et al.
patent: 4552747 (1985-11-01), Goar
patent: 4632819 (1986-12-01), Fischer et al.
patent: 4844881 (1989-07-01), Gens et al.
patent: 5028409 (1991-07-01), Gitman
patent: 5262135 (1993-11-01), Lell et al.
"W-L SO.sub.2 recovery" licensed to Davy McKee Hydrocarbon Processing; Apr. 1982; p. 122.

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