Process for the production of sulfur from hydrogen sulfide using

Details Process for the production of sulfur from hydrogen sulfide using Process for the production of sulfur from hydrogen sulfide using

1986-02-24

1989-07-04

Doll, John

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423574L, C03B 1704, C01B 1705

Patent

active

048448818

ABSTRACT:
An improved process for sulfur recovery from a gaseous feed comprising hydrogen sulfide is disclosed. The gaseous feed is admixed with concentrated oxygen in a burner, where the hydrogen sulfide is partially converted to vaporous sulfur. The effluent from the burner is passed through a boiler, in which the temperature of the reaction mixture is reduced and steam co-generated. The effluent from the boiler is subsequently passed to a sulfur condensor, for recovering liquid sulfur, and then to a water condensor. The uncondensed gas is recycled to the burner. A portion of this gas is withdrawn from the recycle loop, pressurized, and routed to a scrubbing tower, where the residual sulfur compounds are further reacted and the gas cleaned. Condensate from the water condenser is also pumped into the scrubbing tower, where residual sulfur compounds are reacted and sulfur removed.

REFERENCES:
patent: 1925198 (1933-09-01), Melvill
patent: 3681024 (1972-08-01), Hujsak et al.
patent: 3822341 (1974-07-01), Smith
patent: 4552747 (1985-11-01), Goar

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