Process for purifying gases containing H.sub.2 S

Details Process for purifying gases containing H.sub.2 S Process for purifying gases containing H.sub.2 S

1973-12-05

1976-04-27

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

C01B 1704

Patent

active

039535860

ABSTRACT:
A process for purifying gases containing H.sub.2 S and preparing, at the same time, elementary sulfur which comprises dissolving H.sub.2 S from gases containing H.sub.2 S or H.sub.2 S and a small amount of SO.sub.2 in an organic solvent, reacting said solvent having H.sub.2 S dissolved therein with an organic solvent having SO.sub.2 dissolved therein under conditions to produce a precipitate of elemental sulfur in the organic solvent which also contains unreacted H.sub.2 S; separating the H.sub.2 S from the solvent and converting the H.sub.2 S to SO.sub.2 by oxidation and allowing a part of the recovered solvent to absorb SO.sub.2 which is returned to the process.

REFERENCES:
patent: 1900398 (1933-03-01), Jacobson
patent: 3103411 (1963-09-01), Fuchs
patent: 3793440 (1974-02-01), Schulze

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