Desulfurization process for hydrogen sulfide containing gases

Details Desulfurization process for hydrogen sulfide containing gases Desulfurization process for hydrogen sulfide containing gases

1982-08-16

1984-11-20

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, C01B 1705

Patent

active

044838433

ABSTRACT:
A desulfurization process for hydrogen sulfide-containing gases, which comprises contacting an alkaline aqueous medium containing a naphthoquinone sulfonate, a water-soluble compound of at least one polyvalent metal selected from the group consisting of iron, manganese, vanadium and copper, and a water-soluble high molecular compound having weight-average molecular weight of from 300 to 50,000 with a hydrogen sulfide-containing gas thereby causing the hydrogen sulfide in said gas to be absorbed by said aqueous medium and subsequently contacting said aqueous medium now containing the absorbed hydrogen sulfide with a molecular oxygen-containing gas thereby separating elementary sulfur from said hydrogen sulfide.

REFERENCES:
patent: 4002727 (1977-01-01), Sonoda et al.
patent: 4292293 (1981-09-01), Johnson et al.

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