Method for producing elemental sulfur from sulfur-containing gas

Details Method for producing elemental sulfur from sulfur-containing gas Method for producing elemental sulfur from sulfur-containing gas

1993-03-30

1994-11-22

Russel, Jeffrey E.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

4235741, 423576, 4235768, B01D 5336, C01B 1702

Patent

active

053667174

ABSTRACT:
A method for producing elemental sulfur and reduced/oxidized sulfur compounds from sulfur containing gases. The method comprises mixing a primary gas stream of sulfur-containing gases with a secondary gas stream to produce a combined gas stream having a preselected stoichiometry and contacting the combined gas stream with a sorbent/catalyst. The sorbent/catalyst is selected form the group consisting of silica, alumina, and other Claus-type catalysts, sodium/alumina, zinc ferrite, zinc titanate, and other mixed metal oxides, and mixtures thereof.

REFERENCES:
patent: 3931390 (1976-01-01), Palilla et al.
patent: 4280990 (1981-07-01), Jagodzinski et al.
patent: 4608363 (1986-08-01), Goodboy
Gangwal et al., "Sorbert-Based Recovery of Sulfur From Regeneration Tail Gases", ACS, Div. Fuel Chem., vol. 33, No. 1, Jun. 5-10, 1988, pp. 306-309.

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