Sulfur-producing process and system for producing sulfur dioxide

Details Sulfur-producing process and system for producing sulfur dioxide Sulfur-producing process and system for producing sulfur dioxide

1974-04-12

1976-10-26

Carter, Herbert T.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

23278, C01B 1754

Patent

active

039884287

ABSTRACT:
Sulfur dioxide is formed by the combustion of elemental sulfur in two distinct stages wherein oxygen-containing gas in a quantity which is initially less than that stoichiometrically required for total combustion of the sulfur to sulfur dioxide and the sulfur-dioxide gases and residual elemental sulfur are thereupon passed through a heat exchanger and subjected to an afterburning with additional quantities of oxygen-containing gas. 70% to 95% of the total oxygen required for combustion of sulfur is supplied in the initial or combustion stage and the remainder (i.e. 30 to 5%) is supplied in the afterburning stage.

REFERENCES:
patent: 1289783 (1918-12-01), Hurt
patent: 1405669 (1922-02-01), Chase et al.
patent: 1629352 (1927-05-01), Merrian
patent: 1720742 (1929-07-01), Mullen
patent: 1863705 (1932-06-01), Weinberg
patent: 1954879 (1934-04-01), Leuerett
patent: 2622007 (1952-12-01), Allen, Jr.

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