Dual combustion oxygen-enriched claus sulfur plant

Details Dual combustion oxygen-enriched claus sulfur plant Dual combustion oxygen-enriched claus sulfur plant

1986-10-03

1988-10-25

Doll, John

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

C01B 1704

Patent

active

047803053

ABSTRACT:
The thermal oxidation or combustion step of the modified Claus process is split into two combustion steps with intermediate cooling of the products of combustion from the first combustion step in order to limit the combustion zone flame temperature to less than 3600.degree. F. when using an oxygen rich feed containing more than 30 percent oxygen in order to complete the partial oxidation of the sulfur producing by modified Claus reactions:

REFERENCES:
patent: 1984971 (1934-12-01), Herold et al.
patent: 2760848 (1956-08-01), Dunning
patent: 3637352 (1972-01-01), Bratzler et al.
patent: 4038036 (1977-07-01), Beavon
Chemistry, Bailar, Jr. et al, Academic Press, 1978, pp. 420-421.

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