Low water content sulfur recovery process

Chemistry of inorganic compounds – Sulfur or compound thereof – Elemental sulfur

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55 23, C01B 1704

Patent

active

044735413

ABSTRACT:
Claus plant tail gas is treated to further reduce sulfur content by hydrogenating all sulfur compounds to hydrogen sulfide, pressurizing the resulting stream and cooling to reduce water content therein, and removing hydrogen sulfide from the resulting stream of reduced water content.

REFERENCES:
patent: 903353 (1908-11-01), Block
patent: 3752877 (1973-08-01), Beavon
patent: 3798316 (1974-03-01), Beavon
patent: 4310497 (1982-01-01), Deschamps et al.
patent: 4426369 (1984-01-01), Palm
patent: 4430317 (1984-02-01), Reed et al.
"BSR/Selectox I Sulfur Recovery Process For Claus Tail Gas Treating"--Beavon and Hass. 5th Canadian Symposium on Catalysis. 1977.
"Developments in Selectox Technology"--Beavon et al. 7th Canadian Symposium on Catalysis 1980.

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