Process for purifying gases from hydrogen sulphide

Details Process for purifying gases from hydrogen sulphide Process for purifying gases from hydrogen sulphide

1984-05-24

1985-05-28

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423231, 423573G, B01D 5336

Patent

active

045199922

ABSTRACT:
A process for purifying gases from hydrogen sulphide which comprises oxidation of hydrogen sulphide with air oxygen at a volume ratio between hydrogen sulphide to oxygen equal to 1:1-1.5 on a catalyst having the following composition, % by weight: titanium dioxide--10-30, iron oxide--20-30, zinc oxide--20-25, chromium oxide--20-50. The process is conducted at a temperature within the range of from 220.degree. to 260.degree. C. and at a space velocity of the gas mixture of from 3,000 to 15,000 hr.sup.-1.

REFERENCES:
patent: 3781445 (1973-12-01), Moss et al.
patent: 4088736 (1978-05-01), Courty et al.
patent: 4233276 (1980-11-01), D'Souza et al.
patent: 4313820 (1982-02-01), Farha, Jr. et al.
patent: 4363790 (1982-12-01), Anderson et al.
patent: 4399112 (1983-08-01), Voirin
patent: 4427576 (1984-01-01), Dupin

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