Process for the manufacture of hydrogen sulfide

Details Process for the manufacture of hydrogen sulfide Process for the manufacture of hydrogen sulfide

1991-10-16

1992-12-22

Straub, Gary P.

Chemistry of inorganic compounds

Sulfur or compound thereof

Binary compound

423564, 423565, C01B 1716

Patent

active

051732858

ABSTRACT:
The present invention relates to a process for the manufacture of hydrogen sulfide by reacting sulfur and hydrogen which comprises two hydrogenation reactions. The first hydrogenation reaction of the present invention comprises the steps of supplying hydrogen gas in a reactor containing sulfur at least a part of which is in a liquid phase at a temperature of not lower than 250.degree. C., and reacting the liquid sulfur and the hydrogen gas to produce a crude hydrogen sulfide effluent gas in the reactor. The sulfur vapor contained in the effluent gas is further reacted with fleshly added hydrogen gas in the second hydrogenation reaction to further concentrate the resulting hydrogen sulfide.

REFERENCES:
patent: 1700578 (1929-01-01), Bacon
patent: 2214859 (1940-09-01), Maude et al.
patent: 2474066 (1949-06-01), Preisman et al.
patent: 2876070 (1959-03-01), Roberts
patent: 2876071 (1959-03-01), Updegraff
patent: 2965455 (1960-12-01), Maude et al.
patent: 3851049 (1974-11-01), Smith
patent: 4046866 (1977-06-01), Hurlburt et al.
patent: 4094961 (1978-06-01), Beavon et al.

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