Production of methanethiol from H.sub.2 S and CO

Details Production of methanethiol from H.sub.2 S and CO Production of methanethiol from H.sub.2 S and CO

1984-06-29

1986-02-11

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

423648R, 568 60, 585733, C07C14906, C07C14910

Patent

active

045700206

ABSTRACT:
Methanethiol is produced from a gaseous feed comprising a mixture of H.sub.2 S and CO by contacting said feed, at a temperature of at least about 225.degree. C., with a catalyst comprising an oxide of a metal selected from the group consisting of V, Nb, and Ta and mixtures thereof, preferably V, supported on titania and wherein at least a portion, and preferably at least about 25 wt. %, of said supported oxide is in a non-crystalline form.

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patent: 4151191 (1979-04-01), Happel et al.
patent: 4235699 (1980-11-01), Ratcliffe et al.
patent: 4238370 (1980-12-01), Konig
patent: 4326081 (1982-04-01), Ratcliffe et al.
Fukuda et al., "Catalytic Activity of Metal Sulfides for the Reaction H.sub.2 S+CO=H.sub.2 +COS", J. Catalysis V49, 378-82 (1977).
Dokiya, et al., "The Study of Thermochemical Hydrogen Preparation, VI, A Hydrogen-Evolving Step Through the H.sub.2 S-CO Cycle", J. Bull. Chem. Soc. Japan, V51 (1), 150-3 (1978).
M. Inomata et al., J. Phys. Chem. (1983), 87(5), 754-61, Structures of Supported Vanadium Oxide Catalysts, 1, Vanadium (v) Oxide/Titanium Dioxide (Anatase) Vanadium (v) Oxide/Titanium Dioxide (Rutile), and Vanadium (v) Oxide/Titanium Dioxide (Mixture of Anatase with Rutile.

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