Sulfur-resistant hydrogenation catalyst and process for hydrogen

Details Sulfur-resistant hydrogenation catalyst and process for hydrogen Sulfur-resistant hydrogenation catalyst and process for hydrogen

1993-01-22

1994-07-19

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 60, B01J 2722, B01J 2908

Patent

active

053309448

ABSTRACT:
Tungsten carbide/zeolite catalysts useful in the hydrogenation of unsaturated sulfur containing compounds and in particular in the production of tetrahydrothiophene are provided.
Also provided is a process for the production of tetrahydrothiophene from thiophene using the tungsten carbide/zeolite catalysts taught, which effects the selective production of tetrahydrothiophene without producing large quantities of H.sub.2 S and unwanted hydrocarbons.

REFERENCES:
patent: 4325843 (1982-04-01), Slaugh et al.
patent: 5120692 (1992-06-01), Beck
Markel and Van Zee, J. of Catalysis 126, 643-657 (1990).
Mozingo et al., J. Amer. Chem. Soc. 67, 2092-2095 (1945).
Hargreaves et al., J. of Catalysis 56, 363-376 (1979).
Lee et al., Applied Catalysis, 19, 207-210 (1985).
Dockner, Angew Chem. Int. Ed. Engl. 27, 679-682 (1988).

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