Catalyst, process for its preparation, and use for synthesis of

Details Catalyst, process for its preparation, and use for synthesis of Catalyst, process for its preparation, and use for synthesis of

1997-06-30

1998-12-22

Geist, Gary

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

Organic compounds

Sulfur containing

502305, 423606, C07C31908

Patent

active

058522190

ABSTRACT:
A catalyst for the synthesis of methyl mercaptan from hydrogen sulfide and methanol, as well as a process for preparing the catalyst. The catalyst contains active aluminum oxide on which 15% to 40% by weight cesium tungstate is deposited as the activator. The activator, cesium tungstate, gives an unexpected increase in activity and selectivity as compared with potassium tungstate, which is used exclusively at the present state of the art.

REFERENCES:
patent: 2820062 (1958-01-01), Folkins et al.
patent: 4908343 (1990-03-01), Bhasin
patent: 5057481 (1991-10-01), Bhasin
Patent Abstract of Japan 56-105750A, Nov. 1981.
Mashkina et al., "Activity of Tungstate Catalysts in the Synthesis of Methyl Mercaptane from Methanol and Hydrogen Sulfide", Reaction Kinet. Catalyst Letter, vol. 36, No. 1, 159-164, 1988.
World pat index acc No. 81-72936d abs of JP56105750, Aug. 1981.

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