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

1999-11-02

Geist, Gary

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502415, 568 60, 568 70, B01J 2324, C07C31908

Patent

active

059770112

ABSTRACT:
A catalyst for the synthesis of methyl mercaptan from hydrogen sulfide and methanol as well as a process for preparation of the catalyst. The catalyst is an active aluminum oxide onto which 5 to 25% by weight potassium tungstate is deposited as an activator. A two-stage impregnation with intermediate drying produces a catalyst which exhibits distinctly better selectivity for formation of methyl mercaptan than catalysts obtained by single-stage impregnation.

REFERENCES:
patent: 2820062 (1958-01-01), Folkins et al.
Datenbank Caplus: Chemical Abstracts, vol. 120, Abstract 120: 190890, Maschkin, V.Yu. in App. Catalyst, A (1994) 109(1), 45-61.
A.V. Mashkina et al.: Activity of Tungstate Catalysts in the Synthesis of Methyl-mercaotane from Methanol and Hydrogen Sulfide, React. Kinet. Catal. Letter vol. 36, No. 1, 159-164 1988).

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