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Hydrogenolysis of Dimethyl Disulfide to Methanethiol in the Presence of Cobalt Sulfide Catalysts

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Abstract

The hydrogenolysis of dimethyl disulfide to methanethiol at T = 180–260°C and atmospheric pressure in the presence of supported cobalt sulfide catalysts has been studied. Cobalt sulfide on aluminum oxide exhibits a higher activity than that on a carbon support or silicon dioxide. The maximum reaction rate per gram of a catalyst is observed on an 8% Co/Al2O3 catalyst. At temperatures of up to 200°C and conversions up to 90%, methanethiol is formed with nearly 100% selectivity regardless of the cobalt content, whereas the selectivity for methanethiol under more severe conditions decreases because of its condensation to dimethyl sulfide.

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Authors and Affiliations

  1. Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    A. V. Mashkina & L. N. Khairulina

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  1. A. V. Mashkina
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  2. L. N. Khairulina
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__________

Translated from Kinetika i Kataliz, Vol. 46, No. 6, 2005, pp. 921–926.

Original Russian Text Copyright © 2005 by Mashkina, Khairulina.

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Mashkina, A.V., Khairulina, L.N. Hydrogenolysis of Dimethyl Disulfide to Methanethiol in the Presence of Cobalt Sulfide Catalysts. Kinet Catal 46, 873–878 (2005). https://doi.org/10.1007/s10975-005-0150-4

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  • DOI: https://doi.org/10.1007/s10975-005-0150-4

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