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Kinetic studies of dimethyl sulfide synthesis from methanol and H2S

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Abstract

Kinetic regularities of dimethyl sulfide synthesis from methanol and H2S in the presence of WO3/Al2O3 have been studied under gradientless conditions. A stepwise mechanism of the reaction is suggested implying that methanol methoxylates the catalyst surface, the reaction of CH3O groups with H2S yields methylmercaptan and then dimethyl sulfide, whereas that with methanol produces dimethyl ether. The kinetic equations describe fairly well the process on inhomogeneous catalyst surface.

Abstract

В безградиентных условиях исследованы кинетические закономерности синтеза диметилсульфида из метанола и H2S в присутствии WO3/Al2O3. Предложен стадииный механизм реакции, согласно которому метанол метоксилирует поверхность катализатора, реакция CH3O-групп с H2S приводит последовательно к метилмеркаптану и диметилсульфиду, а с метанолом — к диметиловому эфиру. Получены кинетические уравнения, удовлетворительно описывающие процесс на неоднородной поверхности катализатора.

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Mashkin, V.Y., Kudenkov, V.M. Kinetic studies of dimethyl sulfide synthesis from methanol and H2S. React Kinet Catal Lett 46, 263–269 (1992). https://doi.org/10.1007/BF02070944

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  • DOI: https://doi.org/10.1007/BF02070944

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