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The Promoting Effect of Tellurium on K2MoO4/SiO2 Catalyst for Methanethiol Synthesis from High H2S-Containing Syngas

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Abstract

Tellurium used as promoter was investigated in the preparation of K2MoO4/SiO2 catalyst for methanethiol synthesis from high H2S-containing syngas. The experimental results showed that the addition of Te to K2MoO4/SiO2 improved the activity of catalysts and the selectivity of methanethiol. ESR results reveal that the addition of Te decreases the content of “oxo-Mo5+” species and increase that of the “oxysulfo-Mo5+” species, simultaneously increase the low valence states of sulfur species. XPS results reveal that the addition of Te to K2MoO4/SiO2 increase the amount of low valence states of molybdenum and sulfur species, which are related to the formation of methanethiol.

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Acknowledgment

The authors gratefully acknowledge Degussa GmbH (Germany) for financial support.

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Authors and Affiliations

  1. College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, P.R. China

    Aiping Chen, Qi Wang, Yinjuan Hao, Weiping Fang & Yiquan Yang

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  1. Aiping Chen
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  2. Qi Wang
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  3. Yinjuan Hao
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  4. Weiping Fang
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  5. Yiquan Yang
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Correspondence to Yiquan Yang.

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Chen, A., Wang, Q., Hao, Y. et al. The Promoting Effect of Tellurium on K2MoO4/SiO2 Catalyst for Methanethiol Synthesis from High H2S-Containing Syngas. Catal Lett 118, 295–299 (2007). https://doi.org/10.1007/s10562-007-9198-2

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  • DOI: https://doi.org/10.1007/s10562-007-9198-2

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