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Effect of Lanthanum Promotion on the Unsupported Mo–Co–K Sulfide Catalysts for Synthesis of Mixed Alcohols from Syngas

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Abstract

The unsupported Mo–Co–K sulfide catalysts promoted by La were prepared through ultrasonic technology in non-aqueous medium and its performances for the synthesis of mixed alcohols from syngas were also investigated. The results showed that the catalysts promoted by La exhibited higher CO conversion and selectivity to ethanol than the unsupported Mo–Co–K sulfide catalyst without addition of La did under identical reaction conditions. The catalysts were characterized by N2 adsorption/desorption, X-ray diffraction (XRD), Scanning electron microscope (SEM), Transmission electron microscope (TEM), Raman, and X-ray photoelectron spectroscopy (XPS).

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Acknowledgments

This work was supported by China Postdoctoral Science Foundation. The author thanks Dr. Tang Dingliang (Xiamen University, Fujian, P R China) for the XPS experiments.

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Authors and Affiliations

  1. Shanghai Research Institute of Petrochemical Technology, Shanghai, 201208, People’s Republic of China

    Yong Yang, Yangdong Wang, Su Liu, Qingying Song & Zaiku Xie

  2. Department of Chemistry, Fudan University, Shanghai, 200433, People’s Republic of China

    Yong Yang & Zi Gao

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  1. Yong Yang
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  2. Yangdong Wang
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  3. Su Liu
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  4. Qingying Song
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  5. Zaiku Xie
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Correspondence to Yong Yang.

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Yang, Y., Wang, Y., Liu, S. et al. Effect of Lanthanum Promotion on the Unsupported Mo–Co–K Sulfide Catalysts for Synthesis of Mixed Alcohols from Syngas. Catal Lett 127, 448–455 (2009). https://doi.org/10.1007/s10562-008-9739-3

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