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Effects of glow discharge plasma on Cu–Co–Al-based supported catalysts for higher alcohol synthesis

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Abstract

The novel plasma assisted Cu–Co/γ-Al2O3 catalysts were prepared by incipient impregnation method for CO hydrogenation to higher alcohols and characterized by means of scanning electron microscopy (SEM), N2 adsorption, X-ray powder diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) techniques. It was found that introduction of plasma significantly improved the specific surface area, dispersion of catalyst and the enrichment of active species on the surface of catalysts. Under the conditions of P = 5.0 MPa, GHSV = 6,000 h−1, V(H2)/V(CO) = 2, T = 573 K, the conversion of carbon monoxide over the plasma enhanced catalyst increased by 41.9% compared with that of the conventional sample, and the space time yield reached 337.1 g kg−1 h−1.

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Acknowledgments

This work was financially supported by the Natural Science Foundation of China (NSFC 20590363) and the New Century Excellent Talent Project (NCET-05-0783) of Ministry of Education of China.

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Authors and Affiliations

  1. Lab 230, Department of Chemical Engineering, Sichuan University, 610065, Chengdu, China

    Huiyuan Xu, Wei Chu, Limin Shi, Siyu Deng & Hui Zhang

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  1. Huiyuan Xu
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  2. Wei Chu
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  3. Limin Shi
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  4. Siyu Deng
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  5. Hui Zhang
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Correspondence to Wei Chu.

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Xu, H., Chu, W., Shi, L. et al. Effects of glow discharge plasma on Cu–Co–Al-based supported catalysts for higher alcohol synthesis. React Kinet Catal Lett 97, 243–247 (2009). https://doi.org/10.1007/s11144-009-0048-7

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  • DOI: https://doi.org/10.1007/s11144-009-0048-7

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