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Acta Phys. -Chim. Sin.  2007, Vol. 23 Issue (07): 1042-1046    DOI: 10.3866/PKU.WHXB20070715
Effect of Glow Discharge Plasma on Copper-based Catalysts for Methanol Synthesis
XU Hui-Yuan; CHU Wei; CI Zhi-Min
College of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
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Abstract  Copper-based catalysts for methanol synthesis were prepared by glow discharge plasma. These catalysts were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), surface area measurement (BET method), hydrogen temperature programmed desorption (H2-TPD), and carbon monoxide temperature programmed desorption (CO-TPD). The catalytic performances of these samples were measured in methanol synthesis from the hydrogenation of carbon monoxide. After plasma enhancement in N2 and then in H2, the conversion of carbon monoxide was 2.61 times higher than that of the conventional sample. Meanwhile, the space time yield (STY) of methanol was 2.65 times higher, and the amount of surface active sites on the catalysts increased as evidenced by TPD experiments.

Key wordsGlow discharge plasma      Copper-based catalyst      Methanol synthesis      Hydrogenation of carbon monoxide     
Received: 05 December 2006      Published: 27 April 2007
MSC2000:  O643  
Corresponding Authors: CHU Wei     E-mail:
Cite this article:

XU Hui-Yuan; CHU Wei; CI Zhi-Min. Effect of Glow Discharge Plasma on Copper-based Catalysts for Methanol Synthesis. Acta Phys. -Chim. Sin., 2007, 23(07): 1042-1046.

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