期刊
FUEL
卷 89, 期 1, 页码 170-175出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2009.07.007
关键词
Methanol synthesis; Cu/ZnO/Al2O3 catalysts; Metal oxide additives; Factorial design
资金
- National Petrochemical Research and Technology Company of Iran, NPC-RT
The Cu/ZnO/Al2O3 catalysts, prepared by co-precipitation method, have been modified by adding small amount of Mn, Mg, Zr, Cr, Ba, W and Ce oxides using design of experiments (1/16 full factorial design). The structure and morphology of catalysts were studied by X-ray diffraction (XRD) and BET. Performance of the prepared catalysts for CO/CO2 hydrogenation to methanol was evaluated by using a stainless steel fixed-bed reactor at 5 MPa and 513 K. The oxide additives were found to influence the catalytic activity, dispersion of Cu, Cu crystallite size, surface composition of catalyst and stability of catalysts during their operations. The results showed that the Mn and Zr promoted catalysts have high performance for methanol synthesis from syngas. Crown Copyright (C) 2009 Published by Elsevier Ltd. All rights reserved.
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