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Received January 21, 2003,Revised June 05, 2003, Accepted , Available online

Volume 16,2004,Pages 316-320

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ZrO2-Al2O3 composite oxides and supported Ni catalysts were prepared , and characterized by N2 adsorption/desorption, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy ( XPS ) techniques. Thecatalytic performance and carbon deposition was also investigated. This mesoporous composite oxide is shown to bea promising catalyst support. An increase in the catalytic activity and stability of methane and carbon dioxidereforming reaction was resulted from the zirconia addition, especially at 5wt% ZrO2 content. The Ni catalystsupported ZrO2-Al2O3 has a strong resistance to sintering and the carbon deposition in a relatively long-termreaction.

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