LOW-TEMPERATURE CATALYTIC PERFORMANCE OF NANOSTRUCTUREDTi–Ni–OPREPARED BY MODIFIED SOL-GEL METHOD

Ying Wu, Tinghua Wu (), Yiming He, Weizheng Weng and Huilin Wan
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Ying Wu: Institute of Physical Chemistry, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Zhejiang Normal University, Jinhua 321004, China
Tinghua Wu: Institute of Physical Chemistry, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Zhejiang Normal University, Jinhua 321004, China
Yiming He: State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemistry and Institute of Physical Chemistry, Xiamen University 361005, China
Weizheng Weng: State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemistry and Institute of Physical Chemistry, Xiamen University 361005, China
Huilin Wan: State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemistry and Institute of Physical Chemistry, Xiamen University 361005, China

Surface Review and Letters (SRL), 2007, vol. 14, issue 04, 611-615

Abstract: NanosizedTi–Ni–Ocatalysts prepared by a modified sol–gel method had been investigated in the oxidative dehydrogenation of ethane and propane to the corresponding alkene. The best yield is obtained over the 9.1 wt%Ti–Ni–Ocatalyst. The results of catalyst characterization indicated that there is strong interaction betweenTiO2andNiO. It is observed that a decline in temperature for low-temperature oxygen desorption and an augmentation in reduction difficulty of the catalysts would result in poor activity and enhanced alkene selectivity, respectively, over theTi–Ni–Ocatalysts in the oxidative dehydrogenation reactions.

Keywords: Nanostructured; Ti–Ni–O; catalyst; interaction (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0218625X07009773

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