Dehydrogenation of Sec-Butanol to Methyl Ethyl Ketone over Cu-ZnO Catalysts Prepared by Different Methods: Coprecipitation and Physical Mixing

Yun Feng Hu; Guang Shen Jiang; Jun Cai; Jun Sheng Liu; Jun Deng

doi:10.4028/www.scientific.net/AMR.750-752.1778

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Dehydrogenation of Sec-Butanol to Methyl Ethyl Ketone over Cu-ZnO Catalysts Prepared by Different Methods: Coprecipitation and Physical Mixing

Abstract:

Cu-ZnO catalysts prepared by coprecipitation and physical mixing methods were characterized to investigate the roles of ZnO by X-ray diffraction (XRD), N₂O chemisorption decomposition and evaluated for the vapor-phase dehydrogenation of sec-butanol (SBA) to methyl ethyl ketone (MEK). ZnO not only could disperse Cu species, but also prevent Cu⁰ from sintering. Cu-ZnO catalyst by coprecipitation method exhibited excellent reactivity.