Rols of ZnO in Cu-ZnO Catalyst for Dehydrogenation of Sec-Butanol

Jun Deng; Ying Liu; Hong Sheng Zhang

doi:10.4028/www.scientific.net/AMM.556-562.19

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Rols of ZnO in Cu-ZnO Catalyst for Dehydrogenation...

Rols of ZnO in Cu-ZnO Catalyst for Dehydrogenation of Sec-Butanol

Abstract:

A series of varying Cu/Zn ratio Cu-ZnO catalysts prepared by coprecipitation were evaluated for the vapor-phase dehydrogenation of sec-butanol (SBA) to methyl ethyl ketone (MEK) and characterized to investigate the roles of ZnO by X-ray diffraction (XRD), H₂ temperature programmed reduction (H₂-TPR), N₂O chemisorption decomposition. When Cu/Zn was 1:1, Cu-ZnO catalyst exhibited excellent reactivity. The catalytic properties of Cu-ZnO did not completely depend on Cu content and Cu⁰ surface area, revealing SBA dehydrogenation is a structure-sensitive reaction.