Effects of Loaded Sodium on the Structure of Cu-ZnO/Na-SiO2 Catalysts and the Dehydrogenation of 2-Butanol

doi:10.3724/SP.J.1095.2011.00638

Chinese Journal of Applied Chemistry ›› 2011, Vol. 28 ›› Issue (12): 1397-1401.DOI: 10.3724/SP.J.1095.2011.00638

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Effects of Loaded Sodium on the Structure of Cu-ZnO/Na-SiO2 Catalysts and the Dehydrogenation of 2-Butanol

MA Jun, ZHU Na^*

(Center Station of Supervise Environment of Jilin Province,Changchun 130011)

Received:2010-10-25 Revised:2011-04-07 Published:2011-12-10 Online:2011-12-10
Contact: majun

Abstract

Abstract:

The catalyst support SiO2 was firstly pretreated with different amounts of sodium nitrate solution followed by impregnation in copper and zinc nitrates solution. The effects of the preparation method and contents of sodium on the structures and performances of Cu-ZnO/Na-SiO2 catalysts have been investigated. The catalytic activities of these catalysts were evaluated using the dehydrogenation of 2-butanol and the selectivity for MEK as probes. These catalysts were characterized by means of XRD and TPR. The results indicated that sodium-pretreatment can improve the dispersion of metallic copper and the interaction between the copper species and the support.

Key words: Alkali metal Na, Cu-ZnO/ SiO2(Na) Catalysts, 2-butanol, Dehydrogenation

CLC Number:

O643.3

MA Jun, ZHU Na*. Effects of Loaded Sodium on the Structure of Cu-ZnO/Na-SiO2 Catalysts and the Dehydrogenation of 2-Butanol[J]. Chinese Journal of Applied Chemistry, 2011, 28(12): 1397-1401.

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Effects of Loaded Sodium on the Structure of Cu-ZnO/Na-SiO2 Catalysts and the Dehydrogenation of 2-Butanol

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