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Journal of Zhejiang University SCIENCE A 2012 Vol.13 No.5 P.395-406

http://doi.org/10.1631/jzus.A1100345


Preparation of Cu/ZnO/Al2O3 catalysts in a solvent-free routine for CO hydrogenation


Author(s):  Hong Lei, Ren-feng Nie, Jin-hua Fei, Zhao-yin Hou

Affiliation(s):  Institute of Catalysis, Department of Chemistry, Zhejiang University, Hangzhou 310028, China; more

Corresponding email(s):   zyhou@zju.edu.cn

Key Words:  Cu/ZnO/Al2O3 catalyst, Solvent-free routine, CO hydrogenation, Methanol, Dimethyl ether


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Hong Lei, Ren-feng Nie, Jin-hua Fei, Zhao-yin Hou. Preparation of Cu/ZnO/Al2O3 catalysts in a solvent-free routine for CO hydrogenation[J]. Journal of Zhejiang University Science A, 2012, 13(5): 395-406.

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author="Hong Lei, Ren-feng Nie, Jin-hua Fei, Zhao-yin Hou",
journal="Journal of Zhejiang University Science A",
volume="13",
number="5",
pages="395-406",
year="2012",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1100345"
}

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%T Preparation of Cu/ZnO/Al2O3 catalysts in a solvent-free routine for CO hydrogenation
%A Hong Lei
%A Ren-feng Nie
%A Jin-hua Fei
%A Zhao-yin Hou
%J Journal of Zhejiang University SCIENCE A
%V 13
%N 5
%P 395-406
%@ 1673-565X
%D 2012
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1100345

TY - JOUR
T1 - Preparation of Cu/ZnO/Al2O3 catalysts in a solvent-free routine for CO hydrogenation
A1 - Hong Lei
A1 - Ren-feng Nie
A1 - Jin-hua Fei
A1 - Zhao-yin Hou
J0 - Journal of Zhejiang University Science A
VL - 13
IS - 5
SP - 395
EP - 406
%@ 1673-565X
Y1 - 2012
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1100345


Abstract: 
The synthesis of methanol and dimethyl ether (DME) from CO hydrogenation has been investigated on Cu-based catalysts. A series of cu/ZnO/Al2O3 catalysts were prepared using a solvent-free routine which involved a direct blend of copper/zinc/aluminum salts and citric acid, followed by calcination at 450 °C. The calcination processes were monitored using thermogravimetry differential scanning calorimetry (TG-DSC). Catalysts were further characterized using N2 adsorption, scanning electronic microscopy (SEM), X-ray diffraction (XRD), N2O oxidation followed by H2 titration, and temperature-programmed reduction with H2 (H2-TPR). The reduction processes were also monitored with in-situ XRD. The physicochemical properties of catalysts depended strongly on the types of precursor salts, and catalysts prepared using Al acetate and Cu nitrate as starting materials had a larger surface area, larger exposed metallic copper surface area, and lower reduction temperature. The CO hydrogenation performances of these catalysts were compared and discussed in terms of their structures. Catalysts prepared with copper nitrate, zinc and aluminum acetates exhibited the highest catalytic activity.

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