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Topics in Catalysis
Published in: Topics in Catalysis 17-20/2014

01-11-2014 | Original Paper

Glycerol Hydrogenolysis to 1,2-Propanediol by Cu/ZnO/Al2O3 Catalysts

Authors: Yuanqing Liu, Nagaraju Pasupulety, Kamalakar Gunda, Garry L. Rempel, Flora T. T. Ng

Published in: Topics in Catalysis | Issue 17-20/2014

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Abstract

The effect of preparation methods on the Cu/ZnO/Al2O3 catalyst structure and catalytic activity on liquid glycerol hydrogenolysis to 1,2-propanediol has been investigated. The physicochemical properties of the catalysts were characterized by BET, XRD, TG/DTA, NH3-TPD and TPR. The experimental results showed that the catalyst prepared by an oxalate gel–coprecipitation had the highest activity. At 200 °C and 400 psi hydrogen pressure, the glycerol conversion and 1,2-propanediol selectivity catalyzed by the Cu/ZnO/Al2O3 catalyst prepared via oxalate gel–coprecipitation were 92.3 and 94.5 % respectively. It was found that the 1,2-propanediol selectivity was dependent on hydrogen pressure and the un-desired by-products were mainly due to the side reactions caused by the presence of the intermediate acetol.
previous article Exploratory Catalyst Screening Studies on the Base Free Conversion of Glycerol to Lactic Acid and Glyceric Acid in Water Using Bimetallic Au–Pt Nanoparticles on Acidic Zeolites
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Metadata
Title
Glycerol Hydrogenolysis to 1,2-Propanediol by Cu/ZnO/Al2O3 Catalysts
Authors
Yuanqing Liu
Nagaraju Pasupulety
Kamalakar Gunda
Garry L. Rempel
Flora T. T. Ng
Publication date
01-11-2014
Publisher
Springer US
Published in
Topics in Catalysis / Issue 17-20/2014
Print ISSN: 1022-5528
Electronic ISSN: 1572-9028
DOI
https://doi.org/10.1007/s11244-014-0318-0

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