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Issue 6, 2007
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Catalytic performance of Rh/SiO2 in glycerol reaction under hydrogen†

Ippei Furikado,a   Tomohisa Miyazawa,a   Shuichi Koso,a   Akira Shimao,a   Kimio Kunimoria  and  Keiichi Tomishige*a  
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* Corresponding authors

a Institute of Materials Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
E-mail: tomi@tulip.sannet.ne.jp
Fax: +81-29-853-5030
Tel: +81-29-853-5030

Abstract

Glycerol is a main byproduct in the biodiesel production process, and the effective utilization of glycerol can contribute to biodiesel promotion. One of the possible methods is the catalytic conversion of glycerol to valuable chemicals, and this can also agree with the concept of green chemistry in terms of the utilization of renewable resources. Catalytic performance of supported metal catalysts (metal: Rh, Ru, Pt, Pd support: active carbon, SiO2, Al2O3) was evaluated in the reaction of glycerol aqueous solution under H2. It is found that Rh/SiO2 exhibited higher activity and higher selectivity to hydrogenolysis products such as propanediols and propanols than Ru/C catalysts at low temperature (393 K). We also investigated the additive effect of ion-exchange resin (Amberlyst). Regarding the reaction route in the reaction of glycerol, it is suggested that the consecutive hydrogenolysis of propanediols to propanols on Rh/SiO2 can proceed via 1,2-propanediol, while it can proceed on Ru/C via 1,3-propanediol.

Graphical abstract: Catalytic performance of Rh/SiO2 in glycerol reaction under hydrogen

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Article information

https://doi.org/10.1039/B614253B
Submitted
02 Oct 2006
Accepted
15 Jan 2007
First published
02 Feb 2007
Green Chem., 2007,9, 582-588
Article type
Paper
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Catalytic performance of Rh/SiO2 in glycerol reaction under hydrogen

I. Furikado, T. Miyazawa, S. Koso, A. Shimao, K. Kunimori and K. Tomishige, Green Chem., 2007, 9, 582
DOI: 10.1039/B614253B

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