Effect of Ruthenium Metal Precursors Supported on Bentonite in Hydrogenolysis Glycerol

Noraini Hamzah; Aznira Alias; Wan Zurina Samad; Mohamad Bin Kassim; Mohd Ambar Yarmo

doi:10.4028/www.scientific.net/AMR.173.134

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 173Effect of Ruthenium Metal Precursors Supported on...

Effect of Ruthenium Metal Precursors Supported on Bentonite in Hydrogenolysis Glycerol

Abstract:

Various ruthenium precursors (Ru= RuCl3, Ru2 = Ru(acac)3, Ru3 = Ru3(CO)12) supported on bentonite were prepared by conventional impregnation method. Their catalytic performances were evaluated in the hydrogenolysis of glycerol using autoclave Parr reactor under mild reaction conditions of 150°C, hydrogen pressure 30 bar for 7 hours. Among the studied catalyst, 5% Ru/bentonite catalyst prepared from Ru and Ru3 precursor exhibited higher activity which are 79.6% and 72.5% respectively. In contrast, Ru2/bentonite prepared from Ru(acac)3 precusor gave lowest activity (41.8%). In term of selectivity to 1,2-propanediol, Ru2 and Ru3 precusor gave higher selectivity (67.0% and 66.9%) compared to Ru precursor (50.6%). These results indicated that metal precursor plays an important role on activity and selectivity of the catalyst in hydrogenolysis reaction. The catalysts were characterized by XRD, XPS, BET, FESEM-EDX and TEM, and the reasons for the high performances of the catalyst were also discussed.

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Advanced Materials Research (Volume 173)

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134-139

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https://doi.org/10.4028/www.scientific.net/AMR.173.134

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December 2010

Authors:

Noraini Hamzah, Aznira Alias, Wan Zurina Samad, Mohamad Bin Kassim, Mohd Ambar Yarmo

Keywords:

1,2-Propanediol, Bentonite, Glycerol, Hydrogenolysis, Nano-Ruthenium

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