Kesan bahan penyokong terhadap aktiviti pemangkin nano ruthenium dalam hidrogenolisis gliserol

Translated title of the contribution: Effect of support materials on catalytic activity of nano ruthenium catalyst in hydrogenolysis of glycerol

Noraini Hamzah, Mohd. Ambar Yarmo

Research output: Contribution to journalArticle

Abstract

A series of heterogenous catalysts based on supported ruthenium were prepared from RuCl3 precusor by impregnation method. The effect of support materials (bentonite, TiO2, Al2O3 and SiO2) on catalytic activity of Ru catalyst for hydrogenolysis of glycerol were investigated under mild reaction condition of 150°C and 20 bar initial hydrogen pressure for 7 hours reaction time and glycerol concentration was 20%(wt). It was found that the type of support material have significant effects on the activity and selectivity of glycerol hydrogenolysis. The order of Ru catalyst activity was Ru/bentonite > Ru/Al2O3 ≈ Ru/TiO2 > Ru/SiO2. This study showed that bentonite supported Ru catalyst was the most active with glycerol conversion reaching 62.5% compared to other supports. All the tested catalyst exhibited high selectivity to 1,2-propanediol with more than 80%. Characterization of the catalysts was carried out using BET, XPS, FESEM-EDX and TEM to obtain the physicochemical properties of the catalysts.

Original languageMalay
Pages (from-to)393-400
Number of pages8
JournalMalaysian Journal of Analytical Sciences
Volume20
Issue number2
Publication statusPublished - 2016

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Hydrogenolysis
Ruthenium
Catalyst supports
Glycerol
Catalyst activity
Bentonite
Catalysts
Catalyst selectivity
Propylene Glycol
Impregnation
Energy dispersive spectroscopy
Hydrogen
X ray photoelectron spectroscopy
Transmission electron microscopy

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Kesan bahan penyokong terhadap aktiviti pemangkin nano ruthenium dalam hidrogenolisis gliserol. / Hamzah, Noraini; Yarmo, Mohd. Ambar.

In: Malaysian Journal of Analytical Sciences, Vol. 20, No. 2, 2016, p. 393-400.

Research output: Contribution to journalArticle

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