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Non-Catalytic and γ-Al2O3 Catalyst-based Degradation of Glycerol by Sonication Method

*Ruslan Kalla  -  Chemical Engineering Department, Sepuluh Nopember Institute of Technology, Sukolilo Surabaya 60111, Indonesia
S. Sumarno  -  Chemical Engineering Department, Sepuluh Nopember Institute of Technology, Sukolilo Surabaya 60111, Indonesia
M. Mahfud  -  Chemical Engineering Department, Sepuluh Nopember Institute of Technology, Sukolilo Surabaya 60111, Indonesia

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This research aims to study the effect of the addition of the catalyst γ-Al2O3 on the degradation of glyc-erol with using sonication method. This degradation reaction performed with the aid of a catalyst γ-Al2O3 or without a catalyst. Reactants were prepared from glycerol-water mixture with a mass ratio of 1:8. Experiment was carried out in a batch reactor at atmospheric pressure, temperature range be-tween 30-70 °C for 10-90 min. The products, which were degraded from glycerol, were analyzed by gas chromatography (GC). The results showed that the ultrasonic wave radiation could degrade glycerol. The glycerol conversion was 2.92%-59.95% without employing catalyst, while the conversion of glycerol increased with adding γ-Al2O3.catalyst. It was found that methanol, allyl alcohol and acrolein were deg-radation products. © 2015 BCREC UNDIP. All rights reserved.

Received: 1st June 2015; Revised: 10th September 2015; Accepted: 17th October 2015

How to Cite: Kalla, R., Sumarno, S., Mahfud, M. (2015). Non-Catalytic and γ-Al2O3 Catalyst-based Degradation of Glycerol by Sonication Method. Bulletin of Chemical Reaction Engineering & Catalysis, 10 (3): 304-312. (doi:10.9767/bcrec.10.3.8608.304-312)


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Keywords: Glycerol; degradation; sonication; γ-Al2O3; methanol

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