General Information
    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Dr. Eldin W. C. Lim
    • Executive Editor: Mr. Ron C. Wu
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Editor-in-chief
Dr. Eldin W. C. Lim
Dept. of Chemical and Biomolecular Engineering,
National University of Singapore, Singapore
IJCEA 2017 Vol.8(4): 248-252 ISSN: 2010-0221
doi: 10.18178/ijcea.2017.8.4.665

The Influence of Propan-1-Ol on Performance of Alumina-Silica Catalyst over Ethanol Dehydration

Sasiradee Jantasee, Prajak Kanya, Wasuwat Ngoksilapa, and Bunjerd Jongsomjit
Abstract—This research investigated the effect of propan-1-ol on a performance of ethanol dehydration by using an alumina-silica composite (Al2O3-SiO2) catalyst. It was compared the results to a H-Beta zeolite catalyst. Alumina-silica composite catalyst was prepared in the ratio of 60:40 by precipitation method. The catalysts were characterized using various techniques. The catalysts were tested catalytic activity over the dehydration of ethanol mixed with propan-1-ol at 1 atm of total pressure and the temperature range between 200 to 400 ºC. The results show that propan-1-ol decreased ethanol conversion and ethylene yield of the Al2O3-SiO2 catalyst about 50% compared to the dehydration of pure ethanol over the same catalyst. Nevertheless, propan-1-ol did not significantly affect the ethylene selectivity of this catalyst. Ethanol to ethylene preferable occurred at high temperature but propan-1-ol to propylene preferable occurred at low temperature.

Index Terms—Ethanol dehydration, alumina-silica, zeolite, propan-1-ol.

Sasiradee Jantasee, Prajak Kanya, and Wasuwat Ngoksilapa are with the Department of Chemical Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi, Pathum thani 12110, Thailand (e-mail: sasiradee.j@en.rmutt.ac.th, prajakkanya@hotmail.com, wasuwat.ngks@gmail.com).
Bunjerd Jongsomjit is with Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand (e-mail: bunjerd.j@chula.ac.th).

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Cite: Sasiradee Jantasee, Prajak Kanya, Wasuwat Ngoksilapa, and Bunjerd Jongsomjit, "The Influence of Propan-1-Ol on Performance of Alumina-Silica Catalyst over Ethanol Dehydration," International Journal of Chemical Engineering and Applications vol. 8, no. 4, pp. 248-252, 2017.

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