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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received August 11, 2016
Accepted November 29, 2016
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Optimization of biodiesel production process in a continuous microchannel using response surface methodology

Department of Chemical Engineering, Faculty of Energy, Kermanshah University of Technology, Kermanshah, Iran
b.aghel@kut.ac.ir, babakaghel@gmail.com
Korean Journal of Chemical Engineering, April 2017, 34(4), 1013-1020(8)
https://doi.org/10.1007/s11814-016-0342-9
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Abstract

We assessed the biodiesel production process in a continuous microchannel through preparation of a heterogeneous catalyst (CaO/MgO) from demineralized water plant sediment. This mixed oxide catalyst was used for transesterification of rapeseed oil as feedstock by methanol to produce biodiesel fuel at various conditions. A microchannel, utilized as a novel reactor, was applied to convert rapeseed oil into biodiesel in multiple steps. The effects of the process variables, such as catalyst concentration, methanol to oil volume ratio, n-hexane to oil volume ratio, and reaction temperature on the purity of biodiesel, were carefully investigated. Box-Behnken experimental design was employed to obtain the maximum purity of biodiesel response surface methodology. The optimum condition for the production of biodiesel was the following: catalyst concentration of 7.875 wt%, methanol to oil volume ratio of 1.75 : 3, n-hexane to oil volume ratio of 0.575 : 1, and reaction temperature of 70 °C.

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