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Transesterification of waste cooking oil using FeCl3-modified resin catalyst and the research of catalytic mechanism

文献类型： 外文期刊

作者： Ma, Yingqun 1 ; Wang, Qunhui 1 ; Gao, Zhen 1 ; Sun, Xiaohong 2 ; Wang, Nan 3 ; Niu, Ruxuan 1 ; Ma, Hongzhi 1 ;

作者机构： 1.Univ Sci & Technol Beijing, Dept Environm Engn, Beijing 100083, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Dept Agrobiotechnol Res Ctr, Beijing, Peoples R China

3.Univ Sci & Technol Liaoning, Sch Chem Engn, Anshan 114051, Peoples R China

关键词： Biodiesel;Modified resin;Characterization;Mechanism

期刊名称：RENEWABLE ENERGY （ 影响因子：8.001； 五年影响因子：7.435 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： Biodiesel production from waste cooking oil using FeCl3-modified resin as heterogeneous catalyst was investigated. In the optimum conditions, Fe load rate of resin of 10.97%. Comparison of effects of modified resin, unmodified resin, and homogeneous catalyst (FeCl3 center dot 6H(2)O) for the transesterification of waste cooking oil and methanol revealed that the transesterification rate of modified resin as catalyst reached 92.13%, which was 13.37% and 27.81% higher than those of unmodified resin and FeCl3 center dot 6H(2)O as catalysts, respectively. After the ninth run of reusing modified resin, transesterification rate stilled reach 73%. The result of NH3-Fourier transform infrared analysis proved that FeCl3 reacted with Bronsted acid site (SO3H) to form a new Lewis acid site. Results of Fourier transform infrared and X-ray diffraction analyses showed that -OH group disappeared and no crystalline phase was present in modified resin, which illustrated that the new Lewis acid site was formed by chemical reactions. (C) 2015 Elsevier Ltd. All rights reserved.

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