A green recyclable SO3H-carbon catalyst derived from glycerol for the production of biodiesel from FFA-containing karanja (Pongamia glabra) oil in a single step

被引：71

作者：

Devi, B. L. A. Prabhavathi ^{[1
]}

Reddy, T. Vijai Kumar ^{[1
]}

Lakshmi, K. Vijaya ^{[1
]}

Prasad, R. B. N. ^{[1
]}

机构：

[1] Indian Inst Chem Technol, CSIR, Ctr Lipid Res, Hyderabad 500007, Andhra Pradesh, India

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 153卷

关键词：

Biodiesel; Karanja oil; SO3H-carbon catalyst; Simultaneous esterification; Transesterification; CARBON;

D O I：

10.1016/j.biortech.2013.12.002

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Simultaneous esterification and transesterification method is employed for the preparation of biodiesel from 7.5% free fatty acid (FFA) containing karanja (Pongamia glabra) oil using water resistant and reusable carbon-based solid acid catalyst derived from glycerol in a single step. The optimum reaction parameters for obtaining biodiesel in >99% yield by simultaneous esterification and transesterification are: methanol (1: 45 mole ratio of oil), catalyst 20 wt.% of oil, temperature 160 degrees C and reaction time of 4 h. After the reaction, the catalyst was easily recovered by filtration and reused for five times with out any deactivation under optimized conditions. This single-step process could be a potential route for biodiesel production from high FFA containing oils by simplifying the procedure and reducing costs and effluent generation. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：370 / 373

页数：4

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