Solid acid catalyzed biodiesel production from waste cooking oil

被引：404

作者：

Jacobson, Kathlene ^{[1
]}

Gopinath, Rajesh ^{[1
]}

Meher, Lekha Charan ^{[1
]}

Dalai, Ajay Kumar ^{[1
]}

机构：

[1] Univ Saskatchewan, Dept Chem Engn, Catalysis & Chem React Engn Labs, Saskatoon, SK S7N 5A9, Canada

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2008年 / 85卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Biodiesel; Esterification; Transesterification; Waste cooking oil; Methyl esters; Solid acid catalyst; Free fatty acids;

D O I：

10.1016/j.apcatb.2008.07.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Various solid acid catalysts were evaluated for the production of biodiesel from low quality oil such as waste cooking oil (WCO) containing 15 wt.% free fatty acids. The zinc stearate immobilized on silica gel (ZS/Si) was the most effective catalyst in simultaneously catalyzing the transesterification of triglycerides and esterification of free fatty acid (FFA) present in WCO to methyl esters. The optimization of reaction parameters with the most active ZS/Si catalyst showed that at 200 degrees C, 1: 18 oil to alcohol molar ratio and 3 wt.% catalysts loading, a maximum ester yield of 98 wt.% could be obtained. The catalysts were recycled and reused many times without any loss in activity. (c) 0 2008 Elsevier B.V. All rights reserved.

引用

页码：86 / 91

页数：6

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