期刊
CANADIAN JOURNAL OF CHEMICAL ENGINEERING
卷 90, 期 2, 页码 483-488出版社
WILEY
DOI: 10.1002/cjce.20666
关键词
biodiesel; waste frying oil; transesterification; sodium methoxide
资金
- UGC
In present communication, waste frying oil (WFO) has been used as a feedstock for biodiesel synthesis. WFO, procured from a local Indian restaurant possessed an acid value of 0.84mg KOH/g, which is low enough for single step transesterification reaction. Biodiesel (fatty acid methyl esters) was washed after transesterification reaction and the yield got lowered substantially (from 96% to 86.36%) after water washing owing to loss of esters. 30:100vol% (methanol to oil), 0.6wt% NaOCH3, 60 degrees C temperature and 600rpm agitation in 1h reaction time was found to be optimum for transesterification reaction. 1H NMR spectrum showed a high conversion (95.19%) of fatty acids in WFO to biodiesel in 2h reaction time. Almost complete conversion (99.68%) was attained in 2h reaction time. (C) 2011 Canadian Society for Chemical Engineering
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