Journal
JOURNAL OF ENVIRONMENTAL SCIENCES
Volume 25, Issue 4, Pages 823-829Publisher
SCIENCE PRESS
DOI: 10.1016/S1001-0742(12)60067-9
Keywords
red mud; basic catalyst; transesterification; biodiesel; industrial waste
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Funding
- Natural Science Basic Research Plan in Shaanxi Province of China [2010JM2003]
- Fundamental Research Funds for the Central Universities [GK200902006]
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Red mud was investigated in triglyceride transesterification with a view to determine its viability as a basic catalyst for use in biodiesel synthesis. The effect of calcination temperature on the structure and activity of red mud catalysts was investigated. It was found that highly active catalyst was obtained by simply drying red mud at 200 degrees C. Utilization of red mud as a catalyst for biodiesel production not only provides a cost-effective and environmentally friendly way of recycling this solid red mud waste, significantly reducing its environmental effects, but also reduces the price of biodiesel to make biodiesel competitive with petroleum diesel.
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