Journal
JOURNAL OF SAUDI CHEMICAL SOCIETY
Volume 18, Issue 5, Pages 702-706Publisher
ELSEVIER
DOI: 10.1016/j.jscs.2014.02.010
Keywords
Egg shell; Calcination-hydration-dehydration; Calcium oxide; Waste frying oil; Biodiesel
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Funding
- Council of Scientific and Industrial Research (CSIR), India
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Egg shells were subjected to calcination-hydration-dehydration treatment to obtain CaO with high activity. The performance of CaO obtained from the calcination-hydration-dehydration treatment of egg shell and commercial CaO was tested for its catalytic activity via transesterification of waste frying oil (WFO). The results showed that the methyl ester conversion was 67.57% for commercial CaO and it was 94.52% for CaO obtained from the calcination-hydration-dehydration treatment of egg shell at a 5 wt% catalyst (based on oil weight), a methanol to oil ratio of 12:1, a reaction temperature of 65 degrees C and a reaction time of 1 h. The biodiesel conversion was determined by H-1 Nuclear Magnetic Resonance Spectroscopy (H-1 NMR). (C) 2014 King Saud University. Production and hosting by Elsevier B.V. All rights reserved.
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