Heterogeneous Catalyst Derived from Waste Shells for Biodiesel Production

Author：      

Publisher： Taylor & Francis Ltd

E-ISSN： 1556-7230|37|6|598-605

ISSN： 1556-7036

Source： Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Vol.37, Iss.6, 2015-03, pp. : 598-605

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Abstract

The catalysts derived from waste shells were employed to produce biodiesel from Jatropha curcas oil. The catalysts were characterized by scanning electron microscopy, Fourier transform infrared, and powder X-ray diffraction studies. Under the best reaction conditions (temperature 65°C, methanol/oil molar ratio 9:1, reaction time 3 h, and catalyst loading 3 wt% of oil), a high biodiesel yield of more than 99.0% was obtained. After ultrasonic mixing, the time for reaction completion could be shortened. After reuse for seven times, about 75% of the fatty acid methyl esters yield could be obtained. The activity of the catalysts could be revived absolutely after recalcination.

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