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Issue 96, 2014
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Continuous flow reactive distillation process for biodiesel production using waste egg shells as heterogeneous catalysts

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Abstract

A laboratory scale continuous flow jacketed reactive distillation (RD) unit was developed to evaluate the performance of calcium oxide (CaO) derived from egg shells as a heterogeneous catalyst for transesterification of waste frying oil. The effects of reactant flow rate, methanol to oil ratio and catalyst bed height on methyl ester conversion were investigated. All the experimental investigations were carried out at atmospheric pressure and the reboiler temperature was maintained at 65 °C throughout the process. The results indicated that the system reached the steady state at 7 h. Egg shell based CaO showed high catalytic activity in a continuous flow jacketed reactive distillation system and a maximum methyl ester conversion of 93.48% was obtained at a reactant flow rate of 0.2 mL min−1, methanol–oil ratio of 4 : 1 and catalyst bed height of 150 mm.

Graphical abstract: Continuous flow reactive distillation process for biodiesel production using waste egg shells as heterogeneous catalysts

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Publication details

The article was received on 17 Jun 2014, accepted on 09 Oct 2014 and first published on 09 Oct 2014


Article type: Paper
DOI: 10.1039/C4RA05848H
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RSC Adv., 2014,4, 54109-54114

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    Continuous flow reactive distillation process for biodiesel production using waste egg shells as heterogeneous catalysts

    S. Niju, K. M. M. S. Begum and N. Anantharaman, RSC Adv., 2014, 4, 54109
    DOI: 10.1039/C4RA05848H

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