Ethyl biodiesel production from non-edible oils of Balanites aegyptiaca, Azadirachta indica, and Jatropha curcas seeds – Laboratory scale development

Svitlana Nitièma-Yefanova, Lucie Coniglio, Raphaël Schneider, Roger H.C. Nébié and Yvonne L. Bonzi-Coulibaly

Renewable Energy, 2016, vol. 96, issue PA, 881-890

Abstract: By starting first at the laboratory scale, optimal operating conditions for the reaction unit aimed at producing ethyl biodiesels from non-edible vegetable oils (NEVO) were determined with the ultimate objective of proposing an on-farm processing technology that should be sustainable for emerging countries. Three NEVO widely available in Burkina Faso were selected: Balanites aegyptiaca (BA), Azadirachta indica (AI), and Jatropha curcas (JC) oils. Their conversion to fatty acid ethyl esters (FAEE) was conducted via a two-stage procedure under atmospheric pressure: an alkali-catalyzed ethanolysis at ambient temperature for the BA and AI oils (leading to 93 and 87 wt.% FAEE respectively) and an acid-catalyzed ethanolysis at the normal boiling of the alcohol for the JC oil (leading to 89 wt.% FAEE). Based on the intermediate addition of glycerol at ambient temperature, the two-stage procedure combines chemical kinetics, chemical equilibrium, and phase equilibrium phenomena.

Keywords: Ethyl biodiesel; Non-edible vegetable oils; Two-stage procedure; Single homogeneous catalyst; Intermediate glycerol addition (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:96:y:2016:i:pa:p:881-890

DOI: 10.1016/j.renene.2016.04.100

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