Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/1883
Title: Effect of alcohol type and amount on the total energy consumption and yield of the free fatty acids esterification reaction with simultaneous adsorptive water removal
Authors: Touma, Jad George
Khoury, Bilal El 
Estephane, Jane 
Zakhem, Henri El 
Aouad, Samer 
Affiliations: Department of Chemistry 
Department of Chemical Engineering 
Department of Chemical Engineering 
Department of Chemistry 
Keywords: Adsorption
Esterification
Simultaneous water removal
Waste oil pretreatment
Subjects: Biodiesel
Energy consumption
Issue Date: 2018
Part of: Chemical engineering communications journal
Volume: 205
Issue: 5
Start page: 689
End page: 697
Abstract: 
The present work investigates the energy consumption and yield of the esterification reaction of free fatty acids (waste oil pretreatment) under a simultaneous water removal by adsorption. The reaction was performed under methanol, ethanol, and 1-propanol at the optimum reaction temperature of 100°C. The higher boiling point temperature of 1-propanol reduced the energy requirement of the reaction by 36.3 and 34.4% compared to methanol and ethanol, respectively. Moreover, despite the higher reactivity associated with alcohols having lower carbon chains, the reaction yield was approximately 16.4% higher under 1-propanol than the other two alcohols. This can be ascribed to the ability to use higher amounts of 1-propanol while maintaining lower energy consumption. The results also indicated that the reaction at 100°C under methanol and ethanol had a similar energy consumption and yield, favoring the use of the renewable ethanol over the widely used nonrenewable methanol. Finally, these findings highlight the importance of investigating the energy consumption of novel oil pretreatment processes and not solely focus on their ability to convert free fatty acids to biofuel.
URI: https://scholarhub.balamand.edu.lb/handle/uob/1883
DOI: 10.1080/00986445.2017.1412312
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Chemistry

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