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Title: A review of current technology for biodiesel production: State of the art
Authors: Ojumu, TV 
Madzimbamuto, TF 
Ikhu-Omoregbe, DIO 
Aransiola, Elizabeth Funmilayo 
Oyekola, Oluwaseun 
Keywords: Biodiesel;Homogeneous catalyst;Heterogeneous catalyst;Reactive distillation;Biomass source
Issue Date: 2013
Publisher: Biomass and Bioenergy
Abstract: This article reviews various technologies that have been used for biodiesel production till date, with a view to comparing commercial suitability of these methods on the basis of available feedstocks and associated challenges. This review shows that while emphasis is on the use of micro alga oil sources, the viability of the economics of the process is still in doubt. Homogenously catalyzed processes are the conventional technologies. However, their large-scale applicability is compromised due to their characteristic challenges. Batch processes and continuous processes are used for industrial purposes with typical capacity of 7.26e7.5 Gg y 1 and 8e125 Gg y 1 respectively, and heterogeneous catalysis may be sustainable for the continuous processes. Heterogeneous catalysts from renewable sources may be both environmentally and economically viable. Reactive distillation has the major advantage of combining the reaction and separation stages in a single unit, thereby significantly reducing capital costs and increasing opportunities for heat integration. This paper is a comprehensive overview of current technologies and appropriate options for scale-up development, providing the basis for a proposal for the exploitation of heterogeneous catalysts from natural sources to optimize biodiesel production.
Appears in Collections:Eng - Journal articles (DHET subsidised)

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