Biodiesel Production from Waste Oils: A South African Outlook
2022
Ella Cebisa Linganiso | Boitumelo Tlhaole | Lindokuhle Precious Magagula | Silas Dziike | Linda Zikhona Linganiso | Tshwafo Elias Motaung | Nosipho Moloto | Zikhona Nobuntu Tetana
The viability of large-scale biodiesel production ultimately boils down to its cost of commercialisation despite other very important factors such as the negative environmental and health effects caused by the direct combustion of fossil diesel. How much each country’s economy will be influenced by the production of biodiesel will be determined by the commitment of various stakeholders to the much-needed transition from petroleum-based resources to renewable resources. Biodiesel production is largely determined by the cost of the feedstock (>70%) and this review focuses on the use of waste oil resources as biodiesel feedstock with a special focus on waste cooking oil (WCO). Generating value from waste oil provides an alternative waste management route as well as a positive environmental and economic contribution. The transesterification process for biodiesel production, its catalysis and some important technical and economic aspects are covered in this communication with a special focus on the South African framework. An overview of the current research and its implications going forward is discussed.
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