Synthesis of Bio-lubricant Base Stocks From Waste Oil

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Lubricants are oils that are often used in machines to reduce friction. Most lubricants and functional fluids in the present day are made entirely from petrochemical or mineral sources. Rising concerns about the environmental effects of mineral-based lubricants have prompted research into biodegradable lubricants. Vegetable oils have excellent biodegradability and rheological properties at higher operating temperatures, but poor cold flow characteristics Several methods have been attempted to solve these technological challenges, including altering fatty acid structure and genetic modification. Bio-lubricant base stocks derived from waste soybean cooking oil and its methyl esters are ideal for hydraulic and transmission applications as an alternative to traditional lubricants. Three modelling methods, namely, Response Surface Methodology (RSM), Artificial Neural Network (ANN), and Genetic Algorithm (GA) have been applied to optimise the process parameters to maximise the product yield. Additionally, thermal degradation kinetics of the prepared product have also been attempted in this study.
Supervisor: Goud, Vaibhav V
Bio-oil, Bio-diesel, bio-lubricant, Epoxides, Rheology, Kinetics, Artificial Neural Network, Response Surface Methodology, Genetic Algorithm