Abstract
The aim of this study was to evaluate the feasibility of using solvent extraction to recover base oil form . Waste lubricating grease generation was used to determine the potential market size based on feed stock and oil demand. A financial economic model was applied to investigate the feasibility of the recycling technology. Various input and output data were based on experimental results and some were extracted from literature. For 800kg/day treatment plant, an investment of $ 615,439.27 is required with a potential return on investment of 40%. The plant can bring sustainable job creation while producing 160,000 litres per annum of base oil at a cost of $1.47/litre. This investment has the potential to address the environmental and economic challenges of waste lubricants management.