International Journal of Energy and Environmental Research (IJEER)

EA Journals

Extraction

REGENERATION OF USED LUBRICATING ENGINE OIL BY SOLVENT EXTRACTION PROCESS (Published)

The increase in the use of motor vehicles has resulted to generation of large quantity of used lubricating engine oil which is being disposed improperly, thereby leading to environmental pollution. This work therefore investigated solvent extraction process for recycling of used lubricating engine oil. Three solvents: 1-butanol, 2-propanol and mixtures of 1-butanol-ethanol were considered. Each solvent was used to segregate impurities in the form of sludge at different extraction factors considered.The performances of the solvents were investigated by determination of Percent Sludge Removal and Percent Oil Loss. The investigation revealed that 1-butanol produced the best extraction performance.

Keywords: Contact time, Extraction, Oil loss, Recycling, Sludge

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