Abstract Assessment of contaminant releases during utilization of used oils is essential for the determination of environmental acceptability. These paper reports the results of the study examining a toxic metal leachability from used engine oil and sludge samples employing leaching test (TCLP). The leaching test indicated that lead in oil samples exceeded 5-ppm concentration level

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Introduction The EPA estimates that there are 1 billion gal/y of used lubricants generated in the United States. Of this, 200 million gal/y are disposed of improperly. Additionally, it is believed that 40% of this material is poured directly into the ground [1]. These disposal methods not only pose a significant threat to local environments,

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Abstract This paper describes an investigation carried out to study the recycling of spent engine oil as a result of indiscriminate dis-posal of the spent engine oil into the surrounding which has contributed immensely to the level of environmental pollution in our society and nation at large. This paper identify a unique method by which

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ABSTRACT: Waste lubricating oil arises wherever work is carried out with lubricating oil and where it is put to use for a particular purpose. Waste lubricating oil should be collected and reused in order to decrease detrimental effects on environment, and underground and surface waters, since it pollutes the atmospheric air as a result of

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