A REVIEW ON THE CONTAMINATION OF USED ENGINE OIL

Sorin Aurel RAȚIU, Nicolae Liviu MIHON, Ioan LAZA, Miruna Diana ARMIONI

Abstract


Engine oil plays an essential role in ensuring the optimal operation of the engine and, implicitly, of the entire car. Contamination with different substances is a process that alters the oil’s parameters, rendering it unusable. Also, used oil has the potential to further degrade engine components, which has a negative impact from a strictly mechanical, as well as economic and environmental point of view. This paper presents the process of engine oil contamination, including the ways in which it occurs, the types of substances that cause it and the effects
it can have on the engine and the environment. Also, statistical data are analysed that compare the properties of fresh engine oil with those of used oil and highlight the differences between them.


Keywords


engine oil; used engine oil; internal combustion engine; contamination; environment

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