Accumulation of polycyclic aromatic hydrocarbons in crankcase oil

The concentrations of polycyclic aromatic hydrocarbons (PAHs) were measured in automotive crankcase oils. PAHs were not detected in the new oil; however, concentrations increased rapidly with usage in the gasoline engine of an automobile. The PAH distributions found were dominated by alkylated two-...

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Bibliographic Details
Published in:Environmental pollution (1987) 1988, Vol.49 (2), p.89-97
Main Authors: Pruell, Richard J., Quinn, James G.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Friction, wear, lubrication
Machine components
Mechanical engineering. Machine design
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Summary:The concentrations of polycyclic aromatic hydrocarbons (PAHs) were measured in automotive crankcase oils. PAHs were not detected in the new oil; however, concentrations increased rapidly with usage in the gasoline engine of an automobile. The PAH distributions found were dominated by alkylated two- and three-ring compounds. The concentrations of these compounds increased until about 4000 miles and then levelled out. Four-ring compounds continually increased with miles driven, and the five-ring benzopyrenes were only detected in the oil used for the longest distance (about 5800 miles).
ISSN:0269-7491
1873-6424
DOI:10.1016/0269-7491(88)90242-4