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Analysis and Feasibility Study on Additives Recycling of Waste Engine Oil

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Analysis and Feasibility Study on Additives Recycling of Waste Engine Oil

Release date:2018-02-11 16:50 source:http://www.hlamec.com clicks:

In 2017,car ownership in China reached 3 hundred million. Suppose each car replacing 5 liters engine oil every year,the annual waste lubricating oil will get to 1620 million liters in China,which is a great renewable resource. If not properly recycled and reused,it will harm the environment seriously. Five types of gasoline engine oils were analyzed,including fresh engine oils and used oils correspondingly. Based on measuring their total acid values,element contents,particulate contaminations and tribological performances,the differences of performances and element contents for all kinds of fresh engine oils and waste engine oils were compared,and the correlation of elements change with additives of waste lubricating oils was analyzed. The results show that the acid values and particulate contaminations of waste engine oils increase significantly compared with the fresh oils,because of the consumption of additives,for example extreme pressure additives,depersants,etc,oxidation effect of friction chemical reactions,abrasion of friction pair materials and its chemical reaction with lubrication additives. The consumption of extreme pressure additives and the increasing of particulate contamination lead the extreme pressure value of waste engine oils to fall,wear scar diameter and friction coefficient to increase. The tested waste engine oils still have a certain amount of raw additives and the performances of anti-extreme pressure,anti-wear,friction reducing and lubricating. It is possible to make the waste engine oils regenerated by filtering pollution particles (oxidation products,etc.),and supplying reproductive additives and dispersants.


Related Tags:oil recycling,oil regeneration,oil refinery,waste engine oil recycling,motor oil recycling,lube oil recycling

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