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Energies 2013, 6(2), 1023-1049; doi:10.3390/en6021023

Recycling of Waste Engine Oils Using a New Washing Agent

1
Faculty of Engineering and Surveying, National Centre for Engineering in Agriculture, University of Southern Queensland, Toowoomba 4350, QLD, Australia
2
Faculty of Engineering and Science, University of Koya, Koya KOY45 AB64, Iraq
*
Author to whom correspondence should be addressed.
Received: 3 December 2012 / Revised: 21 January 2013 / Accepted: 6 February 2013 / Published: 19 February 2013
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Abstract

This paper addresses recycling of waste engine oils treated using acetic acid. A recycling process was developed which eventually led to comparable results with some of the conventional methods. This gives the recycled oil the potential to be reused in cars’ engines after adding the required additives. The advantage of using the acetic acid is that it does not react or only reacts slightly with base oils. The recycling process takes place at room temperature. It has been shown that base oils and oils’ additives are slightly affected by the acetic acid. Upon adding 0.8 vol% of acetic acid to the used oil, two layers were separated, a transparent dark red colored oil and a black dark sludge at the bottom of the container. The base oils resulting from other recycling methods were compared to the results of this paper. The comparison showed that the recycled oil produced by acetic acid treatment is comparable to those recycled by the other conventional methods. View Full-Text
Keywords: waste recycling; waste engine oils; engine oils; waste oils; used engine oils waste recycling; waste engine oils; engine oils; waste oils; used engine oils
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Hamawand, I.; Yusaf, T.; Rafat, S. Recycling of Waste Engine Oils Using a New Washing Agent. Energies 2013, 6, 1023-1049.

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