Novick, Kim & Lee, PLLC
Method for regeneration of used lubricating oils
A method for the regeneration of used lubricating oils to produce lubricant base oils includes the steps of (a) removing resin and impurities by distillation, (b) catalytic oxidation treatment and (c) adsorption process. The method can efficiently reduce the color, metal ions, and sulfur content under mild reaction conditions at low cost and obtain high yield of regenerated oil above 85 wt. %.
Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences
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Guangci Xuebing Bin Song Keng H.
Li Li Chen Chen Chung