DLA Piper LLP (US)
Process for manufacturing high quality naphthenic base oils
A method of manufacturing high-quality naphthenic base oils comprising a high aromatic content and a large amount of impurities with a boiling point higher than that of gasoline. High-quality naphthenic base oil may be manufactured from light cycle oil (LCO) and slurry oil (SLO), which are inexpensive, and have a high aromatic content, a large amount of impurities, and which are effluents of a fluidized catalytic cracking (FCC) unit. The method also relates to the pretreatment process of a feedstock, where the amounts of impurities (sulfur, nitrogen, polynuclear aromatic compounds and various metals components) in the feedstock are reduced.
SK Lubricants Co., Ltd.
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Seung Woo Kyung Seok Yoon Mang Sam Ryong Jee Sun Chang Kuk Seong Han Do Woan Gyung Rok Byoung In Ju Hyun
Lee Noh Hwang Park Shin Kim Song Kim Kim Lee Lee