Process of producing high-quality lube base oil by using refined oil fraction of waste lubricant

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United States of America

PATENT NO 12227705
APP PUB NO 20230416621A1
SERIAL NO

18456321

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Abstract

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Proposed is a process of producing a high-quality lube base oil using a refined oil fraction obtained from waste lubricant as a feedstock. The process includes purifying waste lubricant to obtain a refined oil fraction, pretreating the refined oil fraction, and blending the pretreated refined oil fraction with unconverted oil (UCO), before or after vacuum distillation and catalytic dewaxing of the unconverted oil, or between the vacuum distillation and the catalytic dewaxing of the unconverted oil.

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Patent Owner(s)

  • SK INNOVATION CO., LTD.; SK ENMOVE CO., LTD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jeon, Young Wook Daejeon, KR 8 72
Kim, Do Woan Daejeon, KR 25 201
Noh, Kyung Seok Daejeon, KR 14 62
Ok, Jin Hee Daejeon, KR 9 11

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