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

PATENT NO 11873456
APP PUB NO 20230054666A1
SERIAL NO

17890252

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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)

Patent OwnerAddress
SK ENMOVE CO LTD(SEORIN-DONG) 26 JONG-RO JONGNO-GU SEOUL 03188

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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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