Method for decomposing phenol-based by-product

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United States of America Patent

PATENT NO 12084408
APP PUB NO 20220281791A1
SERIAL NO

17619211

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Abstract

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Provided is a method of decomposing phenol-based by-product, and more particularly, a method of decomposing phenol-based by-product including: introducing a phenol-based by-product stream, a first stream of a side discharge stream from a decomposition device, and a process water stream to a mixing device and mixing the streams; introducing a discharge stream from the mixing device to a layer separation device to phase-separate the discharge stream into an oil phase and an aqueous phase; passing an oil stream discharged from the layer separation device through any one or more of a first heat exchanger and a second heat exchanger and introducing the oil stream to the decomposition device to carry out decomposition; and supplying the first stream of the side discharge stream from the decomposition device to the mixing device, forming a mixed stream of a second stream of the side discharge stream with a lower discharge stream and discharging the mixed stream, and recovering effective components from an upper discharge stream.

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Patent Owner(s)

Patent OwnerAddress
LG CHEM LTD128 YEOUI-DAERO YEONGDEUNGPO-GU SEOUL 07336 07336

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jang, Chi Hyun Daejeon, KR 4 0
Kang, Min Suk Daejeon, KR 52 250
Lee, Sang Beom Daejeon, KR 48 301

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