METHOD FOR DECOMPOSING PHENOLIC BYPRODUCTS

Title:

METHOD FOR DECOMPOSING PHENOLIC BYPRODUCTS

Document Type and Number:

WIPO Patent Application WO/2022/014876

Kind Code:

A1

Abstract:

The present invention relates to a method for decomposing phenolic byproducts, and more specifically, to a method for decomposing phenolic byproducts, which comprises the steps of: feeding a phenolic byproduct stream to a decomposer and conducting pyrolysis; separating an upper effluent stream containing an effective component from a lower effluent stream containing high-boiling point components in the decomposer; feeding the lower effluent stream of the decomposer, a side effluent stream of the decomposer, and a process water stream to a mixing device to conduct mixing; and feeding a stream released from the mixing device to a layer separation device to separate an oily phase and an aqueous phase.

Inventors:

KANG MIN SUK (KR)
LEE SANG BEOM (KR)
SON JI HYANG (KR)
JANG CHI HYUN (KR)

Application Number:

PCT/KR2021/007491

Publication Date:

January 20, 2022

Filing Date:

June 15, 2021

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C07C37/74; C07C7/04; C07C15/085; C07C15/46; C07C39/04; C07C39/16

Foreign References:

KR20200077027A	2020-06-30
KR20200077248A	2020-06-30
KR100396718B1	2003-12-31
JPH08259481A	1996-10-08
JP2005029478A	2005-02-03

Other References: