Title:
METHOD FOR TREATING NEOPENTYL GLYCOL WASTEWATER
Document Type and Number:
WIPO Patent Application WO/2024/053938
Kind Code:
A1
Abstract:
The present invention provides a method for treating neopentyl glycol wastewater, comprising the steps of: recovering wastewater, which contains a catalyst, from at least one process from among an aldol purification process, an neopentyl glycol purification process and an extractant recovery process, so as to supply volatile organic compounds to a separation column; obtaining, from the separation column for volatile organic compounds, a top effluent stream containing a catalyst and a bottom effluent stream containing wastewater from which the catalyst is removed; and supplying the bottom effluent stream to a wastewater treatment system so as to treat the wastewater.
Inventors:
KIM SUNG KYUN (KR)
LEE SUNG KYU (KR)
LEE MIN WOOK (KR)
LEE SUNG KYU (KR)
LEE MIN WOOK (KR)
Application Number:
PCT/KR2023/013051
Publication Date:
March 14, 2024
Filing Date:
September 01, 2023
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C02F1/58; B01D3/32; C02F1/04; C07C29/14; C07C29/74; C07C31/20; C02F101/16
Foreign References:
| KR20170029311A | 2017-03-15 | |||
| JPH0782192A | 1995-03-28 | |||
| JPH09110792A | 1997-04-28 | |||
| JP2016505074A | 2016-02-18 | |||
| CN112174794A | 2021-01-05 |
Attorney, Agent or Firm:
P&P PATENT LAW FIRM (KR)
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