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1. (WO2018088846) METHOD FOR PURIFYING PHENOL

Pub. No.:    WO/2018/088846    International Application No.:    PCT/KR2017/012740
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Sat Nov 11 00:59:59 CET 2017
IPC: C07C 37/78
C07C 39/04
B01D 3/32
Applicants: LG CHEM, LTD.
주식회사 엘지화학
Inventors: LEE, Si Nae
이시내
LEE, Sung Kyu
이성규
SHIN, Joon Ho
신준호
Title: METHOD FOR PURIFYING PHENOL
Abstract:
The invention relates to a method for purifying phenol comprising the steps of: feeding a feed comprising phenol, acetone, hydroxyacetone, and water to a distillation column at a temperature of between 60℃ and 95℃; separating the feed into a first fraction, which comprises the acetone and is separated into an upper portion of the distillation column, and a second fraction, comprises the phenol and is separated into a lower portion of the distillation column; and recovering the first fraction and the second fraction separately.