TREATMENT OF CRUDE PHENOL LIQUID

PROBLEM TO BE SOLVED: To provide a method for treating a mineral acid by using a long-term usable macroporous weak anion exchange resin having high removal efficiency in a neutralization treatment of the mineral acid contained in a crude phenol liquid obtained by an acid catalyzed decomposition of c...

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Bibliographische Detailangaben
Hauptverfasser:	NAGAMATSU SHIGEKI, SEZAKI YOSHIHIRO, KOKUBU YOSHIMITSU, KITADO SHOJI, INOMATA MASASANE
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for treating a mineral acid by using a long-term usable macroporous weak anion exchange resin having high removal efficiency in a neutralization treatment of the mineral acid contained in a crude phenol liquid obtained by an acid catalyzed decomposition of cumene hydroperoxide. SOLUTION: A crude phenol liquid obtained by an acid catalyzed decomposition of cumene hydroperoxide is brought into contact with a macroporous weak anion exchange resin having 0.15-1.5 mm average particle diameter and 1.0-1.4 particle diameter distribution uniformity to remove and neutralize a mineral acid. The exchange resin having 5-10 cross-linking degree can be preferably used.