A METHOD FOR THE PURIFICATION OF ION EXCHANGE RESINS USED IN THE PRODUCTION OF BISPHENOL A

A method for treating a sulfonic acid-containing ion exchange resin to remove destabilizing impurities therefrom is disclosed. The method comprises contacting the resin with a base, followed by contact with a strong acid. The treated ion exchange resin is particularly suitable for use as a catalyst...

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Bibliographische Detailangaben
1. Verfasser:	FALER, GARY RAY
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for treating a sulfonic acid-containing ion exchange resin to remove destabilizing impurities therefrom is disclosed. The method comprises contacting the resin with a base, followed by contact with a strong acid. The treated ion exchange resin is particularly suitable for use as a catalyst in the preparation of bisphenol A.