REGENERATION OF CATALYSTS USED IN THE MANUFACTURE OF BISPHENOLS

A method for regenerating deactivated sulfonated cation exchange catalysts comprises washing the deactivated catalyst with phenol-water mixtures comprising about 5-20 wt. % of water in phenol at a temperature of about 70-95° C.

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Bibliographische Detailangaben
Hauptverfasser:	PEEMANS, RUDY, FRANCOIS, ALAIN, JOSEPH, NANCE, DARLENE, HOPE, BARO, KARL, AARON, KISSINGER, GAYLORD, MICHAEL, SHAFFER, SHELDON, JAY, MBELEDOGU, CHUKS, O, GEORGIEV, EMIL, MARKOV, SCHALRMANN, EDUARD, HENDRICUS, KRUGLOV, ALEXEY
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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 regenerating deactivated sulfonated cation exchange catalysts comprises washing the deactivated catalyst with phenol-water mixtures comprising about 5-20 wt. % of water in phenol at a temperature of about 70-95° C.