Process for preparing a platinum/rhodium catalyst

The process for preparing a regionalized platinum/rhodium catalyst using a single impregnating step. The process is particularly effective in preparing such a catalyst for use as an automotive emissions control catalyst. A substantially alumina support is impregnated in a platinum/rhodium controlled...

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Bibliographische Detailangaben
Hauptverfasser:	ESKINAZI, VICTORIA, KIRNER, JOHN F, WILSON, CHARLES R
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The process for preparing a regionalized platinum/rhodium catalyst using a single impregnating step. The process is particularly effective in preparing such a catalyst for use as an automotive emissions control catalyst. A substantially alumina support is impregnated in a platinum/rhodium controlled acidic solution of a strong acid and an ammonium salt or equivalent thereof.