A PROCESS FOR PREPARING A CATALYST WITH A HIGHLY DISPERSED CATALYTICALLY-ACTIVE COATING

The invention relates to a process for preparing a catalyst which has a catalytically-active coating of high surface area finely-divided materials and catalytically-active components on an inert support structure. A powder mixture of the finely-divided materials used is impregnated with a solution o...

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Bibliographische Detailangaben
Hauptverfasser:	KREUZER, THOMAS, LEYRER, JURGEN, LOX, EGBERT, DOMESLE, RAINER, KLEIN, HARALD
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a process for preparing a catalyst which has a catalytically-active coating of high surface area finely-divided materials and catalytically-active components on an inert support structure. A powder mixture of the finely-divided materials used is impregnated with a solution of precursor compounds of the catalytically-active components. By suitable combination of the finely-divided materials and the precursor compounds, and appropriate management of the impregnation process, a highly dispersed deposition and adsorption of the catalytically-active components is ensured on the finely-divided materials. Then an aqueous coating dispersion is produced using the impregnated powder mixture, and the support structure is coated therewith. The coating is then dried and calcined.