DE1442892

In a process for preparing a catalyst a chromyl fluoride is reacted with a solid carrier comprising SiO2, volatile SiF4 is liberated and removed to leave a layer of chromium oxide on the carrier. The preparation of chromium oxide or SiO2 or natural and synthetic SiO2-Al2O3 is described.

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Bibliographische Detailangaben
Hauptverfasser:	SACCARDO, PIETRO, HERZENBERG, JEAN, TRADA, GIANNI, FATTORE, VITTORIO
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	In a process for preparing a catalyst a chromyl fluoride is reacted with a solid carrier comprising SiO2, volatile SiF4 is liberated and removed to leave a layer of chromium oxide on the carrier. The preparation of chromium oxide or SiO2 or natural and synthetic SiO2-Al2O3 is described.