Verfahren zur Herstellung von Pyridin

Pyridine is prepared by mixing diethanolamine with methanol, formaldehyde or formaldehyde polymers and reacting the resultant mixture in the gaseous phase at 280 DEG to 550 DEG C. in the presence of a catalyst comprising molybdenum oxide, vanadium oxide, thorium oxide, zinc oxide or mixtures thereof...

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Hauptverfasser:	BINDER DR.. HANS, HOCKENBERGER.. LOTHAR
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Pyridine is prepared by mixing diethanolamine with methanol, formaldehyde or formaldehyde polymers and reacting the resultant mixture in the gaseous phase at 280 DEG to 550 DEG C. in the presence of a catalyst comprising molybdenum oxide, vanadium oxide, thorium oxide, zinc oxide or mixtures thereof. The specified oxides are preferably applied to carriers to provide a content of 10 to 50% by weight of oxide(s) with respect to the carrier.