Modified catalyst for conversion of oxygenates to olefins

The present invention relates to a novel process for producing zeolitic catalysts, in which modification is effected with phosphorus-containing components, and to the catalyst obtainable thereby and to the use thereof as a catalyst in a process for preparing lower olefins from oxygenates. The modifi...

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Bibliographische Detailangaben
Hauptverfasser:	STEFAN KLINGELHOFER, JOAQUIN MARTINEZ TRIGUERO, FRAUENRATH MANFRED
Format:	Patent
Sprache:	chi ; eng
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:	The present invention relates to a novel process for producing zeolitic catalysts, in which modification is effected with phosphorus-containing components, and to the catalyst obtainable thereby and to the use thereof as a catalyst in a process for preparing lower olefins from oxygenates. The modification includes the removal of weakly bonded phosphorus-containing species by treatment with an aqueous solution.