Coated Catalyst for the Oxidative Dehydrogenation of N-Butenes to Butadiene

The invention relates to a coated catalyst which comprises (a) a support body, (b) a shell comprising a catalytically active multimetal oxide comprising molybdenum and at least one further metal, where the shell is made up of multimetal oxide particles having a d50 of from 6 to 13 μm, and can be obt...

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Bibliographische Detailangaben
Hauptverfasser:	WALSDORFF CHRISTIAN, RÜTTINGER WOLFGANG, ROSOWSKI FRANK, DOBNER CORNELIA KATHARINA, SCHMITT CHRISTINE, GRÜNE PHILIPP
Format:	Patent
Sprache:	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 invention relates to a coated catalyst which comprises (a) a support body, (b) a shell comprising a catalytically active multimetal oxide comprising molybdenum and at least one further metal, where the shell is made up of multimetal oxide particles having a d50 of from 6 to 13 μm, and can be obtained by (i) production of a multimetal oxide precursor composition comprising molybdenum and at least one further metal, (ii) production of a shaped body from the multimetal oxide precursor composition, (iii) calcination of the shaped body composed of the multimetal oxide precursor composition to produce a multimetal oxide composition, (iv) milling of the shaped body composed of multimetal oxide composition to form multimetal oxide particles having a d50 of from 6 to 13 μm, (v) coating of the support body with the multimetal oxide particles, (vi) thermal treatment of the coated support body.