PROCESS FOR PREPARATION OF OXIDATION CATALYST

A process for the preparation of an oxidation catalyst, consisting of molybdenum, bismuth, a group II metal of the periodic table and oxygen, which comprises in combination the steps of combining (a) a dispersion in which a member selected from the group consisting of the oxides of antimony and bism...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUDA K,JA, UMEMURA S,JA, HIDAKA M,JA, YAMADA K,JA, SAWAZI M,JA, OHDAN K,JA, BANDO Y,JA
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for the preparation of an oxidation catalyst, consisting of molybdenum, bismuth, a group II metal of the periodic table and oxygen, which comprises in combination the steps of combining (a) a dispersion in which a member selected from the group consisting of the oxides of antimony and bismuth antimonate has been suspended, (b) a solution of a salt of a group II metal of the periodic table, (c) a solution of a member selected from molybdic acid and the salts thereof, and (d) a solution of a bismuth salt; adjusting the pH of the combined solution to a value of 1 - 8 to thereby cause the formation of a coprecipitate containing the four components of molybdenum, antimony, bismuth and group II metal; separating the resulting coprecipitate from the mother liquor; washing the coprecipitate; and thereafter calcining the washed coprecipitate at a temperature ranging from 400 DEG and 800 DEG C.