METHOD FOR PRODUCTION OF CATALYST FOR SYNTHESIS OF UNSATURATED ALDEHYDE AND UNSATURATED CARBOXYLIC ACID

PROBLEM TO BE SOLVED: To provide a production method for a catalyst for synthesizing unsaturated aldehydes and unsaturated carboxylic acids at a high yield in a gas-phase catalytic oxidation reaction. SOLUTION: A raw material salt solution containing at least molybdenum, bismuth, iron, nickel and/or...

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Hauptverfasser:	NOMURA KOZABURO, TSUCHIMOTO KAZUYA, YAMANISHI OSAMU
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:	PROBLEM TO BE SOLVED: To provide a production method for a catalyst for synthesizing unsaturated aldehydes and unsaturated carboxylic acids at a high yield in a gas-phase catalytic oxidation reaction. SOLUTION: A raw material salt solution containing at least molybdenum, bismuth, iron, nickel and/or cobalt as catalyst ingredients is subjected to a heating treatment to obtain a catalyst precursor powder having an ignition loss of 1-5%. Subsequently the catalyst precursor powder is molded and burned to form a catalyst for synthesis of unsaturated aldehydes and unsaturated carboxylic acids.