METAL OXIDE-BASED COMPOSITE MATERIAL, METAL OXIDE-CONTAINING CATALYST AND METHOD OF MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To obtain a composite oxide in which each component is uniformly dispersed and has uniform crystalline state. SOLUTION: The composite oxide is produced by supplying ammonia gas from an introducing pipe 2 to a chamber 1 to fill ammonia gas in the chamber, spraying a raw material...

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Bibliographische Detailangaben
1. Verfasser:	IWAKUNI HIDEJI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS COMPOUNDS THEREOF ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING INORGANIC CHEMISTRY LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL STEAM ENGINES THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a composite oxide in which each component is uniformly dispersed and has uniform crystalline state. SOLUTION: The composite oxide is produced by supplying ammonia gas from an introducing pipe 2 to a chamber 1 to fill ammonia gas in the chamber, spraying a raw material solution in which a plurality of kinds of metallic salts are dissolved into the chamber 1 from a nozzle 3 in this state to wrap the fine liquid drops of the raw material solution with an ammonia gas atmosphere to quickly advance the hydroxide production reaction from the surface of the fine liquid drops to the inside of the liquid drops, washing/drying/firing the resultant composite oxide precursor 13. COPYRIGHT: (C)2004,JPO&NCIPI