PRODUCTION OF POROUS MULTIPLE OXIDE

PROBLEM TO BE SOLVED: To produce a porous multiple oxide having a uniform pore size distribution, contg. many micropores and used as a carrier. SOLUTION: A soln. contg. a silicon dioxide source and a soln. contg. an aluminum oxide source are prepd., one of the solns. is poured into the other under s...

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Hauptverfasser:	BOKU TOKON, NAN SOSEI, KIN KEISHIN, KO SHUNKYO, KEN KOSHIN, HAKU KEITO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS 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 produce a porous multiple oxide having a uniform pore size distribution, contg. many micropores and used as a carrier. SOLUTION: A soln. contg. a silicon dioxide source and a soln. contg. an aluminum oxide source are prepd., one of the solns. is poured into the other under stirring and hydrochloric acid is added to the resultant mixed soln. to prepare a sol. Sodium hydroxide is added to the sol and brought into reaction at ordinary temp. for 30min to 12hr and then drying is carried out to produce the objective porous multiple oxide used as a carrier carrying a catalyst.