Making aluminosilicates

Making aluminosilicates

A method for making a porous composite oxide, which includes the steps of: (a) slowly mixing a solution including a silicon oxide source and a solution including an aluminium oxide source; (b) adding hydrochloric acid to the mixed solution prepared in said step (a) to obtain a sol; and (c) adding so...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SOON-KYO HONG, HO-JIN KWEON, SANG-SUNG NAM, HYE-JIN KIM, DONG-GON PARK, KAE-DONG BAEK
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:A method for making a porous composite oxide, which includes the steps of: (a) slowly mixing a solution including a silicon oxide source and a solution including an aluminium oxide source; (b) adding hydrochloric acid to the mixed solution prepared in said step (a) to obtain a sol; and (c) adding sodium hydroxide to said sol, allowing the resultant mixture to react at room temperature for 30 minutes to 12 hours, and drying the product so obtained. The porous composite oxide so formed has an abundance of fine pores and a relatively uniform distribution of pore sizes making it suitable for use a carrier or catalytic support.