WATER-RESISTANT TITANIUM OXIDE-GLASS COMPOSITE MATERIAL, ITS MANUFACTURING METHOD AND WATER PURIFICATION EQUIPMENT CONTAINING IT

PROBLEM TO BE SOLVED: To provide a water-resistant titanium oxide-glass composite material which can be manufactured by a convenient and inexpensive method and provide necessary and sufficient water resistance when used in water purification equipment, its manufacturing method and water purification...

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Bibliographische Detailangaben
Hauptverfasser:	NIWA KOICHI, IKUMA YASUO, HISATAKA YUMI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a water-resistant titanium oxide-glass composite material which can be manufactured by a convenient and inexpensive method and provide necessary and sufficient water resistance when used in water purification equipment, its manufacturing method and water purification equipment containing it. SOLUTION: A Ti/Si alkoxide dispersion formed by dispersing fine powder of titanium oxide in a Si alkoxide solution is sprayed onto a substrate composed of a glass material by spray coating under a specified gas pressure so as to form a film in which fine powder of titanium oxide constitutes a specific insular structure on the surface of the substrate. The resultant film is baked under specified temperature conditions to disperse silicon into the glass substrate in order to achieve a high adhesion between the photo-catalyst active layer and the substrate while retaining a high activity of the photo-catalyst. COPYRIGHT: (C)2008,JPO&INPIT