Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1998-02-04
2000-02-08
Straub, Gary P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
423592, 423598, 423600, 423608, 423610, 423613, 502308, 502309, 502323, B01J 2300, C01B 1314, C01G 2300, C01F 702
Patent
active
060228245
ABSTRACT:
A titanium compound for photochemical reactions having a high catalytic activity per unit surface area and extremely good stability to heat treatment is made of a substitutional solid solution of titanium oxide in which aluminum atoms occupy titanium sites of the titanium oxide uniformly at a predetermined ratio. Aluminum atoms preferably occupy about 0.01 to 0.5% of the titanium sites. The titanium compound for photochemical reactions is obtained from a complex alkoxide of titanium and aluminum.
REFERENCES:
"Synthesis of Thermally Stable Nanocrystalline Anatase by High-Temperature Hydrolysis of Titanium Alkoxide with Water Dissolved in Organic Solvent from Gas Phase"; Journal of Materials Science Letters; 15 (1996); pp. 197-200; by H. Kominami, Y. Takada, H. Yamagiwa, Y. Kera, M. Inoue and T. Inui.
"Preparation and Properties of Titania Pillared Clay"; Materials Chemistry and Physics; 17, (1987); pp. 87-101; by Shoji Yamanaka, Tatsuo Nishihara and Makoto Hattori.
Japan Chemical Society, 71st Autumn Annual Meeting; (1996), Preprints, p. 84, 4P1, .beta.24.
15th "Symposium on Photocatalyst Chemistry", p. 29; Japan.
Electrochemical Society, 1996 Autumn Meeting, Synopses, p. 234, 1I12; Japan .
Abe Yoshio
Okabe Shinsei
Murata Manufacturing Co. Ltd.
Nguyen Cam N.
Straub Gary P.
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