Use of Titanium Dioxide Mixed Oxide as a Photocatalyst
First Claim
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1. A titanium dioxide mixed oxide as a photocatalyst, wherein the titanium dioxide mixed oxide has the following features:
- BET surface area;
5 to 300 m2/g,a mixed oxide component;
one or several oxides selected from the group consisting of aluminium, cerium, silicon, tungsten, zinc, zirconium, and mixtures thereofproportions;
titanium dioxide more than 97.5 wt. %,the mixed oxide component ≧
0.1 to <
2 wt. %,the sum of the contents of titanium dioxide and a secondary component at least 99.5 wt. %, each based on the total quantity of the mixed oxides, andthe titanium dioxide content of the primary particles including intergrown rutile and anatase phases.
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Abstract
Use of titanium dioxide mixed oxide as a photocatalyst, wherein the titanium dioxide mixed oxide has the following features: BET surface area: 5 to 300 m2/g, mixed oxide component: one or several oxides from the group comprising aluminium, cerium, silicon, tungsten, zinc and zirconium, proportions: titanium dioxide more than 97.5 wt. %, mixed oxide component ≧0.1 to <2 wt. %, sum of the contents of titanium dioxide and secondary component at least 99.5 wt. %, each based on the total quantity of the mixed oxide, titanium dioxide content of the primary particles containing intergrown rutile and anatase phases.
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5 Claims
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1. A titanium dioxide mixed oxide as a photocatalyst, wherein the titanium dioxide mixed oxide has the following features:
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BET surface area;
5 to 300 m2/g,a mixed oxide component;
one or several oxides selected from the group consisting of aluminium, cerium, silicon, tungsten, zinc, zirconium, and mixtures thereofproportions; titanium dioxide more than 97.5 wt. %, the mixed oxide component ≧
0.1 to <
2 wt. %,the sum of the contents of titanium dioxide and a secondary component at least 99.5 wt. %, each based on the total quantity of the mixed oxides, and the titanium dioxide content of the primary particles including intergrown rutile and anatase phases. - View Dependent Claims (2, 3, 4, 5)
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Specification