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US 2012/0067828 A1Published application
Photocatalyst and method for production
AssigneeCRC CARE Pty Ltd
InventorsFang Han, Venkata Subba Rao Kambala, Ravendra Naidu
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Abstract
The present invention relates generally to methods for producing modified titanium dioxide based photocatalysts via a sol-gel process. The present invention also relates to photocatalysts produced according to the methods of the invention and uses of the photocatalysts for the degradation of contaminants in samples.
Claims25
1-30. (canceled)
A method for producing a photocatalyst, the method comprising the steps of:
- (i) providing a reaction mixture containing:
- a titanium alkoxide;
- nitric acid;
- water;
- and
- a metal nitrate;
- (ii) maintaining the reaction mixture for a time and under conditions to allow the formation of a gel;
- and
- (iii) drying and/or calcining the gel.
6 more elements
A photocatalyst produced by the method comprising:
- (i) providing a reaction mixture containing:
- a titanium alkoxide;
- nitric acid;
- water;
- and
- a metal nitrate;
- (ii) maintaining the reaction mixture for a time and under conditions to allow the formation of a gel;
- and
- (iii) drying and/or calcining the gel.
6 more elements
Dependencies are inferred from the claim text.