The conditions for the synthesis of TiO2 photocatalytic coatings on stainless steel using a novel P-25 powder modified sol gel method1,2, including the loading of P-25 in the sol and the calcination temperature, have been optimized. The results showed that the TiO2 film prepared from sol containing 50 g/L P-25 (PPMSGF-50) and calcined at 500°C for 1 hour exhibits the highest photocatalytic activity, a consolidated crystal structure and good mechanical stability. Moreover, there is almost no Cr3+ on the surface of the film. Therefore, it is a promising material to be used in the development of immobilized-type photocatalytic reactors for the purification, disinfection and recycle of water in space missions.
High Performance TiO2 Photocatalytic Coatings and Reactors for the Purification, Disinfection and Recycle of Water in Space Applications
Sae Technical Papers
International Conference On Environmental Systems ; 2005
11.07.2005
Aufsatz (Konferenz)
Englisch
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