J Appl Electrochem 35(7) 693-697(2005)
Photocatalytic microreactor study using TiO2 coated porous ceramics.
Sittidej Teekateerawej, Junichi Nishino and Yoshio Nosaka
(Abstract)
Two kinds of porous ceramic disk having through holes with diameters of 0.1 and 0.05 mm were coated with TiO2 using two kinds of starting solution of titanyl(IV)acetylacetonate and a commercial titania sol (STS-01). The morphology of these porous ceramics before and after TiO2 coating was observed by SEM. The TiO2 coated porous ceramics were exploited as a honeycomb photocatalytic microreactor. The photocatalytic activity was evaluated using the decomposition of methylene blue solution for radiation angles of 0° and 10° to the pore axis. The highest photocatalytic activity was obtained for the porous ceramic having a pore diameter of 0.1 mm, coated with titanyl(IV)acetylacetonate and irradiated with a light angle of 0° to the pore axis.
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