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TiO2 catalysed photo-oxidation of water in the presence of methylene blue

✍ Scribed by K. Tennakone; S. Senadeera; A. Priyadharshana

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
196 KB
Volume
29
Category
Article
ISSN
0927-0248

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✦ Synopsis

Photolysis of an aqueous solution of methylene blue in the presence of TiO 2 is found to generate 0 2 with reduction of methylene blue to the lecuo form. The rate of 0 2 evolution and the rate of reduction of the dye is monitored and the kinetics are determined. The study shows that certain organic molecules adsorbed on TiO 2 can be reduced with concomitant oxidation of water.

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