Photocatalytic degradation of binary azo dyes solution by using titanium oxide suspensions
Ohm Mar Min
Ong, Soon An, Dr
Wong, Yee Shian
Tengku Nuraiti, Tengku Izhar, Dr.
Ho, Li Ngee, Dr.
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Photocatalytic degradation of binary Acid Orange 7 (AO7) and Reactive Green 19 (RG19) under sunlight irradiation in titanium oxide (TiO2) suspensions was investigated. The objectives of this study is to evaluate the relationship of process variable such as different concentration of azo dyes, with/without sunlight irradiation and aeration on photocatalytic degradation of binary AO7 and RG19. The Langmuir-Hinshelwood kinetic model was applied to determine the apparent rate constants for the photodegradation of binary solutions.