Abstract
Cobalt-loaded activated carbon fibers (ACFs) supported titanium dioxide (TiO2) photocatalyst was developed by sol-gel method. The Co-ACFs/TiO2 photocatalyst were characterized by scanning electron microscope (SEM), X-ray diffraction patterns (XRD), energy dispersive X-ray analysis (EDX) and UV-vis absorption spectroscopy. Decomposition efficiency of methylene blue (MB) solution by Co-ACFs/TiO2 photocatalyst reached almost 100% under 300 min reaction. The MB molecules in the bulk solutions were supposed to be condensed around TiO2 particles by adsorption of ACFs. Therefore, the photocatalyst possesses the combined effect of adsorption by activated carbon fibers and photocatalytic reactivity of TiO2 on MB degradation. Due to the cobalt has electron transition effece, thus improved the photodegradation of MB solution.
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