Abstract
Activated carbon fiber-supported cobalt phthalocyanine photocatalyst (Co-TDTAPc-F) was prepared in this study, and its performance for dye wastewater decoloration was investigated, and Acid Orange II (AO7) was selected as the target pollutant. The morphology analysis of Co-TDTAPc-F was conducted, and the effects of catalyst loading, H2O2 addition, solution pH, and catalyst reuse on AO7 decoloration efficiency were evaluated. The results showed that AO7 decoloration efficiency increased by 23.2% during the Co-TDTAPc-F photocatalytic process as compared with solely Co-TDTAPc-F adsorption, and the decoloration process was fitted by pseudo first-order reaction. The increase of catalyst loading and H2O2 content both benefitted AO7 decoloration. Strong photocatalytic activities were observed at both acidic and alkaline conditions; however, total organic carbon (TOC) removal efficiency decreased with the increase of solution pH. Strong photocatalytic activity was still observed after four times reuse. The mechanisms of AO7 photocatalytic decomposition by Co-TDTAPc-F were proposed.
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Acknowledgments
The authors thank the Projects funded by the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau (A314021402-1520), Postdoctoral Fund of Shaanxi Province (K3380216027), Natural Science Foundation of Shaanxi Province (K3320215185, K3320215186), and Fundamental Research Fund for the Central Universities (Z109021617) for the financial supports to this research.
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Wang, T., Li, Y., Qu, G. et al. Photocatalytic Degradation of Acid Orange II Using Activated Carbon Fiber-Supported Cobalt Phthalocyanine Coupled with Hydrogen Peroxide. Water Air Soil Pollut 227, 464 (2016). https://doi.org/10.1007/s11270-016-3159-6
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DOI: https://doi.org/10.1007/s11270-016-3159-6