Removal of Trace As(V) from Water with the Titanium Dioxide/ACF Composite Electrode
作者： Liang Peng , Yaping Chen , Hong Dong , Qingru Zeng , Huijuan Song
DOI: 10.1007/S11270-015-2463-X
关键词:
摘要: The novel titanium oxide/active carbon fiber (TiO2/ACF) electrode was prepared, and electrosorptive properties for As(V) in aqueous solution were investigated. structure of TiO2/ACF characterized with transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR). Furthermore, the electrodes calcination temperature, ionic species, loaded amount TiO2 measured, electrosorption isotherm kinetics investigated at applied voltage 1.5 V. optimal load quality 0.80 g per ACF (length × width height = 2 cm 1 0.4 cm, 0.30 g), optimum temperature 450 °C. maximum capacity 8.09 mg/g, about 200 % higher than that ACF. Moreover, performance stable other materials such as pure ACF, manganese oxide/ACF, iron oxides/ACF. It can process 100 ppb water to 6 (reach drinking standards WHO), demonstrating our is potential practical application.
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