Study on the Photocatalytic Degradation of Bisphenol a by La3+ Doping TiO2 under Sunshine Irradiation

Xing Jin; Jin Lan Lian; Yu Qiao

doi:10.4028/www.scientific.net/AMR.535-537.2220

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Study on the Photocatalytic Degradation of Bisphenol a by La³⁺ Doping TiO₂ under Sunshine Irradiation

Abstract:

Lanthanum doping TiO2 powders were prepared using sol-gel method, and characterized by XRD. The doping quantity, time of solar irradiation and the added quantity of catalyst were investigated for the influence on the photocatalytic degradation of bisphenol A. The results show the structure of La3+ doped TiO2 powders were anatase, particle size were 16 nm. For the initial concentration of bisphenol A solution were 50 mg/L , when the doping quantity of La were 1.0 wt %, the dosing quantity of TiO2 were3.6 g/L, PH value were acid, irradiation time were 2 h, the photocatalytic activity of TiO2 was the best.