Degradation of Tetracycline with BiFeO3 Prepared by a Simple Hydrothermal Method
AbstractBiFeO3 particles (BFO) were prepared by a simple hydrothermal method and characterized. BFO was pure, with a wide particle size distribution, and was visible light responsive. Tetracycline was chosen as the model pollutant in this study. The pH value was an important factor influencing the degradation efficiency. The total organic carbon (TOC) measurement was emphasized as a potential standard to evaluate the visible light photocatalytic degradation efficiency. The photo-Fenton process showed much better degradation efficiency and a wider pH adaptive range than photocatalysis or the Fenton process solely. The optimal residual TOC concentrations of the photocatalysis, Fenton and photo-Fenton processes were 81%, 65% and 21%, while the rate constants of the three processes under the same condition where the best residual TOC was acquired were 9.7 × 10−3, 3.2 × 10−2 and 1.5 × 10−1 min−1, respectively. BFO was demonstrated to have excellent stability and reusability. A comparison among different reported advanced oxidation processes removing tetracycline (TC) was also made. Our findings showed that the photo-Fenton process had good potential for antibiotic-containing waste water treatment. It provides a new method to deal with antibiotic pollution. View Full-Text
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Xue, Z.; Wang, T.; Chen, B.; Malkoske, T.; Yu, S.; Tang, Y. Degradation of Tetracycline with BiFeO3 Prepared by a Simple Hydrothermal Method. Materials 2015, 8, 6360-6378.
Xue Z, Wang T, Chen B, Malkoske T, Yu S, Tang Y. Degradation of Tetracycline with BiFeO3 Prepared by a Simple Hydrothermal Method. Materials. 2015; 8(9):6360-6378.Chicago/Turabian Style
Xue, Zhehua; Wang, Ting; Chen, Bingdi; Malkoske, Tyler; Yu, Shuili; Tang, Yulin. 2015. "Degradation of Tetracycline with BiFeO3 Prepared by a Simple Hydrothermal Method." Materials 8, no. 9: 6360-6378.