Citation: CHEN Shijie, TANG Xiaojun, CHEN Xi, LI Yingjie, GAO Lidi, WANG Peng. Efficiency and Mechanism of Photocatalytic Oxidation of Norfloxacin in Wastewater by C/Fe-Bi₂WO₆[J]. Chinese Journal of Applied Chemistry, ;2017, 34(8): 936-945. doi: 10.11944/j.issn.1000-0518.2017.08.170019 shu

Efficiency and Mechanism of Photocatalytic Oxidation of Norfloxacin in Wastewater by C/Fe-Bi₂WO₆

CHEN Shijie ^a ,
TANG Xiaojun ^a ,
CHEN Xi ^a ,
LI Yingjie ^a,, ,
GAO Lidi ^a ,
WANG Peng ^b

a.
College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar, Heilongjiang 161006, China
b.
School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China

Corresponding author: LI Yingjie, lyj310@163.com
Received Date: 18 January 2017
Revised Date: 2 March 2017
Accepted Date: 2 May 2017

Fund Project: Research Business Special Fund of Heilongjiang Provincial Education Department No.135109209Supported by Research Business Special Fund of Heilongjiang Provincial Education Department(No.135109209)

Figures(9)

The C/Fe-Bi₂WO₆ photocatalyst was prepared by a two-step method, involving resin carbonization and hydrothermal reaction process. Comparative research on photoactivities of different catalysts was carried out. Influence of condition factors on photocatalytic oxidation degradation of norfloxacin(NOR) solution under simulated sunlight irradiation was investigated. The degrading reaction fits the first-order kinetics well under experimental conditions. After irradiation under a 500 W Xenon lamp for 60 min, NOR completely decomposed with the first order reaction rate constant(K_app) of 0.0751 min^-1 under the conditions that the initial concentration of NOR is 10 mg/L, the C/Fe-Bi₂WO₆ loading is 0.75 g/L, and the concentration of H₂O₂ is 200 mg/L at pH 7.0. The OH formation in C/Fe-Bi₂WO₆ photocatalytic oxidation was studied via molecular fluorescence spectrum, and the possible photocatalytic oxidation mechnasim and the degradation paths and intermediate products of NOR were proposed.
- C/Fe-Bi₂WO₆,
- photocatalytic oxidation,
- norfloxacin
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Efficiency and Mechanism of Photocatalytic Oxidation of Norfloxacin in Wastewater by C/Fe-Bi2WO6

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通讯作者: 陈斌, bchen63@163.com

Efficiency and Mechanism of Photocatalytic Oxidation of Norfloxacin in Wastewater by C/Fe-Bi₂WO₆