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Efficient Degradation of Ciprofloxacin by S-Scheme BiOBr/WO3 Heterojunction under Simulated Visible Light
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Xu CHAI1, 2, Shengwang GAO2, Yuxuan ZHANG2, Guoying WANG3, Jianfeng GAO1
Journal of the Chinese Ceramic Society | 2023, 51(4) : 1049 - 1059
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Journal of the Chinese Ceramic Society | 2023, 51(4): 1049-1059
• Research Articles •
Efficient Degradation of Ciprofloxacin by S-Scheme BiOBr/WO3 Heterojunction under Simulated Visible Light
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Xu CHAI1, 2, Shengwang GAO2, Yuxuan ZHANG2, Guoying WANG3, Jianfeng GAO1
Affiliations
  • 1.School of Chemistry and Chemical Engineering, North University of China, Taiyuan 030051, China
  • 2.Chinese Research Academy of Environmental Sciences, Beijing 100012, China
  • 3.College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China

    • CHAI Xu (1995-), female, Master candidate. E-mail:

About Author:

CHAI Xu (1995-), female, Master candidate. E-mail:

Published: 2023-04-20 doi: 10.14062/j.issn.0454-5648.20220960
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The control of pollutants has attracted considerable recent attention. The removal technology of antibiotics as pollutants becomes a challenge, especially water treatment technology based on photocatalytic degradation of antibiotics. In this paper, WO3 was prepared by a hydrothermal method, and the S-scheme heterojunction BiOBr/WO3 was constructed by a precipitation method at room temperature. Compared with BiOBr and WO3, the formation of S-scheme heterojunction improves the photocatalytic activity, and reduces the recombination rate of photogenerated electron-hole pairs. The optimum photocatalytic performance of BiOBr/WO3 with a mass fraction of 20% can be achieved, and the degradation rate for ciprofloxacin (CIP) is 94.93% within 120 min. Based on the electron spin resonance and radical trapping experiments, ·O2- is a primary active component in the photocatalytic degradation of CIP. The results of high-performance liquid chromatography-mass spectrometer system indicate that six intermediates are produced during the degradation of CIP, which are eventually mineralized into CO2, H2O and other inorganic ions.

tungsten trioxide  /  bismuth oxybromide  /  ciprofloxacin  /  photocatalytic  /  S-scheme heterojunction
柴序, 高生旺, 张宇轩, 王国英, 高建峰. S型BiOBr/WO3异质结在模拟可见光下高效降解环丙沙星. 硅酸盐学报, 2023 , 51 (4) : 1049 -1059 . DOI: 10.14062/j.issn.0454-5648.20220960
Xu CHAI, Shengwang GAO, Yuxuan ZHANG, Guoying WANG, Jianfeng GAO. Efficient Degradation of Ciprofloxacin by S-Scheme BiOBr/WO3 Heterojunction under Simulated Visible Light[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (4) : 1049 -1059 . DOI: 10.14062/j.issn.0454-5648.20220960
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Year 2023 volume 51 Issue 4
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Article Info
doi: 10.14062/j.issn.0454-5648.20220960
  • Receive Date：2022-11-09
  • Online Date：2026-10-20
  • Published：2023-04-20
Article Data
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History
  • Received：2022-11-09
  • Revised：2022-12-07
Funding
Affiliations
    1.School of Chemistry and Chemical Engineering, North University of China, Taiyuan 030051, China
    2.Chinese Research Academy of Environmental Sciences, Beijing 100012, China
    3.College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Corresponding:

ZHANG Yuxuan (1992-), female, Ph.D., Assistant Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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