期刊
FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING
卷 13, 期 3, 页码 -出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s11783-019-1117-4
关键词
Dielectric barrier discharge; Antibiotic; Metronidazole; Water treatment
资金
- Fujian Science and Technology Plan Project [2019H0036]
- Science and Technology Program of Xiamen [3502Z20183041]
- Climbing Program for Research of Xiamen University of Technology [XPDKT18011]
- Graduate Technology Innovation Project [YKJCX2018]
- College Students Innovation Training Program of Xiamen University of Technology [201811062048]
Degradation of metronidazole (MNZ) which is a representative and stable antibiotic by dielectric barrier discharge (DBD) in an aqueous solution has been studied. Effects of initial MNZ concentration, solution pH and coexisting organics on the degradation were investigated. The results illustrated that increasing the input power and the discharge frequency can improve the removal of MNZ. At low initial concentration, the removal of MNZ can reach up to 99.1%. Acidic and neutral conditions are more favorable for MNZ removal than alkaline condition in the early stage of degradation. However, the difference in MNZ removal between those in acidic or neutral media and that in alkaline one could be neglected with prolonging of the treatment time. Therefore, this method can be applied to MNZ degradation with a wide pH range. Coexisting organic matter in water can attenuate the removal to some extent. This study could provide valuable references for the degradation of nitroimidazole antibiotics by DBD. (C) Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019
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