期刊
CHEMOSPHERE
卷 194, 期 -, 页码 381-389出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2017.11.165
关键词
Antibiotics; Wastewater treatment; Electrocoagulation; Electrodegradation; Eco-toxicity
资金
- Medical University of Silesia [KNW-1-054/K/7/O]
The aim of this study was to assess the effectiveness of veterinary antibiotic removal from wastewater using an electrocoagulation method. The removal efficiency of ampicillin, doxycycline, sulfathiazole and tylosin; the antibiotic degradation degree after electrolysis; and the toxicity and qualitative composition of antibiotic solutions after electrocoagulation were determined in the experiments. HPLC-QTOF was used for quantitative and qualitative determination. The eco-toxicity was assessed using the MARA (R) assay. After electrocoagulation, the concentration of ampicillin, doxycycline, sulfathiazole and tylosin in wastewater decreased 3.6 +/- 3.2%, similar to 100%, 3.3 +/- 0.4% and 3.1 +/- 0.3%, respectively. Doxycycline was the only antibiotic effectively removed from wastewater during electrocoagulation. Simultaneously, part of this antibiotic underwent oxidative degradation. As a result of this process, the eco-toxicity in the reaction environment decreased. (C) 2017 Published by Elsevier Ltd.
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