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| Migration Behavior and Influence Factors of Quinolone Antibiotics in Soil |
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| KeyWord:quinolone antibiotics; soil column leaching; migration behavior; influence factors |
| Author Name | Affiliation | | ZHANG Xu | Guangdong Environmental Monitoring Center, Guangzhou 510308, China
Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, School of Environment, Jinan University, Guangzhou 510632, China | | XIANG Lei | Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, School of Environment, Jinan University, Guangzhou 510632, China
Department of Environmental Engineering, Jinan University, Guangzhou 510632, China | | MO Ce-hui | Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, School of Environment, Jinan University, Guangzhou 510632, China | | LI Yan-wen | Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, School of Environment, Jinan University, Guangzhou 510632, China
Department of Environmental Engineering, Jinan University, Guangzhou 510632, China | | CAI Quan-ying | Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, School of Environment, Jinan University, Guangzhou 510632, China | | HUANG Xian-pei | Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, School of Environment, Jinan University, Guangzhou 510632, China
Department of Environmental Engineering, Jinan University, Guangzhou 510632, China | | WU Xiao-lian | Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, School of Environment, Jinan University, Guangzhou 510632, China
Department of Environmental Engineering, Jinan University, Guangzhou 510632, China | | LI Hui | Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutions, School of Environment, Jinan University, Guangzhou 510632, China |
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| Abstract: |
| Migration behaviors of four typical quinolone antibiotics（NOR, CIP, LOM and ENR） in soil and their influence factors（soil contamination extent, leaching water pH value and leaching days） were investigated using soil column leaching tests. Results showed that quinolone antibiotics migrated only to 40~50 cm（0.2 μg·kg-1） in lower soil contamination（≤4 mg·kg-1）, but they could migrate to 90~100 cm（4.7 μg·kg-1） in higher soil contamination（20 mg·kg-1）. Migration ability of the quinolone compounds decreased in the order of NOR >CIP>LOM>ENR. They had stronger migration ability to 70~80 cm depth（3.0 μg·kg-1） in leaching water pH=5 than the other pH conditions. Migration ability of quinolone compounds in five days′ leaching（90~100 cm, 4.0 μg·kg-1） was significantly higher than that in three days′ leaching（30~40 cm, 0.1 μg·kg-1）. Accordingly, quinolone antibiotics in soil are inclined to migrate under more pollution and precipitation especially acidic precipitation. |
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