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Environmental Science and Pollution Research

, Volume 22, Issue 3, pp 1794–1803 | Cite as

Removal of antibiotics and antibiotic resistance genes in rural wastewater by an integrated constructed wetland

  • Jun Chen
  • You-Sheng Liu
  • Hao-Chang Su
  • Guang-Guo Ying
  • Feng Liu
  • Shuang-Shuang Liu
  • Liang-Ying He
  • Zhi-Feng Chen
  • Yong-Qiang Yang
  • Fan-Rong Chen
Developments and Applications of Environmental Specimen Banks for Monitoring Emerging Contaminants

Abstract

Integrated constructed wetlands (ICWs) are regarded as one of the most important removal technology for pollutants in rural domestic wastewaters. This study investigated the efficiency of an ICW consisting of a regulating pool, four surface and subsurface flow-constructed wetlands, and a stabilization unit for removing antibiotics and antibiotic resistance genes (ARGs) from rural domestic wastewaters. The results showed that antibiotics leucomycin, ofloxacin, lincomycin, and sulfamethazine, and ARGs sul1, sul2, tetM, and tetO were the predominant antibiotics and ARGs in the influent, respectively. The ICW system could significantly reduce most of the detected antibiotics and ARGs with their aqueous removal rates of 78 to 100 % and >99 %, respectively. Based on the measured concentrations, the total pollution loadings of antibiotics were 3,479 μg/day in the influent and 199 μg/day in the final effluent. Therefore, constructed wetlands could be a promising technology for rural wastewater in removing contaminants such as antibiotics and ARGs.

Keywords

Antibiotics Antibiotic resistance genes Integrated constructed wetland Rural domestic wastewater Removal 

Notes

Acknowledgments

The authors would like to acknowledge the financial support from the CAS Key Project (KZZD-EW-09), Ministry of Environmental Protection (MEP 201309031), and Natural Science Foundation of China (NSFC U113305 and 41303077).

Supplementary material

11356_2014_2800_MOESM1_ESM.doc (222 kb)
ESM 1 (DOC 222 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Jun Chen
    • 1
  • You-Sheng Liu
    • 1
  • Hao-Chang Su
    • 1
  • Guang-Guo Ying
    • 1
  • Feng Liu
    • 2
  • Shuang-Shuang Liu
    • 1
  • Liang-Ying He
    • 1
  • Zhi-Feng Chen
    • 1
  • Yong-Qiang Yang
    • 1
  • Fan-Rong Chen
    • 1
  1. 1.State Key Laboratory of Organic Geochemistry, Guangzhou Institute of GeochemistryChinese Academy of SciencesGuangzhouChina
  2. 2.Institute of Subtropical AgricultureChinese Academy of SciencesChangshaChina

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