Volume 11 Issue 2
Mar.  2021
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Article Navigation >  Journal of Environmental Engineering Technology  > 2021  >  11(2): 307-313
TAN Yu, FU Liya, ZHOU Jian, LI Min, WU Changyong. Research progress o fthe effects of extracellular polymeric substances (EPS) on wastewater treatment system[J]. Journal of Environmental Engineering Technology, 2021, 11(2): 307-313. doi: 10.12153/j.issn.1674-991X.20200178
Citation: TAN Yu, FU Liya, ZHOU Jian, LI Min, WU Changyong. Research progress o fthe effects of extracellular polymeric substances (EPS) on wastewater treatment system[J]. Journal of Environmental Engineering Technology, 2021, 11(2): 307-313. doi: 10.12153/j.issn.1674-991X.20200178
shu

Research progress o fthe effects of extracellular polymeric substances (EPS) on wastewater treatment system

doi: 10.12153/j.issn.1674-991X.20200178
  • 1.

    State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences

  • 2.

    Research Center of Environmental Pollution Control Engineering Technology, Chinese Research Academy of Environmental Sciences

  • 3.

    Jilin Petrochemical Wastewater Treatment Plant, PetroChina Jilin Petrochemical Company

More Information
  • Corresponding author: WU Changyong E-mail: wucy@craes.org.cn
  • Received Date: 2020-07-21
  • Publish Date: 2021-03-20
    Abstract
  • Extracellular polymeric substances (EPS) is a common microbial by-product of biological treatment process in wastewater treatment plants. Its occurrence has different effects on various processes of wastewater treatment system. Firstly, on the basis of previous studies, the definition of EPS was summarized, and the structure, compositions and functions of it was described in detail. Secondly, the effects of EPS on the growth of microorganisms, the formation of granular sludge, the flocculation and sedimentation performance of microbial aggregates in the biological treatment process, the permeability of the membrane and the mass transfer of the catalyst in the advanced treatment process, the impact of sludge digestion and dehydration performance in the sludge treatment process were reviewed. The behavior mechanisms of EPS in different wastewater treatment process were summarized and explored. Finally, the future research directions and contents of EPS in wastewater treatment were proposed.

     

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