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Design and Performance Characterization of Roadside Bioretention Systems

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  • Rajendra Prasad Singh

    (School of Civil Engineering, Southeast University, Nanjing 211189, China
    Southeast University-Monash University Joint Research Centre for Future Cities, Nanjing 211189, China)

  • Fei Zhao

    (School of Civil Engineering, Southeast University, Nanjing 211189, China
    Southeast University-Monash University Joint Research Centre for Future Cities, Nanjing 211189, China)

  • Qian Ji

    (School of Civil Engineering, Southeast University, Nanjing 211189, China
    Southeast University-Monash University Joint Research Centre for Future Cities, Nanjing 211189, China)

  • Jothivel Saravanan

    (School of Civil Engineering, Southeast University, Nanjing 211189, China
    Southeast University-Monash University Joint Research Centre for Future Cities, Nanjing 211189, China)

  • Dafang Fu

    (School of Civil Engineering, Southeast University, Nanjing 211189, China
    Southeast University-Monash University Joint Research Centre for Future Cities, Nanjing 211189, China)

Abstract

In the current study, three roadside bioretention systems with different configurations were constructed to investigate their pollutant removal efficiency in different rainfall recurrence intervals. The bioretention systems (referred as units) (unit A: 700 mm height material without submerged zone; unit B: 400 mm height material with 300 mm submerged zone; unit C: 400 mm height material without submerged zone) were used to conduct the rainfall events with uniform 120 min rainfall duration for 2-, 5-, 10-, 15-, and 30-year recurrence intervals. Results reveal that the gradual increase of rainfall return period would have negative effects on TN and NH 4 + -N removal. The higher filler layer may increase pollutant removal efficiency. Setting a submerged zone could improve the COD Mn and TN removal compared to TP and NH 4 + -N removal. The values for comprehensive reduction rate of pollutant load in the three bioretention systems were recorded as follows: 64% in SS, 50%~80% in TP, 69% in NH 4 + -N, and 28%~53% in NO 3 -N separately. These results provide greater understanding of the design and treatment performance of bioretention systems.

Suggested Citation

  • Rajendra Prasad Singh & Fei Zhao & Qian Ji & Jothivel Saravanan & Dafang Fu, 2019. "Design and Performance Characterization of Roadside Bioretention Systems," Sustainability, MDPI, vol. 11(7), pages 1-13, April.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:7:p:2040-:d:220336
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    References listed on IDEAS

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    1. Mohammed, A. & Babatunde, A.O., 2017. "Modelling heavy metals transformation in vertical flow constructed wetlands," Ecological Modelling, Elsevier, vol. 354(C), pages 62-71.
    2. Outi Tahvonen, 2018. "Adapting Bioretention Construction Details to Local Practices in Finland," Sustainability, MDPI, vol. 10(2), pages 1-17, January.
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    Cited by:

    1. Wafaa Ali & Husna Takaijudin & Khamaruzaman Wan Yusof & Manal Osman & Abdurrasheed Sa’id Abdurrasheed, 2021. "The Common Approaches of Nitrogen Removal in Bioretention System," Sustainability, MDPI, vol. 13(5), pages 1-19, February.
    2. Mahbubur Meenar & Megan Heckert & Deepti Adlakha, 2022. "“Green Enough Ain’t Good Enough:” Public Perceptions and Emotions Related to Green Infrastructure in Environmental Justice Communities," IJERPH, MDPI, vol. 19(3), pages 1-17, January.

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