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Sustainable Approaches for Stormwater Quality Improvements with Experimental Geothermal Paving Systems

Author

Listed:
  • Kiran Tota-Maharaj

    (Department of Civil Engineering, Faculty of Engineering and Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent ME4 4TB, UK)

  • Parneet Paul

    (Water Sustainability Research Centre, Department of Mechanical, Aerospace, and Civil Engineering, Brunel University London, Uxbridge, Middlesex UB8 3PH, UK)

Abstract

This research assesses the next generation of permeable pavement systems (PPS) incorporating ground source heat pumps (geothermal paving systems). Twelve experimental pilot-scaled pavement systems were assessed for its stormwater treatability in Edinburgh, UK. The relatively high variability of temperatures during the heating and cooling cycle of a ground source heat pump system embedded into the pavement structure did not allow the ecological risk of pathogenic microbial expansion and survival. Carbon dioxide monitoring indicated relatively high microbial activity on a geotextile layer and within the pavement structure. Anaerobic degradation processes were concentrated around the geotextile zone, where carbon dioxide concentrations reached up to 2000 ppm. The overall water treatment potential was high with up to 99% biochemical oxygen demand removal. The pervious pavement systems reduced the ecological risk of stormwater discharges and provided a low risk of pathogen growth.

Suggested Citation

  • Kiran Tota-Maharaj & Parneet Paul, 2015. "Sustainable Approaches for Stormwater Quality Improvements with Experimental Geothermal Paving Systems," Sustainability, MDPI, vol. 7(2), pages 1-23, January.
    • Handle: RePEc:gam:jsusta:v:7:y:2015:i:2:p:1388-1410:d:45162
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    Citations

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    Cited by:

    1. Chengbin Zhang & Weibo Yang & Jingjing Yang & Suchen Wu & Yongping Chen, 2017. "Experimental Investigations and Numerical Simulation of Thermal Performance of a Horizontal Slinky-Coil Ground Heat Exchanger," Sustainability, MDPI, vol. 9(8), pages 1-22, August.
    2. Susanne Charlesworth & Frank Warwick & Craig Lashford, 2016. "Decision-Making and Sustainable Drainage: Design and Scale," Sustainability, MDPI, vol. 8(8), pages 1-11, August.
    3. Charlesworth, S.M. & Faraj-Llyod, A.S. & Coupe, S.J., 2017. "Renewable energy combined with sustainable drainage: Ground source heat and pervious paving," Renewable and Sustainable Energy Reviews, Elsevier, vol. 68(P2), pages 912-919.
    4. Wang, Hao & Jasim, Abbas & Chen, Xiaodan, 2018. "Energy harvesting technologies in roadway and bridge for different applications – A comprehensive review," Applied Energy, Elsevier, vol. 212(C), pages 1083-1094.
    5. Kushan D. Siriwardhana & Dimantha I. Jayaneththi & Ruchiru D. Herath & Randika K. Makumbura & Hemantha Jayasinghe & Miyuru B. Gunathilake & Hazi Md. Azamathulla & Kiran Tota-Maharaj & Upaka Rathnayake, 2023. "A Simplified Equation for Calculating the Water Quality Index (WQI), Kalu River, Sri Lanka," Sustainability, MDPI, vol. 15(15), pages 1-15, August.

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