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Sustainable Approaches for Stormwater Quality Improvements with Experimental Geothermal Paving Systems

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Department of Civil Engineering, Faculty of Engineering and Science, University of Greenwich, Medway Campus, Chatham Maritime, Kent ME4 4TB, UK
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Water Sustainability Research Centre, Department of Mechanical, Aerospace, and Civil Engineering, Brunel University London, Uxbridge, Middlesex UB8 3PH, UK
*
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Sustainability 2015, 7(2), 1388-1410; https://doi.org/10.3390/su7021388
Received: 10 December 2014 / Revised: 8 January 2015 / Accepted: 14 January 2015 / Published: 27 January 2015
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. View Full-Text
Keywords: permeable pavement; sustainable urban drainage; urban runoff; pavement design; ground-source heat pumps; geothermal paving permeable pavement; sustainable urban drainage; urban runoff; pavement design; ground-source heat pumps; geothermal paving
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MDPI and ACS Style

Tota-Maharaj, K.; Paul, P. Sustainable Approaches for Stormwater Quality Improvements with Experimental Geothermal Paving Systems. Sustainability 2015, 7, 1388-1410. https://doi.org/10.3390/su7021388

AMA Style

Tota-Maharaj K, Paul P. Sustainable Approaches for Stormwater Quality Improvements with Experimental Geothermal Paving Systems. Sustainability. 2015; 7(2):1388-1410. https://doi.org/10.3390/su7021388

Chicago/Turabian Style

Tota-Maharaj, Kiran, and Parneet Paul. 2015. "Sustainable Approaches for Stormwater Quality Improvements with Experimental Geothermal Paving Systems" Sustainability 7, no. 2: 1388-1410. https://doi.org/10.3390/su7021388

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