Stormwater Runoff Treatment Using Pervious Concrete Modified with Various Nanomaterials: A Comprehensive Review

Vahid Alimohammadi, Mehdi Maghfouri, Delaram Nourmohammadi, Pejman Azarsa, Rishi Gupta and Mohammad Saberian
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Vahid Alimohammadi: Department of Civil Engineering, Faculty of Engineering, Arak Branch, Azad University, Arak 3836119131, Iran
Mehdi Maghfouri: Department of Civil Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
Delaram Nourmohammadi: School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1985717443, Iran
Pejman Azarsa: Department of Civil Engineering, University of Victoria, 3800 Finnerty Rd., Victoria, BC V8P5C2, Canada
Rishi Gupta: Department of Civil Engineering, University of Victoria, 3800 Finnerty Rd., Victoria, BC V8P5C2, Canada
Mohammad Saberian: School of Engineering, RMIT University, Melbourne, VIC 3000, Australia

Sustainability, 2021, vol. 13, issue 15, 1-31

Abstract: Clean water is a vital need for all living creatures during their lifespan. However, contaminated stormwater is a major issue around the globe. A wide range of contaminants, including heavy metals, organic and inorganic impurities, has been discovered in stormwater. Some commonly utilized methods, such as biological, physical and chemical procedures, have been considered to overcome these issues. However, these current approaches result in moderate to low contaminant removal efficiencies for certain classes of contaminants. Of late, filtration and adsorption processes have become more featured in permeable concretes (PCs) for the treatment of stormwater. As nanoparticles have vast potential and unique characterizations, such as a higher surface area to cure polluted stormwater, employing them to improve permeable concretes’ capabilities in stormwater treatment systems is an effective way to increase filtration and adsorption mechanisms. The present study reviews the removal rate of different stormwater contaminants such as heavy metals, organic and other pollutants using nanoparticle-improved PC. The application of different kinds of nanomaterials in PC as porous media to investigate their influences on the properties of PC, including the permeability rate, compressive strength, adsorption capacity and mix design of such concrete, was also studied. The findings of this review show that different types of nanomaterials improve the removal efficiency, compressive strength and adsorption capacity and decrease the infiltration rate of PC during the stormwater treatment process. With regard to the lack of comprehensive investigation concerning the use of nanomaterials in PC to treat polluted stormwater runoff, this study reviews 242 published articles on the removal rate of different stormwater contaminants by using PC improved with nanoparticles.

Keywords: stormwater treatment; porous concrete; nanomaterial; pollutant; permeable; adsorption (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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