Design of Porous Pavements for Improved Water Quality and Reduced Runoff

Martin, W.R.; Sumanasooriya, Milani S.; Kaye, Nigel B.; Putman, Bradley J.

doi:10.1002/9781119304418.ch14

Cited by 4 publications

(4 citation statements)

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“…A considerable amount of studies have been performed on the removal effectiveness of porous concrete pavement systems for hydrocarbons, nutrients, fecal coliforms, metals, and various contaminants [5][6][7]. The advantages of PCP systems are reduced runoff, improved water quality, sediment filtering, pollutant removal and increased infiltration of rainfall [8]. Recent studies related to porous concrete pavement includes, application of PCP in Municipal waste treatment [9] and blending Geopolymer with porous concrete to remove heavy metals [10].For environmental ecosystem protection it is essential to removed or reduced heavy metal pollutant.…”

Section: Removal Of Heavy Metals From Stormwater Using Porous Concrete Pavementmentioning

confidence: 99%

“…The effectiveness of porous concrete are determined by volumetric method [8]. In this method, a cylindrical test specimen is used where, a mass of water to fill a sealed test is compared with an equivalent volume of void to measure the porosity.…”

Section: Porosity and Permeability Test For Surface Layer 221 Porosity Testmentioning

confidence: 99%

“…Porous pavements can reduce pollutant loads by filtering, chemical degradation, adsorption and biological activity [8]. surface water, groundwater, seawater, Zinc (Zn) is an essential mineral that is naturally present in some foods and available as a dietary supplement.…”

Section: Stormwater Quality Testmentioning

confidence: 99%

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Removal of Heavy Metals from Stormwater Using Porous Concrete Pavement

et al. 2020

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This study aimed to investigate the heavy metals, i.e. Cu, Pb, Ni, and Zn removal efficiency from stormwater runoff of a porous concrete pavement (PCP). A model of PCP was designed with the porosity and co-efficient of permeability of the pavement were 27.2% and 1.83 cm/sec, respectively. Artificial stormwater containing heavy metals are passed through the pavement at a constant rainfall rate to mimic the stormwater rainfall-runoff condition. The artificial stormwater infiltrated through the pavement were then collected at two different pavement layers at different time instances. From the experimental investigations, it is observed that Cu, Pb, Ni and Zn concentrations are significantly reduced in the treated stormwater. At the first collection point which is located below the sub-base layer and coarse sand layer of the pavement, the concentrations of Cu, Pb and Zn reduced 56%, 67% and 93% respectively compared to their initial concentration, Ni concentration reduced only 20%. At the second collection point which is located below the coarse and fine sand layers beneath the pavement, the concentrations of Cu, Pb, Zn, and Ni are reduced 92%, 89%, 100%, 100%, respectively.

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Section: Removal Of Heavy Metals From Stormwater Using Porous Concrete Pavementmentioning

confidence: 99%

Section: Porosity and Permeability Test For Surface Layer 221 Porosity Testmentioning

confidence: 99%

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Removal of Heavy Metals from Stormwater Using Porous Concrete Pavement

et al. 2020

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“…Many researchers have reported that PC is an effective material for removing suspending solids and contaminants, volume reduction in stormwater, water quality improvement, and rainfall infiltration enhancement in light of large permeability and porosity degrees. However, only a few studies were conducted on purification impacts on dissolved contaminants [34,35]. Such pollutants, including heavy metals, organic pollutants and other contaminants such as fecal coliforms (FCs) and turbidity (TU), have been removed from stormwater runoff by using PC.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2021

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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.

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