Optimizing Adsorbent with Porous Concrete Nanoparticles to Reduce the Pollution Load of Urban Runoff Using Taguchi Method

Kahrizi, Emad; Rajaei, Taher; Sedighi, Mehdi

doi:10.22034/jewe.2020.231947.1362

Document Type : Research Paper

Authors

¹ PhD Scholar, Department of Civil Engineering, Faculty of Engineering, University of Qom, Qom, Iran

² Assoc. Professor, Department of Civil Engineering, Faculty of Engineering, University of Qom, Qom, Iran

³ Assist. Professor, Department of Chemical Engineering, Faculty of Engineering, University of Qom, Qom, Iran

https://doi.org/10.22034/jewe.2020.231947.1362

Abstract

Water is a vital substance for human and water supply has become a crisis in many arid countries. Due to arid and semi-arid climate of Iran, it has many challenges to supply fresh water. According to the urgent need for water and also the lack of water resources, it is a nessessity to implement the water management programs like recycle and reuse of runoffs in order to meet the water needs in agriculture and green space. Nowadays, use of concrete porous pavements in urban paths is increased significantly, and it can be used to reduce water pollution. Due to the usefulness of different adsorbents in reducing pollution, in this study the effect of replacing pumice, scria, zeolite and travertine adsorbents with volume percentages of 25, 50, 75 and 100% and metal sulfide nanoparticles with 1, 2, 3 and 4% with porous concrete aggregates on qualitative parameters in runoff have been investigated by Taguchi method. Experiments related to physical properties were performed in the concrete technology laboratory as well as tests related to qualitative parameters in the chemistry laboratory. In this study, three parameters of additive, volume percentage of additive and metal sulfide nanoparticles have been used. Finally, using Minitab and Excel software, the parameters and the effect of each of them in reducing pollution were investigated. The results showed that the greatest impact on reduction of pollution was the percentage of additive, type of additive and volume of nanoparticles, respectively. Finally, as a proposed concrete mix design that has the highest effect on pollution elimination, 75% of the volume fraction and 1% of the nanoparticle can be introduced.

Keywords

Main Subjects

Water Pollution

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Environment and Water Engineering

Optimizing Adsorbent with Porous Concrete Nanoparticles to Reduce the Pollution Load of Urban Runoff Using Taguchi Method

References

References

Volume 6, Issue 3
September 2020
Pages 245-256

Optimizing Adsorbent with Porous Concrete Nanoparticles to Reduce the Pollution Load of Urban Runoff Using Taguchi Method

References

References

Volume 6, Issue 3September 2020Pages 245-256

Volume 6, Issue 3
September 2020
Pages 245-256