Urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying

Journal of Environmental Health Science & Engineering
Mehdi Khiadani HajianMaryam Foroughi

Abstract

Increase of impervious surfaces in urban area followed with increases in runoff volume and peak flow, leads to increase in urban storm water pollution. The polluted runoff has many adverse impacts on human life and environment. For that reason, the aim of this study was to investigate the efficiency of nano iron oxide coated sand with and without magnetic field in treatment of urban runoff. In present work, synthetic urban runoff was treated in continuous separate columns system which was filled with nano iron oxide coated sand with and without magnetic field. Several experimental parameters such as heavy metals, turbidity, pH, nitrate and phosphate were controlled for investigate of system efficiency. The prepared column materials were characterized with Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray analysis (EDXA) instruments. SEM and EDXA analyses proved that the sand has been coated with nano iron oxide (Fe3O4) successfully. The results of SEM and EDXA instruments well demonstrate the formation of nano iron oxide (Fe3O4) on sand particle. Removal efficiency without magnetic field for turbidity; Pb, Zn, Cd and PO4 were observed to be 90.8%, 73.3%, 75.8%, 85.6% and 67.5%, respectively. When magnetic field was...Continue Reading

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Citations

Nov 6, 2018·Environmental Science and Pollution Research International·Hongxiang ChaiQiang He
Jun 22, 2021·Journal of Environmental Health Science & Engineering·Amin Hasani MoghaddamAli Ghadiri

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Methods Mentioned

BETA
X-ray

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