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

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...

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Autores principales: Khiadani (Hajian), Mehdi, Zarrabi, Mansur, Foroughi, Maryam
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3892038/
https://www.ncbi.nlm.nih.gov/pubmed/24360061
http://dx.doi.org/10.1186/2052-336X-11-43
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author Khiadani (Hajian), Mehdi
Zarrabi, Mansur
Foroughi, Maryam
author_facet Khiadani (Hajian), Mehdi
Zarrabi, Mansur
Foroughi, Maryam
author_sort Khiadani (Hajian), Mehdi
collection PubMed
description 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 (Fe(3)O(4)) successfully. The results of SEM and EDXA instruments well demonstrate the formation of nano iron oxide (Fe(3)O(4)) on sand particle. Removal efficiency without magnetic field for turbidity; Pb, Zn, Cd and PO(4) were observed to be 90.8%, 73.3%, 75.8%, 85.6% and 67.5%, respectively. When magnetic field was applied, the removal efficiency for turbidity, Pb, Zn, Cd and PO(4) was increased to 95.7%, 89.5%, 79.9%, 91.5% and 75.6% respectively. In addition, it was observed that coated sand and magnetic field was not able to remove NO(3) ions. Statistical analyses of data indicated that there was a significant difference between removals of pollutants in two tested columns. Results of this study well demonstrate the efficiency of nanosized iron oxide-coated sand in treatment of urban runoff quality; upon 75% of pollutants could be removed. In addition, in the case of magnetic field system efficiency can be improved significantly.
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spelling pubmed-38920382014-01-15 Urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying Khiadani (Hajian), Mehdi Zarrabi, Mansur Foroughi, Maryam J Environ Health Sci Eng Research Article 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 (Fe(3)O(4)) successfully. The results of SEM and EDXA instruments well demonstrate the formation of nano iron oxide (Fe(3)O(4)) on sand particle. Removal efficiency without magnetic field for turbidity; Pb, Zn, Cd and PO(4) were observed to be 90.8%, 73.3%, 75.8%, 85.6% and 67.5%, respectively. When magnetic field was applied, the removal efficiency for turbidity, Pb, Zn, Cd and PO(4) was increased to 95.7%, 89.5%, 79.9%, 91.5% and 75.6% respectively. In addition, it was observed that coated sand and magnetic field was not able to remove NO(3) ions. Statistical analyses of data indicated that there was a significant difference between removals of pollutants in two tested columns. Results of this study well demonstrate the efficiency of nanosized iron oxide-coated sand in treatment of urban runoff quality; upon 75% of pollutants could be removed. In addition, in the case of magnetic field system efficiency can be improved significantly. BioMed Central 2013-12-20 /pmc/articles/PMC3892038/ /pubmed/24360061 http://dx.doi.org/10.1186/2052-336X-11-43 Text en Copyright © 2013 Khiadani (Hajian) et al.; licensee BioMed Central Ltd. http://creativecommons.org/licenses/by/2.0 This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Khiadani (Hajian), Mehdi
Zarrabi, Mansur
Foroughi, Maryam
Urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying
title Urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying
title_full Urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying
title_fullStr Urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying
title_full_unstemmed Urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying
title_short Urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying
title_sort urban runoff treatment using nano-sized iron oxide coated sand with and without magnetic field applying
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3892038/
https://www.ncbi.nlm.nih.gov/pubmed/24360061
http://dx.doi.org/10.1186/2052-336X-11-43
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