Volume 6, Issue 5 (3-2011)
HSR 2011, 6(5): 0-0 |
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Izanloo H, Rahimi T, Mahmoodian M H, Khazaei M, Yavari Z, Asgari A R et al . Nitrate Removal from Water Using Granules Ferric Hydroxide Absorbent. HSR 2011; 6 (5)
URL: http://hsr.mui.ac.ir/article-1-207-en.html
URL: http://hsr.mui.ac.ir/article-1-207-en.html
Hassan Izanloo 
1, Tayebeh Rahimi2 , Mohammad Hassan Mahmoodian3 , Mohammad Khazaei4 , Zeinab Yavari2 , Ali Reza Asgari5 , Najmeh Vaezi6
1, Tayebeh Rahimi2 , Mohammad Hassan Mahmoodian3 , Mohammad Khazaei4 , Zeinab Yavari2 , Ali Reza Asgari5 , Najmeh Vaezi6
1- Assistant Professor, Environmental Pollutants Research Center and Department of Environmental Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
2- BSc of Environmental Health Engineering, Environmental Pollutants Research Center and Department of Environmental Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
3- Instructor, Department of Environmental Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
4- MSc of Environmental Health Engineering, Department of Environment Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
5- مربي، گروه مهندسي بهداشت محيط، دانشکده بهداشت، دانشگاInstructor, Department of Environmental Health Engineering, School of Health, Shahroud University of Medical Sciences, Shahroud, Iranه علوم پزشکي شاهرود، شاهرود، ايران.
6- BSc of Environmental Health Engineering, Pollutants Research Center and Department of Environmental Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
2- BSc of Environmental Health Engineering, Environmental Pollutants Research Center and Department of Environmental Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
3- Instructor, Department of Environmental Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
4- MSc of Environmental Health Engineering, Department of Environment Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
5- مربي، گروه مهندسي بهداشت محيط، دانشکده بهداشت، دانشگاInstructor, Department of Environmental Health Engineering, School of Health, Shahroud University of Medical Sciences, Shahroud, Iranه علوم پزشکي شاهرود، شاهرود، ايران.
6- BSc of Environmental Health Engineering, Pollutants Research Center and Department of Environmental Health Engineering, School of Health, Qom University of Medical Sciences, Qom, Iran
Abstract: (784 Views)
Background: One of the major sources of drinking water contamination is nitrate. Nitrate concentrations of more than the standard levels (45mgl-1 based on nitrate) could cause methemoglobinemia in children. The aim of this study is to investigate the nitrate adsorption on granular ferric hydroxide (GFH). Also in this study, the effect of factors such as initial concentration of nitrate, contact time, adsorbent mass and particle size of adsorbent were determined. Methods: This study was conducted in a laboratory-scale in which the synthetic nitrate solutions were placed in a batch reactor, in contact with the adsorbent to model the adsorption kinetics. Findings: The findings of the study indicated that by increasing Nitrate‘s initial concentration, sorption capacity reaches to the maximum level in a short time of two to three minutes. Increasing the amount of adsorbent and decreasing the adsorbent particle size could reduce the adsorption capacity. Also, the absorption kinetics followed the pseudo-degree reaction model. Conclusion: This removal method could decrease nitrate concentrations to less than the standard level (45mgl-1 based on nitrate). Easy operation and high adsorption capacity of GFH are the advantages of this removal method.
Type of Study: Research |
Subject:
education health and promotion
Received: 2020/07/16 | Accepted: 2011/03/15 | Published: 2011/03/15
Received: 2020/07/16 | Accepted: 2011/03/15 | Published: 2011/03/15
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