Volume 14, Issue 2 (7-2018)
J Health Syst Res 2018, 14(2): 272-278 |
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Feyzi Z, Ebrahimi A. Removal of Humic Acid from Aqueous Solutions by Using Potassium Ferrate. J Health Syst Res 2018; 14 (2) :272-278
URL: http://hsr.mui.ac.ir/article-1-1012-en.html
URL: http://hsr.mui.ac.ir/article-1-1012-en.html
1- MSc Student, Student Research Committee AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
2- Associate Professor, Environment Research Center, Research Institute for Primordial Prevention of Non -Communicable Disease AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
2- Associate Professor, Environment Research Center, Research Institute for Primordial Prevention of Non -Communicable Disease AND Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract: (1338 Views)
Background: In the field of water treatment with potassium ferrate, (FeO4)2- ion is known as a long-lasting agent with high oxidation potential. In this study, the removal efficiency of a synthetized potassium ferrate from humic acids of the aqueous solutions was investigated.Methods: This was an experimental study conducted on laboratory scale. The potassium ferrate was synthetized in laboratory, as an oxidizer to remove humic acid. The effect of various parameters of pH (in the range of 6-12), initial concentration of humic acid (in the range of 5-20 mg/l), potassium ferrate dosage (in the range of 3-12 mg/l), and contact time (in the range of 20-80 min) on the removal of humic acid were studied.Findings: Optimum conditions for humic acid removal by potassium ferrate oxidation were obtained at the humic acid concentration of 5 mg/l, the dose of potassium ferrate of 12 mg/l, pH of 8, and contact time of 80 minutes. Maximum humic acid removal in the optimal conditions was 72%.Conclusion: The potassium ferrate as a potent oxidizer agent with coagulant property can be effective in removing humic acid from aqueous solutions.
Type of Study: Research |
Subject:
education health and promotion
Received: 2020/07/16 | Accepted: 2018/07/15 | Published: 2018/07/15
Received: 2020/07/16 | Accepted: 2018/07/15 | Published: 2018/07/15
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