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:: Volume 5, Issue 2 (3-2018) ::
jehe 2018, 5(2): 99-112 Back to browse issues page
Modeling of Electro Fenton Process for Removal of Diazinon from Groundwater Using Response Surface Methodology
Saeid Ahmadzadeh * , Maryam Dolatabadi
Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
Abstract:   (2772 Views)
Background: Diazinon is one of the most important pesticides extremely used in agriculture. Since these compounds are resistant to biodegradation, the arrival of these compounds to water resources has become a serious environmental problem. Therefore, in the current work, the removal of diazinon from groundwater was investigated using advanced oxidation processes electro Fenton.
Methods: the current work was conducted in lab scale. The effect of operating parameters such as initial concentration of diazinon (1-30 mg.L-1), pH solution(3-9), current density (1-10 mA.cm-2), reaction time (3-30 min), and dosage of H2O2 (20-100 µL.L-1) were investigated. Response surface methodology (RSM) was used to optimize the parameters and suggested model was analyzed using ANOVA.
Results: On the optimum condition including initial diazinon concentration of 6.88 mg.L-1, pH solution of 3, the reaction time of 10 min, the current density of 8.18 mA.cm-2, and dosage H2O2 of 83.78 µL.L-1 removal efficiency of diazinon was found to be 98.5 %. Electrical energy consumption (EEC) was found to be 0.524 kWh.m-3. Moreover, the concentration of diazinon in groundwater was found to be 0.934±0.053 µg.L-1.
Conclusion: According to the obtained results, electro Fenton process was found to be an efficient technique for successful removal of diazinon and other resistant ungradable organic compound from water sources.
 
Keywords: Diazinon, Electro Fenton, Removal, Response surface methodology, Groundwater.
Full-Text [PDF 554 kb]   (1112 Downloads)    
Type of Study: Research | Subject: Special
Received: 2018/04/9 | Accepted: 2018/04/9 | Published: 2018/04/9
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Ahmadzadeh S, Dolatabadi M. Modeling of Electro Fenton Process for Removal of Diazinon from Groundwater Using Response Surface Methodology. jehe 2018; 5 (2) :99-112
URL: http://jehe.abzums.ac.ir/article-1-471-en.html


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Volume 5, Issue 2 (3-2018) Back to browse issues page
مجله مهندسی بهداشت محیط Journal of Environmental Health Enginering
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