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:: Volume 7, Issue 2 (8-2018) ::
J Health Dev 2018, 7(2): 180-193 Back to browse issues page
The Efficiency of Peroxone Process in Packed Reactor for Removal of Anionic Surfactants and COD from Carwash Wastewater
Mehdi Mokhtari , Mohammad Hasan Ehrampoush , Asghar Ebrahimi , Parvaneh Talebi , Hasan Torabi *
4- MSc, Department of Environmental Health Engineering, School of Public Health, Shahid Sadoghi Yazd University of Medical Sciences, Yazd, Iran
Abstract:   (75 Views)
Background: Carwash is an industry that consumes large amounts of water and its wastewater contains a variety of pollutants.  The aim of this study was to investigate the efficiency of the Peroxone process as a method for wastewater treatment of carwashes.
 
Methods: This study was conducted at laboratory scale. A total of 54 samples were collected from a carwash in Yazd city and COD and anionic surfactants removal percentages were respectively determined by using the standard vial and anionic surfactants method and Methylene Blue Active Substances (MBAS). The process was conducted with an ozone dose of 0.7 mg per min, H2O2 concentrations of 10, 20 and 40 mmol per liter, reaction times of 30, 60 and 90 min and pH of 7, 9 and 11 in a cylindrical reactor respectively. Data were analyzed using ANOVA and through SPSS 18.
 
Results: The removal efficiencies of COD and anionic surfactants increased with increasing pH and reaction time; so that, at  pH =11 and after a reaction time of 90 minutes for an ozone dose of 0.7 mg/min and H2O2 concentration of 40 mmol/l, removal efficiency of COD and anionic surfactants  were respectively 74.77% and 74.27%.
 
Conclusion: The peroxone process has a good ability for removal of COD and anionic surfactants. Similar studies confirm the findings of this study. Meanwhile, pretreatment methods are recommended for further evaluation of this process.
Keywords: Carwash, Peroxone, Anionic surfactants, COD, Packed Reactor
Full-Text [PDF 1271 kb]   (35 Downloads)    
Type of Study: Research | Subject: General
Received: 2018/09/23 | Accepted: 2018/09/23 | Published: 2018/09/23
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Mokhtari M, Ehrampoush M H, Ebrahimi A, Talebi P, Torabi H. The Efficiency of Peroxone Process in Packed Reactor for Removal of Anionic Surfactants and COD from Carwash Wastewater. J Health Dev. 2018; 7 (2) :180-193
URL: http://jhad.kmu.ac.ir/article-1-571-en.html


Volume 7, Issue 2 (8-2018) Back to browse issues page
مجله بهداشت و توسعه Journal of Health and Development
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