ORIGINAL RESEARCH
Comparison of Fenton and Photo-Fenton Processes for Removal of Linear Alkyle Benzene Sulfonate (Las) from Aqueous Solutions
Mohammad Bagher Miranzadeh1, Rouhullah Zarjam2, Rouhullah Dehghani1, Mohsen Haghighi2, Hakime Zamani Badi3, Milad Ahmadi Marzaleh4, Ashraf Mazaheri Tehrani5
 
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1Department of Environmental Health Engineering, Faculty of Health and Social Determinants of Health (SDH)
Research Center, Kashan University of Medical Science, Iran
2Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Science, Iran
3Student Research Committee, Sabzevar University of Medical Sciences, Sabzevar, Iran
4M.Sc Student of Management of Health, Safety and Environment, Faculty of Health, safety and environment,
Shahid Beheshti University of Medical Science, Iran.
5Social Determinants in Health Promotion Research Center, Hormozgan University of Medical Sciences,
Bandar Abbas, Iran
Publish date: 2016-07-22
Submission date: 2015-06-18
Final revision date: 2016-02-04
Acceptance date: 2016-02-16
 
Pol. J. Environ. Stud. 2016;25(4):1639–1648
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ABSTRACT
The aim of our study was to investigate the effectiveness of Fenton and photo-Fenton processes for removing anionic surfactants from aqueous solutions. The study was conducted using 200 mgL-1 linear alkyl benzene Sulfonate (LAS) as a model of anionic surfactants. This study revealed that the mean removal efficiency of LAS in Fenton and photo-Fenton at 20 minutes reaction time at 100 mgL-1 constant concentration of hydrogen peroxide and 20 mgL-1 ferrous Iron were 20.16 and 22.47%, respectively. Meanwhile, LAS removal efficiency (at 80 minutes reaction time for constant concentration of 800 mgL-1 hydrogen peroxide and 120 mgL-1 ferrous ion) were 69.38 and 86.66%, respectively, which is consistent with the significant increase in the rate of LAS removal efficiency with reaction time (P<0.05). In conclusion, anionic surfactants removal was significantly correlated with reaction time by both methods, but showed less dependence on H2O2 and Fe2+ concentrations.
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