Investigation of Fenton Reagent Efficiency in Removal of Cetyl Trimethyl Ammonium Bromide from Synthetic Solution

Subject Areas : environmental management

Mohammad Reza Samarghandi ¹ , Mansor Zarrbi ^{2 *}

1 - Assistant Professor of Environmental Health, Department of Public Health, Hamadan University of Medical Sciences
2 - M.Sc. Student, Department of Envieonmenal Health, School of Public Health, Hamadan University of Medical Science

Received: 2008-07-31 Accepted : 2009-04-16 Published : 2014-12-22

Keywords: Fenton reagent, Anionic detergent, Chemical oxideation. Bathch re, Hydrogen Peroxide,

Abstract :

Industrial and municipal wastewaters are the main sources which contaminate  the surface water and groundwater. Application of detergent in industrial and domestic uses increases this substance in wastewater. Detergents are large organic molecules that are slightly soluble in water, highly toxic, responsible for foaming in wastewater treatment plants and making interference with wastewater treatment operations. A numorous methods yet have been applied for the removal of detergent. These methods include coagulation and flocculation, reverse osmosis, oxidation by ozone and advanced oxidation processes. This study investigates the removal of cetyl trimethyl ammonium bromide from synthetic solution by Fenton reagent as an easy and effective method. Experiments were conducted in several stages with 100 cc of synthetic sample and pH=4, 5, 10, 15 and 20 mg/L of ferrous ions, 20, 30, 40 and 50 ml/L of hydrogen perocide in a batch reactor with contact time of 20, 40 and 60 min. Results showe that, in a batch system with acidic pH (pH=4), the removal of detergent increases with the increases of contact time, ferrous ions concentration and hydrogen peroxide. Therefore, in pH= 4, contact times of 60 min, and 20 mg/L of ferrous ions, Lthe  removal efficiency increased from 54/5% to 89/5% by increase of hydrogen peroxide conventration from 20 ml/L to 50 ml/L. Finally, considering the simplicity and effectiveness of this method, it is be suggested to be used for the removal of detergent from municipal and industrial wastewaters.

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