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IJE TRANSACTIONS B: Applications Vol. 30, No. 11 (November 2017) 1348-1357    Article in Press

PDF URL: http://www.ije.ir/Vol30/No11/B/7.pdf  
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  IBUPROFEN REMOVAL FROM A PHARMACEUTICAL WASTEWATER USING ELECTRO-FENTON PROCESS: AN EFFICIENT TECHNIQUE (RESEARCH NOTE)
 
R. Davarnejad, K. Zangene, A. Fazlali and R. Behfar
 
( Received: March 17, 2017 – Accepted: September 08, 2017 )
 
 

Abstract    The aim of this research was to evaluate the effective parameters such as pH, current density (mA/cm2), H2O2/Fe2+ molar ratio, volume ratio of H2O2 to pharmaceutical wastewater (PhW) (ml/l) and reaction time (min) on the electro-Fenton process for the ibuprofen (as a pharmaceutical waste in water) removal. Since a synthetic wastewater with the same concentration of ibuprofen in a real pharmaceutical wastewater (400 ppm) was chosen in this research, the sample was tested in terms of the chemical oxygen demand (COD). The parameters were statistically optimized under response surface mythology (RSM). The software was also applied to minimize the number of runs. The optimum conditions for 98.290% COD removal were at pH of 2.43, current density of 23.08 mA/cm2, H2O2/Fe2+ molar ratio of 2.69, volume ratio of H2O2/PhW of 1.84 ml/l and reaction time of 28.08 min.

 

Keywords    COD, Electro-Fenton, Pharmaceutical wastewater, Treatment

 

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