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Experimental and kinetic study on the treatment of synthetic and real pharmaceutical wastewater by electrocoagulation

Authors : Karthick S. a, Sajal Wankhede a, Vishnu Prasad a, Palani R. b and Haribabu K. *a


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Abstract

In this research, the probability of using the electrocoagulation process as a method of pharmaceutical removal from syntheticand real industry wastewater was demonstrated. Batch experiments were performed using a simple laboratory scale electrochemical reactor with aluminium as anode and stainless steel as cathode, respectively. The effects of main operating parameters such as current density, initial pH, electrolyte concentration and inter-electrode distance have been studied. Kinetic equilibrium stu-dies have shown that the pseudo-first order equation is better suited to the aluminum hydroxide adsorption process with a strong correlation between experimental and theoretical data. The findings showed that maximum removal of total organic carbon (TOC) (66%) and chemical oxygen demand (COD) (62.5%) was achieved for real industry wastewater.

 

Keyword

Electrocoagulation, Total organic carbon (TOC), synthetic and real pharmaceutical wastewater