Textile Wastewater Treatment by Electrocoagulation Process using Aluminum Electrodes

Publish Year: 1392
نوع سند: مقاله ژورنالی
زبان: English
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تاریخ نمایه سازی: 8 آذر 1402


Background and purpose: Textile industries are among the most polluting industries regarding the volume and the complexity of treatment of its effluents discharge. This study investigated the efficiency of electrocoagulation process using aluminum electrodes in basic red ۱۸ dye removal from aqueous solutions. Materials and Methods: This study was performed in a bipolar batch reactor with six aluminum electrodes connected in parallel. Several important parameters, such as initial pH of solution, initial dye concentration, applied voltage; conductivity and reaction time were studied in an attempt to achieve higher removal efficiency. Results: The electrochemical technique showed satisfactory dye removal efficiency and reliable performance in treating of basic red ۱۸. The maximum efficiency of dye removal which was obtained in voltage of ۵۰ V, reaction time of ۶۰ min, initial concentration ۵۰ mg/L, conductivity ۳۰۰۰ μS/cm and pH ۷ was equal to ۹۷.۷%. Dye removal efficiency was increased accordance to increase of applied voltage and in contrast electrode and energy consumption was increased simultaneously. Conclusion: As a conclusion, the method was found to be highly efficient and relatively fast compared to conventional existing techniques for dye removal from aqueous solutions.


Edris Bazrafshan

Health Promotion Research Center and Department of Environmental Health, School of Public Health

Amir Hossein Mahvi

School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Mohammad ali Zazouli

Health Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran.