Textile Wastewater Treatment by Electrocoagulation Process using Aluminum Electrodes

Abstract

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 18 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 18. The maximum efficiency of dye removal which was obtained in voltage of 50 V, reaction time of 60 min, initial concentration 50 mg/L, conductivity 3000 µS/cm and pH 7 was equal to 97.7%. 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.

Optimization of color and COD removal from livestock wastewater by electrocoagulation process: Application of Box–Behnken design (BBD)

“…EC has been proved to be an efficient method for the treatment of wastewater. It was tested successfully for treating municipal wastewater [4], textile wastewater [5], poultry manure wastewater [6], landfill leachate [7], rose processing wastewater [8], chemical mechanical polishing wastewater [9], oily bilgewater [10], heavy metal contaminated groundwater [11], restaurant wastewater [12], dyeing wastewater [13,14], olive oil mill wastewater [15][16][17], and paper-recycling wastewater [18].…”

Humic Acid Removal from Aqueous Environments by Electrocoagulation Process Using Iron Electrodes

“…The electrocoagulation process has several advantages that make it attractive for treating various contaminated streams. In the past decades electrocoagulation has been applied for the treatment of many kinds of wastewater such as landfill leachate, restaurant wastewater, textile wastewater, petroleum refinery wastewater, tannery wastewater, laundry wastewater, and for removal of fluoride, pesticides and heavy metals from aqueous environments [14][15][16][17][18][19][20][21] .…”

Removal of Colour From Textile Wastewater by Different Methods

“…Number of techniques are available for color removal but some may not feasible or some may not be easily available. The electrocoagulation technique is a simple, efficient and reliable treatment without the addition of chemicals thus reducing the amount of load on secondary treatment [2,3,4,5]. The electrocoagulation process has several advantages that makes it attractive for treating various contaminated streams [4].…”

“…The electrocoagulation technique is a simple, efficient and reliable treatment without the addition of chemicals thus reducing the amount of load on secondary treatment [2,3,4,5]. The electrocoagulation process has several advantages that makes it attractive for treating various contaminated streams [4]. This treatment is successfully applied for the treatment of many types of wastewater such as landfill leachate, textile wastewater, petroleum refinery wastewater, dairy wastewater etc [4].…”

“…The electrocoagulation process has several advantages that makes it attractive for treating various contaminated streams [4]. This treatment is successfully applied for the treatment of many types of wastewater such as landfill leachate, textile wastewater, petroleum refinery wastewater, dairy wastewater etc [4]. Various sorbents are already being used such as mango peel, orange peel, banana peel, neem leaves, tree bark etc.…”