Decolourisation of Disperse Brown Dye Solution by Electrocoagulation Process with Al and Fe Electrodes

Dyes used in the textile industry can easily contaminate water and are becoming a world-wide pollution problem. The efficiency of colour removal process from artificially prepared and actual textile wastewater using electrocoagulation insert ignore into journalissuearticles values(EC); was investigated in this study. A disperse dye was selected for the synthetic dye wastewater experiments. Different operating conditions such as dye concentration, pH, conductivity values and current density insert ignore into journalissuearticles values(CD); were investigated using synthetically prepared dye solution in a batch EC reactor with parallel-connected electrodes. EC optimum working conditions for decolourisation rate of 50 mg/L synthetic dye solution were found as current density of 30-37.5 mA/cm 2 , conductivity value of 1 mS/cm, pH value of 7.5 at 25 o C for both Al and Fe electrodes in this experimental work. Additionally, a real textile wastewater was tested at similar experimental conditions achieved with synthetic dye solution using a batch EC reactor. Dye removal rate was achieved as %80 with real wastewater with energy consumption of 9.16 kWh /m 3 .