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In the present work, it has been proved that the direct anodic electrochemical oxidation method is effective for removing indigo carmine dye through an application on simulated textile effluent confirmed by tests of UV-visible and COD. The effect of several factors such as current density (3,6,9) mA/cm 2  electrolyte temperature (20,30,40,50)°C, and initial coloring concentration (250, 500, 1000) ppm, area ratio of electrode (anode/cathode) (1:1) and electrode spacing (0.5,1,1.5)cm) were investigated using a well design electrochemical cell. The experiment shows that the optimum condition for removing indigo carmine dye from simulated textile wastewater are current density (9 mA/cm 2 ), temperature (40°C), concentration (250 ppm), electrodes distance (0.5 cm) and power consumption (3.238 w.h/m 3 ) with removal percent (61.7%). pseudo-first-order the reaction was most to statistically appropriate describing the machine direct anodic electrochemical oxidation of indigo carmine.

Study Kinetic Reaction and Removal of Indigo Carmine Dye in Aqueous Solutions by Direct Electrochemical Oxidation