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Article history: Received 30 October 2019 Accepted 17 November 2019 Available online 28 November 2019 The main aim of this work is environmental protection by investigation of efficient electrocoagulation of dyes by aluminum electrode cell setup with graphene oxide adsorbent. The efficiency of dye removal was evaluated by the absorbance of the Basic green 4 and Acid yellow solution at 621 nm and 425 nm respectively. The operating conditions of electrocoagulation such as current density (10-30 mA/cm2), electrolysis time (5-20 minutes), pH of the medium (2 to 10), stirring speed (150-350 rpm), inter electrode distance (0.8 to 2 cm) and NaCl concentration (1.5-5.0 g/L) were optimized and found to be 30 mA/cm2, 20 min, pH 8.0, 300 rpm, 2 cm and 5 g/L respectively. The results showed that the dye removal efficiency was enhanced to 99% by the addition of graphene oxide. The result of the present research work can be useful for an efficient large-scale treatment of industrial effluents contaminated with Basic green 4 and Acid yellow 23.

Enhanced Electrocoagulation of Basic Green 4 and Acid Yellow 23 using Graphene Oxide as Adsorbent