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The present study aims to remove reactive blue dye (RBD) from simulated wastewater using a batch electrocoagulation reactor connected to a power source in a bipolar-parallel mode. The aluminum electrodes used in this work have been configured to be the interior two as perforated-plates while the outer two plates as not perforated. This investigation have conducted under the effect of the reaction time, voltage applied, and pH according to the ranges (2-80 min), (15-25 volt), and (4-12), respectively. The experimental design and the analysis of results obtained have done using response surface methodology (RSM) type central composite design (CCD) and Minitab-statistical program. The core findings revealed the treatability of the present configuration of electrodes to achieve higher removal efficiency of RBD. The complete RBD-removal was attained at the optimum values of the operating variables which were 43.75 min, 17.62 volt, and 4 of the reaction time, voltage applied, and pH, respectively. The mathematical models were significant according to the ANOVA test (p&lt;0.001). This study proved the ability of the electrocoagulation technology to remove RBD from wastewater using the present configuration of electrodes.

Removal of reactive blue dye from simulated wastewater by electrocoagulation using bipolar connection mode