The application of chromium sulfate in tanning operations yields chromium-laden wastewater, posing significant environmental risks.This research explored electrocoagulation as a remedial measure for tannery effluents.Varied parameters -pH (4, 7, 10), electric currents (0.5, 1.0, 1.5 A), and durations (1, 2, 3 h) -were optimized to diminish the chromium content.Evaluation based on initial and final chromium concentrations demonstrated 99.94% removal efficiency at pH 4, 1.5 A, over 3 hours.Achieving the 0.6 mg/L target concentration occurred at pH 4, 0.91 A, for 3 hours.This study highlighted the effectiveness of electrocoagulation in chromium mitigation within tannery wastewater, showcasing its potential as an environmentally sustainable remediation.
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Hartati et al. (2024) studied this question.
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