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- Title
Electrocoagulation Process for Chromium Removal in Leather Tanning Effluents.
- Authors
Hartati, Etih; Hasyyati, Lina; Permadi, Didin Agustin; Djaenudin; Permana, Dani; Putra, Herlian Eriska
- Abstract
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.
- Subjects
CHROMIUM; CHROMIUM removal (Water purification); LEATHER; ELECTRIC currents; ENVIRONMENTAL risk; SEWAGE
- Publication
Journal of Ecological Engineering, 2024, Vol 25, Issue 4, p1
- ISSN
2299-8993
- Publication type
Article
- DOI
10.12911/22998993/183554