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All Journal AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment)
Firra Rosariawari
Environmental Engineering, Faculty of Science and Technology, UPN Veteran Jawa Timur, Surabaya., Indonesia,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Energy Environmental Science

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Combined Electrocoagulation and Ozonation for Color, TSS, and COD Removal from Batik Wastewater Anggie Devitasari; Firra Rosariawari
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 1 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i1.870

Abstract

The research was carried out in two stages. First, the electrocoagulation process was performed using aluminium electrodes with electric current settings of 1, 2, 3, 4, and 5 amperes and contact times of 20, 30, 40, 50, and 60 minutes. Second, the ozonation process was conducted with contact time variations of 0, 15, 30, 45, and 60 minutes. The analysed parameters were TSS, COD, and colour, and the data were further evaluated using ANOVA to determine the statistical significance of the treatment factors. The combination of electrocoagulation and ozonation demonstrates significant potential as an alternative method for reducing pollutant load in batik wastewater, particularly by lowering Total Suspended Solids (TSS), Chemical Oxygen Demand (COD), and colour. The electrocoagulation process achieved 98% TSS reduction and 67% COD reduction. Subsequently, ozonation further enhanced treatment efficiency, resulting in an impressive 93% reduction in COD and 37% reduction in colour. These promising results highlight the combined method's capability to support more environmentally friendly wastewater treatment efforts. Contribution to Sustainable Development Goals (SDGs):SDG 6: Clean Water and SanitationSDG 9: Industry, Innovation, and InfrastructureSDG 12: Responsible Consumption and Production
Co-Authors Anggie Devitasari