Salsabila, Wiranti (2026) Efektivitas Fotokatalis Berbasis Komposit TiO2-Karbon Aktif untuk Mendegradasi Polutan pada Limbah Cair Batik. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The batik industry generates wastewater containing high levels of synthetic dyes and organic compounds, posing a significant environmental threat if left untreated. This study aims to analyze the effectiveness of a TiO2-activated carbon composite, derived from sugarcane bagasse and coconut shells, in reducing color intensity and Chemical Oxygen Demand (COD) in batik wastewater. The activated carbon was chemical-activated using HCl and synthesized with TiO2via the impregnation method. The parameters investigated included the activated carbon ratio (1:1, 1:2, and 2:1), composite mass (2, 2.5, and 3 g), and UV-A irradiation time (30, 60, and 90 minutes). The results indicated that the optimum conditions were achieved at a 1:1 ratio, a composite mass of 3 g, and an irradiation time of 90 minutes. Under these conditions, the color intensity decreased from 2945 to 720 Pt-Co (75.6%) and the COD level dropped from 2144 to 768 mg/L (64.2%), while the pH increased from 6.44 to 6.91. SEM-EDX characterization revealed a titanium content of 21.2%, confirming the successful fabrication of the composite. This TiO2-activated carbon composite shows great potential as an effective and eco-friendly alternative for batik wastewater treatment. Keywords: Batik Wastewater, TiO2-Activated Carbon Composite, Photocatalysis, Chemical Oxygen Demand, Color Removal.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||
| Depositing User: | Wiranti Salsabila 22034010014 | ||||||||
| Date Deposited: | 22 Jul 2026 02:27 | ||||||||
| Last Modified: | 10 Sep 2026 04:01 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/57257 |
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