Uji Kinerja Fotokatalis ZnO-Zeolit dari Limbah Baterai Zn-C dalam Mendegradasi Limbah Cair Tekstil Berdasarkan Massa Fotokatalis dan Waktu Kontak
Keywords:
Battery Waste, Textile Waste ZnO, Zeolite, Photocatalyst, DegradationAbstract
The textile industry in Indonesia plays a vital role in the economy but is also a significant source of environmental pollution. This study explores the performance of ZnO-zeolite photocatalyst synthesized from Zn-C battery waste to degrade textile wastewater. ZnO was synthesized via solution methods and doped with synthetic zeolite to enhance photocatalytic activity. The photocatalytic tests were conducted under varying mass (0,5; 0,75; 1 mass) and contact time (30, 60, 90, 120 minutes) using UV light. Material characterization using XRD and DRS UV-Vis revealed crystal size of 16.08 nm and band gap energy of 2.98 eV. Photocatalytic tests showed a decrease in pH from 9.32 to 7.15, COD reduction from 522 mg/L to 100 mg/L, and phenol degradation from 3.769 mg/L to 0.110 mg/L, especially at 0.75 mass and 90-minute contact time. The study concludes that ZnO-Zeolite from battery waste is effective and environmentally friendly for textile wastewater treatment.
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