EFEKTIVITAS ELEKTROKOAGULASI DENGAN ELEKTRODA Al, Zn, DAN Ni DALAM MENGOLAH LIMBAH CAIR INDUSTRI KERTAS: PENGURANGAN COD DAN TURBIDITAS
Keywords:
degradation, electrocoagulation, wastewaterAbstract
The aim of this research is to assess the effectiveness of electrocoagulation in reducing COD (Chemical Oxygen Demand) and turbidity in wastewater from the paper industry using Al, Zn, and Ni electrodes. Wastewater from the paper industry was treated with electrocoagulation using Al, Zn, and Ni electrodes at a voltage of 10 volts. Contact times tested were 30, 45, 60, and 90 minutes. Measured parameters included COD, pH, and turbidity both before and after treatment. The initial wastewater conditions showed a COD value of 2950 mg/L, pH 8.48, and turbidity of 315.4 NTU. The Al electrode performed the best in reducing COD and turbidity. At a 90-minute contact time, the Al electrode successfully reduced COD to 970 mg/L and turbidity to 155 NTU with a final pH of 7.3. Meanwhile, the Zn and Ni electrodes resulted in COD reductions of 970 mg/L and 910 mg/L, as well as turbidity values of 155 NTU and 125 NTU. Electrocoagulation with the Al electrode proved to be more effective in treating wastewater from the paper industry compared to the Zn and Ni electrodes. The results of this study demonstrate the significant potential of electrocoagulation, especially with the Al electrode, as an environmentally friendly and effective method for treating wastewater from the paper industry. The adoption of this technique could reduce wastewater treatment costs by improving efficiency and reducing chemical consumptionReferences
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Indonesian Society of Applied Science (ISAS)
