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Vol. 34 No. 5 (2022): Vol 34 Issue 5, 2022

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Effect of Electric Voltage on Simultaneous Electrocoagulation-Photocatalysis Process in Removal of Ciprofloxacin-Methylene Blue Mixture and Hydrogen Recovery

https://doi.org/10.14233/ajchem.2022.23614
Reno Pratiwi
Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Depok, Indonesia
Dianah Salsha Dilla
Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Depok, Indonesia
Slamet
Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Depok, Indonesia

Corresponding Author(s) : Slamet

slamet@che.ui.ac.id

Asian Journal of Chemistry, Vol. 34 No. 5 (2022): Vol 34 Issue 5, 2022

Abstract

In recent years, the number of health problems and hospital activities have increased with the amount of liquid waste produced. Therefore, this study aims to observe the effectiveness of wastewater treatment of antibiotics ciprofloxacin and methylene blue mixture using electrocoagulation and photocatalysis processes simultaneously. The observation focuses on the effect of the electric voltage used in electrocoagulation, considering the process is simultaneously conducted with photocatalysis. The smaller electrical voltage (20 V) increases the effectiveness of removing ciprofloxacin and methylene blue by 92.5% and 98.5%, respectively. Furthermore, hydrogen yields reached 2.07 mmol/g photocatalyst at 50 V voltage, while 0.98 mmol/g hydrogen gas photocatalyst was obtained when 20 V voltage was used in the process. A simultaneous process was developed by increasing the performance of the photocatalyst in terms of its ability to produce hydrogen. Similarly, the electrocoagulation voltage is sufficiently to maintain the effectiveness of removing dissolved pollutants.

Keywords

Electrocoagulation Photocatalysis Voltage Hydrogen
Pratiwi, R., Salsha Dilla, D., & Slamet, . (2022). Effect of Electric Voltage on Simultaneous Electrocoagulation-Photocatalysis Process in Removal of Ciprofloxacin-Methylene Blue Mixture and Hydrogen Recovery. Asian Journal of Chemistry, 34(5), 1145–1150. https://doi.org/10.14233/ajchem.2022.23614
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