4.4 Article

Enhancement of Wastewater Treatment Using Mist and Photocatalyst

Journal

CHEMICAL ENGINEERING & TECHNOLOGY
Volume 46, Issue 6, Pages 1185-1190

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.202200524

Keywords

Advanced oxidation processes; Mist; Phenol; Photocatalysts; Ultrasound

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Advanced oxidation processes are effective for treating wastewater with refractory organic substances. Hybrid reactors using mist generated by ultrasound and photocatalysts can enhance pollutant removal. However, the functions of UV, ultrasound, mist, and photocatalyst in the hybrid reactor are still unclear. This study aims to investigate these functions by comparing pollutant removal performance under different operating conditions. The results show that UV, ultrasound, and photocatalyst are necessary for utilizing mist as a reaction field, and a synergistic effect is observed when these conditions are applied together in the hybrid reactor.
Advanced oxidation processes are attractive methods for treating wastewater containing refractory organic substances. Hybrid reactors utilizing mist generated by ultrasound and photocatalysts have been proposed to enhance pollutant removal. However, the functions of ultraviolet, ultrasound, mist, and photocatalyst in the hybrid reactor have not been clarified. The aim of this study is to investigate these functions by comparing the pollutant removal performance under different operating conditions. The results indicate that the application of ultraviolet, ultrasound, and photocatalyst is necessary to utilize mist as a reaction field. A synergistic effect of the simultaneous application was observed in the hybrid reactor.

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