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Photocatalytic Degradation of Phenol Using Chemical Vapor Desposition Graphene Column

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Authors
Kim, Juhee; Park, Baekwon; Shin, Dong Heon; Yoo, Je Min; Lee, Hyukjin; Hong, Byung Hee
Issue Date
2020-11
Citation
Catalysts, Vol.10 No.11, p. 1251
Keywords
CVD graphenephotocatalystadvanced oxidation processcontinuous phenol degradationwater treatment column
Abstract
In the field of wastewater treatment, the advanced oxidation process (AOP) is a widely employed method. It uses reactive oxygen species (ROS) to degrade harmful organic and inorganic chemicals. Metal catalysts are the conventional standard when using these methods. However, they have drawbacks such as harsh activation conditions and poor recyclability. We previously suggested chemical vapor deposition (CVD) graphene film as an alternative metal-free catalyst. In this study, we enhanced the catalytic activity of the CVD graphene film by synergistically adding UV light irradiation. The result was complete degradation of phenol on a wafer-scale in a reduced timeframe. To further enhance the degradation process, we devised a graphene-based column for continuous in situ chemical oxidation and analyzed the intermediates over time, proving the potential of graphene-assisted AOP in industrial wastewater applications.
ISSN
2073-4344
URI
https://hdl.handle.net/10371/172178
DOI
https://doi.org/10.3390/catal10111251
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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