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Lee, Changha
Advanced Redox Technology (ART) Lab
Research Interests
  • Water Treatment, Advanced Oxidation/Reduction, Water Chemistry, Environmental Catalyst

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영가철 기반 펜톤 시스템을 활용한 페놀의 산화분해

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Title
영가철 기반 펜톤 시스템을 활용한 페놀의 산화분해
Other Titles
Oxidative Degradation of Phenol using Zero-valent Iron-based Fenton-like Systems
Author
Kim, Hak-HyeonLee, Hye-JinKim, Hyung-EunLee, HongshinLee, Byeong-DaeLee, Changha
Keywords
Advanced oxidation process; Fenton reaction; Zero-valent iron; Hydroxyl radical; Phenol oxidation
Issue Date
2013
Publisher
한국지하수토양환경학회
Citation
지하수토양환경, v.18, no.4, pp.61 - 68
Abstract
For the last couple of decades, the Fenton (-like) systems have been extensively studied for oxidation of organic contaminants in water. Recently, zero-valent iron (ZVI) has received attention as a Fenton catalyst as well as a reducing agent capable of producing reactive oxidants from oxygen. In this study, the ZVI-based Fenton reaction was assessed for the oxidative degradation of phenol using ZVI/O2, ZVI/H2O2, ZVI/Oxalate/O2 and hn/ZVI/Oxalate/O2 systems. Reaction parameters such as pH and reagent dose (e.g., ZVI, H2O2, and oxalate) were examined. In the presence of oxalate (ZVI/ Oxalate/O2 and hv/ZVI/Oxalate/O2 systems), the degradation of phenol was greatly enhanced at neutral pH values. It was found that ZVI accelerates the Fenton reaction by reducing Fe(III) into Fe(II). The conversion of Fe(III) into Fe(II) by ZVI was more stimulated at acidic pH than at near-neutral pH values.
URI
http://scholarworks.unist.ac.kr/handle/201301/4275
DOI
http://dx.doi.org/10.7857/JSGE.2013.18.4.061
ISSN
1598-6438
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