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KMID : 1024520210300121005
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Journal of the Environmental Sciences
2021 Volume.30 No. 12 p.1005 ~ p.1014
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A Study on the Characteristics of Fenton Oxidation of Bisphenol A and Nitrobenzene
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Bae Su-Jin
Kwon Hee-Won
Kim Ji-Young
Hwang In-Seong
Kim Young-Hun
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Abstract
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Organic contaminants can be released into water environments due to chemical accidents and exist as dissolved and non-aqueous phase liquids (NAPL). Fenton oxidation was tested for bisphenol A and nitrobenzene as model organic contaminants in dissolved and NAPL states. Fenton oxidation was successfully applied for both of the dissolved and NAPL states of the two pollutants and the results indicated that a quick treatment was needed to reduce the risk from a chemical accidents instead of carrying out oxidation after the contaminants dissolve in water. A set of Fenton reactions were tested under seawater conditions because chemical accidents often occurs in the ocean. Chloride ions act as radical scavengers and inhibit Fenton oxidation. The reaction rate is inversely proportional to salt contents and the reduced reaction rate can be compensated by increasing the quantity of the oxidizing agents. The current study showes that Fenton oxidation could be applied as a quick treatments for organic contaminant in dissolved and NAPL state organic contaminants released as a result of leaks or chemical accidents.
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KEYWORD
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Fenton’s Oxidation, NAPL, Cl- scavenger, Bisphenol A, Nitrobenzene
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