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Fenton oxidation of 2,4- and 2,6-dinitrotoluene and acetone inhibition

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Fenton oxidation of 2,4- and 2,6-dinitrotoluene and acetone inhibition

Content Provider	Springer Nature Link
Author	He, Yiliang Zhao, Bin Hughes, Joseph B. Han, Sung Soo
Copyright Year	2008
Abstract	The performances and kinetic parameters of Fenton oxidation of 2,4- and 2,6-dinitrotoluene (DNT) in water-acetone mixtures and explosive contaminated soil washing-out solutions were investigated at a laboratory scale. The experimental results show that acetone can be a significant hydroxyl radical scavenger and result in serious inhibition of Fenton oxidation of 2,4- and 2,6-DNT. Although no serious inhibition was found in contaminated soil washing-out solutions, longer reaction time was needed to remove 2,4- and 2,6-DNT completely, mainly due to the competition of hydroxyl radicals. Fenton oxidation of 2,4- and 2,6-DNT fit well with the first-order kinetics and the presence of acetone also reduced DNT’s degradation kinetics. Based on the comparison and matching of retention time and ultraviolet (UV) spectra between high performance liquid chromatography (HPLC) and standards, the following reaction pathway for 2,4-DNT primary degradation was proposed: 2,4-DNT → 2,4-dinitro-benzaldehyde → 2,4-dinitrobenzoic acid → 1,3-dinitrobenzene → 3-nitrophenol.
Starting Page	326
Ending Page	332
Page Count	7
File Format	PDF
ISSN	16737415
Journal	Frontiers of Environmental Science & Engineering in China
Volume Number	2
Issue Number	3
e-ISSN	16737520
Language	English
Publisher	SP Higher Education Press
Publisher Date	2008-05-05
Publisher Institution	Chinese Universities
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	dinitrotoluenes Fenton oxidation acetone inhibition degradation kinetic reaction pathway Environment
Content Type	Text
Resource Type	Article
Subject	Environmental Science

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