Oxidative Degradation of the Carbothioate Herbicide, Molinate, Using Nanoscale Zero-Valent Iron

Sung Hee Joo; Andrew J. Feitz; T. David Waite

doi:10.1021/es035157g

Oxidative Degradation of the Carbothioate Herbicide, Molinate, Using Nanoscale Zero-Valent Iron

Sung Hee Joo, Andrew J. Feitz, T. David Waite

Research output: Contribution to journal › Article › peer-review

318 Scopus citations

Abstract

Degradation of the carbothiolate herbicide, molinate, has been investigated in oxic solutions containing nanoscale zero-valent iron particles and found to be effectively degraded by an oxidative pathway. Both ferrous iron and superoxide (or, at pH <4,8, hydroperoxy) radicals appear to be generated on corrosion of the zero-valent iron with resultant production of strongly oxidizing entities capable of degrading the trace contaminant.

Original language	English (US)
Pages (from-to)	2242-2247
Number of pages	6
Journal	Environmental Science and Technology
Volume	38
Issue number	7
DOIs	https://doi.org/10.1021/es035157g
State	Published - Apr 1 2004
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Environmental Chemistry

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10.1021/es035157g

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abstract = "Degradation of the carbothiolate herbicide, molinate, has been investigated in oxic solutions containing nanoscale zero-valent iron particles and found to be effectively degraded by an oxidative pathway. Both ferrous iron and superoxide (or, at pH <4,8, hydroperoxy) radicals appear to be generated on corrosion of the zero-valent iron with resultant production of strongly oxidizing entities capable of degrading the trace contaminant.",

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AB - Degradation of the carbothiolate herbicide, molinate, has been investigated in oxic solutions containing nanoscale zero-valent iron particles and found to be effectively degraded by an oxidative pathway. Both ferrous iron and superoxide (or, at pH <4,8, hydroperoxy) radicals appear to be generated on corrosion of the zero-valent iron with resultant production of strongly oxidizing entities capable of degrading the trace contaminant.

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Oxidative Degradation of the Carbothioate Herbicide, Molinate, Using Nanoscale Zero-Valent Iron

Abstract

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