2003
DOI: 10.1021/ie030076e
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Destruction of Chlorinated Phenols by Dioxygen Activation under Aqueous Room Temperature and Pressure Conditions

Abstract: The complete destruction of separate mixtures of 1.1 mM 4-chlorophenol (aqueous) and 0.61 mM pentachlorophenol (aqueous slurry) take place in the presence of 0.5 g of iron particles in 10 mL of 0.32 mM ethylenediaminetetraacetic acid (EDTA) under ambient air under room temperature conditions. Under this reaction condition, the time required to reach complete disappearance to the detection limit of GC-FID for each compound was 4 h for 4-chlorophenol and 70 h for pentachlorophenol. Electrospray ionization mass s… Show more

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Cited by 101 publications
(87 citation statements)
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“…Zero valent iron has been widely used in different environmental treatment processes [16,17] and the direct electron transfer from Fe 0 to H 2 O 2 during a Fenton reaction is a very slow process at neutral pH [18]. However, Fe 0 /Fe 3 O 4 composite showed highly catalytic activity for the decomposition of H 2 O 2 as a result of an electron transfer process from metal to magnetite [18,19].…”
Section: Introductionmentioning
confidence: 99%
“…Zero valent iron has been widely used in different environmental treatment processes [16,17] and the direct electron transfer from Fe 0 to H 2 O 2 during a Fenton reaction is a very slow process at neutral pH [18]. However, Fe 0 /Fe 3 O 4 composite showed highly catalytic activity for the decomposition of H 2 O 2 as a result of an electron transfer process from metal to magnetite [18,19].…”
Section: Introductionmentioning
confidence: 99%
“…Several investigators have demonstrated the degradation of organic contaminants such as phenolic compounds, herbicides, pharmaceuticals and diagnostic agents, and dyes by the ZVI/O2 and the Fe(II)/O2 systems with or without additives [13,39,40,[45][46][47][48][49][50]. Table 2 summarizes those literature results reported in terms of the type of iron, the target compound, initial concentrations, conditions, and degradation efficiency.…”
Section: Application To Removal Of Water Contaminantsmentioning
confidence: 99%
“…The use of additives such as EDTA, TPP, POM, and NOM (iron-chelating agents or electron shuttles) greatly enhanced the degradation rate of organic contaminants [13,[39][40][41]46]. In particular, the addition of iron-chelating agents enables the ZVI/O2 system to work at neutral pH.…”
Section: Application To Removal Of Water Contaminantsmentioning
confidence: 99%
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“…Em processos heterogêneos como Feº, a adsorção do contaminante na superfície das partículas do Feº é uma preocupação relatada por vários autores (NORADOUN et al, 2003;ZHOU et al, 2009 [Feº] 25 g L -1 sem pré-trat.…”
Section: Feº E Edtaunclassified