Degradation of Organic Pollutants by the Photo-Fenton-Process

Kim, Soo-Myung; Vogelpohl, Alfons

doi:10.1002/(sici)1521-4125(199802)21:2<187::aid-ceat187>3.0.co;2-h

Cited by 176 publications

(51 citation statements)

References 14 publications

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“…The net result is that, in the presence of oxalate, the photo-Fenton reaction is intrinsically more efficient, can be induced by a wider range of wavelengths of light, and results in the mineralization of the oxalate ion. Thus, for example, in a municipal water treatment system, Kim & Vogelpohl (1998) found that, with UV irradiation, the photo-Fenton process was at least 30% more energy efficient in the presence of oxalate than in its absence. Clearly, the sensitivity of the ferrioxalate-catalyzed photo-Fenton process to both UV and visible light makes it particularly attractive for applications in which the sun is employed as the radiation source (Silva et al, 2010;Trovó & Nogueira, 2011 (Machulek et al, 2009b).…”

Section: Catalysis Of the Photo-fenton Reaction By Complexation Of Fementioning

confidence: 99%

“…types of AOPs that have been proposed in the literature include (oxidant [catalyst, when present]/light): H 2 O 2 /UV (Gryglik et al, 2010;Ho & Bolton, 1998); O 3 /UV (Esplugas et al, 1994;Machulek et al, 2009a); O 3 -H 2 O 2 /UV (Yue, 1993); [TiO 2 ]/UV (Gaya & Abdullah, 2008;Henderson, 2011;Jenks, 2005;Matthews, 1992); Fe(III)/[TiO 2 ]/UV-Vis (Domínguez et al, 1998); direct photolysis of water with vacuum UV (Gonzalez et al, 2004); Fenton reaction or H 2 O 2 -Fe(II) (Dao & Laat, 2011;Haddou et al, 2010;Kwon et al, 1999;Pignatello et al, 2006;Pontes et al, 2010); and the photo-Fenton reaction or H 2 O 2 [Fe(II)/Fe(III)]/UV (Benitez et al, 2011;Kim & Vogelpohl, 1998;Kiwi et al, 1994;Machulek et al, 2007;Martyanov et al, 1997;Nichela et al, 2010;Pignatello et al, 2006;Ruppert et al, 1993). In most AOP, the objective is to use systems that produce the hydroxyl radical, HO…”

Section: Introductionmentioning

confidence: 99%

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Fundamental Mechanistic Studies of the Photo-Fenton Reaction for the Degradation of Organic Pollutants

Machulek¹,

Quina²,

Gozzi³

et al. 2012

Organic Pollutants Ten Years After the Stockholm Convention - Environmental and Analytical Update

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Section: Catalysis Of the Photo-fenton Reaction By Complexation Of Fementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fundamental Mechanistic Studies of the Photo-Fenton Reaction for the Degradation of Organic Pollutants

Machulek¹,

Quina²,

Gozzi³

et al. 2012

Organic Pollutants Ten Years After the Stockholm Convention - Environmental and Analytical Update

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“…Radiation at 290-400 nm enhances Fenton-like reactions by reduction of Fe III (OH) 2þ to Fe II and the concomitant generation of free OH radicals in this light-induced Fenton or photo-Fenton reaction (Eqn 21). [94] FeðOHÞ 2þ þ hn ! Fe 2þ þ HO ð21Þ…”

Section: Relevant Oxidation Reactionsmentioning

confidence: 86%

Iron-catalysed oxidation and halogenation of organic matter in nature

et al. 2015

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Environmental context. Natural organohalogens produced in and released from soils are of utmost importance for ozone depletion in the stratosphere. Formation mechanisms of natural organohalogens are reviewed with particular attention to recent advances in biomimetic chemistry as well as in radical-based Fenton chemistry. Iron-catalysed oxidation in biotic and abiotic systems converts organic matter in nature to organohalogens.Abstract. Natural and anthropogenic organic matter is continuously transformed by abiotic and biotic processes in the biosphere. These reactions include partial and complete oxidation (mineralisation) or reduction of organic matter, depending on the redox milieu. Products of these transformations are, among others, volatile substances with atmospheric relevance, e.g. CO 2 , alkanes and organohalogens. Natural organohalogens, produced in and released from soils and salt surfaces, are of utmost importance for stratospheric (e.g. CH 3 Cl, CH 3 Br for ozone depletion) and tropospheric (e.g. Br 2 , BrCl, Cl 2 , HOCl, HOBr, ClNO 2 , BrNO 2 and BrONO 2 for the bromine explosion in polar, marine and continental boundary layers, and I 2 , CH 3 I, CH 2 I 2 for reactive iodine chemistry, leading to new particle formation) chemistry, and pose a hazard to terrestrial ecosystems (e.g. halogenated carbonic acids such as trichloroacetic acid). Mechanisms for the formation of volatile hydrocarbons and oxygenated as well as halogenated derivatives are reviewed with particular attention paid to recent advances in the field of mechanistic studies of relevant enzymes and biomimetic chemistry as well as radical-based processes.

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“…The use of UV light in combination with Fenton's reagent, that is, the so-called photoFenton process, is able to re-generate ferrous iron reducing ferric ions and producing additional hydroxyl radical content by photolysis according to the following equation (Faust and Hoigne 1990;Kavitha and Palanivelu 2004;Kim and Vogelpohl 1998):…”

Section: Photo-fentonmentioning

confidence: 99%

The application of advanced oxidation technologies to the treatment of effluents from the pulp and paper industry: a review

Hermosilla

Merayo

Gascó

et al. 2014

Environ Sci Pollut Res

159

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Paper industry is adopting zero liquid effluent technologies to reduce fresh water use and meet environmental regulations, which implies water circuits closure and the progressive accumulation of pollutants that must be removed before water re-use and final wastewater discharge. The traditional water treatment technologies that are used in paper mills (such as dissolve air flotation or biological treatment) are not able to remove recalcitrant contaminants. Therefore, advanced water treatment technologies, such as advanced oxidation processes (AOPs), are being included in industrial wastewater treatment chains aiming to either improve water biodegradability or its final quality. A deep review of the current state of the art regarding the use of AOPs for the treatment of the organic load of effluents from the paper industry is herein addressed considering mature and emerging treatments for a sustainable water use in this sector. Wastewater composition, which is highly dependent of the raw materials being used in the mills, the selected AOP itself, and its combination with other technologies, will determine the viability of the treatment. In general, all AOPs have been reported to achieve good organics removal efficiencies (COD removal >40%; and about an extra 20% if AOPs are combined with biological stages). Particularly, ozonation has been the most extensively reported and successfully implemented AOP at an industrial scale for effluent treatment or reuse within pulp and paper mills; although Fenton processes (photo-Fenton particularly) have actually addressed better oxidative results (COD removal ≈65-75%) at lab scale, but still need further development at large scale.

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Degradation of Organic Pollutants by the Photo-Fenton-Process

Cited by 176 publications

References 14 publications

Fundamental Mechanistic Studies of the Photo-Fenton Reaction for the Degradation of Organic Pollutants

Fundamental Mechanistic Studies of the Photo-Fenton Reaction for the Degradation of Organic Pollutants

Iron-catalysed oxidation and halogenation of organic matter in nature

The application of advanced oxidation technologies to the treatment of effluents from the pulp and paper industry: a review

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