Photocatalytic effects of Fe(III) compounds on the hydroxylation of benzoic acid by hydrogen peroxide initiated by UV-radiation

Sedlák, Petr; Luňák, Stanislav; Brodilová, Jiřina; Lederer, P.

doi:10.1007/bf02071335

Cited by 12 publications

(4 citation statements)

References 7 publications

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“…The ferrous ion produced reacts with hydrogen peroxide generating a second hydroxyl radical and ferric ion, and the cycle continues. Lunak et al (29)(30)(31)(32) observed the enhanced rate of photo-oxidation of salicylic and benzoic acid by hydrogen peroxide in the presence of Fe(III), as well as the increased rate of photodecomposition of hydrogen peroxide in the presence of transition metal ions. However, reaction (3) alone cannot account for the observed rate of disappearance and oxidation of organic pollutants.…”

Section: Fenton's and Fenton Like Reagentsmentioning

confidence: 97%

The Use of Iron in Advanced Oxidation Processes

Safarzadeh–Amiri¹,

Bolton²,

Cater³

1996

Journal of Advanced Oxidation Technologies

149

150

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The oxidation of organic compounds by Fe(II)/H 2 0 2 (known as Fenton's reagent) has been known for nearly a century. Recently, this reagent has been used in wastewater treatment technology. The scope and the range of applicability of Fenton and Fenton like [Fe(ni)/H 2 0 2 ] reagents in advanced oxidation technology is reviewed and selected examples of their application are presented. The rate of oxidation and the extent of mineralization of organic pollutants with these reagents is improved significantly by irradiation with UV-visible light. The usefulness of UV-visible/ Fe(II)/H 2 0 2 and UV-visible/Fe(III)/H 2 0 2 processes are exemplified through specific applications. Still, much higher improvement in the rate of destruction of organic pollutants is achieved by replacement of Fe(II)/Fe(III) with ferrioxalate.

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Section: Fenton's and Fenton Like Reagentsmentioning

confidence: 97%

The Use of Iron in Advanced Oxidation Processes

Safarzadeh–Amiri¹,

Bolton²,

Cater³

1996

Journal of Advanced Oxidation Technologies

149

150

View full text Add to dashboard Cite

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“…In the presence of Fe(acac) 3 the interaction of substrate with hydrogen peroxide involves, in addition to the above direct mechanism, also the photocatalytic mechanism, which starts to predominate even at low photocatalyst concentrations (see effect of Fe(acac) 3 ). The photocatalytic mechanism consists of photochemical generation of the thermal reaction catalyst (i.e.…”

Section: Mbmentioning

confidence: 99%

Photochemical Hydroxylation of Salicylic Acid Derivatives with Hydrogen Peroxide, Catalyzed with Fe(III) and Sensitized with Methylene Blue

Luňák

Мuzart

Brodilová

1994

Collect. Czech. Chem. Commun.

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“…by Fenton and photo-Fenton reagent has been reported. [8][9][10][11][12] Degradation of malachite green by Fenton's reagent catalysed by various aromatic additives was examined by Chen et al 13 Sedlak et al 14 examined the photocatalytic effects of Fe(III) compounds on the hydroxylation of benzoic acid by hydrogen peroxide initiated by UVradiation. Walling 15 studied intermediates in the reaction of Fenton's type reagents.…”

Section: Introductionmentioning

confidence: 99%

A study of catalytic behaviour of aromatic additives on the photo-Fenton degradation of phenol red

et al. 2009

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The present study describes the photochemical degradation of phenol-red using photoFenton reaction. The progress of the reaction has been monitored spectrophotometrically. The effect of various organic additives e.g. hydroquinone, resorcinol and catechol on the rate of photodegradation has been observed. The effect of variation of various parameters such as pH, concentration of dye, Fe 3+ ion and additives, amount of H 2 O 2 , and light intensity on the rate of photodegradation was also observed. A tentative mechanism of the reaction has been proposed.

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Photocatalytic effects of Fe(III) compounds on the hydroxylation of benzoic acid by hydrogen peroxide initiated by UV-radiation

Cited by 12 publications

References 7 publications

The Use of Iron in Advanced Oxidation Processes

The Use of Iron in Advanced Oxidation Processes

Photochemical Hydroxylation of Salicylic Acid Derivatives with Hydrogen Peroxide, Catalyzed with Fe(III) and Sensitized with Methylene Blue

A study of catalytic behaviour of aromatic additives on the photo-Fenton degradation of phenol red

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