Kinetic model for phenolic compound oxidation by Fenton's reagent

Heredia, Jesús Beltrán de; Torregrosa, Joaquin; Domínguez, Joaquín R.; Peres, José A.

doi:10.1016/s0045-6535(01)00056-x

Cited by 150 publications

(48 citation statements)

References 9 publications

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“…This means that a higher initial concentration is decreased more by the photocatalyst [21]. Therefore, that is the reason the removal efficiency of P25 was not as remarkable in this experiment as in other studies, where P25 could remove phenol properly at a 100 ppm concentration [22][23][24]. However, they didn't indicate clearly a result at high concentrations, such as the 5,000 ppm concentration in this study.…”

Section: Photocatalysis and Adsorption Activity Of Phenol By Using Ticontrasting

confidence: 70%

“…An especially low concentration of the reactant showed better photocatalytic efficiency [19]. Beltran-Heredia et al [23] showed that a photocatalyst with 100 ppm reactant has up to 70% removal efficiency, but 10 ppm has up to 45% in the same conditions. This means that a higher initial concentration is decreased more by the photocatalyst [21].…”

Section: Photocatalysis and Adsorption Activity Of Phenol By Using Timentioning

confidence: 99%

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A study on removal efficiency of phenol and humic acid using spherical activated carbon doped by TiO2

Jung

Hong

Suh

2011

Korean J. Chem. Eng.

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This study aimed to find a way to remove organic pollutants, phenol and humic acid in aqueous solutions using TiO 2 spherical activated carbon (Ti-SPAC). The Ti-SPAC was manufactured by resin ion-exchange and a heating process. This method was very effective not only in creating TiO 2 on the surface of the supports evenly, but also in making activated carbon that has highly-developed micro pores. To estimate whether Ti-SPAC has the proper features as a photocatalyst and adsorbent, it was examined in detail by X-ray patterns, SEM image, EDXS, BET, EPMA. The results proved that Ti-SPAC is a very useful material for treating wastewater by photocatalysis and absorption.

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Section: Photocatalysis and Adsorption Activity Of Phenol By Using Ticontrasting

confidence: 70%

Section: Photocatalysis and Adsorption Activity Of Phenol By Using Timentioning

confidence: 99%

A study on removal efficiency of phenol and humic acid using spherical activated carbon doped by TiO2

Jung

Hong

Suh

2011

Korean J. Chem. Eng.

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“…This method consists in the simultaneous degradation of the compound of concern and a standard compound (competitor) with a well-known absolute rate constant of its reaction with hydroxyl radicals. Therefore p-hydroxybenzoic acid (p-HBA) acid (kpAHB = 2.19 x 10 9 M -1 s -1 ) [50] was used as standard competitor for the determination of the absolute rate constant of SMT oxidation by hydroxyl radicals. The concentration decay of SMT and p-HBA was followed and measured by HPLC analysis on a short treatment time.…”

Section: Kinetics Of Smt Degradationmentioning

confidence: 99%

Effect of the anode materials on the efficiency of the electro-Fenton process for the mineralization of the antibiotic sulfamethazine

Sopaj¹,

Oturan²,

Pinson³

et al. 2016

Applied Catalysis B: Environmental

240

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“…It seems that the number of hydroxyl radicals yielded by high concentrations of hydrogen peroxide is larger than the number yielded by high concentration of Fe 3+ . Many researchers have reported that the Fenton reaction yielded hydroxyl radicals which were able to oxidize various organic compounds [10,14,[21][22][23][24].…”

Section: Degradation and Dechlorination Of Pce By The Fenton Reactionmentioning

confidence: 99%

Kinetic correlation between degradation and dechlorination of perchloroethylene in the Fenton reaction

Kim

Lee

Ahn

et al. 2010

Korean J. Chem. Eng.

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In the Fenton reaction, degradation and dechlorination are directly affected by the concentrations of hydrogen peroxide and Fe 3+ . Although there is considerable research on the biodegradation of chlorinated compounds combined with the Fenton reaction, the kinetics of degradation and dechlorination of the reaction, with various concentrations of hydrogen peroxide and Fe 3+ , have been rarely investigated. Therefore, we investigated the degradation and dechlorination of PCE with various concentrations of hydrogen peroxide and Fe 3+ . The initial concentration of PCE (10 µM) decreased from a value of 8.9 µM (with 0.1 mM of hydrogen peroxide and 5 mM of Fe 3+ ) to 1.1 µM (with 10 mM of hydrogen peroxide and 5 mM of Fe 3+ ); the respective values for chloride ions produced were 0.9 and 21.6 µM. Also, the initial 10 µM of PCE decreased from 8.9 (with 0.1 mM of Fe 3+ and 5 mM of hydrogen peroxide) to 2.2 µM (with 10 mM of Fe 3+ and 5 mM of hydrogen peroxide); the respective chloride ions produced were 0.7 and 14.5 µM. The logarithmic correlations between the degradation and dechlorination coefficients were 0.7682 and 0.7834 for concentrations of hydrogen peroxide and Fe 3+ , respectively. Both coefficients were used, from all possible cases, to derive six models which displayed both the ratio of degradation and dechlorination and the hydrogen peroxide and Fe 3+ concentrations. The dechlorination of PCE could then be predicted with the model obtained by the coefficient with the concentration of hydrogen peroxide and Fe 3+ . The models could be applied to various Fenton reactions for optimization of degradation or dechlorination, such as biodegradation of PCE which is scarcely degraded by aerobic bacteria.

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Kinetic model for phenolic compound oxidation by Fenton's reagent

Cited by 150 publications

References 9 publications

A study on removal efficiency of phenol and humic acid using spherical activated carbon doped by TiO2

A study on removal efficiency of phenol and humic acid using spherical activated carbon doped by TiO2

Effect of the anode materials on the efficiency of the electro-Fenton process for the mineralization of the antibiotic sulfamethazine

Kinetic correlation between degradation and dechlorination of perchloroethylene in the Fenton reaction

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