Resin-supported Fe(III) as an efficient heterogeneous Fenton catalyst for degradation of Reactive Black 5

Yan WangDepartment of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang233100, China, Tel. +86 139 65999209; Fax: +86 550 6732317, Tel. +86 18255007020; Fax: +86 550 6732317, Tel. +86 139 55069129; Fax: +86 550 6732317, Tel. +86 18255005975; Fax: +86 550 6732317Correspondence[email protected]

Yan ChenDepartment of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang233100, China, Tel. +86 139 65999209; Fax: +86 550 6732317, Tel. +86 18255007020; Fax: +86 550 6732317, Tel. +86 139 55069129; Fax: +86 550 6732317, Tel. +86 18255005975; Fax: +86 550 6732317Correspondence[email protected]

Jianfei WangDepartment of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang233100, China, Tel. +86 139 65999209; Fax: +86 550 6732317, Tel. +86 18255007020; Fax: +86 550 6732317, Tel. +86 139 55069129; Fax: +86 550 6732317, Tel. +86 18255005975; Fax: +86 550 6732317Correspondence[email protected]

Jiaojiao LuDepartment of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang233100, China, Tel. +86 139 65999209; Fax: +86 550 6732317, Tel. +86 18255007020; Fax: +86 550 6732317, Tel. +86 139 55069129; Fax: +86 550 6732317, Tel. +86 18255005975; Fax: +86 550 6732317Correspondence[email protected]

Abstract

In this study, a resin-supported Fe(III) catalyst (Fe/R) was developed for the degradation of Reactive Black 5 (RB5) by a heterogeneous Fenton-like reaction. The catalyst stability was evaluated by measuring color removal efficiency for five successive cycles. The Fe/R samples were characterized by XRD, TGA, SEM-EDS, and FTIR techniques as well as physical properties were determined using the BET method. The effect of major parameters including pH, H₂O₂ concentration, catalyst addition, initial dye concentration, reaction temperature, and amount of hydroxyl radical scavenger (tert-butyl alcohol) on the decolorization of RB5 was investigated. The results indicated that the RB5 decolorization rate increased with increasing H₂O₂ concentration, reaction temperature, and Fe/R addition, but decreased with increasing initial RB5 concentration, pH, and amount of hydroxyl radical scavenger. The total organic carbon (TOC) removal of RB5 was only 48.6%, and more H₂O₂ was required for TOC further removal.

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Acknowledgment

This study was supported by the Anhui Science and Technology University Talents Introduction Foundation (Grant No. ZRC2012328).

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Resin-supported Fe(III) as an efficient heterogeneous Fenton catalyst for degradation of Reactive Black 5

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Resin-supported Fe(III) as an efficient heterogeneous Fenton catalyst for degradation of Reactive Black 5

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