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Degradation of 4-nitrophenol in aqueous medium by electro-Fenton method.
J Hazard Mater. 2007 Jun 25; 145(1-2):227-32.JH

Abstract

The degradation of 4-nitrophenol by electro-Fenton (E-Fenton) method was carried out in batch recirculation mode. The effect of operating conditions such as electrical current, Fenton's reagent dosage, Fe(II) to H(2)O(2) molar ratio, and H(2)O(2) feeding time on the efficiency of E-Fenton process was investigated. It was found that E-Fenton method showed the synergetic effect on COD removal. The increase of Fenton's reagent dosage, Fe(II) to H(2)O(2) molar ratio, and the electrical current would lead to the increase of COD removal efficiency. Continuous addition of hydrogen peroxide was more effective than the addition of hydrogen peroxide in a single step and there existed an optimal H(2)O(2) feeding time for COD removal. The reaction system was modeled as a plug flow reactor (PFR) in series with a continuous stirred tank reactor (CSTR), and the pseudo-first order rate constant of COD removal was determined from the model based on the experimental data.

Authors+Show Affiliations

Department of Environmental Engineering, Wuhan University, P.O. Box C319, Luoyu Road 129#, Wuhan 430079, China. eeng@whu.edu.cnNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17161909

Citation

Zhang, Hui, et al. "Degradation of 4-nitrophenol in Aqueous Medium By electro-Fenton Method." Journal of Hazardous Materials, vol. 145, no. 1-2, 2007, pp. 227-32.
Zhang H, Fei C, Zhang D, et al. Degradation of 4-nitrophenol in aqueous medium by electro-Fenton method. J Hazard Mater. 2007;145(1-2):227-32.
Zhang, H., Fei, C., Zhang, D., & Tang, F. (2007). Degradation of 4-nitrophenol in aqueous medium by electro-Fenton method. Journal of Hazardous Materials, 145(1-2), 227-32.
Zhang H, et al. Degradation of 4-nitrophenol in Aqueous Medium By electro-Fenton Method. J Hazard Mater. 2007 Jun 25;145(1-2):227-32. PubMed PMID: 17161909.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Degradation of 4-nitrophenol in aqueous medium by electro-Fenton method. AU - Zhang,Hui, AU - Fei,Chengzhi, AU - Zhang,Daobin, AU - Tang,Feng, Y1 - 2006/11/16/ PY - 2006/05/26/received PY - 2006/11/09/revised PY - 2006/11/10/accepted PY - 2006/12/13/pubmed PY - 2007/10/2/medline PY - 2006/12/13/entrez SP - 227 EP - 32 JF - Journal of hazardous materials JO - J Hazard Mater VL - 145 IS - 1-2 N2 - The degradation of 4-nitrophenol by electro-Fenton (E-Fenton) method was carried out in batch recirculation mode. The effect of operating conditions such as electrical current, Fenton's reagent dosage, Fe(II) to H(2)O(2) molar ratio, and H(2)O(2) feeding time on the efficiency of E-Fenton process was investigated. It was found that E-Fenton method showed the synergetic effect on COD removal. The increase of Fenton's reagent dosage, Fe(II) to H(2)O(2) molar ratio, and the electrical current would lead to the increase of COD removal efficiency. Continuous addition of hydrogen peroxide was more effective than the addition of hydrogen peroxide in a single step and there existed an optimal H(2)O(2) feeding time for COD removal. The reaction system was modeled as a plug flow reactor (PFR) in series with a continuous stirred tank reactor (CSTR), and the pseudo-first order rate constant of COD removal was determined from the model based on the experimental data. SN - 0304-3894 UR - https://www.unboundmedicine.com/medline/citation/17161909/Degradation_of_4_nitrophenol_in_aqueous_medium_by_electro_Fenton_method_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0304-3894(06)01369-0 DB - PRIME DP - Unbound Medicine ER -