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Degradation of bisphenol A in water by Fe(III)/UVA and Fe(III)/polycarboxylate/UVA photocatalysis.
Water Sci Technol. 2010; 61(11):2717-22.WS

Abstract

The photodegradation of the endocrine disrupting chemical Bisphenol A (BPA) under UVA irradiation in the presence of Fe(III) or Fe(III)-polycarboxylate systems was studied. The effect of Fe(III) concentration, aqueous pH and the presence of four carboxylic acids (oxalic, malic, tartaric and citric) were investigated. The Fe(III)/UVA system was able to effectively degrade BPA at pH 3 but failed at pH > 4. At any rate, no mineralization of BPA was achieved with the Fe(III)/UVA system. The presence of carboxylic acids greatly enhanced the BPA degradation rate because of the formation of photoactive Fe(III)-polycarboxylate complexes. Aqueous pH in the 3-7 range exerted a negative effect on the BPA degradation rate and TOC conversion in the presence of oxalic, malic and tartaric acids. Only slight effect of pH was observed in the presence of citric acid, being the BPA degradation rate significant even at pH 7.

Authors+Show Affiliations

Departamento de Ingeniería Química y Química Física, Universidad de Extremadura, Avda Elvas S/N, 06071 Badajoz, Spain. pmalvare@unex.esNo 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

20489243

Citation

Alvarez, P M., et al. "Degradation of Bisphenol a in Water By Fe(III)/UVA and Fe(III)/polycarboxylate/UVA Photocatalysis." Water Science and Technology : a Journal of the International Association On Water Pollution Research, vol. 61, no. 11, 2010, pp. 2717-22.
Alvarez PM, Rodríguez EM, Fernández G, et al. Degradation of bisphenol A in water by Fe(III)/UVA and Fe(III)/polycarboxylate/UVA photocatalysis. Water Sci Technol. 2010;61(11):2717-22.
Alvarez, P. M., Rodríguez, E. M., Fernández, G., & Beltrán, F. J. (2010). Degradation of bisphenol A in water by Fe(III)/UVA and Fe(III)/polycarboxylate/UVA photocatalysis. Water Science and Technology : a Journal of the International Association On Water Pollution Research, 61(11), 2717-22. https://doi.org/10.2166/wst.2010.254
Alvarez PM, et al. Degradation of Bisphenol a in Water By Fe(III)/UVA and Fe(III)/polycarboxylate/UVA Photocatalysis. Water Sci Technol. 2010;61(11):2717-22. PubMed PMID: 20489243.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Degradation of bisphenol A in water by Fe(III)/UVA and Fe(III)/polycarboxylate/UVA photocatalysis. AU - Alvarez,P M, AU - Rodríguez,E M, AU - Fernández,G, AU - Beltrán,F J, PY - 2010/5/22/entrez PY - 2010/5/22/pubmed PY - 2010/8/13/medline SP - 2717 EP - 22 JF - Water science and technology : a journal of the International Association on Water Pollution Research JO - Water Sci Technol VL - 61 IS - 11 N2 - The photodegradation of the endocrine disrupting chemical Bisphenol A (BPA) under UVA irradiation in the presence of Fe(III) or Fe(III)-polycarboxylate systems was studied. The effect of Fe(III) concentration, aqueous pH and the presence of four carboxylic acids (oxalic, malic, tartaric and citric) were investigated. The Fe(III)/UVA system was able to effectively degrade BPA at pH 3 but failed at pH > 4. At any rate, no mineralization of BPA was achieved with the Fe(III)/UVA system. The presence of carboxylic acids greatly enhanced the BPA degradation rate because of the formation of photoactive Fe(III)-polycarboxylate complexes. Aqueous pH in the 3-7 range exerted a negative effect on the BPA degradation rate and TOC conversion in the presence of oxalic, malic and tartaric acids. Only slight effect of pH was observed in the presence of citric acid, being the BPA degradation rate significant even at pH 7. SN - 0273-1223 UR - https://www.unboundmedicine.com/medline/citation/20489243/Degradation_of_bisphenol_A_in_water_by_Fe_III_/UVA_and_Fe_III_/polycarboxylate/UVA_photocatalysis_ L2 - https://iwaponline.com/wst/article-lookup/doi/10.2166/wst.2010.254 DB - PRIME DP - Unbound Medicine ER -