Degradation of fifteen emerging contaminants at μgL−1 initial concentrations by mild solar photo-Fenton in MWTP effluents

Klamerth, N. and Rizzo, L. and Malato, S. and Maldonado, M.I. and Agüera, A. and Fernández-Alba, A.R. (2010) Degradation of fifteen emerging contaminants at μgL−1 initial concentrations by mild solar photo-Fenton in MWTP effluents. Water Research, 44 (2). pp. 545-554. ISSN 00431354

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Official URL: http://dx.doi.org/10.1016/j.watres.2009.09.059

Abstract

The degradation of 15 emerging contaminants (ECs) at low concentrations in simulated and real effluent of municipal wastewater treatment plant with photo-Fenton at unchanged pH and Fe=5 mg L(-1) in a pilot-scale solar CPC reactor was studied. The degradation of those 15 compounds (Acetaminophen, Antipyrine, Atrazine, Caffeine, Carbamazepine, Diclofenac, Flumequine, Hydroxybiphenyl, Ibuprofen, Isoproturon, Ketorolac, Ofloxacin, Progesterone, Sulfamethoxazole and Triclosan), each with an initial concentration of 100 microg L(-1), was found to depend on the presence of CO(3)(2-) and HCO(3)(-) (hydroxyl radicals scavengers) and on the type of water (simulated water, simulated effluent wastewater and real effluent wastewater), but is relatively independent of pH, the type of acid used for release of hydroxyl radicals scavengers and the initial H(2)O(2) concentration used. Toxicity tests with Vibrio fisheri showed that degradation of the compounds in real effluent wastewater led to toxicity increase.

Item Type: Article
Subjects: T Technology > TD Environmental technology. Sanitary engineering
T Technology > TP Chemical technology
Depositing User: José Ángel Gómez Martín
Date Deposited: 15 May 2013 08:52
Last Modified: 15 May 2013 08:52
URI: http://eprints.imdea-agua.org:13000/id/eprint/157

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