title: Effect of Fenton treatment on the aquatic toxicity of bisphenol A in different water matrices.
abstract: Battery tests serve as integral tools to decide whether a treatment process is ecotoxicologically safe or not. In the present study, a battery of toxicity tests was employed to elucidate the toxicity of the potential endocrine-disrupting pollutant bisphenol A (BPA) and its advanced oxidation products. For this purpose, BPA was subjected to Fenton treatment in the growth medium of the test organisms employed as well as in real lake water. Treatment results indicated that BPA removals were fast and complete within less than a minute, whereas total organic carbon (TOC) removals were rather incomplete, speaking for the accumulation of refractory degradation products. The presence of chloride and/or natural organic matter influenced H2O2 consumption rates and the treatment performance of the Fenton's reagent as well. The sensitivity of the selected test organisms for BPA and its Fenton treatment products in different water matrices was found in the following decreasing order: the freshwater microalgae (Pseudokirchneriella subcapitata) > the freshwater cladoceran (Daphnia magna) > marine photobacteria (Vibrio fischeri).
authors.affiliation: Environmental Engineering Department, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey, arslanid@itu.edu.tr.
authors.forename: Idil
authors.initials: I
authors.lastname: Arslan-Alaton
authors.forename: Ece
authors.initials: E
authors.lastname: Aytac
authors.forename: Kresten Ole
authors.initials: KO
authors.lastname: Kusk
mesh_terms: D048908:Aliivibrio fischeri / Q000187:drug effects; D000818:Animals; D001559:Benzhydryl Compounds / Q000737:chemistry* / Q000633:toxicity*; D000460:Chlorophyta / Q000187:drug effects; D003621:Daphnia / Q000187:drug effects; D006861:Hydrogen Peroxide; D007501:Iron; D010084:Oxidation-Reduction; D010636:Phenols / Q000737:chemistry* / Q000633:toxicity*; D018675:Toxicity Tests; D014867:Water / Q000737:chemistry*; D014874:Water Pollutants, Chemical / Q000737:chemistry*; D000098826:Bisphenol A Compounds
chemical_list: D001559:Benzhydryl Compounds; D006861:Hydrogen Peroxide; D007501:Iron; D010636:Phenols; D014867:Water; D014874:Water Pollutants, Chemical; C045076:Fenton's reagent; C006780:bisphenol A; D000098826:Bisphenol A Compounds
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