Reduction of dioxin-like toxicity in effluents by additional wastewater treatment and related effects in fish

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Authors

MAIER Diana BENÍŠEK Martin BLÁHA Luděk DONDERO Francesco GIESY John P. KOHLER Heinz-R. RICHTER Doreen SCHEURER Marco TRIEBSKORN Rita

Year of publication 2016
Type Article in Periodical
Magazine / Source Ecotoxicology and Environmental Safety
MU Faculty or unit

Faculty of Science

Citation
Web http://www.sciencedirect.com/science/article/pii/S0147651316301518
Doi http://dx.doi.org/10.1016/j.ecoenv.2016.04.036
Field Environment influence on health
Keywords Reporter gene assay; EROD; Activated carbon; Ozonation; Sewage
Description Efficiency of advanced wastewater treatment technologies to reduce micropollutants which mediate dioxin-like toxicity was investigated. Technologies compared included ozonation, powdered activated carbon and granular activated carbon. In addition to chemical analyses in samples of effluents, surface waters, sediments, and fish, (1) dioxin-like potentials were measured in paired samples of effluents, surface waters, and sediments by use of an in vitro biotest (reporter gene assay) and (2) dioxin-like effects were investigated in exposed fish by use of in vivo activity of the mixed-function, monooxygenase enzyme, ethoxyresorufin O-deethylase (EROD) in liver. All advanced technologies studied, based on degradation or adsorption, significantly reduced dioxin-like potentials in samples and resulted in lesser EROD activity in livers of fish. Results of in vitro and in vivo biological responses were not clearly related to quantification of targeted analytes by use of instrumental analyses.
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