Degradation of Direct Red 81 mediated by Fenton reactions: multivariate optimization, effect of chloride and sulfate, and acute ecotoxicity assessment

The role of different operational parameters related to Fenton reactions (pH, concentration of Fe 2+ and H 2 O 2 , and reaction time) and of Cl − and SO 4 − was investigated in the degradation of the azo dye Direct Red 81, expressed in terms of its decolorization. The factorial design and Pareto’s...

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Veröffentlicht in:	Environmental science and pollution research international 2017-03, Vol.24 (7), p.6176-6186
Hauptverfasser:	Marson, Eduardo O., de Paiva, Vinícius A. B., Gonçalves, Bárbara R., Gomes Júnior, Oswaldo, Borges Neto, Waldomiro, Machado, Antonio E. H., Trovó, Alam G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aliivibrio fischeri - drug effects AOPs: Recent Advances to Overcome Barriers in the Treatment of Water Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Azo Compounds - chemistry Azo Compounds - toxicity Azo dyes Biodegradation Chloride Chlorides - chemistry Degradation products Dyes Earth and Environmental Science Ecotoxicology Effluents Environment Environmental Chemistry Environmental Health Environmental Pollutants - chemistry Environmental Pollutants - toxicity Environmental science Experiments Hydrogen Peroxide - chemistry Hydrogen-Ion Concentration Iron - chemistry Liquid chromatography Mineralization Multivariate Analysis Optimization Oxidation Oxidation-Reduction Studies Sulfates Sulfates - chemistry Surfactants Vibrio fischeri Waste Water Technology Wastewater and Air Water Management Water Pollution Control Water treatment
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