The Fenton Chemistry and Its Combination with Coagulation for Treatment of Dye Solutions
作者： Niina Kulik , Yekaterina Panova , Marina Trapido
DOI: 10.1080/01496390701290185
关键词: Biodegradation 、 Chemistry 、 Fenton chemistry 、 Hydrogen peroxide 、 Lime 、 Inorganic chemistry 、 No formation 、 Aqueous solution 、 Treatment method 、 Orange (colour)
摘要: Abstract Aqueous solutions of Acid Blue 74, Orange 10, and Violet 19 were subjected to Fenton/Fenton‐like oxidation its combination with lime coagulation. The analysis indicated no dependence chemical efficacy on dye concentration in the range 0.1–1 g L−1. Complete or nearly complete (higher than 95%) color removal all treated samples was observed. Dye:H2O2 weight ratio 1∶2 proved optimal for treatment by means oxidation. Moderate doses hydrogen peroxide led improvement biodegradability solutions. No formation any toxic intermediates during 10 detected. Only a slight toxicity increase observed after 74 degradation Fenton chemistry. H2O2/Fe3+ system pH adjusted 3 most effective process. chemistry subsequent coagulation feasible method removing COD an...
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