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Treatment of Simulative Azo Dyes Wastewater by Fenton Reagent Technique

Yu Bing

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Abstract

The simulative azo dyes wastewater was treated by Fenton reagent technique.The effect of pH value,the dosage of H2O2 and Fe2+,reaction temperature and time on the removal efficiency of COD of dyes wastewater were discussed.The results showed that,the removal rate of COD of this dye wastewater could reach 83.5% when the initial concentration of methyl red was 200mg · L-1,the pH value was 3.0,reaction temperature was 50℃,the dosage of H2O2 and Fe2+ were 20mmol· L-1 and 1mmol· L-1 respectively and reaction time was 60min.

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The simulative azo dyes wastewater was treated by Fenton reagent technique.The effect of pH value,the dosage of H2O2 and Fe2+,reaction temperature and time on the removal efficiency of COD of dyes wastewater were discussed.The results showed that,the removal rate of COD of this dye wastewater could reach 83.5% when the initial concentration of methyl red was 200mg · L-1,the pH value was 3.0,reaction temperature was 50℃,the dosage of H2O2 and Fe2+ were 20mmol· L-1 and 1mmol· L-1 respectively and reaction time was 60min.

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Available abstract

The simulative azo dyes wastewater was treated by Fenton reagent technique.The effect of pH value,the dosage of H2O2 and Fe2+,reaction temperature and time on the removal efficiency of COD of dyes wastewater were discussed.The results showed that,the removal rate of COD of this dye wastewater could reach 83.5% when the initial concentration of methyl red was 200mg · L-1,the pH value was 3.0,reaction temperature was 50℃,the dosage of H2O2 and Fe2+ were 20mmol· L-1 and 1mmol· L-1 respectively and reaction time was 60min.

Key concepts: Wastewater, Reagent, Chemistry, Nuclear chemistry, Pulp and paper industry, Chromatography, Organic chemistry, Environmental engineering

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