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Treatment of Printing and Dyeing Wastewater by Fenton Oxidation Technology

LV Yan-fe

Open publisher page 1 citations

Abstract

The degradation experiment of azo dye acid red B wastewater by Fenton reagent was performed. The effects of reaction conditions such as the dosage of H2O2 and Fe2+, initial pH, initial azo dyestuff concentration, reaction temperature, reaction time, the ways of adding H2O2 and Fe2+ were studied in term of chemical oxygen demand (COD) removal efficiencies. Under the condition of adding H2O2 (0.03 moL/L), c[H2O2] : c[Fe2+]≈ 20: 1, 50 ℃, pH = 3.0, the removal efficiency of COD can be achieved to more than 62.32 % after 60 min.

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What this paper is about

The degradation experiment of azo dye acid red B wastewater by Fenton reagent was performed. The effects of reaction conditions such as the dosage of H2O2 and Fe2+, initial pH, initial azo dyestuff concentration, reaction temperature, reaction time, the ways of adding H2O2 and Fe2+ were studied in term of chemical oxygen demand (COD) removal efficiencies. Under the condition of adding H2O2 (0.03 moL/L), c[H2O2] : c[Fe2+]≈ 20: 1, 50 ℃, pH = 3.0, the removal efficiency of COD can be achieved to more than 62.32 % after 60 min.

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Available abstract

The degradation experiment of azo dye acid red B wastewater by Fenton reagent was performed. The effects of reaction conditions such as the dosage of H2O2 and Fe2+, initial pH, initial azo dyestuff concentration, reaction temperature, reaction time, the ways of adding H2O2 and Fe2+ were studied in term of chemical oxygen demand (COD) removal efficiencies. Under the condition of adding H2O2 (0.03 moL/L), c[H2O2] : c[Fe2+]≈ 20: 1, 50 ℃, pH = 3.0, the removal efficiency of COD can be achieved to more than 62.32 % after 60 min.

Key concepts: Chemical oxygen demand, Chemistry, Wastewater, Reagent, Degradation (telecommunications), Dyeing, Acid dye, Fenton's reagent

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