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Research on Treating Dye Wastewater by Fenton Reagent

Kong De-qian

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Abstract

In order to research the degradation efficiency of Fenton method on some non-biodegradable organic pollutant and the factors that affect the degradation process, the effects of pH,dosages of H2O2 and FeSO4,reaction time,temperature on decolouration efficiency and COD removal efficiency of the dyes wastewater simulated by methyl orange solution were studied. The results showed that Fenton reagent could remove the color and COD of this dye wastewater effectively with color and COD removals of 99.66 % and 88% respectively when the concentration of dye was 200 mg/L, pH=4,temperature was 20℃,the dosages of H2O2 and FeSO·47H2O were 0.6 mL/L and 200mg/L,and reaction time was 60min .

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What this paper is about

In order to research the degradation efficiency of Fenton method on some non-biodegradable organic pollutant and the factors that affect the degradation process, the effects of pH,dosages of H2O2 and FeSO4,reaction time,temperature on decolouration efficiency and COD removal efficiency of the dyes wastewater simulated by methyl orange solution were studied. The results showed that Fenton reagent could remove the color and COD of this dye wastewater effectively with color and COD removals of 99.66 % and 88% respectively when the concentration of dye was 200 mg/L, pH=4,temperature was 20℃,the dosages of H2O2 and FeSO·47H2O were 0.6 mL/L and 200mg/L,and reaction time was 60min .

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Available abstract

In order to research the degradation efficiency of Fenton method on some non-biodegradable organic pollutant and the factors that affect the degradation process, the effects of pH,dosages of H2O2 and FeSO4,reaction time,temperature on decolouration efficiency and COD removal efficiency of the dyes wastewater simulated by methyl orange solution were studied. The results showed that Fenton reagent could remove the color and COD of this dye wastewater effectively with color and COD removals of 99.66 % and 88% respectively when the concentration of dye was 200 mg/L, pH=4,temperature was 20℃,the dosages of H2O2 and FeSO·47H2O were 0.6 mL/L and 200mg/L,and reaction time was 60min .

Key concepts: Wastewater, Reagent, Chemistry, Degradation (telecommunications), Methyl orange, Pollutant, Pulp and paper industry, Orange (colour)

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