2014•Advanced materials researchOpen access

Study on the Advanced Treatment of Printing and Dyeing Wastewater by Fenton Oxidation

Xiu Wen Wu, Ping Ma, Hui Xia Lan, Heng Zhang, Shan Hong Lan

Abstract

The influence of H2O2、addition of Fe2+、pH、reaction time and temperature to advanced treatment effect of printing and dyeing wastewater with Fenton oxidation was studied. The results showed that when the addition of H2O2(the concentration was 30%) was 3mL/L,the addition of FeSO4·7H2O was 1.6g/L,pH was 4,the temperature was about 30°C,reacting time was 35min,the COD removal efficiency achieved above 55%,COD of effluent was below 45mg/L.

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Key concepts: Dyeing, Effluent, Wastewater, Chemistry, Nuclear chemistry, Pulp and paper industry, Chemical engineering, Materials science