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

doi:10.4028/www.scientific.net/AMR.1010-1012.805

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1010-1012Study on the Advanced Treatment of Printing and...

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

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.