Treatment of Printing and Dyeing Wastewater by the Iron Scurf and Flue Dust Internal Electrolysis Method

Jin Xia Yan; Dong Fang Li; Shao Feng Dong

doi:10.4028/www.scientific.net/AMR.415-417.438

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 415-417Treatment of Printing and Dyeing Wastewater by the...

Treatment of Printing and Dyeing Wastewater by the Iron Scurf and Flue Dust Internal Electrolysis Method

Abstract:

The printing and dyeing wastewater was treated by internal electrolysis method. The results show the chromaticity removal rate was up to 98.53 percent and COD removal rate 85.98 percent under the optimum conditions of wastewater pH 4, reaction time 30 minutes, the electric conductivity 1450μm/cm, the value BOD5/COD increases from 0.34 to 0.51. Moreover, the pH, Fe2+ concentration and absorbance of wastewater changed in the process, the mechanism of that was also analyzed.