期刊
BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING
卷 25, 期 3, 页码 453-459出版社
BRAZILIAN SOC CHEMICAL ENG
DOI: 10.1590/S0104-66322008000300003
关键词
biodegradation; dyes; ozonation; pollutant; AOPs
In this paper, a comparative study of the treatment of raw and biotreated (upflow anaerobic sludge blanket, UASB) textile dye bath effluent Using advanced oxidation processes (AOPs) is presented. The AOPs applied on raw and biotreated textile dye bath effluent, after characterization in terms of COD, colour, BOD and pH, were ozone, UV, UV/H2O2, and photo-Fenton. The decolorization of raw dye bath effluent was 58% in the case of ozonation. However it was 98% in the case of biotreated dye bath effluent Mien exposed to UV/H2O2. It is, therefore, suggested that a combination of biotreatment and AOPs be adopted to decolorize dye bath effluent in order to make the process more viable and effective. Biodegradability was also improved by applying AOPs after biotreatment of dye bath effluent.
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