Technical and economic feasibility of polyester dyeing wastewater treatment by coagulation/flocculation and Fenton's oxidation.
作者： Carmen S.D. Rodrigues , Rui A.R. Boaventura , Luis M. Madeira
DOI: 10.1080/09593330.2013.866983
关键词:
摘要: This study aims to investigate the efficiency of individual and integrated processes applied organic matter abatement biodegradability improvement a polyester dyeing wastewater, namely coagulation/flocculation combined with Fenton's reagent (Approach 1), Fenton oxidation alone 2) its integration 3). The effects Fe2+ dose, initial concentration oxidant (H2O2) temperature during were evaluated in Approaches 1 2, whereas Approach 3 influence pH flocculant dose was also assessed, stage. Toxicity final effluent evaluated. After oxidation, slight increase specific oxygen uptake rate observed (from 27.0 up 28.5–30.0 mg O2/(gVSS h)) inhibition Vibrio fischeri eliminated. An that complies discharge standards obtained all cases; however, revealed be...
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