Journal
WATER RESEARCH
Volume 39, Issue 6, Pages 1147-1153Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2004.12.021
Keywords
textile finishing effluent; acute toxicity; colour and COD removal; Fenton's oxidation process; ozonation; coagulation and flocculation; Daphnia magna
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This study evaluates the effectiveness of Fenton's oxidation (FO) process and ozone (O-3) oxidation compared with a coagulation-flocculation (CF) process to remove effluent toxicity as well as colour and COD from a textile industry wastewater. Daphnia magna was used to test acute toxicity in raw and pre-treated wastewater. The operational parameters for each process were determined on the basis of complete toxicity removal. The FO process removed COD at a higher rate (59%) than O-3 (33%) while colour removal was similar (89% and 91%, respectively). The CF process removed both COD and colour at rates similar to the FO process. A colour range of 150-250 platin-cobalt (Pt-Co) unit was assessed for toxicity. (c) 2005 Elsevier Ltd. All rights reserved.
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