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The wastewater containing alcohol ethoxylates (AEs) from the processing of Orimulsion was treated by ozonation with the presence of activated carbon (AC) in a laboratory-scale reactor. Effect of some operating parameters, such as the AC amount, initial pH, and the ozonized-air flowrate, on the COD removal were investigated. The results show that the application of catalytic ozonation of AC can significantly...
Experiments of Fenton oxidation, carbon adsorption, and Fenton oxidation plus carbon adsorption were conducted to develop a cost effective advanced treatment process for treating a biotreated coking plant effluent. Fenton oxidation (Fe2+ = 56 mg/L and H2O2 = 27.2 mg/L) was effective for removing >50% organic pollutants, measured as UV254 (aromatic organics), ViS380 (color ingredients) and COD and...
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