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Title: Removal of organic compound from pharmaceutical wastewater using advanced oxidation processes
Authors: Chelliapan, S.
Sallis, P.J.
Keywords: Advanced oxidation processes (AOPs);Pharmaceutical wastewater;Ozonation;Hydrogen peroxide;Ultraviolet;Fenton reagent
Issue Date: Apr-2013
Publisher: NISCAIR-CSIR, India
Abstract: Further polishing of effluent (pharmaceutical wastewater) from an aerobic reactor using different types of advanced oxidation processes (AOPs) were presented and discussed. Four types of processes were evaluated, i.e. ozonation (O3), hydrogen peroxide (H2O2), ultraviolet (UV) and Fenton reagent, and a combination of these AOPs (O3/UV, H2O2/UV, O3/H2O2 and O3/H2O2/UV) for organic compound (as chemical oxygen demand, COD) removal have also been studied. The additional treatment of the activated sludge reactor effluent contributed substantially to overall COD removal of the pharmaceutical wastewater. Among the AOPs used in this study, O3/H2O2/UV alternative resulted in the highest COD removal (59%) from the activated sludge effluent. In specific, around 450 mg.L-1 of COD had been removed in the O3/H2O2/UV process giving a final COD of 300 mg.L-1 in the treated effluent. Other processes (Fenton, O3, O3/UV, O3/H2O2 and H2O2/UV) showed nearly constant maximum removal of 38 – 43%.
Page(s): 248-254
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.72(04) [April 2013]

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