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Removal of organic compound from pharmaceutical wastewater using advanced oxidation processes

Lookup NU author(s): Shreeshivadasan Chelliapan, Dr Paul Sallis

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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 (O-3), hydrogen peroxide (H2O2), ultraviolet (UV) and Fenton reagent, and a combination of these AOPs (O-3/UV, H2O2/UV, O-3/H2O2 and O-3/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, O-3/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 O-3/H2O2/UV process giving a final COD of 300 mg.L-1 in the treated effluent. Other processes (Fenton, O-3, O-3/UV, O-3/H2O2 and H2O2/UV) showed nearly constant maximum removal of 38 - 43%.

Publication metadata

Author(s): Chelliapan S, Sallis PJ

Publication type: Article

Publication status: Published

Journal: Journal of Scientific and Industrial Research

Year: 2013

Volume: 72

Issue: 4

Pages: 248-254

Print publication date: 01/04/2013

ISSN (print): 0022-4456

ISSN (electronic): 0975-1084

Publisher: National Institute of Science Communication and Information Resources

URL: http://nopr.niscair.res.in/handle/123456789/16874

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