Oil refinery wastewater treatment using physicochemical, Fenton and Photo-Fenton oxidation processes

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Title: Oil refinery wastewater treatment using physicochemical, Fenton and Photo-Fenton oxidation processes
Authors: Tony, Maha A.
Purcell, Patrick J.
Zhao, Y.Q.
Permanent link: http://hdl.handle.net/10197/3990
Date: 9-Feb-2012
Abstract: The objective of this study was to investigate the application of advanced oxidation processes (AOPs) to the treatment of wastewaters contaminated with hydrocarbon oil. Three different oil-contaminated wastewaters were examined and compared: (i) a ‘real’ hydrocarbon wastewater collected from an oil refinery (Conoco-Phillips Whitegate refinery, County Cork, Ireland); (ii) a ‘real’ hydrocarbon wastewater collected from a car-wash facility located at a petroleum filling station; and (iii) a ‘synthetic’ hydrocarbon wastewater generated by emulsifying diesel oil and water. The AOPs investigated were Fe2+/H2O2 (Fenton's reagent), Fe2+/H2O2/UV (Photo-Fenton's reagent) which may be used as an alternative to, or in conjunction with, conventional treatment techniques. Laboratory-scale batch and continuous-flow experiments were undertaken. The photo-Fenton parametric concentrations to maximize COD removal were optimized: pH = 3, H2O2 = 400 mg/L, and Fe2+ = 40 mg/L. In the case of the oil-refinery wastewater, photo-Fenton treatment achieved approximately 50% COD removal and, when preceded by physicochemical treatment, the percentage removal increased to approximately 75%.
Type of material: Journal Article
Publisher: Taylor & Francis
Copyright (published version): 2012, Taylor & Francis Group, LLC
Keywords: Oil refinery wastewaterChemical oxygen demand (COD)Hydrocarbons degradationPhotocatalysisFenton's reagent
DOI: 10.1080/10934529.2012.646136
Language: en
Status of Item: Peer reviewed
Appears in Collections:Centre for Water Resources Research Collection
Civil Engineering Research Collection

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