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dc.contributor.authorTetteh, Emmanuel Kweinoren_US
dc.contributor.authorNaidoo, Bisetty Dushenen_US
dc.contributor.authorRathilal, Sudeshen_US
dc.identifier.citationTetteh, E.K., Naidoo, B.D., Rathilal, S. 2019. Optimization of photo-catalytic degradation of oil refinery wastewater using Box-Behnken design. Environmental Engineering Research : Environmental Engineering Research 2019. 24(4): 711-717. doi:10.4491/eer.2018.216en_US
dc.identifier.issn2005-968X (Online)-
dc.description.abstractThe application of advanced oxidation for the treatment of oil refinery wastewater under UV radiation by using nanoparticles of titanium dioxide was investigated. Synthetic wastewater prepared from phenol crystals; Power Glide SAE40 motor vehicle oil and water was used. Response surface methodology (RSM) based on the Box-Behnken Design was employed to design the experimental runs, optimize and study the interaction effects of the operating parameters including catalyst concentration, run time and airflow rate to maximize the degradation of oil (SOG) and phenol. The analysis of variance and the response models developed were used to evaluate the data obtained at a 95% confidence level. The use of the RSM demonstrated the graphical relationship that exists between individual factors and their interactive effects on the response, as compared to the one factor at time approach. The obtained optimum conditions of photocatalytic degradation are the catalyst concentration of 2 g/L, the run time of 30 min and the airflow rate of 1.04 L/min. Under the optimum conditions, a 68% desirability performance was obtained, representing 81% and 66% of SOG and phenol degradability, respectively. Thus, the hydrocarbon oils were readily degradable, while the phenols were more resistant to photocatalytic degradation.en_US
dc.format.extent7 p.en_US
dc.publisherKorean Society of Environmental Engineersen_US
dc.relation.ispartofEnvironmental Engineering Research Vol. 24, Issue 4en_US
dc.subjectBox-Behnken Designen_US
dc.subjectOil refineryen_US
dc.subjectPhotocatalytic degradationen_US
dc.subjectResponse surfaceen_US
dc.titleOptimization of photo-catalytic degradation of oil refinery wastewater using Box-Behnken designen_US
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