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Optimization of the Photo-Fenton Process for Removal of Chemical Oxygen Demand from Sanitary Landfill Leachate by Response Surface Methodology

Heng, G. C. and Elmolla, E. S. and Chaudhuri, M. (2010) Optimization of the Photo-Fenton Process for Removal of Chemical Oxygen Demand from Sanitary Landfill Leachate by Response Surface Methodology. In: International Conference on Sustainable Building and Infrastructure (ICSBI 2010), 15-17 June 2010, Kuala Lumpur Convention Centre.

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Abstract

Satisfactory prediction equation was derived using central composite design (CCD) and response surface methodology (RSM) to optimize the photo-Fenton process for removal of chemical oxygen demand (COD) from a sanitary landfill leachate. The optimum conditions for maximum value of the response were attributed to H2O2/COD ratio, H2O2/Fe2+ ratio and reaction time in the design space. The optimum points were at about H2O2/COD ratio 3.75, H2O2/Fe2+ ratio 10.0 and 1.5 h reaction time for 70% COD removal. This study reveals that RSM is an effective tool to optimize treatment process and photo-Fenton appeared to be an effective pretreatment for landfill leachate.

Item Type:Conference or Workshop Item (Paper)
Subjects:T Technology > TD Environmental technology. Sanitary engineering
Departments / MOR / COE:Departments > Civil Engineering
ID Code:2321
Deposited By: Prof Malay Chaudhuri
Deposited On:24 Jun 2010 02:46
Last Modified:19 Jan 2017 08:24

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