Optimization of Photo-Fenton Treatment of Mature Landfill Leachate

Heng, G. C. and Elmolla, E. S. and Chaudhuri, M. (2012) Optimization of Photo-Fenton Treatment of Mature Landfill Leachate. Nature Environment and Pollution Technology, 11 (1). pp. 65-72. ISSN 0972-6268

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Abstract

Photo-Fenton treatment of amature landfill leachatewas optimized by using the response surfacemethodology
(RSM). The optimum operating variables to achieve 70%removal of COD, 80%removal of colour and 80%
removal of NH3-N were: H2O2/CODmolar ratio 3.75, H2O2/Fe2+ molar ratio 10.5 and irradiation time 1.5 h.
There was good agreement (< 2%error) between experimental removal efficiency andmodel prediction.
The characteristics of the photo-Fenton treated leachate were: NH3-N 112 mg/L, colour 108 Pt-Co Unit,
COD350mg/L, BOD5 116mg/L andBOD5/CODratio 0.33, indicating that the treated leachatewas amenable
to biological treatment. The study has revealed thatRSMis an effective tool to optimize the treatment process
and photo-Fenton is an effective pretreatment ofmature landfill leachate for biological treatment.

Item Type:	Article
Subjects:	T Technology > TD Environmental technology. Sanitary engineering
Departments / MOR / COE:	Departments > Civil Engineering
Depositing User:	Prof Malay Chaudhuri
Date Deposited:	23 Apr 2012 04:14
Last Modified:	19 Jan 2017 08:21
URI:	http://scholars.utp.edu.my/id/eprint/7630

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