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A comparative study on the empirical modeling of photo-Fenton treatment process performance

Paper ID Volume ID Publish Year Pages File Format Full-Text
47924 46485 2008 11 PDF Available
Title
A comparative study on the empirical modeling of photo-Fenton treatment process performance
Abstract

This paper investigates the Fenton photo-assisted degradation of 4-chlorophenol (4-CP). The experimental work was planned according to the Design of Experiments (DOE) scheme, and degradation performance was measured in terms of TOC reduction at different reaction times. Appropriate reagent ratios have been obtained for effective 4-CP degradation.The modeling of the process performance as a function of the reaction conditions was then studied by fitting different models to the degradation data. The models are compared and discussed according to the degree of correlation they provide. The widely used second order polynomial equation (including bilinear terms) is questioned and alternative models are proposed (potential model, Hoerl equation) for a better empirical representation of the performance of the degradation process.The disparate estimations given by the different models studied suggest that further research is required in model selection in order to obtain reliable characterization of Fenton, Fenton-like and photo-Fenton treatment performance.

Keywords
Modeling; Experimental design; Photo-Fenton; 4-Chlorophenol
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A comparative study on the empirical modeling of photo-Fenton treatment process performance
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 84, Issues 1–2, 25 October 2008, Pages 313–323
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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