Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11200
Title: A disappearance model for the prediction of trichlorophenol ozonation
Authors: Chu, W 
Wong, CC
Keywords: Modeling
Ozone
pH
Radical
TCP
Issue Date: 2003
Publisher: Pergamon Press
Source: Chemosphere, 2003, v. 51, no. 4, p. 289-294 How to cite?
Journal: Chemosphere 
Abstract: The disappearance and modeling of the ozonation of 2,4,6-trichlorophenol (TCP) was studied under different initial TCP concentrations and initial pH levels. The ozonation of TCP was found to follow a pseudo-first-order reaction. The degradation rates increased with the initial pH, and decreased with initial TCP concentration. 2,6-Dichlorohydroquinone was identified as the major intermediate, indicating that dechlorination and hydroxylation co-occurred during TCP ozonation. A model was proposed to quantitatively predict the pseudo-first-order rate constants under different initial TCP concentration and different initial pH levels. The proposed model can successfully describe the reaction; therefore another practical equation was proposed to predict the TCP removal rate at any detention time, which has high potential for practical applications and reactor design.
URI: http://hdl.handle.net/10397/11200
ISSN: 0045-6535
EISSN: 1879-1298
DOI: 10.1016/S0045-6535(02)00318-1
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