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The application of the perfluorinated bonded alumina phase for natural organic matter catalytic ozonation

Kasprzyk-Hordern, Barbara, Dabrowska, A., Swietlik, J. and Nawrocki, J. (2004) The application of the perfluorinated bonded alumina phase for natural organic matter catalytic ozonation. Journal of Environmental Engineering and Science, 3 (1). pp. 41-50. ISSN 1496-2551

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Abstract

An investigation into the efficiency of natural organic matter ozonation in the presence of alumina modified with perfluorooctanoic acid (PFOA) was the goal of this paper. UV254-absorbance analysis indicated that the PFOA/O3 system increases the efficiency of colour removal from treated water when compared with ozonation alone and ozonation in the presence of alumina. The total organic carbon (TOC) analysis proved that the PFOA/O3 system is also responsible for natural organic matter (NOM) degradation in water due to two significant processes that take place during the ozonation step: adsorption and reaction with ozone. Both an increase of carbonyl compounds formation and changes in molecular size distribution of NOM treated with ozone in the presence of PFOA were found to be another evidence for catalytic activity of the PFOA/O3 system.

Item Type: Article
Subjects: Q Science > Q Science (General)
G Geography. Anthropology. Recreation > GE Environmental Sciences
Schools: School of Applied Sciences
School of Applied Sciences > Materials and Catalysis Research Centre
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Depositing User: Cherry Edmunds
Date Deposited: 20 Oct 2008 12:37
Last Modified: 11 Feb 2009 14:19
URI: http://eprints.hud.ac.uk/id/eprint/2294

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