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Ozone: Science & Engineering
The Journal of the International Ozone Association
Volume 36, 2014 - Issue 3
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Original Articles

Combined Ozonation Using Alumino-Silica Materials for the Removal of 2,4-Dimethylphenol from Water

, , &
Pages 221-228 | Received 17 Oct 2013, Accepted 10 Jan 2014, Published online: 02 Jun 2014
 

Abstract

This study deals with an advanced oxidation process combining adsorption and ozonation for treating petrochemical effluents. The compound 2,4-dimethylphenol (DMP) was the paradigm molecule and faujasite-Y, mordenite, ZSM-5 and γ-alumina were tested. Single ozonation showed rapid DMP degradation but limited by gas to liquid ozone transfer. No catalytic effect occurred during ozonation combined with any of the adsorbents: DMP removal was not accelerated. However, a good synergistic effect was observed for TOC removal with γ-alumina, yet the various zeolites are less efficient. Some specific oxidation by-products produced during ozonation are eliminated by adsorption in the presence of γ-alumina, although they persist in the other cases.

FUNDING

The authors thank the French National Agency for Research (ANR) for financial funding through the grant ANR-10-ECOT-0011.

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