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

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.
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https://hal.archives-ouvertes.fr/hal-01998087
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Wael Aboussaoud, Marie-Hélène Manero, Jean-Stéphane Pic, Hubert Debellefontaine. Combined Ozonation Using Alumino-Silica Materials for the Removal of 2,4-Dimethylphenol from Water. Ozone: Science and Engineering, Taylor & Francis, 2014, 36 (3), pp.221-228. ⟨10.1080/01919512.2014.883273⟩. ⟨hal-01998087⟩

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