Abstract
AbstractIn view of their toxicity, the presence of endocrine disrupters such as phthalates in surface waters requires the setup of new wastewater treatment processes. Previous studies demonstrated the efficiency of ozone (O3)/activated carbon (AC) coupling in removing micropollutants such as phthalates in batch conditions. The aim of the present work was to study the removal of diethylphthalate (DEP) from water by O3/AC coupling in continuous flow on a pilot scale. Comparison of the results obtained with O3/AC coupling (both DEP removal and ozone mass transfer) to those of conventional methods shows its great potential and the influence of experimental conditions such as pH and ozone gas concentration. The process reached a steady state with a high pollutant removal and an efficient ozone mass transfer. Moreover, it extends the AC lifetime by ensuring the in situ renewal of the adsorbent. By estimating the microporous volume occupied by the adsorbent material at different times during the treatment, it is...
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