Removal of ozone by activated carbons modified by oxidation treatments
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Granular Activated Carbon and Activated Carbon Fiber Cloth were oxidized by nitric acid treatment or by bleaching treatment (NaOCl). The raw and oxidized materials were exposed to an ozone flow (concentration of 10 ppmv in air with controlled 50% relative humidity) until saturation. The breakthrough curves and removal efficiencies were determined and discussed in relation with the materials characteristics (surface chemistry and texture) prior and after their exposure to ozone.
KeywordsActivate Carbon European Physical Journal Special Topic Breakthrough Curve Bleaching Treatment Oxygenate Surface Group
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