Activated carbon is the most known material for adsorbing ozone. However, initiating carbonization by ozone is often used to produce activated carbon, which requires advanced technology. capabilities and professional equipment. Granular activated carbon and activated carbon fiber cloth are oxidized through nitric acid treatment or bleaching treatment (NaOCl), and the original and oxidized materials are exposed in ozone stream until saturated. When comparing original activated carbon, nitric acid modified activated carbon, and ACFC, ACFC has the highest adsorption capacity, while original activated carbon has the highest adsorption capacity. Oxidation of carbon can lead to higher degradation capacity. The ozone removal performance of carbon nanotube/quartz fiber film is 1.6 times better than that of traditional activated carbon. Under certain conditions, peak ozone concentrations were reduced by 38% to 56% when the test chamber had activated carbon. Under the same conditions, when coffee powder (new When fresh or residue), the peak ozone concentration will be reduced by 25% to 43%.
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