The Chinese government passed the Indoor Air Quality Management Law in 1999, in which the concentration of formaldehyde was set at 0.08 ppm. If the concentration of formaldehyde in the room is too high, it will affect health and even cause cancer. At present, most commercially available air purifiers use activated carbon to physically adsorb formaldehyde, but according to past studies, it has been shown that activated carbon is not effective in adsorbing formaldehyde. In order to effectively improve the removal of indoor formaldehyde pollutants, this study chose the principle of catalytic oxidation plus adsorption To conduct research, use activated alumina with platinum metal to carry out column adsorption experiments to understand its adsorption situation.
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