An activated carbon air purifier that can detect harmful gases
An air purifier and harmful gas technology, which is applied in the field of activated carbon air purifiers, can solve problems such as difficult air purification, achieve the effects of increasing flow rate, improving purification efficiency, and broad market prospects
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[0034] Use the nano-polyaniline-activated carbon of the present invention as the gas sensor of the gas-sensitive material coating to test a variety of common indoor pollutant gases, and detect the detection limit concentration and detection reaction time of the gas sensor to different gases. The target gases are formaldehyde, toluene, xylene and nitrobenzene, each target gas is tested 3 times, and the average value of the 3 times is calculated. The experimental results are shown in Table 1;
[0035] Table 1
[0036] Limit concentration (ppm) response time (ms) formaldehyde 0.129 607 toluene 0.057 324 Xylene 0.061 298 Nitrobenzene 0.059 326
[0037] Comprehensive above-mentioned experimental example, its experimental result shows, the detection area of nano polyaniline-activated carbon sensor of the present invention is bigger, can detect multiple common indoor polluting gases, the concentration of detection limit is at a better ...
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