What is activated carbon and how does it remove gasses and odors?
Activated carbon filters are composed of specially treated charcoal. When charcoal is oxygenated at a certain pressure, hundres of thousands of pores forms on its surface. Activated carbon acts like a sponge to absorb several types of gasses and odors. Some examples of chemicals and compounds that can be removed by a carbon filter are: many VOC, benzene, cigarette smoke odors etc. The amount of activated carbon in a filter is one of the most important characteristics affecting the amount and rate of pollutant removal. The more carbon material in the filter the more efficient is the filter. When the pores on the carbon surface get filled up with pollutant the filter become clogged and loose is efficiency. At this point a new cartridge is needed. Activated carbon is normally included in air purifiers together with an hepa filter. This combination makes this air purifier system very effective
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