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Main components of activated carbon filter
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[Abstract]:
Activated carbon filter is a new type of environmentally friendly material, which can effectively filter impurities in the air and bring clear and beneficial gas for people to use. Activated carbon filter is composed of many components, among which activated carbon is the heaviest one of all components. Below, Xiaobian will elaborate on the development and function of this activated carbon.
Air Purification Activated Carbon is an internationally recognized high-efficiency adsorbent material that was used in gas masks as early as World War I. Activated carbon is widely used for air purification in automobiles or indoors. Activated carbon is a porous carbonaceous material. Its developed void structure makes it have a large surface area, so it is easy to fully contact with toxic and harmful gases in the air. The strong adsorption field around the activated carbon pores will be toxic immediately. Gas molecules are sucked into the pores, so activated carbon has a strong adsorption capacity and is also the main technology for removing gaseous pollutants. Activated carbon adsorption technology is mainly divided into two categories: physical adsorption and chemical adsorption.
Physical adsorption is mainly for the adsorption of macromolecular contaminants by the microporous structure of activated carbon itself for macromolecular organic gases such as TVOC such as benzene. Chemical adsorption mainly targets some small-molecule gaseous pollutants such as (formaldehyde, hydrogen sulfide, nitrogen oxides, etc.). Because small molecules are easily removed again after adsorption, they form secondary pollution. Therefore, chemical treatment of activated carbon is required to be The adsorbed gas reacts with the chemical components to achieve the adsorption effect.
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