Types of refrigerator deodorizers
Release time:2021-11-09
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Types of refrigerator deodorizers
Physical deodorant
The refrigerator deodorizer that uses physical action to eliminate odors mainly utilizes the principles of gas diffusion and adsorption. The solid materials used for adsorbing odorous gases mainly include clay minerals, zeolites, and other porous materials. The silicate minerals in clay mineral deodorizers have the characteristic of large specific surface area and good adsorption of gases, especially amine gases. Zeolite materials are aqueous aluminosilicates with a large internal surface area and small and uniform pore channels, which are highly prone to adsorbing polar gases such as hydrogen sulfide. Porous deodorizers mainly use activated carbon, silica gel, and porous alumina as materials, which do not have selective adsorption and have a relatively short action time.
Chemical deodorant
Transforming odorous substances into odorless substances through chemical reactions, usually composed of a carrier and deodorizing chemical active substances, is non renewable after the reaction.
Physical deodorizers have the function of regeneration, which means that they can partially restore their deodorizing ability by heating or ventilating, making them a common and safe refrigerator deodorizer at present.
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