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Types of Refrigerator Odor Eliminators
Release time:2021-11-09
Types of Refrigerator Odor Eliminators
Physical deodorant
Refrigerator deodorizers that remove odors through physical means primarily operate on the principles of gas diffusion and adsorption. The solid materials used for adsorbing odor-causing gases mainly include clay minerals, zeolites, and other porous materials. Among these, the silicate minerals in clay-mineral-based deodorizers exhibit a large specific surface area and outstanding adsorption performance, particularly for amine-containing gases; zeolites, on the other hand, are hydrated aluminosilicates with an enormous internal surface area and uniformly small, well-defined pores, giving them exceptionally strong adsorption capacity for polar gases such as hydrogen sulfide. Porous deodorizers, by contrast, typically use activated carbon, silica gel, and porous alumina as raw materials; these materials lack selectivity in adsorption and generally have a relatively short effective duration.
Chemical deodorizer
It converts malodorous substances into odorless ones through chemical reactions; it typically consists of a carrier and an odor-removing active chemical, and the reaction products are not regenerable.
Physical deodorizers have a regenerative function: their deodorizing capacity can be partially restored through heating or ventilation, making them a common and safe choice for refrigerator deodorization today.
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