As the smog weather intensifies, the air purifier has become a star appliance that is used at home as an anti-mite artifact. The air purifier can absorb, decompose or convert various air pollutants, effectively improving the cleanliness of the air. Although it has entered the spring, the smog does not seem to have decreased. Now the sales market of air purifiers is still very hot, but many consumers are not very familiar with air purifiers. It is better to understand the purification technology of air purifiers. Choose the air purifier that is suitable for your own use. Let's share the purification technology of the air purifier with the following small series.
Air Purifier Purification Technology Classification:
"Activated carbon adsorption technology" with strong adsorption capacity
Activated carbon adsorption technology refers to the application of activated carbon (filter) adsorption, is a basic purification technology, applied to most air purifiers. Activated carbon is divided into three types: coconut shell, nut shell and coal. The adsorption capacity is the strongest in coconut shell activated carbon.
Advantages: Strong adsorption capacity, can effectively absorb harmful substances (such as dust, particles, free molecules, bacteria, etc.) in indoor air.
"Photocatalyst catalytic decomposition technology" that has ultraviolet light to function
Photocatalyst, also known as photocatalyst, is a kind of semiconductor material which is represented by titanium dioxide (TiO2) and can not promote change under the illumination of light, but can promote chemical reaction and has catalytic function. The general term. Under the illumination of a light source, it can use the energy of a specific wavelength source to generate a catalytic effect (redox reaction), so that the surrounding oxygen and water molecules can be excited into active free radicals, which can decompose almost all harmful to the human body or the environment. Organic substances and some inorganic substances.
Advantages: Photocatalytic technology has a broad spectrum of practical effects and high purification efficiency.
Rapid and thorough "reactive oxygen technology"
Active oxygen technology is the application of ozone generators, and is also a kind of basic purification technology. All negative ion generators can basically release a certain concentration of ozone, and are also widely used in most air purifiers.
Advantages: The inactivation of ozone by bacteria is very rapid, and the thoroughness of sterilization is also unquestionable. When used reasonably, it is the most environmentally-friendly and most effective purification method recognized internationally. When the concentration reaches a certain value, sterilization can be completed in an instant.
"Electrostatic dust collection technology" that efficiently removes dust and cigarettes
Electrostatic dust collection technology utilizes the principle of high-voltage electrostatic adsorption, which is a basic purification technology and is widely used in indoor air purifiers. At present, the products using this technology are classics such as Honeywell in the United States. Domestic brands are also using this technology in their high-end products, and there are also some disadvantages of high ozone release.
Advantages: Efficiently remove particulate pollutants in the air, such as dust, soot, pollen, cigarette flavor and kitchen fumes; at the same time, it can effectively absorb gaseous pollutants in the air and filter out pathogenic micro-organisms in the air.
"Negative Oxygen Ion Technology" which has a significant effect on the elimination of indoor odors
Negative ions are a negatively charged gas ion in the air, also known as "negative oxygen ions." Negative ions have the functions of calming, hypnosis, analgesia, increasing appetite, lowering blood pressure and the like. After the thunderstorm, people feel comfortable, that is, the increase of negative ions in the air. Air negative ions can reduce active oxygen (oxygen free radicals) generated by pollutants, nitrogen oxides, cigarettes, etc. from the atmosphere, reduce the harmful effects of excessive active oxygen on the human body; neutralize positively charged airborne dust without charge and then settle The air is purified.
Advantages: Negative oxygen ion purifier has obvious effect on second-hand smoke pollution and can effectively remove dust, can effectively enhance blood oxygen carrying capacity by about 20% and effectively promote human metabolism to improve sleep, clear effect on indoor odor elimination, and effectively eliminate computer TV, etc. The high-voltage static electricity generated to protect vision and release trace ozone at the same time has a certain sterilization effect.
"HEPA high efficiency filtration technology" with very good filtration efficiency
HEPA is an internationally recognized and best high efficiency filter. The HEPA filter consists of a stack of continuous, pre-folded, sub-glass fiber membranes that form a wavy gasket for placement and support of the filter boundary. The filtration efficiency of HEPA high efficiency particulate filters is directly proportional to their surface area. At present, the HEPA high-efficiency particulate filter of the HEPA air purifying device is multi-layered, and the expanded area is increased by a factor of ten to several tens of times when folded. The filtering efficiency is outstanding.
Advantages: The effect of filtering particles is very obvious! The ability to capture particles is strong, the pore size is small, the adsorption capacity is large, the purification efficiency is high, and the water absorption is good, and the particle purification rate for the 0.3 micron is 99.97%. If you use it to filter cigarettes, the filtering effect can reach almost 100%.
Ultra-low-power "low temperature asymmetric plasma air purification technology"
Low-temperature asymmetric plasma air purification technology can cause a large number of plasmas in the air to collide step by step, produce electrochemical reaction, rapidly degrade toxic and harmful gases and living viruses, bacteria, etc., thereby effectively killing, sterilizing, deodorizing, Smoke elimination, dust removal, and the production of non-toxic substances. Known as the most anticipated high-tech in the 21st century environment and health sciences.
Advantages: This technology can coexist with human and machine when purifying indoor air, which can save 80% of electric energy, and it is free to wash and wash for life. It has the characteristics of rapid elimination of virus, super purification ability, high efficiency of removing odor, eliminating static electricity and increasing oxygen content.
"Molecular complexation technology (ie cold catalyst technology)" that has obvious effects on indoor decoration pollution
The cold catalyst technology utilizes the water-dissolving characteristics of formaldehyde and ammonia to introduce indoor air into the purifier, and the toxic gas therein is introduced into the complex decomposition system composed of the molecular complexing agent (formaldehyde trapping agent) and water, and finally the indoor air is The pollutants are converted into irreversible neutral macromolecular chain solid substances, and then the relatively clean air is removed, and finally the purification effect is achieved.
Advantages: The technology has obvious effects on the pollution effects of formaldehyde, benzene series and TVOC caused by interior decoration, which is regarded as a specific special application.
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