Recent past, the continuous emergence of a wide range of fog and haze, air quality problems. In view of this situation, the Chinese Center for Disease Control experts said publicly that qualified families can use an air purifier to reduce indoor particulate matter pollution.
From the market point of view, the air purifier has also become one of the fastest-growing sales of home appliances. According to the China Electronic Chamber of Commerce Consumer Electronic Product Investigation Office statistics show that in the fourth quarter of 2012, an air purifier volume of retail sales rose more than 11%. Hot in the market attracted the industry to the rapid expansion of the product after another, for a time difficult to identify the consumers in the purchase. The experts said, to buy air purifiers to choose from the following aspects: the indoor area, sources of pollution, the use of object select purifier; selected according to the geographical, habits humidification.
Step 1: get to know Purifyingchromic sutures
Purifier brand, model, purification in different ways, and the price falls far short. Understanding of the principles of various purification techniques and their respective advantages and disadvantages for consumers usually less exposure to such products, the first step is rational to buy.
Purification due to sources of pollution and health, to understand the purification must first understand the pollution. Indoor pollution comes mainly from several major aspects: dust pollution, can be adsorbed to particulate pollution, nicotine pollution, air pollution from kitchen, unpleasant odor, bacteria, viruses, as well as decoration caused by chemical contamination (such as formaldehyde). Only for different pollutants, to take corresponding purification, can be more effective to achieve optimal purification.
Activated carbon adsorption technology
This is one for the widest range of the most basic purification.
Advantages: strong adsorption capacity, the effective absorption of harmful substances in the air, such as dust, particles, free molecules, bacteria, etc..
Disadvantages: only temporarily adsorption increased with temperature, wind speed, the adsorbed pollutants may be freed again, so often to clean or replace the filter material, to increase the use of cost.
Negative oxygen ion technology
Also called negative oxygen ions in the anion is a negatively charged gas ions. It reduction of pollutants from the atmosphere, nitrogen oxides, cigarettes produce reactive oxygen species (oxygen free radicals); and positively charged particulates make it without charge after the settlement.suture needle
Advantages: the effect of secondhand smoke purification significant and effective dust; effectively enhance blood oxygen carrying capacity, and effectively promote human metabolism, improve sleep; eliminate unpleasant odor effect is obvious; can effectively eliminate high voltage static electricity generated by the computer, TV, etc.; protect eyesight.
Disadvantages: life is very short, so they need sustained release; purifying effect of formaldehyde, benzene and other pollutants.
Ozone Technology
A basis for purification technology, used in the vast majority of air purifiers.
Advantages: the inactivation of bacteria responsive, rational use is internationally recognized as the most environmentally friendly and most thorough purification.
Disadvantages: excessive ozone on the human body there are certain hazards.
ESP technology
High-pressure electrostatic adsorption principle, filtering pollutants in the air, the more popular applications.
Advantages: efficient removal of particles in the air pollutants, such as dust, soot, pollen, cigarette smoke and fumes from the kitchen; effective absorption of gaseous pollutants and pathogenic micro organisms in the air filter.
Disadvantages: easy to produce ozone, particulate matter and other particles gas only, almost no effect on the removal of formaldehyde, benzene, TVOC and other chemical contaminants.
Low temperature the asymmetric plasma air purification technology
Make the air between a large number of plasma impact, step by step through the electrochemical reaction of toxic and hazardous gas and live virus, bacteria and other rapid degradation.
Advantages: the technology of clean indoor air of human coexistence; energy saving, and free washable; disinfection of viruses, super purification capacity with fast, efficient and eliminate the odor, eliminate static function, increase the oxygen content and many other advantages.
Disadvantages: not yet universal, the price is opaque.
Molecular complexation
Use of formaldehyde and ammonia water soluble characteristics, the indoor air is introduced into the purifier, the wherein toxic gases pass into the molecular complexing agent (formaldehyde scavenger) Complexation exploded system consisting of water, pollutants in the indoor air will eventually transforming irreversible neutral macromolecular chains of solid substances, to exclude relatively clean air, and ultimately achieve the purification effect. Is really effective to completely remove the decoration pollution, chemical pollution technology.
Advantages: the interior decoration pollution caused by formaldehyde, benzene, TVOC effect is more obvious.
Disadvantages: need regular replacement of the complex ion-containing solution or similar components, the use of high cost.
The photocatalyst catalytic decomposition technique
In the light irradiation, using a specific wavelength of light energy as a catalyst (oxidation-reduction reaction), oxygen and water molecules in the surrounding excitation into the activity of free radicals. These free radicals decomposed almost all organic substances harmful to humans or the environment and some inorganic substances.
Advantages: high purification efficiency.
Disadvantages: having to ultraviolet radiation can play a role, it takes sun light, without light, need extra UV lamps, but too much ultraviolet radiation is harmful to the human body.
HEPA high efficiency filtration technology
HEPA is an internationally recognized high efficiency filter. HEPA filter consists of a stack of folded back and forth consecutive sub-glass fiber membrane, forming wavy washer is used to place and support the filter media. HEPA high efficiency particulate filter purifying performance of its proportional to the surface area.
Advantages: filter particulate matter effect is very obvious, for particles of 0.3 micron purification rate of 99.97%.
Disadvantages: dust the serious regional use will shorten the life HEPA need to be changed frequently, the cost is high.
Step 2: Learn the standard indicators
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