In this era of information explosion, in the face of the company's coveted propaganda and product mix, the disadvantaged consumers often do not have enough. The implementation of the new national standard for air purifiers indicates that China's air purifier market is becoming more standardized. The new national standard can certainly play a normative role in the industry, but as consumers, we should understand the specific content of the new national standard, and understand that we have the authority to verify the parameters of the authority, when shopping for air purifiers, naturally worry and rest assured.
At present, there are many types of air purifiers on the market, including some portable, filter, adsorption, complex, chemical, photocatalytic, electrostatic, plasma, composite and so on. But the two most common categories are filter filtration and electrostatic adsorption. When consumers choose products, they have been plagued by the choice of filter purification or electrostatic purification.
Filter adsorption method
Most of the air on the market has used a composite filter, which turns the activated carbon filter, antibacterial filter, and hepa filter into an ultra-thick filter. It can be done more densely and with a larger expansion area. A denser filter can increase the adhesion rate of pollutants and improve purification efficiency. The larger unfolded area allows for higher air circulation rates, reduced windage, and reduced noise during operation of the purifier. These two aspects of improvement are actually very helpful to our feelings in daily use.
Advantages: The filter-type air purifier has obvious purification effect and fast purification speed. It can quickly purify indoor polluted air.
Disadvantages: Even after the air purifier is used for a long time, the filter must be replaced. Most air purifiers should be replaced in about two or three months. If they are not replaced, they will cause secondary pollution. The purified air is not as good as the air without purification. Therefore, when users purchase filter-type purification, they need to pay attention to its after-sales service, filter net cost and so on.
Electrostatic adsorption
The electrostatic precipitator (ESP/PLASMA) air purifier uses a high-voltage direct current electric field to ionize gas molecules in the air, generating a large amount of electrons and ions. The dust-containing gas is electrically separated when passing through a high-voltage electrostatic field, and the dust particles and negative ions are combined and negatively charged. When it passes through the dust-removing net, it is adsorbed by the positively-charged metal plate, thereby achieving the effect of dust removal.
Advantages: The machine works very quiet during operation. The filter can be reused and only needs to be washed with water.
Disadvantages: The purification time is longer and the purification effect is not obvious. Ozone will be produced during work, which may cause certain harm to the human body.
In order to compare the filter adsorption and electrostatic adsorption of the air purifier, we deliberately found the filter Panasonic air purifier F-73C6VJD and static adsorption adsorption of the Beyond X3 air purifier as a representative. Their CADR values ​​are similar, and their performance is compared by tests such as purification effects and noise, providing users with better choices.
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