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Air purifier can really remove formaldehyde, which products can really remove formaldehyde

While the air purifiers on the market claim to be able to remove formaldehyde and other harmful substances in the shortest possible time, and also claim to be able to really achieve the effect of no side effects, but many friends will still be questioned. Especially for consumers who do not have any professional knowledge in this area, whether to buy an air purifier? How to buy an air purifier is a tricky question. Then you may want to follow the editor to understand a few points related to the knowledge of it.

A, air purifier can really deformaldehyde

The National Indoor Environment Purification and Treatment Professional Committee and Shanghai Indoor Environment Purification Industry Association expert Wu Jixiang analysis that the family indoor pollutants there are two main categories. A class of particulate pollutants, including PM2.5, PM10, second-hand smoke, pollen, dust, bacteria, viruses, etc.; a class of gaseous pollutants, we are familiar with the decoration of the pollutants is the main component, such as formaldehyde, benzene, TVOC, radioactive radon and so on.

The core technology of the air purifier is physical filtration. Simply put, it is the fan in the purifier will be indoor air "pump" into the machine, through the filter inside the machine, isolate the pollutants. The filter has a certain pore size, according to the size of the pore, can isolate particles of different diameters. The molecular diameter of gaseous pollutants is much smaller than that of particulate pollutants, and cannot be isolated by the filter. Therefore, the air purifier's native specialty lies in the removal of particulate pollutants, rather than gaseous pollutants such as formaldehyde and benzene.

Formaldehyde is a gaseous pollutant, HEPA net can not be absorbed, must use activated carbon. Normally activated carbon can adsorb formaldehyde in the air, but water vapor in the air can also displace formaldehyde from the activated carbon, which is why air purifiers with activated carbon are not with humidification. Water vapor molecules are everywhere, so only rely on activated carbon to remove formaldehyde is not possible, must be used at the same time some kind of catalyst (such as photocatalyst or potassium permanganate) to immediately decompose the formaldehyde captured by the activated carbon, this process involves a complex chemical reaction, much more difficult than the technology of the HEPA network, which is why the air purifiers can be removed from the formaldehyde of the technical content required to be much higher, the general business is not very easy to This is why the technology required for air purifiers that can remove formaldehyde is much higher and not easy for general enterprises to master. Most of the air purifiers on the market today claim to be able to remove formaldehyde, but in fact there are very few that are really reliable. The most reliable way to reduce the harm of formaldehyde is to open windows and ventilate the room.

Two? Which product can really remove formaldehyde

Ushield PM2.5 removal system product responsible person Teng Yong said in an interview, both consumers and businesses, have gone into a misunderstanding, formaldehyde, although at the current level of technology can not be effectively decomposed and removed, but can be discharged through the Ushield PM2.5 removal system is outside.

To Ushield PM2.5 removal system, for example, in the working principle of the air purifier completely subverted the internal cycle of the air "air" dead, the first time in the industry to achieve the perfect combination of oxygen ventilation and pollution purification. Compared with traditional air purifiers, Ushield PM2.5 removal system has the following unique advantages:

1, in the purification technology, the traditional air purifier is an internal cycle principle of work, can not introduce fresh air, and Ushield products in the case of not opening the window, ventilation and air purification at the same time;

2, from the point of view of the actual purification effect, the traditional air purifier In addition to formaldehyde effect is poor, and Ushield is a variety of pollutant gases with the airflow out of the outdoors;

3, Ushield's unique "ventilation" advantage, through the introduction of fresh air to protect the indoor oxygen content, reduce the concentration of carbon dioxide, and air purifiers closed-cycle principle of operation will lead to carbon dioxide exceeds the standard, the indoor air Dirty. Some industry insiders believe that this is the best solution for indoor air pollution so far.

The air purifier mentioned above is widely used in the market, for example, for the newly renovated house, the use of green plants adsorption or through the traditional window ventilation effect is not good, and with the help of the power of air purifier can be satisfactory results, in addition to some of the windows are relatively fewer households, commonly used air purifiers can play a role in purification. The air purifier can also be used to purify the house with fewer windows. Therefore, the sales of air purifiers on the market have a good reputation. But taking into account the phenomenon of a mixed bag, so I suggest that you should focus on the above review to analyze.

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