Air purifier: a powerful assistant to improve indoor environment

In a world where air quality is increasingly concerned, air purifiers have become indispensable household appliances. They provide unparalleled convenience in maintaining a healthy living environment. For allergy sufferers, air purifiers are like a godsend. By effectively removing pollen, dust mites and pet dander from the air, they can relieve persistent sneezing, itchy eyes and other allergy symptoms. Whether it’s the spring when pollen is everywhere or in homes with pets, air purifiers ensure clean, allergen-free indoor air.
In addition, in areas with high air pollution, such as near busy roads or in industrial areas, air purifiers protect against harmful particulate matter. No matter how poor the outdoor ambient air quality is, people can enjoy clean air indoors. This is especially important for those who spend a lot of time at home, such as the elderly, children, or people with breathing problems.
Air Purifiers’ Contribution to the Environment
Air purifiers also play an important role in environmental protection. Although they are mainly focused on improving indoor air quality, their impact extends beyond individual homes. In commercial buildings, such as offices, schools, and hospitals, air purifiers help reduce the spread of airborne diseases. By filtering bacteria and viruses from the air, they contribute to a healthier community environment and reduce the overall burden on the healthcare system.
On a larger scale, in urban areas with high air pollution, the widespread use of air purifiers can alleviate some of the pressure on overall air quality. Although they cannot replace large-scale environmental protection measures, they can serve as a complementary solution to reduce the amount of pollutants that people inhale and circulate, thereby indirectly contributing to improving the local environment.
How air purifiers work
Air purifiers work together through a number of different mechanisms. The most common is the use of filters. Mechanical filters, such as high-efficiency air filters (HEPA), are designed to capture tiny particles, including dust, smoke and even some bacteria. These filters are able to capture particles as small as 0.3 microns with high filtration efficiency. On the other hand, activated carbon filters are very effective in adsorbing odors, volatile organic compounds (VOCs) and certain gases. They work by attracting and binding these substances to the surface of activated carbon.
Some air purifiers also use electrostatic precipitation technology. This method charges particles in the air as it passes through an electric field, causing them to be attracted to dust collection plates with opposite charges. The overall effect is to remove a variety of pollutants from the air, improve air quality, and make the indoor environment more comfortable and healthy.
Application of ozone decomposition catalysts in air purifiers
Ozone is a gas that is both beneficial and harmful. In the upper atmosphere, it protects the earth from harmful ultraviolet rays, but near the ground, it can become a pollutant. Some air purifiers may produce small amounts of ozone during the purification process, which is a hidden danger to human health. This is where ozone decomposition catalysts come into play.
Ozone decomposition catalysts are designed to break down ozone molecules into oxygen. In air purifiers, these catalysts are integrated into the purification system. When ozone is generated during the operation of the air purifier, the catalyst quickly reacts with it. The catalyst provides a surface on which the ozone molecules can undergo a chemical reaction and break down into oxygen molecules. This not only ensures that the air purifier does not release harmful ozone into the environment, but also helps maintain pure, healthy indoor air quality. As the demand for more efficient and safer air purifiers grows, the application of ozone decomposition catalysts will continue to play a key role in improving air purifier performance.