Industry News

In 1823, John and Charles Dean invented a new type of smoke protection device that allows firefighters to avoid smoke when extinguishing the fire; in 1854, a man named Johns Tenhouse made new progress built on the invention of predecessors. After several attempts, he learned that adding charcoal to the air filter can filter harmful and toxic gases from the air.

During World War II, the US government began to conduct research on radioactive materials. They needed to develop a way to filter out all harmful particles in order to keep the air clean so that scientists could breathe, so HEPA filters came into being.

In the 1950s and 1960s, HEPA filters were once very popular. HEPA is a filtration standard, that is, for 0.3-micron particles, it has a filtration efficiency of more than 99.97%, which requires a single filtration efficiency. In the air purifier, the air resistance of the filter that meets the HEPA standard is too high to be suitable.

In the 1980s, the focus of air purification has shifted to air purification methods, such as household air purifiers. The old filters are very good at removing malodors, toxic chemicals, and toxic gases in the air, but they cannot remove mold spores, viruses, or bacteria. The new home and office air purifiers can not only clean the toxic gases in the air. It can also purify the air and remove bacteria, viruses, dust, pollen, mold spores, etc. in the air.

Since the late 1990s, as the demand for sterilization and deodorization has increased, there has been an "anti-bacterial fever" in the field of air purifiers. The air purifier also adopted a photocatalyst filter element in 1996 to improve its sterilization and deodorization performance.

After 2002, affected by the spread of SARS and the new influenza epidemic, people's demand for anti-virus air purifiers has increased. Developed and equipped the air purifier with "Streamer Energy" technology. The air purifier technology uses decomposition (oxidation) filter elements to capture bacteria and viruses.

In 2008, in addition to the countermeasures to remove harmful substances in the air, in order to meet the needs of eliminating room dryness, the air purifier added a "humidification function".

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