What technology does a good air purifier need? (2)Air purifier Production

　　6. Photocatalyst

　　Photocatalyst, also known as Lightcatalyst, is a type of semiconductor material represented by titanium dioxide (TiO2), which does not change by itself under the irradiation of light, but can promote chemical reactions, and is a general term for semiconductor materials with catalytic function. Under the irradiation of a light source, it can use the energy of a specific wavelength light source to produce a catalytic effect (redox reaction), so that the surrounding oxygen and water molecules are excited into active OH^- and O^2- and other free ion groups, these free radicals Almost all organic substances and some inorganic substances that are harmful to the human body or the environment can be decomposed.

　　7. Formaldehyde scavenger

　　High-end bio-engineering technology from Europe, based on the principle of formaldehyde absorption by certain plants, extracts essence from dozens of natural plants, adds active ingredients and is refined by a special process; this product is an aqueous liquid, colorless, odorless, and odorless. No volatility (except moisture), it can actively capture free formaldehyde and form a stable solid substance. Once used, the effect is rapid and long-lasting.

　　8. Ozone (active oxygen technology)

　　The thick layer of gaseous ozone is bluish with a special smell, and when the concentration is high, it smells like chlorine; liquid ozone is dark blue, and solid ozone is purple-black.

　　9. Ultraviolet rays

　　Ultraviolet rays are the general term for radiation with wavelengths ranging from 0.01 to 0.40 microns in the electromagnetic spectrum, and cannot cause people's vision. In the electromagnetic spectrum, the wavelength is 0.01~0.04 micron radiation, which is the radiation from the violet end of the visible light to the X-ray.

　　Ultraviolet rays with a wavelength of 200 to 290 nm can penetrate the cell membranes of bacteria and viruses, damage nucleic acid (DNA), and make cells lose the ability to reproduce, achieving a rapid sterilization effect. Short-wavelength ultraviolet light with a wavelength below 200nm can decompose O2 molecules, and the generated O* combines with O2 to produce ozone O3. Ultraviolet rays and ozone have a strong ability to oxidize and decompose organic molecules including malodors, and the synergistic effect of the combined use of UV/O3 exerts a powerful force in air purification treatment.

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