Titanium dioxide (TiO2) creates electrons when receiving ultraviolet rays of 360 - 380nm and it achieves a photo electronic plasma state. Therefore, it produces the hydroxyl radical (-OH) and superoxide (O2-) which are strong oxidants. The hydroxyl radical and superoxide oxidize and decompose organic compounds. After then it change them into water and carbon dioxide. The OH radical created on this principle oxidizes and decomposes pollutants in the air and bacteria as well because bacteria are also organic compounds. Such a sterilizing effect has oxidative power that is 206% stronger than chlorine and 157% stronger than hydrogen peroxide. And it demonstrates that it has strong sterilization that is 2,000 times stronger than ozone and 180 times faster than ozone and ultraviolet rays.
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