Hitachi photocatalyst lamp FL40SS.EX -N/37-PC, Brand: Hitachi Model: FL40SS.EX -N/37-PC power: 40W Length: 1200cm diameter: 28mm light source color: three-wavelength-daylight lamp: G13 Luminous flux: 3460lm life: 12000H color rendering index Ra: 84 CCT: 5000K Packing: 25 / box Photocatalyst [Photocatalyst] light [Photo = Light] + catalyst (catalyst) [catalyst] compound words. Often referred to as a photocatalyst, also known as the photocatalyst. The photocatalyst is a photocatalyst. The catalyst is used to reduce the energy required by the chemical reaction, to promote the chemical reaction speed, but itself is not generated due to chemical reactions and changes in substance. Photocatalyst name suggests that the energy of the light as the energy source of the chemical reaction, the use of titanium dioxide as a catalyst, accelerating the oxidation-reduction reaction, so that adsorbed on the surface of the oxygen and water molecules are excited into a highly reactive hydroxyl radical HO. And negative oxygen ions O2-, a radical of the strong oxidizing power almost decomposable all human or environmentally harmful organic substances and part of the inorganic substance, it quickly oxidative decomposition of a stable and harmless substances (water, carbon dioxide), air purification function. Nanoscale titanium dioxide photocatalyst in the faint light can react, UVA irradiation, photocatalytic activity will strengthen. The Photocatalyst lamp air purification, sterilization effect. Indoor air molecules moving fast, the harmful gases and bacteria can easily encounter Lamp outer wall is decomposed and kill.