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Tianjin formaldehyde detection
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Efficacy and characteristics of photocatalyst in removing formaldehyde

Source: Tianjin addition to formaldehyde Author: Tianjin addition to formaldehyde click:

Photocatalyst can effectively degrade toxic and harmful gases in the air (such as formaldehyde, benzene, ammonia, TVOC, etc.); it can effectively kill a variety of bacteria (such as Escherichia coli, Klebsiella inflammatory, Staphylococcus aureus, and Pseudomonas aeruginosa (Monadomyces, etc.), the antibacterial rate can be as high as 99.99%, and can break down and harmless toxins released by bacteria or mold. Photocatalyst is non-toxic and harmless to the human body and the environment, has no secondary pollution, and has a long-lasting benefit function. At the same time, titanium dioxide itself is non-toxic and harmless, and has been widely used in food, medicine, cosmetics and other fields; photocatalyst chemical stability Very strong, other than hot concentrated sulfuric acid , other solvents are difficult to decompose.


In addition to being limited by light, the effectiveness of photocatalysts is also not affected by humidity and temperature. Most people go into a misunderstanding and think that photocatalysts must receive a strong ultraviolet light source in order to react. According to reports from many international scientific research groups, titanium dioxide in When the light is stronger than 6 × 10-5 Einstein.L-1.S-1, photocatalysis is not effective, because there is a competitive recombination of intermediate oxides on the catalyst surface under strong light . I will share with you the characteristics of photocatalysts in addition to formaldehyde:


1. Thorough: Photocatalyst can efficiently decompose various harmful organic substances in the air such as formaldehyde, benzene series, ammonia, TVOC (total volatile organic compounds), bacteria and other pollutants, solving the secondary pollution problem existing in traditional air purification methods ;


2. Long-lasting: The titanium dioxide of the photocatalyst stock solution is very stable, only plays a catalytic role, and does not lose itself, so theoretically it can play a role forever;


3. Directness: Photocatalysts use light energy such as inexhaustible sunlight and artificial light to decompose and purify low-concentration environmental pollutants in the air;


4. Safety: Does not contain mercury, cadmium, lead, organic compounds. Non-toxic and harmless, safe and reliable for the human body; a small amount of carbon dioxide, water and other harmless substances in the final reaction product room;


5.Efficacy: Effectively degrade formaldehyde, ammonia, benzene, TVOC, organic chemicals, sterilization, mildew, aging, anti-fading, anti-static.


Editor-in-chief: Tianjin in addition to formaldehyde Sorting out time: 2019-10-4 16:08:47
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