Measurement of the decomposition of acetaldehyde gas and the concentration of reaction products.
The pure titanium metal has a non-woven fabric substrate. After converting pure titanium plates into fine wires, they are thermally fused into sheet form in an inert atmosphere. The same linear dimensions were used for non-woven materials of different thicknesses, which were treated with Titanister, and the decomposition of acetaldehyde gas and the measurement of reaction product concentrations were conducted to clarify the differences. ■ Substrates used - 100mm square Non-woven Fabric A, linear 60μm, 400g/m2 - 100mm square Non-woven Fabric B, linear 60μm, 1200g/m2 Both were treated with Titanister MI-W, a vapor-phase reaction system type, and used as test samples. For reference, Fabric A consists of fine wires arranged in a flat manner at 400g per square meter. Performance tests were conducted on non-woven Titanister materials with three times the thickness difference. *For more details, please download the PDF or feel free to contact us.
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What is the photocatalyst "Titanistar"? It is not a coating-type photocatalyst, nor does it use any of the raw materials employed in those types. By simply performing surface oxidation treatment on titanium within pure titanium metal, a titanium dioxide photocatalyst film is generated on the surface of pure titanium. This film contains no impurities and is generated without a boundary on the pure titanium. It is characterized by high photocatalytic ability and a highly durable film. After about 50 minutes, the gas components in non-woven fabric A were decomposed, while those in B were decomposed after about 60 minutes. However, there was a significant difference in the concentration of carbon dioxide, the reaction product. In A, nearly the entire amount of carbon dioxide was measured, approaching mass balance, while in B, only about 60% of the amount was measured. Additionally, after the test, when the odors of non-woven fabrics A and B were compared, A was odorless, while B had a vinegar-like smell. This suggests that the thicker non-woven fabric B retained gas internally and could not fully decompose due to internal adsorption. In other words, it was found that the thickness prevented ultraviolet light from irradiating the interior of the non-woven fabric, inhibiting the photocatalytic reaction. *For more details, please download the PDF or feel free to contact us.*
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Yield Co., Ltd. manufactures and sells chemical industrial products. Our main products include titanium dioxide photocatalytic materials "Titanistar" and high-performance water purification devices "Aquabeam." Please feel free to contact us if you have any inquiries.
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