In the paper industry, the traditional physical and chemical adsorption method and the coagulation method still have secondary pollution. Although the biochemical method is damaged, the efficiency is low. Nano TiO 2 will completely change this appearance. Nano TiO 2 photocatalytic degradation of organic matter treatment technology has the effect of no secondary pollution and high removal rate. It can adsorb organic matter to the surface to the maximum extent, and has ultraviolet ray and photocatalysis. Degradation ability can quickly decompose organic matter adsorbed on its surface to eliminate pollution. This has been detailed above. In addition, nano-TiO 2 has the following four functions in the paper industry: 1 The nano-TiO 2 antibacterial agent is mixed into the papermaking pulp to produce antibacterial paper, such as physical antibacterial composite fiber nonwoven fabric, household paper, Medical and food packaging paper, etc., so that paper products can be upgraded; 2 can be applied to nano mineral fiber paper; 3 can produce nano antistatic paper, wear-resistant functional paper, high-precision instrumentation, stainless steel with low roughness and gold backing laminated packaging material, packaging paper having only requires water, oil, rust resistance, but also required to have high strength, abrasion, anti-static, anti-aging characteristics, such as the nano-TiO 2 0.5 ~ 0.1% The amount of % is mixed into the slurry, and the special paper produced has excellent wear resistance, water resistance, corrosion resistance and good electrostatic shielding effect, greatly reducing the electrostatic effect and improving the safety factor of the wrapping paper; 4 nm TiO 2 is added to It can be made into light-resistant matt high-white paper and bright colored paper in chemical fiber to achieve anti-ultraviolet effect, improve whiteness, and easily dye, brighten and improve color. The heat resistance and oxidation resistance of the organic pigment make the color of the paper more stable and not yellow, increase the fiber pulling force, and fill in the unevenness between the fibers, and obtain a recycled paper of desired strength, density and smooth surface. In addition, nano-TiO 2 can also be used to develop high-performance specialty papers such as color-changing paper, flavored paper, flame-retardant paper, and energy storage paper.
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