Formaldehyde purification material
A formaldehyde purification, composite material technology, applied in other chemical processes, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of difficult to achieve industrialization, low utilization of light energy, etc. Surface area, the effect of efficient physical adsorption
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Embodiment 1
[0015] (1) Disperse polyimide and nano-acid modified zeolite in N,N-dimethylformamide and N,N-dimethylacetamide mixed solvent according to the mass ratio of 5:0.3 for electrospinning; Acid-modified zeolite / polyimide composites;
[0016] (2) Add acid-modified zeolite / polyimide, tetrabutyl titanate, chloroiridic acid, and PVP into 100mL ethanol / water mixed solvent with a mass ratio of 10:2:1:0.2, mix well by ultrasonic, and then add Add a few drops of 1M / L ammonia solution, transfer the mixture into a high-pressure reactor, and conduct a hydrothermal reaction at 180°C;
[0017] (3) After the obtained product was washed with deionized water, it was calcined at 300°C to obtain acid-modified zeolite / C loaded with TiO 2 -IrO 2 Composite materials with heterojunction structures.
Embodiment 2
[0019] (1) Disperse polyimide and nano-acid modified zeolite in N,N-dimethylformamide and N,N-dimethylacetamide mixed solvent according to the mass ratio of 5:1 for electrospinning; Acid-modified zeolite / polyimide composites;
[0020] (2) Add acid-modified zeolite / polyimide, tetrabutyl titanate, chloroiridic acid, and PVP into 100mL of ethanol / water mixed solvent with a mass ratio of 10:2:2:0.3, mix well by ultrasonic, and then add Add a few drops of 2M / L ammonia solution, transfer the mixture into a high-pressure reactor, and conduct a hydrothermal reaction at 180°C;
[0021] (3) After the obtained product was washed with deionized water, it was calcined at 350°C to obtain an acid-modified zeolite / C loaded with TiO 2 -IrO 2 Composite materials with heterojunction structures.
Embodiment 3
[0023] (1) Disperse polyimide and nano-acid-modified zeolite in a mixed solvent of N,N-dimethylformamide and N,N-dimethylacetamide according to the mass ratio of 5:1 for electrospinning to obtain Acid-modified zeolite / polyimide composites;
[0024] (2) Add acid-modified zeolite / polyimide, tetrabutyl titanate, chloroiridic acid, and PVP in a mass ratio of 10:2:2:0.4 in 100mL of ethanol / water mixed solvent, and mix them uniformly by ultrasonic, and then Add a few drops of 2M / L ammonia solution, transfer the mixed solution into a high-pressure reactor, and conduct a hydrothermal reaction at 200°C;
[0025] (3) After the obtained product was washed with deionized water, it was calcined at 400°C to obtain an acid-modified zeolite / C loaded with TiO 2 -IrO 2 Composite materials with heterojunction structures.
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