Graphene-titanium dioxide composite high-efficiency filter screen
A titanium dioxide and high-efficiency filter technology, which is applied in the fields of dispersed particle filtration, chemical instruments and methods, and gas treatment, can solve the problems of poor efficiency and low filtration efficiency, and achieve the goal of increasing adhesion, high content, and improving purification effect Effect
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Embodiment 1
[0017] A graphene-titanium dioxide composite high-efficiency filter screen, comprising a metal support frame, the metal support frame is provided with a nylon mesh layer, the nylon mesh layer is provided with a titanium dioxide glass fiber mesh layer, and the titanium dioxide glass fiber mesh layer is provided with activated carbon Fiber filter screen, the activated carbon fiber filter screen is provided with a graphene-coated metal mesh, and the graphene-coated metal mesh is coated with a graphene layer,
[0018] Wherein the preparation method of titanium dioxide glass fiber mesh layer comprises the following steps:
[0019] (1) In parts by weight, add 23 parts of butyl titanate, 0.1 part of nano-GTO, and 6 parts of acetylacetone to 110 parts of absolute ethanol, and then continue to add 15 parts of deionized water to it, stir evenly, and then After ultrasonic treatment for 15 minutes, aging treatment at room temperature for 24 hours to obtain titanium dioxide sol;
[0020] ...
Embodiment 2
[0026] A graphene-titanium dioxide composite high-efficiency filter screen, comprising a metal support frame, the metal support frame is provided with a nylon mesh layer, the nylon mesh layer is provided with a titanium dioxide glass fiber mesh layer, and the titanium dioxide glass fiber mesh layer is provided with activated carbon Fiber filter screen, the activated carbon fiber filter screen is provided with a graphene-coated metal mesh, and the graphene-coated metal mesh is coated with a graphene layer,
[0027] Wherein the preparation method of titanium dioxide glass fiber mesh layer comprises the following steps:
[0028] (1) In parts by weight, add 25 parts of butyl titanate, 0.2 parts of nano-GTO, and 8 parts of acetylacetone to 115 parts of absolute ethanol, and then continue to add 18 parts of deionized water to it, stir evenly, and then After ultrasonic treatment for 18 minutes, aging treatment at room temperature for 24 hours to obtain titanium dioxide sol;
[0029]...
Embodiment 3
[0035] A graphene-titanium dioxide composite high-efficiency filter screen, comprising a metal support frame, the metal support frame is provided with a nylon mesh layer, the nylon mesh layer is provided with a titanium dioxide glass fiber mesh layer, and the titanium dioxide glass fiber mesh layer is provided with activated carbon Fiber filter screen, the activated carbon fiber filter screen is provided with a graphene-coated metal mesh, and the graphene-coated metal mesh is coated with a graphene layer,
[0036] Wherein the preparation method of titanium dioxide glass fiber mesh layer comprises the following steps:
[0037] (1) In parts by weight, add 26 parts of butyl titanate, 0.3 parts of nano-GTO, and 10 parts of acetylacetone to 120 parts of absolute ethanol, and then continue to add 20 parts of deionized water to it, stir evenly, and then After ultrasonic treatment for 20 minutes, aging treatment at room temperature for 24 hours to obtain titanium dioxide sol;
[0038...
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