Nnano-silver diatomite antibacterial filter core and preparation method thereof
A technology of silver diatomite and diatomite, which is applied in the field of nano-silver diatomite antibacterial filter element and its preparation, can solve the problems of hidden dangers in water quality safety and damage to the function of water purification membrane, and achieve good filtration and adsorption performance and guarantee safe effect
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Embodiment 1
[0015] Embodiment 1: A nano-silver diatomite antibacterial filter element, its production components and proportioning are: diatomite 60%, porogen 10%, sintering aid 10%, binding agent 10%, water 10% , wherein the porogen is one or more of plant starch, plant fiber, carbon powder, sodium chloride, ammonium chloride, potassium chloride, and the sintering aid is kaolin, vermiculite powder, alumina powder, bentonite, quartz One or more of powder and montmorillonite, and the binder is one or more of carboxymethyl cellulose, hydroxymethyl cellulose, polyvinyl alcohol, polyethylene glycol, and polyvinyl pyrrolidone. The method of using the above-mentioned raw materials to prepare the nano-silver diatomite antibacterial filter element is: (1) purify and refine the diatomite, soak the acid-soluble diatomite with 2% to 10% concentration of hydrochloric acid or nitric acid or sulfuric acid for 1h to 3h, and filter Wash with water until it is near neutral, dry at 80°C-100°C, and calcinat...
Embodiment 2
[0016] Embodiment 2: A kind of nano-silver diatomite antibacterial filter element, its making component and proportioning are: diatomite 75%, porogen 3%, sintering auxiliary agent 8%, binding agent 3.5%, water 10% , plasticizer 0.5%, wherein the porogen is one or more of plant starch, plant fiber, carbon powder, sodium chloride, ammonium chloride, potassium chloride, and the sintering aid is kaolin, vermiculite powder, oxidized One or more of aluminum powder, bentonite, quartz powder, and montmorillonite, and the binder is one of carboxymethylcellulose, hydroxymethylcellulose, polyvinyl alcohol, polyethylene glycol, and polyvinylpyrrolidone One or more, the plasticizer is ethylene glycol or glycerol. Refer to Example 1 for the method of preparing nano-silver diatomite antibacterial filter element using the above raw materials.
Embodiment 3
[0017] Embodiment 3: A nano-silver diatomite antibacterial filter element, its production components and proportioning are: diatomite 66.4%, porogen 5%, sintering aid 9%, binding agent 7%, water 12% , plasticizer 0.6%, wherein the porogen is one or more of plant starch, plant fiber, carbon powder, sodium chloride, ammonium chloride, potassium chloride, and the sintering aid is kaolin, vermiculite powder, oxidized One or more of aluminum powder, bentonite, quartz powder, and montmorillonite, and the binder is one of carboxymethylcellulose, hydroxymethylcellulose, polyvinyl alcohol, polyethylene glycol, and polyvinylpyrrolidone One or more, the plasticizer is ethylene glycol or glycerol. Refer to Example 1 for the method of preparing nano-silver diatomite antibacterial filter element using the above raw materials.
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