Slow-release antibacterial adsorption material for drinking water treatment and preparation method of material
A technology for drinking water treatment and adsorption materials, applied in water/sewage treatment, adsorbed water/sewage treatment, water/sludge/sewage treatment, etc., can solve the secondary pollution of water purifiers, bacteria cannot be effectively killed, Bacteria breeding and other problems, to achieve the effect of prolonging the service life, eliminating secondary pollution and easy industrialization
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Embodiment 1
[0027] A slow-release antibacterial adsorption material for drinking water treatment, which is composed of the following components by weight percentage: 30% polyvinylidene fluoride, 50% polyvinyl alcohol, 2% silver-loaded phosphate, 10% molecular sieve, 2% baking soda, chlorine Calcium 6%.
[0028] The preparation method of the slow-release antibacterial adsorption material for drinking water treatment comprises the following steps:
[0029] 1. After mixing polyvinylidene fluoride, polyvinyl alcohol, silver-loaded phosphate, baking soda and calcium chloride in the drum mixer according to the proportion, put them into the screw extruder to extrude, and then pass through the granulator to make Granules, made into granular materials.
[0030] Second, soak the finished granular material in an aqueous solution at a temperature of 70°C for 12 hours, soak and elute the pore-forming agent in the particles; then dry it at a temperature of 50°C.
[0031] After 300 g of the slow-relea...
Embodiment 2
[0039] A slow-release antibacterial adsorption material for drinking water treatment, which is composed of the following components by weight percentage: 30% polypropylene, 50% nylon 66, 2% silver-loaded silicate, 10% diatomaceous earth, 2% baking soda, chlorine Lithium chloride 6%.
[0040] The preparation method of the slow-release antibacterial adsorption material for drinking water treatment comprises the following steps:
[0041] 1. After mixing polypropylene, nylon 66, silver-loaded silicate, diatomaceous earth, baking soda and lithium chloride in the drum mixer according to the proportion, put them into the screw extruder to extrude, and then granulate Machine granulation, made into granular materials.
[0042] Second, soak the finished granular material in an aqueous solution at a temperature of 70°C for 12 hours, soak and elute the pore-forming agent in the particles; then dry it at a temperature of 50°C.
[0043] After 300 g of the slow-release antibacterial adsorp...
Embodiment 3
[0051] A slow-release antibacterial adsorption material for drinking water treatment, which is composed of the following components by weight percentage: 40% polypropylene, 40% ethylene-vinyl acetate copolymer, 2% silver citrate, 10% medical stone powder, and 2% baking soda , Lithium chloride 6%.
[0052] The preparation method of the slow-release antibacterial adsorption material for drinking water treatment comprises the following steps:
[0053] 1. After mixing polypropylene, ethylene-vinyl acetate copolymer, silver citrate, medical stone powder, baking soda and lithium chloride in the drum mixer according to the proportion, put them into the screw extruder to extrude, and then pass The granulator granulates and makes granular materials.
[0054] Second, soak the finished granular material in an aqueous solution at a temperature of 70°C for 12 hours, soak and elute the pore-forming agent in the particles; then dry it at a temperature of 50°C.
[0055] After 300 g of the slo...
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