Preparation method of ceramic balls loaded with nano copper-zinc-silver
A technology of ceramic balls and nano-copper, applied in the field of preparation of nano-copper-zinc-silver ceramic balls, can solve the problems of ineffective removal of heavy metal ions, low filtration precision, large pore size, etc., and achieves rapid removal, good purification effect, The effect of reducing the concentration
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Embodiment 1
[0024] Example 1: Using silver nitrate, copper acetate, and zinc acetate as metal ion sources, dissolve 0.01g of silver nitrate in 10mL of deionized water at room temperature, dissolve 20g of copper acetate and 20g of zinc acetate in 500mL of deionized water at 70°C, and wait until complete After dissolving, add 100g of diatomite powder with a diameter of 100 mesh into copper acetate and zinc acetate solution, then add silver nitrate solution, keep the solution temperature at 70°C, and after stirring for 4 hours, filter and remove the residual solution. After mixing ionic diatomaceous earth and 0.5g sodium carboxymethylcellulose, stir for 1 hour to mix evenly; gradually spray the above-mentioned obtained raw materials into the billet of the ball forming machine, and spray water at the same time to reach a moisture content of 3%, and then use a synthetic Ball machine into balls, when the ball grows to a particle size of 0.2mm, take it out and sieve; Drying: After drying at 80°C ...
Embodiment 2
[0025] Example 2: Using silver nitrate, copper sulfate, and zinc sulfate as metal ion sources, dissolve 0.1 g of silver nitrate in 20 mL of deionized water at room temperature, dissolve 10 g of copper sulfate and 10 g of zinc sulfate in 200 mL of deionized water at room temperature, and wait until completely dissolved Finally, add 500g natural zeolite powder with a diameter of 200 meshes into copper sulfate and zinc sulfate solution, then add silver nitrate solution, and after stirring for 2 hours, filter and remove the residual solution. After the sol is mixed, stir for 1 hour to mix evenly; gradually spray the above-mentioned obtained raw materials into the blank of the ball forming machine, and spray water at the same time to reach a water content of 10%, and then use the ball forming machine to form balls. When the ball grows to a particle size of 20mm, take out, sieve, dry, and dry at 150°C for 4 hours. The obtained ceramic balls were microwave-sintered in a reducing carb...
Embodiment 3
[0026] Example 3: Using silver nitrate, copper chloride, and zinc chloride as metal ion sources, 0.3 g of silver nitrate was dissolved in 20 mL of deionized water at room temperature, and 50 g of copper chloride and 50 g of zinc chloride were dissolved in 500 mL of deionized water at room temperature , after being completely dissolved, adding 1000g of medical stone powder with a diameter of 150 meshes into cupric chloride and zinc chloride solution, then adding silver nitrate solution, stirring for 3 hours, filtering and removing the residual solution, and using the above-mentioned loaded metal ion After mixing the medical stone powder and 2g of polyvinyl alcohol, stir for 1 hour to mix evenly; gradually spray the above-mentioned obtained raw materials into the billet of the ball forming machine, and spray water at the same time to reach a water content of 5%, and then use the ball forming machine to form balls. When the ball grows to a particle size of 5mm, take it out and sie...
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