High-permeability porous ceramic membrane and preparation method thereof
A porous ceramic membrane and high-permeability technology, applied in the field of ceramic materials, can solve the problems of limited application range and reduced membrane strength, and achieve the effects of rapid prototyping, reduced raw material costs, and simple preparation process
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[0014] Example 1
[0015] A high permeability porous ceramic membrane, the weight parts of each component are:
[0016] 60 parts of kaolin, 20 parts of potash feldspar, 8 parts of alumina, 8 parts of calcium carbonate, 1 part of polyammonium methacrylate, 3 parts of polyethyleneimine.
[0017] The preparation method includes the following steps:
[0018] Weigh the above materials according to the stated ratio, mix and stir them evenly, melt them in a high-temperature frit furnace at 1350℃ for 1.5h, and then carry out microwave sintering at a temperature of 1500℃ and a heating rate of about 25℃ / min. Keep the temperature for 25 minutes, and quench the molten liquid with cold water to obtain a high permeability porous ceramic membrane.
Example Embodiment
[0019] Example 2
[0020] A high permeability porous ceramic membrane, the weight parts of each component are:
[0021] 55 parts of kaolin, 25 parts of potash feldspar, 8 parts of alumina, 8 parts of calcium carbonate, 1 part of polyammonium methacrylate, 3 parts of polyethyleneimine.
[0022] The preparation method includes the following steps:
[0023] Weigh the above materials according to the stated ratio, mix and stir them evenly, melt them in a high-temperature frit furnace at 1300℃ for 1.5h, and then carry out microwave sintering at a temperature of 1500℃ and a heating rate of about 20℃ / min. Keep the temperature for 25 minutes, and quench the molten liquid with cold water to obtain a highly permeable porous ceramic membrane.
Example Embodiment
[0024] Example 3
[0025] A high permeability porous ceramic membrane, the weight parts of each component are:
[0026] 55 parts of kaolin, 25 parts of potash feldspar, 6 parts of alumina, 8 parts of calcium carbonate, 3 parts of polyammonium methacrylate, 3 parts of polyethyleneimine.
[0027] The preparation method includes the following steps:
[0028] Weigh the above materials according to the stated ratio, mix and stir them evenly, melt them in a high-temperature frit furnace at 1330°C for 1.5 hours, and then perform microwave sintering at a temperature of 1450°C and a heating rate of about 20°C / min. Keep the temperature for 15 minutes, and quench the molten liquid with cold water to obtain a highly permeable porous ceramic membrane.
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