Carbon crystal composite microporous ceramic filter core and preparation method thereof
A technology of microporous ceramics and filter elements, which is applied in the field of carbon crystal composite microporous ceramic filter elements and its preparation, can solve problems such as single function, and achieve the effects of high purification efficiency, small pressure loss, and long service life
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[0012] A carbon crystal composite microporous ceramic filter element, made of the following parts by weight (kg) of raw materials:
[0013] Light calcium carbonate 12, kaolin 12, diatomaceous earth 9, bamboo charcoal powder 10, charcoal powder 6, straw ash 2, celestite powder 12, talc powder 8, mica powder 5, chlorinated paraffin 10, ethanol 14, modified bentonite 35. Appropriate amount of water.
[0014] The modified bentonite is prepared by the following method:
[0015] Put the bentonite into 490-520℃ for calcination for 3-4 hours, take it out, cool it, soak it in a 10-12% hydrochloric acid solution for 3-4 hours, take it out, wash it with pure water, dry and grind it into powder; then add the equivalent In the bentonite weight 40% aluminum nitride, 3% alum powder, 3% zeolite powder, 18% Tianji yellow powder, mix and stir for 30-40 minutes, and then spray the equivalent of 5% of the bentonite weight Triethoxysilane is stirred at 12000-15000 rpm for 60-80 minutes to...
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