Method for preparing inert aluminum oxide chemical filler from activated aluminum oxide ball industrial solid waste hazardous waste
A technology of activated alumina and ball industry, applied in the field of ceramic fillers, can solve the problems of high raw material price and cost, affecting product performance, single source of raw material, etc., achieve good mechanical properties, improve thermal conductivity and thermal shock resistance, and source of raw materials wide effect
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Embodiment 1
[0027] The method for preparing inert alumina chemical filler by using activated alumina ball industrial solid waste and hazardous waste comprises the following steps:
[0028] (1) 10 parts of α-alumina powder, 10 parts of kaolin, 3 parts of barium carbonate, 3 parts of dolomite, 10 parts of calcium bicarbonate, 3 parts of calcined talc, 8 parts of clay Put them into a ball mill respectively, carry out wet ultra-fine grinding, and then sieve to remove iron to obtain nano-ceramic slurry;
[0029] (2) the nano-ceramic mud that step (1) is obtained and the water of 300% of nano-ceramic mud quality and the graphite of 10% of nano-ceramic mud quality are mixed, stir, then be placed in the water vapor environment of 100 ℃ and keep warm for 1 hour, keep warm At the same time, continue to feed carbon dioxide gas into it and stir at the same time, add acid to control the pH value to 3, and form aluminum sol;
[0030] (3) adding zirconium sol accounting for 5% of the mass of the alumin...
Embodiment 2
[0035] The method for preparing inert alumina chemical filler by using activated alumina ball industrial solid waste and hazardous waste comprises the following steps:
[0036] (1) 40 parts of α-alumina powder, 3 parts of kaolin, 1 part of barium carbonate, 1 part of dolomite, 6 parts of calcium bicarbonate, 1 part of calcined talc, and 20 parts of clay were mixed with activated alumina ball industrial solid waste and hazardous waste raw material α-alumina powder Put them into a ball mill respectively, carry out wet ultra-fine grinding, and then sieve to remove iron to obtain nano-ceramic slurry;
[0037] (2) the nano-ceramic mud that step (1) obtains and the graphite of 500% water of nano-ceramic mud quality and nano-ceramic mud quality 5% are mixed, stir, then be placed in the water vapor environment of 110 ℃ and be incubated 2 hours, heat preservation At the same time, continue to feed carbon dioxide gas into it and stir at the same time, add acid to control the pH value to...
Embodiment 3
[0043] The method for preparing inert alumina chemical filler by using activated alumina ball industrial solid waste and hazardous waste comprises the following steps:
[0044] (1) 25 parts of α-alumina powder, 8 parts of kaolin, 2 parts of barium carbonate, 2 parts of dolomite, 7 parts of calcium bicarbonate, 2 parts of calcined talc, and 15 parts of clay were mixed with activated alumina ball industrial solid waste and hazardous waste raw material α-alumina powder Put them into a ball mill respectively, carry out wet ultra-fine grinding, and then sieve to remove iron to obtain nano-ceramic slurry;
[0045] (2) the nano-ceramic mud that step (1) is obtained and the water of 400% of nano-ceramic mud quality and the graphite of nano-ceramic mud quality 8% are mixed, stir, then be placed in the water vapor environment of 100 ℃ and be incubated 2 hours, heat preservation At the same time, continue to feed carbon dioxide gas into it and stir at the same time, add acid to control t...
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