Method for preparing light sewage treatment material
A sewage treatment, lightweight technology, applied in chemical instruments and methods, chemical/physical processes, physical/chemical process catalysts, etc. problems, to achieve obvious economic and environmental benefits, large specific surface area, and the effect of being conducive to waste utilization
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Embodiment 1
[0027] Step 1: Preparation of Catalyst Carriers with Through-Glass Holes
[0028] First, the waste flat glass is cleaned, dried and ball-milled to 300 mesh, then 73% of the ball-milled glass powder, 12% of borax, 4.5% of basic magnesium carbonate, 4.0% of zirconia are taken by mass fraction, 3.5% aluminum hydroxide and 3.0% sodium nitrate are put into the ball mill jar to make batch;
[0029] Secondly, in the ball mill tank, add polyvinyl alcohol of batch quality 3%, 0.1% carboxymethyl cellulose and 8% distilled water ball mill for 1 hour to make slurry;
[0030] Then set the density to 10kg / m 3Immerse the plastic foam sponge in the slurry. After the plastic foam sponge is completely immersed in the slurry, take it out and put it on the refractory material, and move it into the muffle furnace. Burn according to the following firing system: in the drying stage, the heating rate is 1 ℃ / min, heat up from room temperature to 200°C and hold for 2 hours; in the sponge burning stag...
Embodiment 2
[0042] Step 1: Preparation of Catalyst Carriers with Through-Glass Holes
[0043] First, the waste flat glass is cleaned, dried and ball-milled to 260 mesh, then 73% of the ball-milled glass powder, 12% of borax, 4.5% of basic magnesium carbonate, 4.0% of zirconia are taken by mass fraction, 3.5% aluminum hydroxide and 3.0% sodium nitrate are put into the ball mill jar to make batch;
[0044] Secondly, in the ball mill tank, add polyvinyl alcohol of batch quality 3%, 0.2% carboxymethyl cellulose and 8% distilled water ball mill for 1.2 hours to make slurry;
[0045] Then the density is 12kg / m 3 Immerse the plastic foam sponge in the slurry. After the plastic foam sponge is completely immersed in the slurry, take it out and put it on the refractory material, and move it into the muffle furnace. Burn according to the following firing system: in the drying stage, the heating rate is 1 ℃ / min, heat up from room temperature to 200°C and hold for 2.1 hours; in the sponge burning st...
Embodiment 3
[0056] Step 1: Preparation of Catalyst Carriers with Through-Glass Holes
[0057] First, the waste flat glass is cleaned, dried and ball-milled to 280 meshes, then 73% of ball-milled glass powder, 12% of borax, 4.5% of basic magnesium carbonate, 4.0% of zirconia are taken by mass fraction, 3.5% aluminum hydroxide and 3.0% sodium nitrate are put into the ball mill jar to make batch;
[0058] Secondly, in the ball mill tank, add polyvinyl alcohol of batch quality 4%, 0.2% carboxymethyl cellulose and 8% distilled water ball mill for 3 hours to make slurry;
[0059] Then the density is 30kg / m 3 Immerse the plastic foam sponge in the slurry. After the plastic foam sponge is completely immersed in the slurry, take it out and put it on the refractory material, and move it into the muffle furnace. Burn according to the following firing system: in the drying stage, the heating rate is 1 ℃ / min, heat up from room temperature to 200°C and hold for 3 hours; in the sponge burning stage, t...
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