Method for preparing functional permeable material from multi-source solid waste
A water-permeable material and functional technology, applied in the fields of concrete, artificial stone or ceramic products, and mortar, can solve the problems of high cost, damage to the environment, and low strength, and achieve the effects of increasing strength and hardness, improving pore structure, and increasing strength
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[0051] Example 1
[0052] A method of utilizing multi-source solid waste to prepare functional water-permeable material (the following consumptions are mass parts), the concrete steps are as follows:
[0053] 1) 1500 parts of sludge were pretreated with 70 parts of potassium polyacrylate and 60 parts of water-based epoxy resin, and mixed uniformly to obtain high-activity sludge;
[0054] 2) 900 parts of iron tailings are ball-milled to a particle size of ≤48 μm, and then mixed with 70 parts of sodium hydroxide solution (1 mol / L) and 120 parts of water glass to prepare a strong alkali solution to obtain high-activity iron tailings powder. ;
[0055] 3) 200 parts of coal gangue were heated to 700°C at a heating rate of 10°C / min in a muffle furnace, kept for 2 hours for calcination, then cooled naturally, and then ball-milled into coal gangue powder with a fineness of ≤17.05 μm;
[0056] 4) adding the above-mentioned high-activity sludge, high-activity iron tailing powder, coal...
Example Embodiment
[0058] Example 2
[0059] A method of utilizing multi-source solid waste to prepare functional water-permeable material (the following consumptions are mass parts), the concrete steps are as follows:
[0060] 1) utilize 70 parts of potassium polyacrylates and 60 parts of water-based epoxy resins to carry out mixing pretreatment to 1500 parts of silts to obtain highly active silts;
[0061] 2) 900 parts of iron tailings are ball-milled to a particle size of ≤48 μm, and then mixed with 70 parts of sodium hydroxide solution (1 mol / L) and 120 parts of water glass to prepare a strong alkali solution to obtain high-activity iron tailings powder. ;
[0062] 3) 190 parts of coal gangue were heated to 700°C at a heating rate of 10°C / min at room temperature, kept for 2 hours for calcination, then cooled naturally, and then ball-milled into coal gangue powder with a fineness of ≤17.05 μm;
[0063] 4) adding the above-mentioned high-activity sludge, high-activity iron tailing powder, co...
Example Embodiment
[0065] Example 3
[0066] A method of utilizing multi-source solid waste to prepare functional water-permeable material (the following consumptions are mass parts), the concrete steps are as follows:
[0067] 1) utilize 70 parts of potassium polyacrylates and 60 parts of water-based epoxy resins to carry out mixing pretreatment to 1500 parts of silts to obtain highly active silts;
[0068] 2) 900 parts of iron tailings are ball-milled to a particle size of ≤48 μm, and then mixed with 70 parts of sodium hydroxide solution (1 mol / L) and 120 parts of water glass to prepare a strong alkali solution to obtain high-activity iron tailings powder. ;
[0069] 3) 180 parts of coal gangue were heated to 700°C at a heating rate of 10°C / min at room temperature, kept for 2 hours for calcination, then cooled naturally, and then ball-milled into coal gangue powder with a fineness of ≤17.05 μm;
[0070] 4) adding the above-mentioned high-activity sludge, high-activity iron tailing powder, co...
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