Preparation methods of illite/montmorillonite clay nanometer slurry and illite/montmorillonite clay nanometer powder
A technology of nano-powder and smectite clay, which is applied in the field of development and preparation of nano-materials, can solve problems such as inability to prepare, and achieve the effects of reducing agglomeration, increasing distance, and high dispersion efficiency
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Embodiment 1
[0041] 1) Dry crushing: Mechanically crush natural Illuminate / Mongolian clay minerals into small pieces of Illuminate mixed layer clay minerals with a particle size of less than 5cm;
[0042] 2) Soaking: Soak the Ilmen-Mongolian mixed layer clay ore pieces obtained in step 1) with water for 12 hours to obtain Il / Mongolian clay slurry; the total mass of the slurry is 100%, wherein the solid content in the slurry is 45wt%;
[0043] 3) Pounding: Use 0.1mol / L NaOH solution to adjust the pH value of the Iraqi / Mongolian clay slurry to 8, add WF-211 dispersant, and use a sand mill disperser to disperse the slurry; among them, WF-211 disperses The addition of agent is 3wt% of solid content in the described slurry; The rotating speed of sand mill disperser is 1000rpm, and stirring time is 60min;
[0044] 4) Screening: pass the slurry after step 3) pounding and dispersion through a 500-mesh sieve to obtain the under-screen slurry;
[0045] 5) Iron removal: use a high gradient magnetic...
Embodiment 2
[0054] 1) Dry crushing: Mechanically crush natural Illuminate / Mongolian clay minerals into small pieces of Illuminate mixed layer clay minerals with a particle size of less than 5cm;
[0055] 2) Soaking: Soak the Ilmen-Mongolian mixed-layer clay ore pieces obtained in step 1) with water for 24 hours to obtain Il / Mongolian clay slurry; the total mass of the slurry is 100%, wherein the solid content in the slurry is 45wt%;
[0056] 3) Slurry: add 0.1mol / L NaOH solution to adjust the pH value of the Iraqi / Mongolian clay slurry to 10, add WF-211 dispersant, and use a sand mill disperser for slurry dispersion; among them, WF-211 dispersant The addition of agent is 1wt% of solid content in the described slurry; The rotating speed of sand mill disperser is 700rpm, and stirring time is 30min;
[0057] 4) Screening: pass the slurry after step 3) pounding and dispersion through a 500-mesh sieve to obtain the under-screen slurry;
[0058] 5) Iron removal: Use a high gradient magnetic s...
Embodiment 3
[0067] 1) Dry crushing: Mechanically crush natural Illuminate / Mongolian clay minerals into small pieces of Illuminate mixed layer clay minerals with a particle size of less than 5cm;
[0068] 2) Soaking: soak the block of Ilmen-Mongolian mixed-layer clay ore obtained in step 1) with water for 20 hours to obtain Il / Mongolian clay slurry; the total mass of the slurry is 100%, wherein the solid content in the slurry is 45wt%;
[0069] 3) Slurry: add 0.1mol / L NaOH solution to adjust the pH value of the Iraqi / Mongolian clay slurry to 9, add WF-211 dispersant, and use a sand mill disperser for slurry dispersion; among them, WF-211 dispersant The addition of agent is 2wt% of solid content in the described slurry; The rotating speed of sand mill disperser is 800rpm, and stirring time is 45min;
[0070] 4) Screening: pass the slurry after step 3) pounding and dispersion through a 500-mesh sieve to obtain the under-screen slurry;
[0071] 5) Iron removal: use a high gradient magnetic ...
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