Application of efficient inhibitor 5'-ATP-2Na in magnesite direct flotation decalcification
A technology of -atp-2na and magnesite, applied in flotation, solid separation, etc., can solve the problem of hindering the comprehensive utilization of low-grade magnesite, high calcium content of magnesite concentrate products, and magnesite flotation Calcium difficulty and other problems, to achieve good industrial feasibility, reduce calcium content, easy operation and operation
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Embodiment 1
[0042] The application of a high-efficiency inhibitor 5'-ATP-2Na in the decalcification of magnesite positive flotation, the process flow diagram is shown in figure 1 , Including the following steps:
[0043] Step 1: Grinding
[0044] The high-calcium and low-grade magnesite ore nuggets are crushed to a particle size of less than 2mm by a counter-roll crusher, and the ceramic ball mill is used for ball milling to obtain magnesite ore powder; Magnesite ore powder, the mass of magnesite particles smaller than 74μm accounts for 70% of the total mass of magnesite ore powder;
[0045] Step 2: Mix the pulp
[0046] Place the above-mentioned magnesite ore powder in the flotation tank of a single-tank flotation machine, add deionized water and the inhibitor 5'-ATP-2Na solution with a molar concentration of 0.015mol / L, and stir for 3min to mix evenly. The slurry is adjusted to obtain the magnesite slurry; among them, for the magnesite slurry, the mass percentage concentration of the magnesit...
Embodiment 2
[0054] The application of a high-efficiency inhibitor 5'-ATP-2Na in the decalcification of magnesite positive flotation includes the following steps:
[0055] Step 1: Grinding
[0056] The high-calcium and low-grade magnesite ore nuggets are crushed to a particle size of less than 2mm by a counter-roll crusher, and the ceramic ball mill is used for ball milling to obtain magnesite ore powder; Magnesite ore powder, the mass of magnesite particles smaller than 74μm accounts for 75% of the total mass of magnesite ore powder;
[0057] Step 2: Mix the pulp
[0058] Place the above-mentioned magnesite ore powder in the flotation tank of a single-tank flotation machine, add deionized water and the inhibitor 5'-ATP-2Na solution with a molar concentration of 0.02mol / L, and stir for 3 minutes to mix evenly. The slurry is adjusted to obtain magnesite slurry; among them, for magnesite slurry, the mass percentage concentration of magnesite solid is 20%; the amount of inhibitor 5'-ATP-2Na added ac...
Embodiment 3
[0065] The application of a high-efficiency inhibitor 5'-ATP-2Na in the decalcification of magnesite positive flotation includes the following steps:
[0066] Step 1: Grinding
[0067] The high-calcium and low-grade magnesite ore nuggets are crushed to a particle size of less than 2mm by a counter-roll crusher, and the ceramic ball mill is used for ball milling to obtain magnesite ore powder; Magnesite powder, the mass of magnesite particles smaller than 74μm accounts for 80% of the total mass of magnesite powder;
[0068] Step 2: Mix the pulp
[0069] Place the above-mentioned magnesite ore powder in the flotation tank of a single-tank flotation machine, add deionized water and the inhibitor 5'-ATP-2Na solution with a molar concentration of 0.018mol / L, and stir for 3min to mix evenly. The slurry is adjusted to obtain magnesite slurry; among them, for magnesite slurry, the mass percentage concentration of magnesite solid is 20%; the amount of inhibitor 5'-ATP-2Na added to the molar c...
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