A kind of technological method of recovering potassium feldspar from potassium-rich slate
A technology of potassium-rich slate and process method, applied in chemical instruments and methods, solid separation, flotation and other directions, can solve the problems of influence, high roasting slag content, low potassium content in ore, etc., to reduce the amount of slag, The effect of optimizing the combination ratio and improving the utilization rate
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[0052] The technological method of reclaiming potassium feldspar in embodiment, potassium-rich slate
[0053] Step 1. Processing of raw materials
[0054] The potassium-rich slate is crushed in three stages of coarse crushing, medium crushing and fine crushing, and the particle size of the crushed product is -3mm;
[0055] Step 2. Grinding
[0056] Grinding the above crushed products, the particle size of the grinding products is -0.074mm, accounting for 81.4%;
[0057] Step 3, carrying out a section of magnetic separation on the above-mentioned grinding product under the condition of a magnetic field strength of 179.1kA / m, to obtain magnetic separation concentrate and magnetic separation tailings;
[0058] After testing, the sulfur content in the magnetic separation concentrate is 10.41%, and the recovery rate is 44.50%; the potassium oxide content in the magnetic separation tailings is 10.70%, the potassium oxide recovery rate is 95.33%, and the sulfur content is 1.41%;
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