Low grade fluorite and barite flotation separation method
A separation method and barite technology, applied in flotation, solid separation, etc., can solve the problems of increasing tailings storage pressure, waste of resources, etc., and achieve the effects of less energy consumption, less dosage of chemicals, and simple process structure
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Embodiment 1
[0026] 1. Mineral raw materials:
[0027] The content of fluorite in the ore used is 33.92%, that of barite is 35.33%, that of gangue mineral silicon dioxide is 13.67%, and there is also a small amount of calcium carbonate.
[0028] 2. Flotation agents and operating conditions:
[0029] Water glass 300g / t 10% aqueous solution
[0030] Oleic acid 500g / t direct stock solution addition
[0031] Starch 50g / t 1% aqueous solution
[0032] Sodium sulfate 500g / t 5% aqueous solution
[0033] Hydrochloric acid 300g / t 10% aqueous solution
[0034] Sodium hexametaphosphate 300g / t 5% aqueous solution
[0035] During flotation, use sulfuric acid to adjust the pH of the pulp to 6-7. During the flotation process, first add water glass to the grinding machine to grind the ore until the mineral monomers are dissociated, and then add acid to the flotation machine for fluorite , Barite mixed flotation to get mixed concentrate, and then add barite inhibitor to inhibit the barite, after seven...
Embodiment 2
[0037] 1. Mineral raw materials
[0038] The content of fluorite in the ore is 40.14%, that of barite is 34.67%, that of silicon dioxide is 15.78%, and that of calcium carbonate is 3.54%.
[0039] 2. Flotation agents and operating conditions:
[0040] Water glass 400g / t 10% aqueous solution
[0041] Oleic acid 700g / t direct stock solution addition
[0042] Starch 60g / t 5% aqueous solution
[0043] Sodium sulfate 700g / t 10% aqueous solution
[0044] Hydrochloric acid 400g / t 20% aqueous solution
[0045] Sodium hexametaphosphate 350g / t 10% aqueous solution
[0046] During flotation, the pH value of the pulp is 6-7; in the flotation process, first add water glass to the ore grinder to grind the ore until the mineral monomers are dissociated, and then add acid to the flotation machine for fluorite and barite Mixed flotation of rocks to get mixed concentrate, and then add barite inhibitor to inhibit barite, after eight times of beneficiation to get fluorite concentrate, and s...
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