Leaching process of magnesium ions in serpentine
A technology of serpentine and magnesium ions, which is applied in the field of hydrometallurgy, can solve the problems of high energy consumption, low extraction efficiency, equipment corrosion, etc., and achieve the goal of reducing the degree of corrosion, reducing economic and environmental costs, and prolonging the service life Effect
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Embodiment 1
[0033] A kind of leaching process of magnesium ion in serpentine, operation such as figure 1 shown, including the following steps:
[0034] (1) Under normal pressure, weigh 15g of the serpentine ore sample to be treated and put it into a beaker, add a leaching agent at a liquid-solid ratio of 4:1 by mass, pour it into a three-necked flask after mixing, and add the leaching agent sulfuric acid The amount is 1.1 times of the theoretical amount; place the three-neck flask in a water bath at 90°C, and stir continuously at a speed of 300r / min;
[0035] (2) After stirring for 3min, add leaching aid fluorite ore powder, the fluorite ore powder add-on is 1% of the serpentine ore sample quality; keep stirring, after the ore sample is leached for 2h, it is filtered and rinsed, The leaching solution was recovered, and then the leaching residue was dried, weighed, sample-prepared, tested, and the leaching rate was calculated; the leaching rate of magnesium oxide was 88.10%.
Embodiment 2
[0037] A process for leaching magnesium ions in serpentine, comprising the steps:
[0038] (1) is identical with step (1) reaction condition among the embodiment 1;
[0039] (2) After stirring for 3min, add leaching aid fluorite ore powder, the fluorite ore powder add-on is 3% of the serpentine ore sample quality; keep stirring, after the ore sample is leached for 2h, it is filtered, rinsed, The leaching solution was recovered, and then the leaching residue was dried, weighed, sample-prepared, tested, and the leaching rate was calculated; the leaching rate of magnesium oxide was 90.46%.
Embodiment 3
[0041] A process for leaching magnesium ions in serpentine, comprising the steps:
[0042] (1) is identical with step (1) reaction condition among the embodiment 1;
[0043] (2) After stirring for 3min, add leaching aid fluorite ore powder, the fluorite ore powder add-on is 5% of the serpentine ore sample quality; keep stirring, after the ore sample is leached for 2h, it is filtered, rinsed, The leaching solution was recovered, and then the leaching residue was dried, weighed, sample-prepared, tested, and the leaching rate was calculated; the leaching rate of magnesium oxide was 94.88%.
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