Method for directly preparing electrolyte melt containing anhydrous magnesium chloride by using magnesium oxide
A technology of anhydrous magnesium chloride and magnesium oxide, which is applied in the direction of magnesium chloride and magnesium halide, can solve the problems of low utilization rate of gas chlorinating agent, low utilization rate of gas chlorinating agent, and difficult uniform dispersion of gas, so as to reduce environmental protection investment The effect of cost reduction, shortened production process, and easy operation and control
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Embodiment 1
[0070] 21.0 g of magnesium oxide and 84.6 g of ammonium chloride were equally added to six 50 ml crucibles and uniformly mixed to obtain a mixture. Then, 97.8 g of potassium chloride was equally added to six 50 ml crucibles, and the temperature was raised to 780° C. to form a molten state, thereby obtaining a molten liquid. The melt was then slowly poured into a crucible containing a mixture of magnesia and ammonium chloride so that the melt completely covered the mixture. Put a lid on the crucible and let it stand at room temperature for 2-3 minutes, then put it into a furnace at 720° C. for 1.5 hours, and thus obtain 147.7 g of an electrolyte melt containing anhydrous magnesium chloride. In this embodiment, based on the addition of 1.00 parts by weight of magnesium oxide, the addition of ammonium chloride is 4.03 parts by weight, and the addition of potassium chloride is 4.66 parts by weight.
[0071] The resulting anhydrous magnesium chloride-containing electrolyte melt wa...
Embodiment 2
[0076] 21.0 g of magnesium oxide and 84.6 g of ammonium chloride were equally added to six 50 ml crucibles and uniformly mixed to obtain a mixture. Then, 76.8 g of sodium chloride was added to six 50 ml crucibles on average, and the temperature was raised to 810° C. to form a molten state, thereby obtaining a molten liquid. The melt was then slowly poured into a crucible containing a mixture of magnesia and ammonium chloride so that the melt completely covered the mixture. After the crucible was covered and allowed to stand at room temperature for 2-3 minutes, it was placed in a furnace at 720° C. for 1.5 hours, and 126.7 g of an electrolyte melt containing anhydrous magnesium chloride was obtained. In this embodiment, based on the addition of 1.00 parts by weight of magnesium oxide, the addition of ammonium chloride is 4.03 parts by weight, and the addition of sodium chloride is 3.66 parts by weight.
[0077] The resulting anhydrous magnesium chloride-containing electrolyte ...
Embodiment 3
[0082] 21.0 g of magnesium oxide and 84.6 g of ammonium chloride were equally added to six 50 ml crucibles and uniformly mixed to obtain a mixture. Then, 167.4 g of potassium chloride and 131.4 g of sodium chloride were averagely added to six 50 ml crucibles, and the temperature was raised to 750° C. to form a molten state, thereby obtaining a molten liquid. The melt was then slowly poured into a crucible containing a mixture of magnesia and ammonium chloride so that the melt completely covered the mixture. Put a lid on the crucible and let it stand at room temperature for 2-3 minutes, then put it into a furnace at 720° C. for 1.5 hours, and thus obtain 348.7 g of an electrolyte melt containing anhydrous magnesium chloride. In this embodiment, based on the addition of magnesium oxide as 1.00 parts by weight, the addition of ammonium chloride is 4.03 parts by weight, the addition of potassium chloride is 7.97 parts by weight, and the addition of sodium chloride is 6.26 parts by...
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