Aluminum trichloride (anhydrous) sublimation purification and preparation method
An anhydrous aluminum trichloride, aluminum trichloride technology, applied in aluminum chloride, aluminum halide and other directions, can solve the problem of large-scale production of lithium-thionyl chloride batteries, difficulty in preparing lithium battery electrolytes, and high material prices. The problem of high and low, to achieve the effect of good equipment cost control, production cost reduction, production cost and price reduction
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[0013] Aluminum trichloride is thermally sublimated using an aluminum container. Use a 50-liter aluminum alloy pressure cooker as the sublimation vessel. Open the top cover, add 20-30Kg of aluminum trichloride containing impurities at a time, close the top cover and press the sealing card, the sublimation container is heated at 183-280 ° C, the aluminum trichloride is melted, and the impurities such as moisture and hydrogen sulfide are discharged through a vacuum pump Then, seal, dry and cool to obtain 17-26Kg of analytically pure anhydrous aluminum trichloride.
[0014] Aluminum alloy pressure cooker adopts high temperature resistant sealing material. The aluminum alloy pressure cooker is equipped with an exhaust valve.
[0015] The invention fully considers the corrosion resistance effect of the living container made of metal aluminum on aluminum trichloride, the volume of the Shenghua process instrument can be made larger to improve the production capacity, the temperatur...
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