Firstly, the limestone is ground fine, PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC technology according to the mass ratio of lithium mineral and limestone at 1∶3.05~3.15, and a certain calcium oxide (40%~42%) to prepare qualified raw pulp. Then the raw slurry is put into the rotary kiln at a certain temperature for a series of physical and chemical changes, so that the lithium in the mineral is converted into a water-soluble compound.
The leaching process removes the insoluble impurities, filters and separates them to obtain the leaching solution mainly composed of lithium compounds. CO2 gas or waste furnace gas is injected into the leaching solution to carbonize lithium, so that lithium precipitates out in the form of insoluble carbonate. After washing, drying, PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC iron removal to obtain lithium carbonate products.
The main advantage of the lime method PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC is that practicality is common, as it is suitable for the decomposition of almost all lithium minerals. The process does not require scarce reagents (a natural product, limestone, is used for decomposition); Coal, oil or gas may be used as fuel. The disadvantage is that the lithium content in the leaching solution is low, the evaporation energy consumption is large, the recovery rate of lithium is low, and the sludge obtained after leaching has cohesion, which brings difficulties to the maintenance of the equipment.
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