Potassium fluoride,anhydrous
           Potassium fluoride,extra pure
           Potassium fluoride,Granular
           Silicon Dioxide
           Hydrofluoric acid
           Synthetic Cryolite
           Potassium Fluoaluminate
           Ammonium bifluoride
           Potassium Bifluoride
           Aluminium fluoride
           Sodium fluoride
           Potassium Fluorosilicate
           Fluorosilicic Acid
           Sodium silicofluoride
           Potassium Hydroxide Flakes
           Magnesium Fluoride
           Magnesium fluorosilicate
           Barium Fluoride
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Electrolytic aluminum production can be added by adding lithium salt to improve the state of the electrolyte and reduce the initial crystallization temperature of the electrolyte, so as to achieve higher current efficiency. But the domestic alumina impurities in the more poor solubility, with the growth of the age. This kind of alumina is used as the raw material for electrolytic cell. Lithium and potassium are enriched, the electrolyte composition becomes complicated, the degree of superheat increases and the technical condition remains difficult. This paper focuses on the long-term accumulation of lithium fluoride and potassium fluoride