Fused alumina, fused alumina, also known, which is based on alumina or calcined bauxite as raw material, the electric arc furnace and the molten metal and is separated from other impurities in a reducing atmosphere, and then condensed in the system.Molten aluminum is certainly not hard to sandblasting material prepare a mixture of elemental aluminum from bauxite industrial electrolysis of molten cryolite can speculate to impossible. As zirconium oxide, also think not, because melted molten liquid means, according to the definition of the flow of liquid is, if it is hard, it is not called a liquid.Study the electrolytic production of an important issue - alumina dissolved in molten cryolite, observation records and research by the synthetic diamond phenomenon, comparing the different manufacturers at home and abroad white aluminum oxide in cryolite solution performance, and found that the process of dissolution comprises three stages: a melt surface of the electrolyte / white aluminum oxide agglomerates are formed; caking decomposition and dissolution of alumina dissolved in the electrolyte white aluminum oxide and particles settling in the body, the groove bottom of the alumina dissolved. 
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