Abstract
The necessity for the processing of Russian low-silica aluminum-containing ores is considered. The promising acid technology of the processing of domestic aluminum-containing ores for the production of metallurgical alumina is examined. The Troshkovskoe deposit of fireclays is proposed as an object of inquiry, and its characteristic features are studied. The possibility of the hydrochloric acid break down of high-silica aluminum-containing raw materials is considered, and the advantages of this method are indicated. The optimum conditions for the electrochemical refining of an aluminum chloride solution from iron impurities are proposed. 70–95% current efficiency with respect to iron can be achieved.
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