How aluminum is made - material, manufacture, making, used .The Bayer process for refining aluminum ore, developed in 1888 by an . Naturally occurring cryolite was once mined in Greenland, but the compound is now . The cost of electricity represents about one-third of the cost of smelting aluminum.costing process of aluminum mining,aluminum processing | BritannicaOct 30, 1998 . Aluminum processing, preparation of the ore for use in various products. Rolls . the cost of the chemical process for producing the metal was too high to .. Approximately 90 percent of all bauxite mined is refined into alumina,.
costing process of aluminum mining