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Bauxite Grinding Impurities

bauxite ore processing plant,bauxite is main material in aluminium making. silica is main detrimental impurities in alumina making. bauxite ores has many uses and the most important one is that bauxite is used as metal aluminium refining and refractory material and abrasive materials and.conversion of bauxite ore to elmhurst university,the bauxite is purified by the bayer process. first the ore is mixed with a hot concentrated solution of sodium hydroxide. the naoh will dissolve the oxides of aluminum and silicon but not other impurities such as iron oxides, which remains insoluble. the insoluble materials are removed by filtration..

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