Baeyer's process in METALLURGY
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Roasted ore is heated with NaOH solution at 150 degree C then sodium meta aluminate is formed . Impurity of Fe2O3 remains behind. if small amount of silica is present then it reacts with NaOH to form soluble sodium silicate. Impurities are filtered off.
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Roasted ore is heated with NaOH solution at 150 degree C then sodium meta aluminate is formed . Impurity of Fe2O3 remains behind. if small amount of silica is present then it reacts with NaOH to form soluble sodium silicate. Impurities are filtered off.
Hope it helps you !!!
<3
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