Give the chemical reactions involved in the leaching of alumina from bauxite.

 

 

Answers (1)
S safeer

Chemical reactions involved in the leaching of alumina from bauxite is as follows- 

Al2O3 + 2NaOH +3H2O \rightarrow 2Na[Al(OH)4]

2Na[Al(OH)4] + CO2 \rightarrow Al2O3.xH2O + 2NaHCO3

Al2O3.xH2O \rightarrow Al2O3 + xH2O

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