Chemistry, asked by VenkiDOP8720, 1 year ago

How can you separate aluminium from silica in a bauxite ore associated with silica give equation if any?

Answers

Answered by Chulbulkumari

0

Answer:

To separate alumina from silica in bauxite ore associated with silica, first the powdered ore is digested with a concentrated NaOH solution at 473 - 523 K and 35 - 36 bar pressure. This results in the leaching out of alumina (Al2O3) as sodium aluminate and silica (SiO2) as sodium silicate leaving the impurities behind.

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