Question

Name the process used for concentration of bauxite ore.

Answer 1

1. Bayer's process is used in the concentration of Bauxite ore $({\mathrm{Al}}_2{\mathrm{H}}_2{\mathrm{O}}_4)$
2. In this method, the aluminium ore, bauxite, is heated in a pressure vessel with a solution of Sodium hydroxide $(\mathrm{NaOH})$ at a temperature of $150°\mathrm{C}$ to $200°\mathrm{C}.$