Which is best method for leaching of bauxite ore of aluminium, containing impurities of iron oxide?

Question

Which is best method for leaching of bauxite ore of aluminium, containing impurities of iron oxide? (A) Electrolytic reduction (B) Halt and Heroult process (C) Baeyer's process (D) Serpeck's process

Tardigrade Admin · Accepted Answer

For the leaching of red bauxite which contains iron oxide as impurity Baeyer's process is used. For the purification of white bauxite which contains silica as the main impurity Serpeck's process is used.

Q. Which is best method for leaching of bauxite ore of aluminium, containing impurities of iron oxide?

Electrolytic reduction

Halt and Heroult process

Baeyer's process

Serpeck's process

For the leaching of red bauxite which contains iron oxide as impurity Baeyer's process is used. For the purification of white bauxite which contains silica as the main impurity Serpeck's process is used.