How Aluminum is Produced Mineral
The production of the metal Aluminum from the raw ore of Bauxite is a two stage process. Stage 1. Converting Bauxite to Alumina . STEP 1 Crushing and Grinding: Alumina recovery begins by passing the bauxite through screens to sort it by size. It is then crushed to produce relatively uniformly sized material. This materials is fed into a large grinding mill where it is mixed with a caustic ...