85640 ⎘
Compounds of aluminium; Aluminium oxide; Aluminium hydroxide; Aluminates; Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from sulfate-containing minerals, e.g. alunite