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Publication of BE453166ApublicationCriticalpatent/BE453166A/fr
C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
C01F7/06—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
C01F7/0613—Pretreatment of the minerals, e.g. grinding
C—CHEMISTRY; METALLURGY
C01—INORGANIC CHEMISTRY
C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
Procede de purification de solutions contenant des carbonate, sulfate, eventuellement hydroxyde de sodium ou potassium, ainsi que l'un au moins des metaux, vanadium, uranium, molybdene
Procede d'extraction de l'arsenic a partir de solutions contenant des carbonates, sulfates, eventuellement de l'hydroxyde alcalin ainsi que l'un au moins des metaux vanadium uranium et molybdene
Procede de purification de solutions contenant des carbonate et sulfate alcalins, eventuellement de l'hydroxyde alcalin ainsi que l'un au moins des metaux, vanadium, uranium etmolybdene