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
C01F7/0673—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 phosphate-containing minerals
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Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
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Verfahren zur Gewinnung von reinem Aluminiumoxyd mittels Salzsäure-Lixiviation von Aluminium enthaltenden Mineralien und Extraktion der Verunreinigungen mittels einer Behandlung mit Schwefelsäure
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