CPC Subgroup
C01F 7/04 Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence)
Full Title
Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom (C01F7/028 takes precedence)
7 direct subcodes
Child Classifications
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- C01F 7/043 Lithium aluminates
- C01F 7/046 Stabilisation of aluminates
- C01F 7/06 by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process (obtaining aluminium oxide or hydroxide from the resulting aluminate solution C01F7/14)
- C01F 7/08 by treating aluminous minerals with sodium carbonate, e.g. sinter processes (C01F7/0613, C01F7/066 take precedence)
- C01F 7/10 by treating aluminous minerals with alkali sulfates and reducing agents
- C01F 7/12 Alkali metal aluminates from alkaline-earth metal aluminates
- C01F 7/14 Aluminium oxide or hydroxide from alkali metal aluminates