CPC C01F 7/306 (2013.01) [B01D 61/422 (2013.01); C01F 7/62 (2013.01); B01D 2257/60 (2013.01)] | 20 Claims |
1. A method for the production of aluminum oxide comprising the steps:
providing an aluminum salt in an initial aluminum salt solution;
subjecting the initial aqueous aluminum salt solution to electrodialysis to remove non-aluminum monovalent and/or multivalent cations from the initial aqueous aluminum salt solution, wherein a purified aqueous aluminum salt solution is produced with a reduction of non-aluminum monovalent and/or multivalent cations from the initial aqueous aluminum salt solution; and subjecting the purified aluminum salt solution to heating to provide aluminum oxide.
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