| 1 | The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced. | |
| 2 | In this paper, a new method of manufacturing cryolite from liquid waste of lithium factory was developed. | |
| 3 | Alumina dissolution in cells with point feeders proceeds with intermediate cryolite formation. | |
| 4 | It involves dissolving alumina in molten cryolite, and electrolysing the molten salt bath to obtain pure aluminium metal. | |
| 5 | To recover aluminium from dross, a more reactive flux containing cryolite or some other fluoride may be used. |
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