Sayona: Successful Thermal Conversion of Authier Spodumene Concentrate

Battery Metals

Sayona Mining Limited (ASX: SYA) (“Sayona” or the “Company”) is pleased to report the successful completion of a hydrometallurgical testing program on Authier lithium concentrates. As quoted in the press release: The program, performed by SGS Lakefield in Canada, demonstrated that the conversion of Authier lithium concentrate into traditionally extractable beta spodumene (a form of …

Sayona Mining Limited (ASX: SYA) (“Sayona” or the “Company”) is pleased to report the successful completion of a hydrometallurgical testing program on Authier lithium concentrates.
As quoted in the press release:

The program, performed by SGS Lakefield in Canada, demonstrated that the conversion of Authier lithium concentrate into traditionally extractable beta spodumene (a form of spodumene amenable to further processing) was achievable, at high conversion rates. Three flotation concentrate samples were transformed from alpha to beta spodumene in a decrepitating kiln. The lithium was the extracted from lithium sulphate through sulphuric acid roasting and then leached with water to be transformed into aqueous lithium sulphate – further purification is required to produce a lithium carbonate end product. Up to 96.8% of the lithium was recovered in the process (Table 1) from a 5.98% Li20 concentrate.

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