Sarytogan Graphite soars on achieving 99.87% graphite purity in metallurgical testing
Proactive Investors
Published Dec 06, 2022 11:35
Updated Dec 06, 2022 12:00
Sarytogan Graphite soars on achieving 99.87% graphite purity in metallurgical testing
Sarytogan Graphite Ltd (ASX:SGA) has soared following a metallurgical breakthrough by the company and laboratory partner Pro-Graphite, producing graphite of 99.87% purity, just shy of the threshold for electric vehicle batteries at 99.95%.
The high grade of graphite produced is a promising sign at this stage of initial metallurgical testing on ore from the Sarytogan Graphite Deposit in Central Kazakhstan, boding well for further optimisation efforts to come.
"Breakthrough result"
“Sarytogan is thrilled with this breakthrough metallurgical result by our German laboratory partner Pro-Graphite. The graphite purities achieved are a significant step towards battery anode specification,” Sarytogan Graphite managing director Sean Gregory said.
“Sarytogan’s giant high-grade mineral resource is now complemented by its’ premium micro-crystalline high-purity product, credentials that now elevate the project to be a potential answer to the world’s projected battery anode material shortage.”
Investors have also demonstrated their satisfaction with the results, sending shares as much as 42.63% higher this morning to $0.435.
Metallurgical progress so far
Overall, SGA and Pro-Graphite were able to achieve 99.70% total graphitic carbon (TGC) via low-temperature alkaline roasting as well as a separate chemical purification process.
Combining both of these processes achieved 99.87% TGC and Sarytogan is targeting optimisation of its current processes and further refinement through the spheroidisation process, which creates a fine powder of spheroid-shaped graphite suitable for EV batteries.
Current progress of flow sheet development and graphite purity.
From here SGA will focus on further optimisation of the purification process, spheroidisation test-work, a mineral resource upgrade and economic studies.
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