MINERAL PROCESSING: Critical Elements produces battery grade lithium carbonate from Rose project

QUEBEC – Critical Elements Corp. of Montreal says that spodumene flotation concentrate from its Rose tantalum-lithium property in the James Bay area has been used in tests to produce 99.9% battery grade lithium carbonate. The 91% recovery...

QUEBEC – Critical Elements Corp. of Montreal says that spodumene flotation concentrate from its Rose tantalum-lithium property in the James Bay area has been used in tests to produce 99.9% battery grade lithium carbonate. The 91% recovery of lithium carbonate is expected to grow to 94% with further test work.

The company is putting particular emphasis on the purity of the lithium carbonate produced. The intent is to have all of the lithium carbonate output meeting battery grade specifications. To merit the "battery grade" designation, lithium carbonate product must meet a minimum 99.5% level.

Other tests are being carried out on the recovery of tantalum or production of pure tantalum oxide from concentrate. The work is being done by Acme Metallurgical of Vancouver.

Information, resource diagrams and photos of drill core are posted at CECorp.com.

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