BEIJING (Asian Metal) 11 Jun 19 – On May 28, Australian Vanadium Limited provided an update on the metallurgical testwork currently underway for The Australian Vanadium Project including the production of high purity vanadium pentoxide using methods typical of those planned for the final project.
High Purity 99.4% Vanadium Pentoxide (V2O5) has been produced from pre-pilot testwork. Product quality is comparable to standard products from existing global producers.
Latest roast-leach process testing demonstrates the dual benefits of pelletising and increased roasting temperatures. Bench scale optimization tests show a significant improvement in vanadium roast leach extraction compared to the basis applied in the PFS.
The pilot testwork program is advancing as planned. The Crushing Milling and Beneficiation (CMB) circuit continuous testing on 1 x 4 tonne and 2 x 10 tonne typical mine life material blends is due for completion in early July 2019. Representative concentrate samples will proceed immediately to pilot scale roast-leach and hydrometallurgical refining testwork (Q3 and Q4, 2019).
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