Premier’s Major Investment in Zulu Lithium Project
Premier African Minerals, a London Stock Exchange-listed junior mining company, has invested nearly $75 million in transforming the Zulu lithium project near Bulawayo, Zimbabwe, into a fully operational mine. This significant investment underscores Premier’s commitment to optimizing the project’s processing capabilities and expanding its operational efficiency.
Final Plant Modifications and Future Optimism
Premier African Minerals has been focused on refining its lithium spodumene processing system. The company is optimistic that the latest modification—a new tank conditioning system—will be the final adjustment required to enhance processing efficiency.
“Premier sincerely hopes the conditioning tank will be the last plant modification. The Board remains confident about the prospects for Zulu. At this time, the development of Zulu into a complete mine has cost the company nearly US$75 million. This investment and the deemed valuation of Zulu agreed with our take-off partner are not reflected in our current market capitalization,” commented George Roach, Premier African Minerals CEO.
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Streamlined Shipment Process
Premier has also introduced a more efficient method for handling lower-grade concentrates. These will now be sold on an ex-mine gate basis, contingent on independent laboratory analysis in South Africa. Payment will be made immediately once conditions are met, eliminating the need for Zulu to cover transport and shipping costs, thereby providing a cash flow benefit.
Optimization of the Zulu Plant
The flotation circuits at Zulu have been optimized following the resolution of design deficiencies related to the classification of milled material. The essential conditioning tank, expected to be commissioned by July 10, 2024, is a key part of this optimization. The company plans to review the entire plant in detail in the upcoming Annual Financial Statements, due for release on June 28, 2024.
Milling Circuit and Hydrosizers
The installation of a new ball mill and the resolution of comminution circuit deficiencies have demonstrated that only one hydrosizer is necessary. Production from the mill and single hydrosizer now exceeds the 37.5-ton-per-hour capacity of the flotation plant. Running these components continuously could potentially double the flotation feed, offering significant capital cost savings for future capacity increases.
Ore Body, Mining, and Ongoing Pit Development
Test work to identify the correct sorter solution has commenced. In the meantime, careful management of the pit and ongoing inspection of ROM ore will suffice. Zulu also accepts a small percentage of ore from other claims within its EPO area from a local miner, supporting local employment. However, Zulu is not dependent on this external supply. The ongoing pit development has revealed that in situ grades exceed those declared in Zulu’s independent resource estimate.
Water Supply Management
Due to the ongoing drought in Zimbabwe, Zulu has taken significant steps to manage its water supply effectively. The original water balance was understated, prompting several mitigation measures:
- Arranged access to additional dams near Zulu in December 2022.
- Increased return water recovery from Zulu’s tailings dam.
- Reconfigured in-plant process water reticulation, including installing a thickener.
- Constructed an additional large-capacity reservoir at the plant.
Premier African Minerals’ substantial investment and strategic optimizations at the Zulu lithium project highlight the company’s commitment to operational excellence and sustainability. With these enhancements, Premier is well-positioned to capitalize on the growing demand for lithium and strengthen its market presence.
