Centaurus Metals

Jaguar Nickel Sulphide Project Development Update

Definitive Feasibility Study (DFS) completion rescheduled to mid-2023 to accommodate additional sample requirement for Pressure Oxidation and downstream solution purification testwork as off-take discussions support the Company’s nickel sulphate production path

Centaurus Metals (ASX Code: CTM, OTCQX: CTTZF) is pleased to provide an update on ongoing metallurgical testwork and other key work streams being progressed as part of the ongoing Definitive Feasibility Study (DFS) on its 100%-owned Jaguar Nickel Sulphide Project in north-eastern Brazil.


  • DFS work to date and ongoing off-take discussions strengthen the view that production of a battery-grade nickel sulphate product has clear economic advantages given the rapidly evolving market for EV-related commodities and ESG-friendly Class-1 nickel.
  • This is further supported by the significant endowment of the Jaguar deposit (MRE 730,000t of contained nickel)1and the potential for further growth (next MRE update due late October 2022).
  • With recent advancements in the Pressure Oxidation (POX) flowsheet for a nickel sulphate end-product, targeted at further capital and operating cost savings, additional concentrate sample is required for the pilot plant test work.
  • Commencement of pilot plant test work rescheduled to November 2022 to allow for additional drill core to be delivered to Australia to prepare the additional concentrate, with DFS completion now expected mid- 2023.
  • Centaurus remains well-funded with approximately $50 million in cash.
The advancement of off-take discussions, in parallel with progress on the DFS, continue to confirm the clear advantages of producing nickel sulphate at Jaguar given the dynamic market conditions for EV-related commodities and the Class-1 nickel that can delivered with a very low-emission footprint.

Recent advancements in the Pressure Oxidation (POX) process flowsheet, which offer the potential to further optimise capital and operating costs, will require the preparation of additional concentrate feed for the pilot plant work. As a result, the POX pilot plant test work is expected to commence in November 2022 to allow time for further drill core to be delivered to Australia from which additional concentrate feed can be prepared.

In line with this revised schedule, the delivery of the DFS will now occur in mid-2023 with a Final Investment Decision (FID) targeted for Q4 2023, after FEED work is sufficiently advanced to place long-lead orders and the second stage of the environmental approval process (Installation Licence) has been completed.

The environmental approval process is progressing without issue, albeit at a slightly slower pace than the Company was anticipating. Several meetings, including an initial site visit, have been held with the Environmental Agency in Para State (SEMAS) to keep them informed on project development activities.

The Company is still targeting first production in 2025, subject to confirmation of delivery timelines for long-lead items once the DFS is finalised.

Centaurus Metals Managing Director, Darren Gordon, said the additional time being taken to finalise the DFS would allow it to take advantage of enhancements to the POX process flowsheet and optimise capital and operating costs.

“We remain focused on delivering a project capable of supplying high-quality battery-grade nickel sulphate directly into the rapidly expanding EV market globally,” he said. “The economic rationale for value-adding in Brazil remains compelling, especially where the product can be delivered with an extremely low-emission footprint – which we know we can achieve at Jaguar.”

Flotation & Pilot Plant Testwork

As outlined in the ASX Release of 27 July 2022, a significant amount of flotation test work has been completed for the design of the flotation part of the overall process flowsheet design. Over 50 flotation tests have been completed, including bulk float tests, allowing the Company to prepare over 400kg of concentrate ready for pilot plant testing of the planned pressure oxidation circuit.

In conjunction with the Company’s hydrometallurgical consultants, the Company has continued to fine tune the POX process flowsheet and the pilot plant testing conditions. Development of the POX part of the process flowsheet has concentrated on maximising nickel extraction from the source nickel concentrate by testing a range of feed grind sizes, autoclave temperatures, oxygen pressure and reaction rates. This has shown that optimal nickel extraction is best achieved by controlling the rate at which the sulphides oxidise rather than maximising the rate of oxidation.

Optimising the process flowsheet with the introduction of a slurry recycle stage used to control temperature within the autoclave rather than cooling water has been shown to improve nickel extraction while also reducing the vessel volume necessary to achieve the residence time required.

Including the recycle design in the autoclave has resulted in a requirement to increase the slurry feed rate over what had been previously expected, increasing the amount of concentrate required for piloting work by ~250kg. To achieve this additional concentrate volume, further core is being sent to Australia from Brazil. The plan is to now run the pilot test from the beginning of November.

The pilot test will culminate with the delivery of nickel sulphate and other final products for product marketing as well as assisting in providing the design criteria for Ausenco to use in the development of the overall process flowsheet for the DFS.

Off-take Discussions

Off-take discussions are continuing with Vale in relation to the products to be produced from Jaguar. Vale has the right to product at arm’s length market-based pricing under the original acquisition agreement for the Jaguar Project. Centaurus retains discretion over what nickel products will be produced at Jaguar.

The introduction of the Inflation Reduction Act by the US Government has highlighted the strategic importance of energy metals like nickel and, in particular, those that can be sourced in geopolitically stable jurisdictions with a low-emission footprint.


Click here for the full ASX Release

This article includes content from Centurus Metals, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.

CTM:AU
The Conversation (0)
Blackstone Minerals

Accelerated Non-Renounceable Entitlement Offer Results

Blackstone Minerals Limited (ASX: BSX) (“Blackstone” or the “Company”) advises that the Company has completed its Accelerated Non-Renounceable Entitlement Offer as per the terms of the Prospectus dated 4 November 2024 (“Entitlement Offer”). As announced on 6 November 2024, the institutional component of the Entitlement Offer was completed raising approximately $550k from Nanjia Capital Limited and its controlled entities.

Keep reading...Show less
FPX Nickel (TSXV:FPX)

FPX Nickel


Keep reading...Show less
Nickel bars.

Nickel Price Update: Q3 2024 in Review

Nickel saw solid price momentum in the first half of the year, benefiting from investor sentiment and speculation across commodity markets that saw surge in prices for both precious and base metals.

However, price highs were short-lived as nickel supply and demand fundamentals provided pressures that saw steep declines.

Among the influences has been a supply of laterite nickel flooding the market out of Indonesia, which is a contributing factor to mine curtailments in New Caledonia, Australia, and Europe. Meanwhile, high demand for battery production in China has yet to reach levels to make up for the oversupply in the market.

Keep reading...Show less
Blackstone Minerals

Blackstone Completes Institutional Component of Entitlement Offer

Blackstone Minerals Limited (“Blackstone” or the “Company”) is pleased to announce that it has completed the institutional component (“Institutional Entitlement Offer” or “Institutional Offer”) of its partially underwritten accelerated non-renounceable pro rata entitlement offer as announced on 4 November 2024 (“Entitlement Offer” or “Offer”).

Keep reading...Show less
Blackstone Minerals

Launch of $4M Accelerated Partially Underwritten Entitlement Offer

Blackstone Minerals Limited (“Blackstone” or the “Company”) is pleased to announce that it is undertaking a partially underwritten accelerated non-renounceable pro rata entitlement offer of new fully paid ordinary shares in the Company (“Shares”) on the basis of one (1) new Share (“New Shares”) for every four (4) existing Shares held, to raise up to approximately A$4 million (before costs) (“Entitlement Offer” or “Offer”).

Keep reading...Show less

Latest Press Releases

Related News

×