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King River Resources progresses PFS for Speewah Specialty Metals Project

The company plans to release the PFS in the near-term once further test work is completed.

King River Resources Ltd - King River Resources progresses HPA PFS for Speewah Specialty Metals Project
The SSM project will be scaled up to high purity alumina production

King River Resources Ltd (ASX:KRR) is progressing with the pre-feasibility study (PFS) for its 100%-owned Speewah Specialty Metals (SSM) Project in Western Australia.

The company achieved a major breakthrough last month by producing its first greater than 99.99% aluminium oxide high purity alumina (4N HPA) using feedstock from the project.

King River will initially scale the SSM project to HPA production, with vanadium pentoxide, titanium dioxide and iron oxide as co-products at a later stage - but not part of the PFS.

This should significantly reduce the size of the project, with the potential to reduce the capex and maximise returns.

Test work continues

Further hydrometallurgical work has continued, with the HPA PFS to be finalised on completion of the following tests, including:

  • Repeating the 4N HPA product test on a larger sample to provide additional product for verification analyses;
  • An independent umpire assay of the 4N HPA result;
  • New equipment trials to increase the calcination temperature to ensure the HPA phase is all alpha-alumina;
  • Confirm the HPA is 100% alpha-alumina by an X-Ray Diffraction (XRD) analysis; and
  • Increase the Stage 2 purification efficiency.

PFS release pending

In addition, the CSA Global mining study and Como Engineers plant and infrastructure design and costings are largely completed waiting on final model validation and review.

The company aims to release the PFS as soon as practicable on completion of these remaining outcomes.

KRR shares have been as much as 16% higher to 5.8 cents intra-day.

Quick facts: King River Resources Ltd

Price: 0.034 AUD

Market: ASX
Market Cap: $52.82 m

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