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King River Resources (ASX: KRR) Turbocharges HPA Prefeasibility Study

Summary

  • King River Resources is committed to developing High Purity Alumina (HPA) utilising an industrial chemical feedstock material.
  • The Company is progressing well with the HPA prefeasibility study (PFS) for the proposed operations in the Kwinana Industrial Area.
  • The explorer has wrapped up the PFS level engineering studies, designed to provide the detailed capital and operating cost estimates.  
  • Alpha Alumina Crystal Structure Analysis using the XRD method has confirmed that all the alumina is in the alpha crystal form. 
  • The Company is advancing testwork for extracting high purity vanadium and titanium products from the Speewah vanadium deposit. 

King River Resources Limited (ASX: KRR) has provided an update highlighting its impressive progress on the ongoing Kwinana HPA Prefeasibility Study (PFS).

In less than a month from the previous update, the Company has undertaken a vast array of activities touching upon the metallurgical, financial, and other relevant aspects to expedite the production of >4N HPA. 

ALSO READ: King River Resources’ Shares Jump On HPA Purity Verification Results

Significantly, the ASX-listed exploration mining company is focused on producing >4N HPA from an industrial chemical feedstock material through calcining high purity precursor materials, purified by its refining process. Significantly, HPA is witnessing tremendous potential in the high-technology and clean energy sectors. 

Source: KRR Update, 30 April 2021

GOOD READ: King River Resources Making Major Strides in HPA Space Amid Escalating Demand

KRR Makes Headway in PFS related Studies and Analysis

Como Engineers has wrapped up the PFS level engineering studies, which would provide the detailed capital and operating cost estimates. Furthermore, the engineering report and the layout graphics are also in the process of being finalised for inclusion in the PFS report. 

At the same time, alpha alumina crystal structure analysis has also advanced well with the completion of a phase analysis on HPA Batch by MicroAnalysis Australia. The process utilised X-Ray Diffraction (XRD) methods, which confirmed that all the alumina is in the alpha (corundum) crystal form.

Additionally, FTI Consulting is finalising the economic-financial model to be included in the PFS report. 

ALSO READ: King River Resources (ASX:KRR) Turns In Healthy March Quarter with HPA Production Progress

Kwinana Industrial Site Fits the Bill 

The Company has continued to pursue investigations with government agencies and private owners in a bid to select an appropriate industrial site in the Kwinana area, 30-40 kilometres south of Perth in Western Australia.

Significantly, the Kwinana Industrial Area provides the perfect setting with the availability of feedstock and reagent suppliers, robust infrastructure, port, energy supply, and a skilled workforce. 

ALSO READ: King River Resources (ASX:KRR) in excellent shape with major headways across projects

KRR on Track to Build Mini-Pilot Plant

Source Certain International (SCI) is aiding the Company to build a mini-pilot plant, which would help in demonstrating the ARC HPA refining process of KRR at a larger scale for the Definitive Feasibility Study (DFS) as well as in producing market samples.

The mini-pilot plant has been scaled using the process flowsheet and mass balances. Meanwhile, enquiries with vessel vendors are in progress. King River has informed about the successful delivery of a 1500°C rotary tube furnace, which is used for the calcination stage of the process. The furnace is currently being installed.

GOOD READ: King River Resources’ 1H FY21 Brimming with a Slew of Project Developments

A Snapshot of Other Metallurgical Developments

The Company intends to further advance metallurgical HPA testwork to optimise the ARC HPA process for the DFS. Meanwhile, the current focus is on further improving the precursor product to simplify the final calcination stage.

Testwork is underway into the extraction of high purity vanadium and titanium products from the Speewah vanadium deposit, which would be suitable as intermediate products for battery and master alloy applications. 

KRR shares were trading at A$0.031 on 21 May 2021 (12:31 PM AEST).

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