ChemX Materials (ASX:CMX) (ChemX or the Company), a materials technology company focused on providing critical materials required for electrification and decarbonisation, is pleased to present its June 2022 Quarterly Activities report.


  • Achieved 99.7% manganese sulphate purity in initial testwork program from samples taken at Jamieson Tank deposit, South Australia
  • Marketing and Advisory Agreement entered with Amvest Capital Inc. in the USA
  • Appointment of Chief Operating Officer (COO)
  • Outstanding rare earths elements (REE) assays from Eyre Peninsula projects, South Australia
  • Loyalty Options Offer to shareholders oversubscribed
  • High Purity Alumina (HPA) Micro Plant initial commissioning completed with optimisation progressed
The Company is developing its HiPurATM High Purity Alumina (HPA) Project in Perth, Western Australia and has two projects on the Eyre Peninsula in South Australia – the Kimba Kaolin / Rare Earth Elements (REE) Project and the Jamieson Tank Manganese Project.

During the quarter, ChemX made significant progress in the commissioning of its High Purity Alumina Micro Plant in Perth and continues to optimise the process design, equipment modifications and scale.

At the Company’s Jamieson Tank Manganese project in South Australia, outstanding testwork results showed high manganese sulphate purity could be achieved with the chosen flowsheet, giving confidence that manganese from the Jamieson Tank project is well suited for further processing into high purity manganese sulphate monohydrate (HPMSM) to be used in lithium battery cathodes.

Figure 1: High Purity Manganese Sulphate Monohydrate from initial testwork program

ChemX reported10 outstanding results from an initial batch of reconnaissance REE assays, which were returned from air core drilling across the Eyre Peninsula tenements, highlighting the prospectivity of the tenements for ionically adsorbed REE.

ChemX Managing Director David Leavy commented: “It has been a busy and very productive quarter for ChemX as we have made good progress across all our projects. We appointed a highly credentialled and experienced Chief Operating Officer and rewarded shareholders with the Loyalty Options Offer, which was completed post the end of the June quarter with a very high level of support. We look forward to reporting further progress on the HiPurATM HPA Micro Plant the HiPurATM Pilot Plant Prefeasibility Study (PFS), and the two South Australian projects in due course.”

HiPurATM High Purity Alumina (HPA) Project, Perth

On 24 June 20221 ChemX reported it had completed commissioning of the individual stages of its HPA Micro Plant and was undergoing final stage integrated process commissioning.

The key objectives from the HPA Micro Plant operation are:

  • Optimisation of process and controls under continuous operation
  • Achieving a 99.99% (4N) purity HPA on a consistent basis
  • Ongoing production of samples of HPA for customer qualification testing
  • Research and development on the development of additional products for assessment, including achieving a targeted 99.999% (5N) purity

The HiPurATM HPA process, 100% owned by the Company, is expected to produce HPA with significantly lower levels of energy and reagent usage, resulting in lower capital and operating costs than most incumbent and potential producers.

ChemX has extended the HiPurATM Pilot Plant Prefeasibility Study into Q3 2022 to enable it to be further optimised.

Jamieson Tank Manganese and Kimba Kaolin / REE Projects, South Australia

In early April 2022, the Company completed testing on a composite sample of manganese ore taken from historical reverse circulation (RC) drilling at the Jamieson Tank Manganese Project by the previous tenement owners. The testing program, designed to identify the efficacy of the chosen process for the company’s High Purity Manganese Sulphate Monohydrate (HPMSM) project13, produced manganese sulphate crystals with 99.7% purity. To achieve near specification quality without significant purification steps is very encouraging. Further work on the production of HPMSM is planned to commence in August on ore samples from the recent ChemX drilling campaign at Jamieson Tank.

Late in May 2022, ChemX reported assays from drilling of kaolin and manganese targets at the Eyre Peninsula tenements which highlighted the prospectivity for ionically adsorbed REE.

ChemX’s Eyre Peninsula tenements cover the Kimba Kaolin / REE Project and Jamieson Tank Manganese Project, which was historically explored for manganese and kaolin prior to ChemX ownership. ChemX’s maiden air core program returned high REE results at both Kimba and Jamieson Tank.


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This article includes content from ChemX Materials, 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.

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