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ChemX Materials (ASX:CMX) (ChemX or the Company), an Australian based high purity critical materials developer, is pleased to announce recent results from its High Purity Alumina (HPA) Micro Plant operations, located in Perth, Western Australia.
- ChemX’s High Purity Alumina (HPA) Micro Plant delivers highest quality result of 39ppm impurities (4N, 99.99% HPA) across 66 elements
- Subsequent batches cementing above 4N (99.99%) purity capability
- High 4N capability enabling synthetic sapphire opportunities
- ChemX refocusing Micro Plant team on Construction and Commissioning of HPA Pilot Plant which is on track for first commissioning in Q1 CY2024
ChemX’s 100%-owned HiPurA® chemical feedstock process has delivered its highest quality result of 39ppm impurities (99.996% purity) across an impressive 66 element spectrum.
Additional results include 66ppm, 61ppm and 99ppm. Full assay results (Appendix A) and Table 1 in compliance with JORC Code 2012 are appended.
These results reflect the continuous improvement to selectively remove key impurities and provide ever improving product quality. Recent investment in high precision analytical equipment will further aid ChemX to develop new methods to improve product purity and minimise reliance on external laboratories. This will dramatically reduce assay turnaround times and will support the commissioning of the full-scale pilot plant in 2024.
The Micro Plant has achieved its purpose. ChemX will now refocus the team on construction and commissioning of the HPA Pilot Plant. The intended purpose for the larger scale Pilot Plant will be to match or improve the HPA purity results achieved by the Micro Plant.
Chief Executive Officer, Peter Lee commented:
“ChemX has now achieved a HPA level of purity that is beyond 4N (99.99%) and have notably recorded a single result that has outperformed our previous best (reduction of impurities) by over 50%, across 66 elements.
These significant results demonstrate the unique capability of the HiPurA® process and the rigour that ChemX has undertaken to scale up from Laboratory to Micro Plant scale. Following construction, commissioning and optimisation of the HPA Pilot Plant, the stage will be firmly set for HPA customer qualification.”
Analytical methods Notes:
1) Analysis conducted by LabWest Minerals Analysis Pty Ltd. (NATA accredited Laboratory)
2) Analysis Method – Microwave Digest, HF/Multiacid, 66 Elements including REE’s by ICP-MS/OES.
3) Complete analysis provided in Appendix A
Figure 1 – Optimisation of a small module of the HiPurA® Micro Plant
About the HiPurA® 100% owned process
CMX’s HiPurA® process is a disruptive flowsheet which converts aluminous chemical feedstocks through selective refining to HPA. Ultimately, CMX aims to achieve the delivery of 4N high grade and potentially 5N (99.999%) HPA products for the electric vehicle battery separator and synthetic sapphire markets, LEDs, semi-conductor and optical lenses.
The HiPurA® process is modular, scalable and independent of direct mine production, which enables ChemX to locate key future production facilities around the world close to customers in a just-in-time customised approach.
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