Meteoric and MTM Forge New Path in Rare Earth Refining with Flash Joule Heating
Meteoric Resources has partnered with MTM Critical Metals to apply innovative Flash Joule Heating technology, significantly upgrading the value of rare earth elements from its Brazilian Caldeira Project. This collaboration aims to create a scalable supply of critical magnetic rare earths for Western industries.
- Exclusive 12-month MOU signed between Meteoric Resources and MTM Critical Metals
- Flash Joule Heating (FJH) technology boosts magnetic rare earth oxide content from ~30% to 72%
- Over 80% removal of low-value Lanthanum and Cerium from Mixed Rare Earth Carbonate
- Proof-of-concept tests conducted in Houston laboratories demonstrate promising recovery rates
- Plans underway for pilot plant development and further optimization of refining process
A Breakthrough Collaboration
Meteoric Resources NL (ASX, MEI) has taken a significant step forward in rare earth element processing by signing a Memorandum of Understanding (MOU) with MTM Critical Metals Ltd (ASX, MTM). The partnership focuses on applying MTM's proprietary Flash Joule Heating (FJH) technology to Meteoric's Mixed Rare Earth Carbonate (MREC) sourced from the Caldeira Project in Brazil.
This collaboration is designed to refine and separate rare earth elements more efficiently, targeting the high-value magnetic elements essential for modern technologies such as electric vehicle motors and wind turbines. The MOU, exclusive for 12 months, sets the stage for joint development and potential commercial deployment of this innovative refining method.
Innovative Technology with Promising Results
MTM has completed initial proof-of-concept testing at Benchmark and Texas Oiltech laboratories in Houston, Texas. Using an un-optimized single-flash FJH process, the technology demonstrated remarkable results, it extracted a concentrated mix of neodymium, praseodymium, terbium, and dysprosium chlorides; key components for permanent magnets.
Crucially, the process removed over 80% of low-value lanthanum and cerium, elements that dilute the commercial value of rare earth concentrates. This upgrade increased the magnetic rare earth oxide content of Meteoric’s MREC from approximately 30% to 72% of total rare earth oxides, a substantial enhancement that could redefine the economics of rare earth supply.
Strategic Implications and Next Steps
The collaboration aims to develop a scalable, chloride-based refining method that could supply critical magnetic rare earths to Western magnet manufacturing facilities, helping diversify supply chains currently dominated by China. The MOU outlines plans for further technical evaluation, flowsheet integration, and commercial structuring, including licensing and joint development models.
Looking ahead, Meteoric plans to leverage its pilot plant in Poços de Caldas, Brazil, by September 2025 to support process development and potentially host a FJH demonstration facility. Further test work will focus on improving recovery rates and exploring the production of rare earth metals from chloride precursors.
A Step Toward Supply Chain Resilience
Meteoric’s Managing Director, Stuart Gale, highlighted the strategic fit of this collaboration within the company’s broader downstream strategy. By advancing refining technologies that align closely with end-user needs, Meteoric aims to enhance the value and flexibility of its rare earth supply, contributing to a more resilient and diversified global market.
While the technology remains at an early stage, the promising test results and exclusive partnership position Meteoric and MTM at the forefront of rare earth processing innovation, with potential implications for the critical minerals sector worldwide.
Bottom Line?
Meteoric and MTM’s collaboration could reshape rare earth refining, but commercial viability and scale-up remain key hurdles ahead.
Questions in the middle?
- How will the cost and scalability of Flash Joule Heating compare to traditional refining methods?
- What commercial terms and exclusivity arrangements will define the long-term partnership?
- How might evolving Chinese export controls impact the market opportunity for Meteoric’s upgraded rare earths?
