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Highlights
Uberaba project leverages phosphogypsum for rare earth extraction
Partnership with global fertilizer company accelerates development
Brazil poised as an emerging rare earths supplier
Rainbow Rare Earths (RBW) aims to replicate Phalaborwa’s success with the Uberaba project, extracting rare earth elements from fertilizer by-products in Brazil.
Innovative Approach at Uberaba
Rainbow Rare Earths (LSE:RBW) has recently highlighted its next major initiative in Brazil – the Uberaba project. Following an encouraging economic assessment, the company plans to extract rare earth elements from phosphogypsum, a residue generated during phosphoric acid production, rather than conventional hard rock or clay deposits.
This approach provides a “live feed” source of rare earth elements, ensuring a steady supply over several decades. The grades in the residue compare favorably with many traditional ionic clay projects, while eliminating numerous risks commonly associated with rare earth mining.
The extraction method avoids drilling, blasting, and crushing ore, as the material is directly sourced from fertilizer production sites. This allows the company to focus resources on processing operations while minimizing operational complexities.
Advantages Over Conventional Mining
Traditional rare earth mining involves geological, mining, and operational risks, from ore extraction to processing. The Uberaba project sidesteps many of these challenges by sourcing feedstock directly from ongoing fertilizer production.
The process involves direct acid leaching, followed by a continuous ion exchange circuit, and finally solvent extraction – a methodology proven successful at the company’s Phalaborwa operations. By eliminating the mining stage, the project reduces risk exposure while maintaining efficient production workflows.
This streamlined approach also ensures lower operating costs compared to standard rare earth mining projects, enhancing operational efficiency and stability.
Strategic Partnership with a Fertilizer Giant
The Uberaba project benefits from a strategic partnership with a global fertilizer producer. The collaboration allows Rainbow Rare Earths to leverage existing infrastructure, reagents, and site preparation, significantly shortening development timelines.
The proposed project structure involves a joint venture arrangement, combining the operational expertise of the fertilizer company with Rainbow’s rare earth processing capabilities. This partnership creates a strong foundation for efficient project execution and scalability.
The site is located in Brazil’s sugarcane belt, a brownfield location with many pre-existing facilities, enabling faster permitting and immediate operational readiness.
Brazil as a Rare Earths Supplier
Brazil is increasingly recognized as a reliable source of rare earth elements for Western markets. The country’s emerging supply chain aligns with global interests in diversifying rare earth sourcing outside of China.
The Uberaba project positions Rainbow Rare Earths at the forefront of this development, potentially contributing to an independent and sustainable supply chain of critical materials for industries like electronics, renewable energy, and automotive manufacturing.
Project Milestones and Outlook
The next key phase for Uberaba involves a pre-feasibility study, which will determine detailed operational, financial, and technical parameters. The study is currently being prepared, and results are expected to guide further development strategies and efficiency improvements.
Future updates will focus on the formal start of the pre-feasibility phase, the assessment outcomes, and any technological advancements in rare earth extraction processes at the site.
Implications for Investors
The innovative approach at Uberaba, combined with a strategic partnership and favorable site conditions, reinforces Rainbow Rare Earths’ position as a forward-thinking rare earth producer.
Investors tracking the LSE & FTSE stock market may find the company’s model appealing, as it blends resource efficiency with low-risk operational design. Additionally, developments in Brazil align with global interest in expanding rare earth sourcing outside traditional regions.
The project’s long-term prospects could also impact listings such as FTSE 100, FTSE 350, and FTSE AIM 50, reflecting broader market implications for companies in the resource and materials sector.
