Rainbow Rare Earths Ltd. (RBWRF)
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Rainbow Rare Earths took an important step forward at its Phalaborwa project - ICYMI
Rainbow Rare Earths Ltd (LSE:RBW, OTC:RBWRF) earlier this week confirmed that it had eliminated a key technical risk for its Phalaborwa project by adopting solvent extraction as its final separation method. The company told investors that its previous approach - ion chromatography - had not achieved the required purity levels.
Rainbow Rare Earths Limited (RBWRF) Discusses Adoption of Solvent Extraction for Rare Earth Separation at Phalaborwa Project Transcript
Rainbow Rare Earths Limited (OTCPK:RBWRF) Discusses Adoption of Solvent Extraction for Rare Earth Separation at Phalaborwa Project November 26, 2025 5:00 AM EST Company Participants George Sidney Bennett - CEO & Executive Director Dave Dodd - Technical Director Presentation George Sidney Bennett CEO & Executive Director This is on the back of our announcement yesterday that we've decided to use SX as the optimal route for separation for our Phalaborwa project in South Africa, and this is to separate rare earths out of phosphogypsum. Joining me is our Technical Director, Dave Dodd, and together, we'll go through the presentation that you'll be seeing up on your screens.
Rainbow Rare Earth takes important de-risking step at Phalaborwa project
Rainbow Rare Earths Ltd (LSE:RBW, OTC:RBWRF) told investors it has selected solvent extraction as the final separation method for its Phalaborwa project in South Africa. The company said in a pre-feasibility report that it had confirmed SX as the optimal route to produce separated NdPr oxide and a SEG+ product at purities above 99.5%.
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Rainbow Rare Earths Ltd. Profile
| Metals & Mining Industry | Materials Sector | Mr. George Sidney John Bennett CEO | OTC PINK Exchange | GG00BD59ZW98 ISIN |
| GG Country | 40 Employees | - Last Dividend | - Last Split | - IPO Date |
Overview
Rainbow Rare Earths Limited is a pioneering company dedicated to the discovery and development of rare earth minerals, which are vital components in many modern technologies including electronics, renewable energies, and aerospace. Established in 2011 and headquartered in Saint Peter Port, Guernsey, the company is advancing on significant projects to extract rare earth minerals crucial for the tech and green energy industries. The primary focus is on locating and developing deposits of neodymium, dysprosium, terbium, and praseodymium. These rare earth elements are essential for manufacturing powerful magnets used in wind turbines, electric vehicles, and various high-tech applications. Rainbow Rare Earths Limited's project portfolio includes the development of the Phalaborwa project in South Africa, the Uberaba project in Brazil, and the Gakara project in Burundi, East Africa, demonstrating the company's geographical diversification and commitment to contributing to the global rare earth supply chain.
Products and Services
- Neodymium
Neodymium is a crucial component in the manufacture of permanent magnets, which are used in a wide variety of electrical and electronic applications, including in the motors of electric vehicles, hard disk drives, and in generators for wind turbines. Rainbow Rare Earths is capitalizing on its projects to increase the availability of this vital rare earth metal.
- Dysprosium
Dysprosium is another rare earth element with specific properties that make it invaluable for magnets that operate under high temperatures. It's particularly important for applications in hybrid and electric vehicles, as well as in nuclear reactors. The company's mining activities focus on ensuring a consistent supply of dysprosium to meet growing market demand.
- Terbium
Terbium is used to create green phosphors for use in color displays, fluorescent lamps, and solid-state devices. Its unique properties are indispensable for producing devices with high energy efficiency and brightness, making it a critical material for the electronics and lighting industries. Rainbow Rare Earths' projects aim to contribute to the supply of terbium, supporting advancements in eco-friendly lighting and display technologies.
- Praseodymium
Praseodymium's primary use is in creating high-strength alloys for aircraft engines and in the manufacturing of permanent magnets. It is also used in the glass and ceramics industry to create a yellow coloration. By developing sources of praseodymium, Rainbow Rare Earths Limited seeks to meet the demand from aerospace, defense, and various manufacturing sectors.
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