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Rainbow Rare Earths Ltd - developer of the Phalaborwa rare earths project in South Africa and the Uberaba project in Brazil - Stock rises after the company announces the start of pilot-scale operations as the final phase of process test work for Phalaborwa. Includes primary flowsheet pilot operations in Johannesburg and delivering the bulk feed sample for off-site solvent extraction test work, confirming the process to deliver separated neodymium and praseodymium oxide and SEG+ products at over 99.5% purity. The SEG+ group is a mix of medium and heavy rare earths. Rainbow says the project will be the first commercial recovery of rare earth elements from phosphoric acid production waste product phosphogypsum. Pilot operations will also provide data underpinning the definitive feasibility study, ‘including process flowsheet development, mass balance, equipment sizing and capital and operating costs’. Chief Executive Officer George Bennett comments: ‘This new piloting operation...will demonstrate the project flowsheet that has been considerably updated over the past 18 months via a number of key optimisations. These efficiencies further reinforce the project’s position at the bottom of the industry cost curve to deliver high-purity (>99.5%) separated NdPr oxide and SEG+ products. The pilot operations are important to the finalisation of the DFS this year and ensure the long-term success of the Phalaborwa project.’ He notes that the REE market outlook ‘remains strong going into 2026’. Current stock price: 18.85 pence, up 1.3% on Tuesday in London 12-month change: up 53% Copyright 2026 Alliance News Ltd. All Rights Reserved.
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