The groundbreaking "PTMS ELECTROMAGNETIC SEPARATOR Iron Removal Process with Rapid Temperature Swing Pretreatment" achieves a remarkable 2:17 R′ phase formation rate below 0.5% by rapidly cooling sintered materials from 1180°℃ to 900°℃ at 200℃/min. This breakthrough elevates the material's coercivity to 22kOe at 350°℃, establishing it as both a paradigm-shifting innovation for high-temperature permanent magnet performance and a technological leader in light rare earth applications.
From the perspective of resource strategy, the PTMS ELECTROMAGNETIC SEPARATOR iron removal process for light rare earth materials aligns with China's inherent resource endowment. China boasts substantial rare earth reserves, where light rare earth elements (La, Ce, Nd, Sm) account for 90% of total reserves, while heavy rare earth elements (Dy, Tb, Ho) constitute only 10% and are associated with high extraction costs.
Traditional high-performance NdFeB magnets require 2%-5% Dy or Tb to enhance coercivity, while the PTMS ELECTROMAGNETIC SEPARATOR process can utilize rare earth elements. Taking wind power as an example: a 3MW permanent magnet direct-drive turbine requires approximately 500kg of NdFeB magnets, with Dy content reaching 25kg. At current market prices, rare earth materials account for over 35% of the total magnet cost. The PTMS ELECTROMAGNETIC SEPARATOR process perfectly aligns with the resource characteristics of rare earth materials
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How to efficiently recycle PTMS MAGNETIC SEPARATOR to reduce costs and improve efficiency
