Rare earth elements, though a minor part of the global metals market, have significant geopolitical importance, especially with China leveraging its dominance during international trade negotiations. In response, nations like the U.S. are taking measures to diminish China’s stronghold by opening new mines and establishing local manufacturers for magnets and motors, though this transition has been gradual due to China’s long-standing investment in this sector.
Zach Detweiler, co-founder and CEO of Radify Metals, highlighted the importance of a comprehensive supply chain to support industrial growth. He points out a critical gap in the metal refining process, specifically the conversion of metal oxides into pure metals. Current methods, primarily using heat or water, are effective but come with substantial environmental drawbacks.
An alternative technique involving plasma — a superheated mixture of energetic particles — has been known but previously deemed too costly for commercial use. Radify believes it has resolved the challenges associated with utilizing plasma through innovative power electronics and engineering. Recently, the start-up shared insights into its technology, having secured nearly $3 million from various investors.
Radify’s reactor is capable of processing various metal oxides, with an initial focus on dysprosium and neodymium, essential components for magnets and electronic applications. The reactor works by heating hydrogen to create plasma, into which metal oxide powder is introduced for reduction, effectively producing pure metal.
This new design allows for the production of smaller and more cost-effective reactors than the traditionally massive equipment used in the industry. This flexibility could enable Radify to adapt to market fluctuations—for example, shifting production to different metals like titanium when prices for dysprosium are artificially depressed by Chinese market strategies.
Currently, the small team at Radify is advancing their technology in California, with plans to generate several kilograms of pure metal daily by year-end, and ambitions to raise funds for a pilot reactor capable of up to 100 kilograms per day.
If successful, Radify could disrupt the rare earth market currently dominated by China, where prices are significantly lower. Detweiler believes that they can achieve production costs about 50% higher than China’s in the short term, while anticipating that Chinese prices may increase as well. The company aims for cost parity or better as they scale up their operations.
Beyond just rare earths, Radify is investigating the extraction of additional metals such as hafnium, uranium, scandium, and titanium, which have applications in electronics and aerospace. The plasma method also shows potential for more common metals like iron and aluminium, and if efficiency improves, it could revolutionise the metal production industry entirely, according to Detweiler.
Fanpage: TechArena.au
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