Magrathea, a technology company specializing in magnesium production from seawater, has unveiled its latest innovation, the magnesium chloride electrolyser, at its pilot facility in Oakland, California, US. This milestone signifies a significant leap in the company’s efforts to expand its operations and establish a critical minerals supply chain in the US.
The newly introduced electrolyser is engineered to enhance the production of magnesium metal by utilizing electricity to split magnesium salts efficiently. Magrathea’s cutting-edge technology is poised to revolutionize magnesium production, offering substantial reductions in both carbon emissions and operational expenses for future commercial plants.
In the upcoming months, Magrathea plans to gather and analyze data to optimize electricity consumption, implement energy recycling methods, and refine the dehydration process, which holds immense potential for cost savings in magnesium metal production. The insights derived from this data are expected to streamline the permitting process for new facilities, thanks to the environmental advantages of the technology.
At a time when Russia and China dominate the global primary magnesium supply, accounting for 90% of production, Magrathea’s advancements in magnesium production technology are crucial. The company’s pilot plant in California has the capacity to produce up to 4,000 pounds of magnesium annually at full operation and boasts competitive operating costs.
Notably, the technology is environmentally friendly, emitting zero CO₂ equivalent per kilogram of magnesium, in stark contrast to the over 40kg of CO₂ equivalent generated by the current Chinese production process. This eco-friendly attribute is expected to simplify the process of obtaining permits for future facilities.
CEO of Magrathea, Alex Grant, emphasized the importance of magnesium as a critical material and highlighted the urgent need for non-China sources in NATO countries. Grant outlined the company’s commitment to enhancing efficiency and reducing costs through innovative technology, with the goal of making it economically competitive with existing production methods.
With ambitious plans to increase magnesium production to two million pounds annually by 2027, Magrathea aims to cater to the needs of diverse industries, including aerospace and defense. The company has already secured agreements with over 25 firms, including entities in the US defense sector, a global automaker, and a resource supply deal with Cargill.
In addition to magnesium production, Magrathea’s creation of chloride co-products opens up new market opportunities. The company’s expansion efforts are supported by Sedgman Novopro, an engineering operator with expertise in mining and mineral processing.
Backed by notable investors such as the US Department of Defense and key figures from companies like Glencore and Tesla, Magrathea is well-positioned to advance its magnesium production technology and address the growing demand for this critical material.
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