America's critical mineral shortage problem could be solved if new extraction method works

Electronic waste could provide needed minerals.
(Photo by Nathan Cima, Unsplash)

Despite rich geological stores and landfills piled with used tech equipment, the U.S. doesn't have the domestic supply of critical minerals it needs to build tech equipment. The country has lacked an economically viable way to "extract metals like copper, silver and rare-earth elements from the country’s abundant ores and heaps of old electronics," reports Ryan Dezember of The Wall Street Journal. But a new metallurgy company with innovative scientists says it has found a solution.

The company, Valor, is working "to commercialize a breakthrough in metallurgy called electrochemical liquid-liquid extraction," Dezember explains. According to scientists, the new process "can separate metals and rare earths from electronic waste and mined ores without the massive amounts of energy and chemicals" used by smelting or other refining methods.

The cutting-edge science starts with molecular magnets, called ligands, that scientists make to bind and release specific elements. Dezember explains. "To pluck the silver from a slurry of ground-up computer chips, the ligand made to bind to the precious metal is activated with a current of electricity and then turned off to release the silver for reuse."

Critical and rare-earth minerals are essential for producing the most advanced technologies, including defense systems, magnets, semiconductors, medical equipment and consumer electronics; however, China has always dominated the global sector. Unleashing a new way for the U.S. to harness its rare earth stores could change that dynamic.

For now, Valor will open its first plant in Houston, Texas. The company plans to "eventually build refineries of various sizes across the country, near lithium brine fields in Arkansas, Arizona’s copper mines and big cities where loads of recycled cellphones and computers can be gathered."