Finnish companies Weeefiner and Sensmet are testing methods to extract critical minerals such as rare earths from the water of abandoned mines.
More than 80 exhibitors will present solutions for building a circular economy at the Messe Frankfurt exhibition center in Germany from June 28-29.
Yttrium oxide makes new alloy suitable for space travel.
New technology uses nanomaterials of gold and hafnium and can be adapted to detect other pathogens.
Multinational technology company Apple will use 100 percent recycled rare earth elements for magnets in its devices by 2025.
Scientists from San Diego State University are researching the utilization of bacteria to filter Raw Earth Elements (REE) out of tailings and other mining residues.