The extraction of critical metal ions, particularly lanthanides and actinides, is a topic of considerable importance given their applications in energy production, recycling, and nuclear waste ...

The lanthanides, also known as rare-earth elements, are used to make magnets found in computers, cell phones, and many other gadgets. Until recently, China was the main producer of these raw materials ...

Rare earth elements are essential for modern technology, but their similar chemistry makes separation difficult and expensive ...

"Hypersaline brine" is industrial waste-water with salt levels that exceed even that of seawater. It's a big, expensive, destructive problem which a team of engineers at Columbia University in New ...