Economical REES extraction from coal

A team of Penn State and US Department of Energy researchers claims it has found a cost-effective and environmentally friendly way to extract rare-earth elements (REES) from coal by-products

Economical REES extraction from coal Economical REES extraction from coal Economical REES extraction from coal Economical REES extraction from coal Economical REES extraction from coal

Rare-earth oxides. Image: Peggy Greb / USDA

Rare-earth elements are a set of seventeen metals - such as scandium, yttrium, lanthanum and cerium - necessary to produce high-tech equipment used in healthcare, transportation, electronics and