Originally posted by Minnesota Public Radio News
For well over a century, miners have clawed huge amounts of iron ore out of the red earth of northeastern Minnesota. Other companies are hoping to tap into the region’s rich deposits of copper, nickel and precious metals.
Now, scientists believed they’ve unlocked the key that could lead to another kind of mining in the region.
Researchers with the Natural Resources Research Institute, an arm of the University of Minnesota Duluth, announced Thursday they’ve demonstrated on a pilot-scale a new technique to separate high-purity titanium oxide from a mineral called ilmenite.