New process could unlock untapped US ilmenite supplies
Published: Wednesday, 31 May 2017
A state government-funded pilot scheme has delivered pigment grade titanium dioxide from large but previously unusable deposits in Minnesota.
A pilot scheme has delivered pigment-grade
titanium dioxide from the large ilmenite deposits in Minnesota,
which were previously considered unsuitable for commercial use
due to the presence of hard-to-remove contaminants.
The Natural Resources Research Institute, part of the
University of Minnesota, announced on May 25 that high-quality
titanium dioxide had been extracted...