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New process could unlock untapped US ilmenite supplies

By William Clarke
Published: Friday, 07 July 2017

A pilot scheme in the USA, jointly funded by the state government of Minnesota and the University of Minnesota, has delivered pigment-grade titanium dioxide at up to 99.8% purity from large ilmenite deposits that were previously considered unusable.

A pilot scheme has delivered pigment-grade titanium dioxide (TiO2) from the large ilmenite deposits in the US state of 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...

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