Deadline: 2020-03-02 Award: $350,000 Open to: Everyone*
Rio Tinto supplies the metals and minerals that help the world to grow. Rio Tinto Iron and Titanium (RTIT), the group originating this challenge, provides ilmenite ore containing titanium dioxide as a raw material to pigment producers. Titanium dioxide (TiO2) is non-toxic, biologically inert and used by downstream pigment producers as a coloring or opacity agent in paints, plastics, paper, and other materials.
In this challenge we seek your ideas for how to cost-effectively improve TiO2 content in our ilmenite ore (from 32% TiO2 content to 50% or better) by isolating and separating out lower-quality hematite inclusions (lamellae) from the ore matrix and liberated gangue (non-valued) material. Given the scope and scale of our operations, the business opportunity for successfully solving this problem is very large.
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