Major Mines Projects | Lac Tio (Havre StPierre) Mine
The new plant crushed the ore into smaller pieces to remove more gangue, and then roasted it in rotary furnaces to reduce the sulphur content. In 1982, the company added a magnetic separation process to improve the refining process further. The result was a richer titanium slag, with nearly ten per cent higher levels of iron andtitanium oxides.