MADAGASCAR & CANADA:Rio Tinto to Make 475,000 t.p.a.of 91% TiO_2 Slag

摘要

Conventional technology employed at Sorel entails roasting the ilmenite input in a fluid-bed calciner,then mixing the roaster product with charred anthracite for feeding into an electric arc furnace:the iron oxides are reduced to metallic iron,while the titania slag is marketed as a high-grade TiO_2 feedstock.