Iron ore mining in India has been characterized in the past by methods developed for high grade deposits and relatively small outputs of up to 2 MTPY, i.e. selective mining of the high grade material and simultaneous dumping of low grades and fines. This scenario is changing dramatically and demands new approaches: Ratio of high grade/low grade in the deposits is coming down from 80/20 to 50/50 The specific value of percent Fe in saleable product increased over the last years by more than 100 percent.
展开▼
