Processing High-Grade Concentrates from Challenging Low-Grade Iron Ore Deposits

摘要

On an average global basis, iron ores tend to decrease in Fe grade over time. With the exception for some deposits that are logistically challenged, iron ore resources in more accessible areas may often have processing issues, especially if high-grade concentrates are desired. This paper addresses some of these with examples on how technological developments enhanced the feasibility to exploit such ores. The emphasis is on comminution, magnetic separation and flotation.