Low grade iron ore bodies can be beneficiated using the DEC Flotation column and produce a saleable product at a low production cost per ton.
Silica content has become a significant problem in iron ore processing in recent years. Lower grade deposits have significant silica content and this restricts the saleability of the beneficiated iron ore product.
DEC Flotation columns have been used and produced very good results in reducing the silica content.
Typically, silica can be reduced from 5-7.5% to 2-3% while the iron ore grade is increased from 58-61.5% to 64-65.5% with a recovery in excess of 75%. Using the DEC Flotation column to reduce the silica content of iron ore enables many low to medium grade iron ore deposits extend their economic viability significantly.
There are many iron ore tailings dumps and ponds around the world containing millions of tons of recoverable iron ore. This iron ore can be economically recovered using DEC Flotation cells.