A method of enriching the iron content of low grade iron ore bearing materials has been developed which produces a high iron ore concentrate suitable for processing into pig iron and steel. The process includes reducing the low grade iron ore bearing materials to a fine particulate form and treating a water slurry of this material by applying a combination of ultrasonic treatments in a plurality of high and low intensity magnetic separation operations to remove interfering materials and concentrate magnetic and paramagnetic iron bearing materials into a high grade ore stock.
申请公布号
US8545594(B2)
申请公布日期
2013.10.01
申请号
US201113195430
申请日期
2011.08.01
申请人
HILSHORST HOWARD W.;LINDAHL GREGORY D.;HECIMOVICH JAMES A.;SUPERIOR MINERAL RESOURCES LLC
发明人
HILSHORST HOWARD W.;LINDAHL GREGORY D.;HECIMOVICH JAMES A.