Froth Flotation of Iron Ores - Scientific & Academic PublishingJan 2, 2012 . Recent Developments in the Iron Ore Flotation Industry. 4.1. Reverse Anionic Flotation. 4.2. Column Flotation. 5. Summary. ACKNOWLEDGEMENTS .. In addition to quartz, the most common gangue mineral in iron ore, other impurities, such as alumina containing minerals and phosphorus, are also found.column flotation of iron ore solution for ore mining,VOLUME 33 NUMBER 1, 1977Jul 4, 2013 . 2Institute of Minerals and Materials Technology, Mineral Processing Department,. Bhubaneswar . crystal structure and at times exist in solid solution (one form of interlocked state). It appears that this . Key words: iron ore slimes; cationic collector; reverse flotation; column flotation; alumina reduction. 1.