Recovery of Iron Ore Tailings byColumn Flotation
verse flotation being the tailing made up mostly of quartz and a concentrate constituted of iron oxides and iron hy droxides The most used reagents are amine and corn starch which act respectively as collector and depressant [1 4] According to Araújo and Viana [5] flotation col umns can be employed in tandem with conventional cells or isolated Iwasaki [6] mentions