Recovery of Iron Ore Tailings byColumn Flotation
In Brazil, all the main pellet-feed producers use reverse flotation, being the tailing made up mostly of quartz and a concentrate constituted of iron oxides and iron hydroxides. The most used reagents are amine and corn starch, which act respectively as collector and depressant [1-4]. According to Araújo and Viana , flotation columns can be employed in tandem with conventional cells or,THE USE OF COLUMN - Eriez Flotation,origin, with low P2O5 grades. Ore from the Araxa, MG, region of Brazil is residual, consisting mainly of apatite, clay minerals, magnetite, barite, hydrated iron minerals, aluminum and iron secondary phosphates, titanium minerals and other minerals. The ore is processed in four physically distinct processing stepsSamarco Iron Ore Mine, Alegria, Brazil - Mining,Samarco Mineracão’s Alegria iron ore mine is in Brazil’s Iron Quadrangle, about 4.5km north of the depleted Germano deposit, within the districts of Mariana and Ouro Preto in the state of Minas Gerais. The process plant pumps concentrate via a slurry pipeline to facilities at Ponta Ubu on the Atlantic coast that include two pelletising plants and a shipping quay.