PROCEDIMIENTO Y COMPOSICION PARA EL BENEFICIO MEDIANTE FLOTACION POR ESPUMA DE MINERALES DE HIERRO A PARTIR DE MENAS DE HIERRO

摘要

A process and composition are provided for the froth flotation beneficiation of iron minerals from iron ores containing silicate and phosphate minerals, comprising as collectors a combination of a primary amine and a nitrogen compound containing an anionic group selected from methylene carboxylic acid, ethylene phosphoric acid and methylene phosphonic acid.