Beneficiation of Ferruginous Manganese Ore

Abstract

In a 50 tpd beneficiation plant, a low-grade ferruginous manganese ore sample assaying 30.83% Mn, 24.28% Fe (T), 0.05% P and a 1.27 Mn/Fe ratio was subjected to a stage crushing process to -40mm, wet washing – screening, and split Apic jigging of 40+20 and-20+5mm fractions, yielding a concentrate assaying 34.15 Using reduction roasting and magnetic separation, the jig concentrate may improve Mn quality to 40% and Mn/ Fe ratio to 2.5, with a 50 percent Mn distribution, meeting the
metallurgicalgradestandardandopeningthedoortousingregionalmedium grade ferruginous manganese ores