(PDF) BENEFICIATION OF LOW GRADE MANGANESE ORE BY .
BENEFICIATION OF LOW GRADE MANGANESE ORE BY JIGGING IN A SPECIALLY DESIGNED ORE DRESSING UNIT. The Manganese division of the ERAMET group extracts manganese ore in Gabon and produces manganese alloys for the steel industry. ERAMET has an economic interest to maximize the ore throughput without reducing the lifetime of its manganese mines.