A process for beneficiation of low-grade manganese ore … 1. Introduction. In modern industry, manganese is widely used in many fields, such as ferrous metallurgy, non-ferrous metallurgy, in batteries, in the chemical industry, agriculture and animal husbandry (Ghafarizadeh et al. 2011; Hagelstein 2009; Tang et al. 2014).Manganese oxides and …Web