Hydrometallurgical Processing of Manganese Ores: A Review
ing produced nearly million metric tons. Most of the manganese production is used for steelking and ther efore, demand for manganese is tied to the fortunes of the steel industry and the industrialized nations [3]. The global production of silicomanganese (SiMn) in 2009 was just MMT, which was greater than the combined Table 2.