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与旧工艺相比,用炉外精炼法生产中、低碳锰铁,具有硅锰合金单耗低、锰回收率高和综合经济效益好等一系列优点。用炉外精炼法还可以生产碳素锰铁、硅锰合金、代金属锰,并能取得较好的综合经济效益。
Compared with the old process, the low-carbon ferromanganese produced by the furnace refining method has a series of advantages of low consumption of silicon-manganese alloy, high manganese recovery rate and comprehensive economic benefits. Furnace refining method can also produce carbon ferromanganese, silicon manganese alloy, on behalf of manganese, and can achieve better overall economic efficiency.