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苏联科学院冶金研究所研究制定了锰系铁合金综合冶炼工艺。该工艺不仅可以得到含磷量很低的锰系合金和较好的技术经济指标,而且还可以有效地利用尼柯波尔矿区的锰矿资源。这种综合冶炼工艺是:采用连二硫酸法化学富集废矿泥;用无熔剂法冶炼碳素锰铁(炉料中的矿石部分除重选法的
Soviet Academy of Sciences Institute of Metallurgical Research developed a comprehensive system of manganese ferroalloy smelting process. The process can not only get low phosphorus content of manganese alloys and good technical and economic indicators, but also can effectively use the Nike Boer manganese ore resources. This comprehensive smelting process is: the use of dithionite chemical enrichment of waste sludge; fluxless smelting carbon ferromanganese (charge in the ore part of the re-election method