包头冶金研究所研制的“包头稀土精矿碳酸化冷固结球团、经矿热炉脱铁、电硅热法冶炼低钛稀土硅铁合金工艺”获得了突破性成功。巳于1984年12月在郑州市通过河南省级技术鉴定。与会专家认为:该工艺是我国独创的包头稀土精矿冶炼稀土中间合金新工艺。具有稀土收率高、成本低、见效快、减轻环境污染、便于推广等优点。该工艺的研 Baotou Metallurgical Institute developed a “Baotou rare earth carbonate concentrate cold consolidation of pellets, the sub-iron ore furnace, electric silicon thermal refining of low-silicon rare earth ferrosilicon alloy technology,” a breakthrough success. Has been in Henan Province in December 1984 passed the provincial-level technical appraisal. Participating experts believe that: The process is unique in our country Baotou rare earth rare earth smelting rare earth master alloy new technology. With rare earth high yield, low cost, quick, reduce environmental pollution, easy to promote and so on. The process of research