催化氧化法生产α-Fe_2O_3新工艺

The new technique on α-Fe_2O_3 production by catalytic oxidation with high-grade magnetite

以高纯铁矿粉及伴生铁矿粉为原料,研究出一条通过催化氧化法生产电子工业用的高品位α-Fe2O3新工艺路线。经检验,产品的化学成分及磁学性能,均可达到软磁铁氧体电子器件的要求(α-Fe2O3≥98%,SiO2≤0.2%)。与传统的亚铁盐湿法工艺相比,具有工艺流程短、成本低、无污染等明显优点,其经济、环境及社会效益十分明显,工业化推广前景良好。

The new technique on αFe2O3 with highgrade magnetite and accompanying iron ore has been studied.The chemical components and magnetic properties of the production may satisfy the demands of softmagnetic ferrite of electron equipment.Compared to traditional wet process,this process has many advantages,so the prospects of industrial extension are bright.