Super-fine Fe_3O_4 powders were synthesized by using Pyrite Cinder as feed material via magnetic separation and maturing and purgation technology.

 
  • 以硫鐵礦燒渣為原料,經(jīng)過(guò)磁選、熟化、除雜等生產(chǎn)工藝制備了超細氧化鐵粉末和鐵鹽。
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