Experimental Study on Magnetic Roasting of Low Grade Specularite

Abstract:

Along with the continuously rose of the iron ore price and the Chinese iron ore quantity demanded, Iron ore self-sufficient rate has become the bottleneck of Chinese steel industry development. In order to increase Chinese ore self-sufficiency rate, the paper study the xinjiang region low grade specularite. When the crude ore grade is 35%, the mass percent of reducing agent pulverized coal is 12%, roasting temperature is 800°C，roasting time is 50 min, milling fineness is 90% passing 0.074 mm and the magnetic induction is 84kA/m, after a low intensity magnetic separation, the iron concentrate can be got whose yield is 42.83%, grade is 62.04% and recovery is 79.26%.

• Periodical: Advanced Materials Research (Volume 454)
• Pages: 189-193
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.454.189
• Online since: January 2012
• Authors: Li Mei Bai, Bo Liu, Yu Hao, Xiao Liang Zhang, Yu Xin Ma
• Keywords: Low Intensity Magnetic Separation, Magnetizing Roast, Specularite

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