2013•Mining Research and DevelopmentRequires access
Study on Enrichment of Iron-bearing Minerals in Pyrite Cinder by Magnetic Separation
Qian Lei
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Abstract
This article describes the development status of pyrite cinder in china.In view of the properties and compositions of some pyrite cinder from some place of Guizhou,the influences of grinding fineness,pulp density and strength of the magnetic field on the enrichment of iron-bearing minerals with wet high-intensity magnetic separation were studied.By using a technological process of one roughing magnetic separation and two magnetic concentrating separation,the grade of iron was increased from 39.22% to 56.00%,the recovery rate of iron was up to 68.13 %,and the content of sulfur was only 0.31%,resulting in better economic efficiency and environmental benefit.