Paper Title:

Pilot Beneficiation about Deoxidized Samples of Bayan Obo Oxidized Iron Ore

Periodical Advanced Materials Research (Volume 454)
Main Theme Powder Technology & Application IV
Edited by Shujuan Dai
Pages 221-226
DOI 10.4028/www.scientific.net/AMR.454.221
Citation Peng Gao et al., 2012, Advanced Materials Research, 454, 221
Online since January, 2012
Authors Peng Gao, Yue Xin Han, Yong Sheng Sun, Yu Fan Mu
Keywords Bayan Obo Oxidized Ore, Deoxidized Samples, Gravity-Magnetic Beneficiation, Iron Grain Size
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Abstract

The composition of Deoxidized Samples of Bayan Obo Oxidized Iron Ore is complex with high content of residual reducing C, Fe phase in the RDP is ferrous metal what is hard and malleable resulting in pessimistic grindability. Gravity-magnetic separation process flow is adopted with C pre-rejecting, stage grinding (-0.074mm -57.18%, -0.074mm -85.66%) and coarse-fine fraction separate treatment base on RDP process characteristic. The final concentrate has 92.02% Fe with 93.27% Fe recovery, 94.18% Fe metallization which may utilize as rough materials for steelmaking and the final tailings has 15.10% REO with 97.15% REO recovery which may utilize as rough materials for REO concentration.