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Rare earth ore dressing plant summary
Rare earth ore beneficiation plant are summarized in Table 1..
Table 1 List of major ore dressing plants of rare earth mines at home and abroad
Country
Factory name
Treated ore type
Process flow
Selection indicator, REO %
Raw ore grade
Concentrate grade
Recovery rate
China
Baotou Steel Concentrator
Baiyun Obo
Rare earth symbiotic ore
Flotation-selective agglomeration dressing
5.63
60.49
22.13
37.29
26.31
United States
Mountain Pass concentrator
Carbonate type rare earth ore
Flotation
7.0
60 to 63
65~70
China
Weishan Rare Earth Ore Concentrator
Carbonate type rare earth ore
Flotation
3.5 to 4.5
45~60
75～80
Australia
Capel Concentrator
Seashore sand mine
Magnetic separation-reselection-electrical selection
0.50
(mineral content)
95
(mineral content)
China
Nanshanhai Rare Earth Ore Concentrator
Seashore sand mine
Re-election-magnetic selection-electrical selection
0.045
55~60
46～52
China
Snowy concentrator xenotime
Granite weathering crust
Re-election
39.90
(Y 2 O 3 content)
China
Longnan Extraction Plant
Ion-adsorbed heavy rare earth ore
Chemical beneficiation
0.088～0.2
>90
59.47
Xunwu extraction plant
Ion-adsorbed light rare earth ore
Chemical beneficiation
0.088～0.2
>90
65
Soviet Union
Kola Peninsula Cerium Niobium perovskite Concentrator
Alkaline neon syenite strontium perovskite
Re-election
89～91
(mineral content)
70-75