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 | |
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