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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Rare Metal Extraction & Processing
Presentation Title Extracting Uranium and Molybdenum from Refractory U-Mo Associated Ore
Author(s) Kang Liu, Zhiping Yang, Fengqi Zhao, Liuyin Shi, Yan Song, Xing Fan
On-Site Speaker (Planned) Kang Liu
Abstract Scope A refractory U-Mo associated ore containing jordisite enclosing U, Mo component, and impeding penetration, diffusion process of leaching, oxidation agent is investigated through three approaches of focusing on U, Mo extraction. The results indicate flotation beneficiation without followed metallurgical process is not appropriate because of high target metals loss rate via water leaching. H2SO4, H2O2 dosage recommended to oxidative leaching are 10% and 6~8% of ore mass, and U, Mo leaching rate are 92.71% and 52.16% respectively. For the acid pressure leaching, U, Mo leaching rate 92.34% and 68.38% are achieved under optimal temperature 130~140oC and H2O2 dosage 8% combined with pressure air 0.6 MPa. Under fluidized bed furnace roasting parameters include air flow rate 0.64m/s, air ore ratio 0.3m3/kg at roasting temperature 550oC and time 30 sec with U, Mo leaching rate 93.2% and 89.5%, so enhanced metallurgical process effectively destroy wrapper and increase metal recovery rate.
Proceedings Inclusion? Planned:

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Electrochemical Formation of Tb Alloys in Molten LiCl-KCl Eutectic Melts and Separation of Tb
Electrodeposition of γ-MnO2 from Manganese Nodule Leach Liquor: Surface Modification and Electrochemical Applications
Extracting Uranium and Molybdenum from Refractory U-Mo Associated Ore
Extraction of Vanadium and Chromium from the Material Containing Chromium, Titanium and Vanadium
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FEM Simulation of Nodulation in Copper Electrorefining
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Review on the Processes for the Recovery of Rare Earth Metals (REMs) from Secondary Resources
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