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| Extraction of thorium and preparation of the thorium metal |
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Received:September 02, 2019
Revised:December 30, 2019
Accepted:September 16, 2019
Published Online:May 14, 2020
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| DOI： |
| KeyWord:Thorium; Extraction; Electrolysis; Reduction; Iodization; Electromigration |
| Author | Institution |
| Yang Qiang |
The 404 Ltd., CNNC |
| Huzhifang |
GRINM Resources and Environment Tech. Co., Ltd |
| Yan Chenchang |
CNNC Environmental protection Co.,Ltd |
| Jiang Honglin |
GRINM Resources and Environment Tech. Co., Ltd |
| Yinyanxi |
GRINM Resources and Environment Tech. Co., Ltd |
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| Abstract: |
| Because of its big neutron absorption cross section and hard fission,thorium is considered as one of the important nuclear fuels. It is transformed into fissile U233 after being bombarded by neutrons. Due to the small toxicity of nuclear waste, low nuclear diffusion, abundant reserves and greater assurance of nuclear fuel supply, the application prospects in nuclear energy utilization are huge in the future. In this paper, the extraction technology of thorium is reviewed , and the preparation methods of the thorium metal, including molten salt electrolysis, metal thermal reduction, iodization and electromigration, are also summarized. |
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