Extraction of uranium from the concentrated brine rejected by integrated nuclear desalination plants |
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| Authors: | H Sodaye S Nisan C Poletiko S Prabhakar PK Tewari |
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| Affiliation: | 1. Desalination Division, Bhabha Atomic Research Centre , Trombay, India;2. DER/SESI/LESA, CEA, CEN Cadarache, F-13108 Saint Paul-lez-Durance, France;3. DTN/STPA/LEC, CEA, CEN Cadarache, F-13108 Saint Paul-lez-Durance, France;1. Department of Civil and Environmental Engineering, Clarkson University, 8 Clarkson Ave., Potsdam, NY 13699-5710, USA;2. BKT United, 1225 North Patt Street, Anaheim, CA 92801, USA;1. Institute of Modern Physics, Chinese Academy of Sciences, Gansu, China;2. Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Gansu, China;3. University of Chinese Academy of Sciences, Beijing, China;1. Key Laboratory of Superlight Material and Surface Technology, Ministry of Education, Harbin Engineering University, 150001, PR China;2. College of Material Science and Chemical Engineering, Harbin Engineering University, 150001, PR China;3. HIT (Hainan) Military-Civilian Integration Innovation Research Institute Co. Ltd, Hainan, 572427, PR China;4. Harbin Engineering University Capital Management Co. Ltd., 150001, PR China;5. Institute of Advanced Marine Materials, Harbin Engineering University, 150001, PR China;1. Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621900, China;2. Department of Engineering and Applied Physics, School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China;3. State Key Laboratory of Environment-friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621900, China |
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| Abstract: | This work was carried out under the specific collaboration agreement between the Bhabha Atomic Research Centre (BARC) from India and the Commissariat à l'Energie Atomique (CEA) from France. This paper summarises first results of review and research on the possible extraction of uranium from the concentrated brine rejected by integrated nuclear desalination systems, which both partners are currently developing in the two organisations. Three innovative and efficient methods of uranium extraction have been proposed: 1) Resin grafted with calixarene: this method has the advantage of very high selectivity. Its performances, especially for large-scale extraction, still need further R&D and optimisation; 2) Magnetic separations: yet another method with high selectivity, easy separation and affording high degree of material recovery. The method, however, is in developmental stage; 3) Canal system with Braid adsorbents: high selectivity. Appears to be feasible in conjunction with existing technology. It would nonetheless require large amounts of adsorbents and adequate infrastructure. |
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