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| Study on Hydrometallurgy of Impregnated Pitchblende Uranium Ore |
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Received:June 20, 2016
Revised:June 28, 2016
Accepted:July 04, 2016
Published Online:November 17, 2016
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| DOI：doi：10.3969/j.issn.1007-7545.2016.12.014 |
| KeyWord:uranium ore; pitchblende; acid-curing; leaching |
| Author | Institution |
| WANG Gao-shan |
核工业北京化工冶金研究院 |
| ZHANG Li-hui |
环境保护部核与辐射安全中心 |
| li tieqiu |
核工业北京化工冶金研究院 |
| wang congying |
核工业北京化工冶金研究院 |
| LIU Jin-lin |
核工业北京化工冶金研究院 |
| TONG Chang-ning |
中国核工业集团公司抚州金安铀业有限公司 |
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| Abstract: |
| Uranium extraction rate of impregnated pitchblende uranium ore with particle size of -0.104 mm is 50% below under acid leaching. Uranium column leaching rate is 83% above and tailing grade of uranium is 0.01% below with particle size of -0.20 mm applying processes of mixed acid-curing pretreatment and high acid leaching. Lixivium was treated by ion exchange adsorption, acidic sodium chloride leaching, and uranium precipitation to produce uranium product. Adsorption capacity of uranium is 125 mg/g. Uranium concentration of leacheate is 10 g/L above. The product of precipitant “111” meets the requirements of standard of First Class of industry. |
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