Prediction model of uranium concentration for in-situ leaching pregnant solution based on uranium chemical fractions of ores

Li, C, Tan, K, Liu, Z, Xia, L, Tan, W and Chen, L 2018, 'Prediction model of uranium concentration for in-situ leaching pregnant solution based on uranium chemical fractions of ores', Journal of Radioanalytical and Nuclear Chemistry, vol. 318, no. 2, pp. 1379-1387.


Document type: Journal Article
Collection: Journal Articles

Title Prediction model of uranium concentration for in-situ leaching pregnant solution based on uranium chemical fractions of ores
Author(s) Li, C
Tan, K
Liu, Z
Xia, L
Tan, W
Chen, L
Year 2018
Journal name Journal of Radioanalytical and Nuclear Chemistry
Volume number 318
Issue number 2
Start page 1379
End page 1387
Total pages 9
Publisher Akademiai Kiado Rt.
Abstract Based on the uranium chemical fractions, combined with laboratory experiments and field monitoring data, a prediction model of uranium concentration for in situ leaching pregnant solution was established. It was demonstrated that the kinetics of in situ leaching of uranium is affected by four chemical fractions from exchangeable to oxidizable after the acidification stage, meanwhile the variation of uranium concentration with time displays two trends as high → low and low → high → low, moreover, it is basically consistent with the fourth-order polynomial relationship. The prediction model equation is y i,x = a i x 4 + b i x 3 + c i x 2 + d i x + e i , among which the parameters can be obtained by the regression of uranium chemical fractions of ores.
Subject Chemical Sciences not elsewhere classified
Keyword(s) In-situ leaching
Uranium concentration
Chemical fractions
Prediction model
DOI - identifier 10.1007/s10967-018-6190-9
Copyright notice © Akademiai Kiado, Budapest, Hungary 2018
ISSN 0236-5731
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