TY  - JOUR
AU  - Zeng, S.
AU  - Song, J.
AU  - Sun, B.
AU  - Wang, F.
AU  - Ye, W.
AU  - Shen, Y.
AU  - Li, H.
PY  - 2023//
TI  - Seepage characteristics of the leaching solution during in situ leaching of uranium
JO  - Nuclear Engineering and Technology
SP  - 566
EP  - 574
VL  - 55
IS  - 2
KW  - In situ leaching
KW  - Leaching solution viscosity
KW  - Seepage characteristics
KW  - Seepage pressure
KW  - Uranium-bearing sandstone
N2  - Investigating the seepage characteristics of the leaching solution in the ore-bearing layer during the in situ leaching process can be useful for designing the process parameters for the uranium mining well. We prepared leaching solutions of four different viscosities and conducted experiments using a self-developed multifunctional uranium ore seepage test device. The effects of different viscosities of leaching solutions on the seepage characteristics of uranium-bearing sandstones were examined using seepage mechanics, physicochemical seepage theory, and dissolution erosion mechanism. Results indicated that while the seepage characteristics of various viscosities of leaching solutions were the same in rock samples with similar internal pore architectures, there were regular differences between the saturated and the unsaturated stages. In addition, the time required for the specimen to reach saturation varied with the viscosity of the leaching solution. The higher the viscosity of the solution, the slower the seepage flow from the unsaturated stage to the saturated stage. Furthermore, during the saturation stage, the seepage pressure of a leaching solution with a high viscosity was greater than that of a leaching solution with a low viscosity. However, the permeability coefficient of the high viscosity leaching solution was less than that of a low viscosity leaching solution.
SN  - 1738-5733
UR  - https://www.sciencedirect.com/science/article/pii/S1738573322004892
N1  - exported from refbase (http://www.uhydro.de/base/show.php?record=211), last updated on Fri, 26 Jan 2024 13:19:04 +0100
ID  - Zeng_etal2023
ER  -