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Co-transport of colloidal MgAl-LDH and U(VI) in saturated granite particle column: role of colloid concentration, ionic strength, pH and flow rate by Zhen Zhang; Huijuan Hou; Guangjie Gao; Ganlin Zu; Yuxiong Wang; Qiang Jin; Zongyuan Chen; Wangsuo Wu; Zhijun Guo is a Physics and Astronomy article available to read on EtoBox.

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Since little is known about the colloidal Layered double hydroxides (LDH) stability and how colloidal LDH influences U(VI) transport, column experiments were performed to study the co-transport of U(VI) and MgAl-LDH colloids in water-saturated granite particle as a function of important environmental factors. It was found that the stability and transport of U(VI)-bearing LDH colloid was affacted by colloid concentration, ionic strength and pH. A two-site kinetic attachment/detachment model was applied to describe the breakthrough curves of U(VI)-bearing LDH colloid. The experimental and modeling results of this study imply that a risk assessment of LDH colloid facilitated transport should be considered.

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Author

Zhen Zhang; Huijuan Hou; Guangjie Gao; Ganlin Zu; Yuxiong Wang; Qiang Jin; Zongyuan Chen; Wangsuo Wu; Zhijun Guo

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Physics and Astronomy (Physical Sciences)