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Visualization of the influence of sodium citrate on iron and uranium precipitation in a 2D laboratory scale tank

delete2026-06-16
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R
Reid F. Williams *
B
Brian A. Powell *
DOI:10.1016/j.jconhyd.2026.105029delete
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Abstract

Abstract

En 中文
• Developed a lab-scale 2D tank system capable of incorporating the hydrologic condition present under gaining stream conditions in wetlands. • Developed an image analysis technique to determine the mass fraction of iron (hydr)oxide present in the sand layer. • The addition of sodium citrate to influent solutions prevented the formation of visible iron (hydr)oxides in the sand layer. • Similarities of the iron and uranium concentrations suggest that ferrous iron oxidation and subsequent precipitation of ferric hydroxide can facilitate removal of uranium from aqueous solutions.
Keywords:
2D tank
Gaining stream
Hyporheic zone
Iron colloids
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Journal

Journal of Contaminant Hydrology cover
Journal of Contaminant Hydrology
IF:
4.4
Papers:
3.4K
Citations:
6.5K

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C
Clemson University
Scholars:
1.2W
Papers: 1.1W
Citations: 1.4W
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