Adsorption of strontium from aqueous solution using ethyl butyl phosphonate (EBP) silica
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DOI
• Adsorption of Sr by ethyl butyl phosphonate silica was demonstrated for the first time.
• Hydrodynamic adsorption was possible, with reasonable capacity, at a high flow-rate.
• Optimal operating pH and maximum adsorption capacity were quantified.
• The silica shows greater capacity for Sr than for transition metals.
• Evidence suggests that the silica matrix directly interacts with the adsorption process; not just the functional group.
• Hydrodynamic adsorption was possible, with reasonable capacity, at a high flow-rate.
• Optimal operating pH and maximum adsorption capacity were quantified.
• The silica shows greater capacity for Sr than for transition metals.
• Evidence suggests that the silica matrix directly interacts with the adsorption process; not just the functional group.
Keywords
- Ion-exchange, Active waste, Strontium-90, Adsorption, functionalised silica
| Original language | English |
|---|---|
| Article number | 105458 |
| Number of pages | 9 |
| Journal | Progress in Nuclear Energy |
| Volume | 177 |
| Early online date | 23 Sept 2024 |
| DOIs | |
| Publication status | Published - 1 Dec 2024 |