Mineral: |
Montmorillonite |
Reference: |
PT97 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Si-OH |
Equation: |
»Si-OH + 3 UO2<2+> + 5 H2O ⇔ »Si-O-(UO2)3(OH)5 + 6 H<1+> |
LogK: |
-15.29 LogK°I=0 (Conversion to I = 0): -14.65
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Fit Method: |
MINTEQA2 |
Comment: |
equilibrium was achieved during 10 days, sorption process is reversible, ion exchange interactions between the uranyl species and the innerlayer cations were surpressed under the relatively high ionic strength conditions, value also specified in [PTBP98] and [TP99] |
|