Mineral: |
Bentonite |
Reference: |
YHLGM10 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + 3 UO2<2+> + 7 H2O ⇔ »Al-O-(UO2)3(OH)7<2-> + 8 H<1+> |
LogK: |
-21.0 LogK°I=0 (Conversion to I = 0): -21.00
LogK2.31 nm−2 (SSD-normalized): -22.61
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaCl
|
Temperature: |
353.0 K |
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
2.5-11 |
Ligand Concentration Range: |
8.2E-5 mol/L |
Fit Method: |
PHREEQC |
Comment: |
also ion exchange reaction: 2»XNa + UO2<2+> = X2(UO2)2 + 2Na<1+> with log K = 0.6 |
|