Mineral: |
Alumina |
Reference: |
GYXW09 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
UO2<2+>
- uranyl(VI)
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + UO2<2+> + PO4<3-> ⇔ »Al-O-UO2HPO4<1-> |
LogK: |
8.2398
LogK2.31 nm−2 (SSD-normalized): 6.85
|
Ionic Strength: |
|
Temperature: |
298.15 K |
Ligand Concentration Range: |
2.61E-5 (U(VI)); 7.50E-5 (phosphate) mol/L |
Fit Method: |
PHREEQC |
Comment: |
original equation in the article: »X-OH + UO2HPO4 = »X-O-UO2HPO4<1-> + H<1+>, logK = -0.2; data from the llnl database accompanied with the code PHREEQC were used for the conversion of the reaction equation; S/L ratio 2 and 10 g/L; IS was 0.01, 0.05, 0.1 and 0.5 mol/L NaCl or 0.1 mol/L NaNO3; pH sorption edge of U(VI) in the presence of phosphate; sorption isotherm of U(VI) in the presence of phosphate; sorption isotherm of phosphate in the presence of U(VI) |
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