Mineral: |
Alumina |
Reference: |
RK11 |
SCM Type: |
TL - Triple Layer |
Ligand: |
CO3<2->
- carbonate
|
Site Type: |
»Al-OH |
Equation: |
2 »Al-OH + CO3<2-> + 2 H<1+> ⇔ (»Al-OH2<1+>)2-CO3<2-> |
LogK: |
25.3
LogK2.31 nm−2 (SSD-normalized): 22.09
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
NaNO3
|
Solid/Liquid Ratio: |
5.0 g/L |
pH Range: |
4 - 10 |
Fit Method: |
FITEQL |
Comment: |
~2.5 % pCO2; median log K; 0.01 and 0.1 M NaNO3; chromate surface species: »AlOH2<1+>-HCrO4<1-> with best log K at 0.1 and 0.01 M NaNO3; also log K values for the species (»AlOH2<1+>)(»AlOH)-HCO3<1-> and (»AlOH2)(»AlOH)-HCO3 they resulted in overflow errors in FITEQL |
|