Mineral: |
Kaolinite |
Reference: |
WWD98 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
F<1->
- fluoride
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + F<1-> + H<1+> ⇔ »Al-F + H2O |
LogK: |
15.16 LogK°I=0 (Conversion to I = 0): 15.37
LogK2.31 nm−2 (SSD-normalized): 17.87
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Fit Method: |
FITEQL |
Comment: |
when F-concentration <1mM: only one reaction site (>>AlOH) was needed to model fluoride adsorption; conc. 0.001mM to 0.1mM: considering both >>AlF and >>SiF species |
|