RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Kaolinite
Reference: LKLSD08
SCM Type: DDL - Diffuse Double Layer
Ligand: Cu<2+> - copper
Site Type: »X-OH
Equation: »X-OH + Cu<2+>  ⇔  »X-O-Cu<1+> + H<1+>
LogK: -2.3         LogK2.31 nm−2 (SSD-normalized):   -2.49
Experiment: Batch Sorption Experiments
Ionic Strength: NaNO3
Temperature: 298.0 K
Solid/Liquid Ratio: 2.0 g/L
pH Range: 2-10
Ligand Concentration Range: 1E-4 - 1E-6 mol/L
Fit Method: FITEQL
Comment: KGa-1b Kaolinite with SSA = 13.6 m²/g; monodentate variable charge + ion exchange site model (fixed Na-H exchange stability constant): X(Na) + H<1+> = X(H) + Na<1+> with log K = 4.3, 2X(Na) + Cu<2+> = X2(Cu) + 2Na<1+> with log K = 2.5 [LKLSD09]
 
1 data sets were retrieved