Adsorption model parameters of Cd2+ and Pb2+ for silty clay and soil colloids
Equation . | Heavy metal adsorption . | Parameter . | Silty clay . | Soil colloid . |
---|---|---|---|---|
Estimated value . | Estimated value . | |||
Langmuir | Cd2+ | qmax (mg/g) | 7.45 | 82.32 |
KL (L/mg) | 0.528 | 0.197 | ||
R2 | 0.981 | 0.973 | ||
Pb2+ | qmax (mg/g) | 27.17 | 120.06 | |
KL (L/mg) | 1.72 | 2.64 | ||
R2 | 0.929 | 0.970 |
Equation . | Heavy metal adsorption . | Parameter . | Silty clay . | Soil colloid . |
---|---|---|---|---|
Estimated value . | Estimated value . | |||
Langmuir | Cd2+ | qmax (mg/g) | 7.45 | 82.32 |
KL (L/mg) | 0.528 | 0.197 | ||
R2 | 0.981 | 0.973 | ||
Pb2+ | qmax (mg/g) | 27.17 | 120.06 | |
KL (L/mg) | 1.72 | 2.64 | ||
R2 | 0.929 | 0.970 |