Adsorption isotherm model | ||||||||||
Langmuir | Freundlich | Dubinin-Radushkevich (D-R) | ||||||||
qmax (mg/g) | b (L/mg) | RL (at different concentrations) | R2 | n | Kf (L/g) | R2 | Xm (mg/g) | β (mol2/J2) | E (kJ/mol) | R2 |
10.83 | 4.569 | 0.008 (at 30 mg/L) | 0.9740 | 8.210 | 6.933 | 0.4197 | 11.37 | 5.0 × 10−6 | 0.316 | 0.6046 |
0.005 (at 40 mg/L) | ||||||||||
0.004 (at 50 mg/L) | ||||||||||
0.003 (at 70 mg/L) | ||||||||||
0.002 (at 100 mg/L) |