Table 1 Parameters of isotherm models and kinetic models in batch adsorption studies of MSRH.
Isotherm model | Langmuir model | Freundlich model | ||||||
|---|---|---|---|---|---|---|---|---|
q m,cal (mg g−1) | K L (L mg−1) | R 2 | n | K F | R 2 | |||
272 | 0.034 | 0.979 | 1.76 | 18.66 | 0.906 | |||
Kinetic model | Initial concentration (mg L −1 ) | Shaking Speeds (rpm) | Pseudo-second-order kinetic model | Intraparticle diffusion model | ||||
q e,cal (mg g −1 ) | k 2 (×10 −3 g mg −1 min −1 ) | R 2 | k id (mg g −1 min −0.5) | C (mg g −1) | R 2 | |||
200 | 160 | 96 | 85.0 | 1.000 | 8.5 | 74 | 0.882 | |
300 | 160 | 145 | 16.2 | 0.999 | 7.9 | 118 | 0.894 | |
400 | 160 | 186 | 21.8 | 0.999 | 10.8 | 116 | 0.961 | |
400 | 60 | 185 | 9.2 | 0.999 | 19.9 | 151 | 0.942 | |