Research Article
Study of Isothermal, Kinetic, and Thermodynamic Parameters for Adsorption of Cadmium: An Overview of Linear and Nonlinear Approach and Error Analysis
Table 2
Linear and nonlinear parameters of isothermal models for sorption of Cd onto Saccharum arundinaceum
| Models | Linear method | Nonlinear method |
| Freundlich | | | KF (mg/g) (L/mg)n | 9.4558 | 12.2001 | N | 2.42 | 3.0271 | R2 | 0.9446 | |
| Langmuir | | | Qo (mg/g) | 48.309 | 48.0821 | b (L/mg) | 0.1446 | 0.1461 | RL | 0.408 | 0.406 | R2 | 0.9958 | |
| Dubinin–Radushkevich | | | (mol2/kJ2) | 0.6543 | 3.1816 | qs (mg/g) | 34.3533 | 39.667 | R2 | 0.7912 | |
| Temkin | | | Β (J/mol) | 264.39 | 161.8954 | KT | 1.0227 | 0.38 | R2 | 0.9852 | |
| Elovich | | | Qm (mg/g) | 16.58 | 17.2006 | KE (L/mg) | 1.1677 | 0.6631 | R2 | 0.9433 | |
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