Research Article
Insight into Equilibrium and Kinetics of the Binding of Cadmium Ions on Radiation-Modified Straw from Oryza sativa
Table 1
Kinetics of the biosorption of Cd(II) onto UMRS.
| Model | Linear equation | (mg g−1) | Model parameters |
| Elovich model | | 2.924 | (mg g−1 min−1) (g mg−1)
| 25.64 0.6931 | First order | | (min−1) (mg g−1)
| 0.0452 2.914 0.5245 | Pseudo-first order | | (min−1) (mg g−1)
| 0.1074 0.1537 0.4734 | Second order | | (g mg−1 min−1)
| 0.0026 0.4644 | Pseudo-second order | | (g mg−1 min−1) (mg g−1)
| 4.6812 2.929 0.999 | Intraparticle diffusion | | (mg g−1 min−1/2)
| 0.0245 2.7902 0.6166 |
|
|