Table 4 Adsorption and kinetic parameters
Serial No. | Adsorption isotherms and kinetic models | Â | Slope | Intercept | R 2 |
|---|---|---|---|---|---|
1 | Freundlich isotherm | Â | 0.249 | 0.490 | 0.929 |
2 | Langmuir isotherm | R L = 0.0299 | 0.979 | 0.151 | 0.998 |
3 | Temkin isotherm | B = 0.196 J/mol | 0.196 | 1.205 | 0.980 |
4 | Dubinin-Radushkevich isotherm | E = 7.07 kJ/mol | −1E−08 | −9.561 | 0.946 |
5 | Pseudo-first-order model |  | −0.012 | −0.258 | 0.989 |
6 | Pseudo-second-order model | Â | 0.777 | 7.320 | 0.994 |
7 | Bangham’s pore diffusion model |  | 0.538 | −0.976 | 0.902 |
8 | Elovich model | Â | 0.207 | 0.249 | 0.912 |
9 | Weber and Morris intraparticle diffusion model | Â | 0.066 | 0.567 | 0.874 |