Table 3 Isotherm parameters for cadmium adsorption by PAPh and PAPD according to the Langmuir and Freundlich isotherm models
| Â | Â | Langmuir isotherm | Freundlich isotherm | ||
|---|---|---|---|---|---|
PAPh | Temperature | Kl R2 | Qm | Kf R2 | n |
| Â | 0.0230 0.963 | 55.86 | 6.89 0.930 | 7.16 | |
298K | y = 0.0179x + 0.778 | y = 0.1397x + 1.9306 | |||
PAPD | Â | 0.0145 0.9001 86.95 | 7.02 0.939 7.11 | ||
298K | y = 0.0115x + 0.7898  | y = 0.1407x + 1.9489 | |||