Table 3.
Parameters and correlation coefficients for desorption isotherms
| Metal | Sorbents | Langmuir | |||
|---|---|---|---|---|---|
| qmax (g/kg) | Kd | r2 | Desorption% | ||
| As | MAC | 0.423 | 1.68E6 | 0.85 | 0.47% |
| Cd | MAC | 0.59 | 4.28E7 | 0.9 | 6.35% |
| Hg | MAC | 6.54 | 3.02E6 | 0.94 | 17.94% |
| Pb | APM | 5.94 | 4.53E7 | 0.96 | 0.67% |
qmax, binding capacity of sorbent following desorption; Kd, binding affinity; r2, correlation coefficient