Table 7. Parameters of the isotherm models for the biosorption at 50°C [qm exp: 38.99 ± 3.9 mg g-1].
| Two-parameter isotherms Base 100 |
Three-parameter isotherms | ||
|---|---|---|---|
| Langmuir | Sips | ||
| KL [L mg-1] | 0.07311 ± 0.0379 | KS [(mg L-1)-1/ ns] | 0.09408 ± 0.011 |
| qm [mg g-1] | 43.19 ± 1.01808 | qm [mg g-1] | 38.73 ± 1.35 |
| r2 | 0.9524 | nS | 0.5929 ± 0.0961 |
| ASS | 216.4 | r2 | 0.9834 |
| Sy.x | 2.042 | ASS | 275.44 |
| AIC | 63.23 | Sy.x | 2.773 |
| Freundlich | AIC | 37.56 | |
| KF [(mg g-1) (mg L-1)-1/nF] | 10.09 ± 3.476 | Radke-Prausnitz | |
| nF | 3.681 ± 1.022 | AR [L g-1] | 4.308 ± 0.115 |
| r2 | 0.7713 | RR [L mg-1] | 41.12 ± 0.15 |
| ASS | 1039 | BR | 1.541E-016 ± 0.0103 |
| Sy.x | 6.445 | r2 | 0.9422 |
| AIC | 105.6 | ASS | 1886 |
| Temkin | Sy.x | 2.375 | |
| AT [L mg-1] | 6.114 ± 1.351 | AIC | 642.3 |
| BT [J mol-1] | 188.6 ± 6.6 | Redlich-Peterson | |
| r2 | 0.76 | KRP [L g-1] | 2.685 ± 0.037 |
| ASS | 7827 | ARP [(L mg-1)BRP] | 0.03161 ± 0.00114 |
| Sy.x | 2.800 | BRP | 0.995 ± 0.004 |
| AIC | 2064 | r2 | 0.9901 |
| Halsey | ASS | 214.1 | |
| KH [(L g-1)-1/nH] | 8.976E-009 ± 1.266E-009 | Sy.x | 0.5702 |
| nH | -0.1553 ± 0.0123 | AIC | -1119 |
| r2 | 0.6827 | Toth | |
| ASS | 10347 | qm [mg g-1] | 38.32 ± 1.39 |
| Sy.x | 3.220 | bT [(L mg-1 )-1/ nT] | 0.04885 ± 0.00709 |
| AIC | 2343 | nT | 0.4321 ± 0.1421 |
| Dubinin-Radushkevich | r2 | 0.9817 | |
| qm [mg g-1] | 38.04 ± 0.09 | ASS | 283.07 |
| BDR [mol2 J-2] | 8.049E005± 0.195E005 | Sy.x | 2.460 |
| r2 | 0.9547 | AIC | 40.16 |
| ASS | 1478 | ||
| Sy.x | 2.217 | ||
| AIC | 397.0 | ||