Table 6. Parameters of the isotherm models for the biosorption at 35°C [qm exp: 55.79 ± 4.29 mg g-1].
| Two-parameter isotherms Base 100 |
Three-parameter isotherms | ||
|---|---|---|---|
| Langmuir | Sips | ||
| KL [L mg-1] | 0.04341 ± 0.0379 | KS [(mg L-1)-1/ ns] | 0.04834 ± 0.01061 |
| qm [mg g-1] | 65.03 ± 5.08 | qm [mg g-1] | 60.65 ± 5.67 |
| r2 | 0.9425 | nS | 0.7726 ± 0.2039 |
| ASS | 419.6 | r2 | 0.9501 |
| Sy.x | 4.025 | ASS | 424.7 |
| AIC | 85.28 | Sy.x | 4.207 |
| Freundlich | AIC | 84.22 | |
| KF [(mg g-1) (mg L-1)-1/nF] | 11.63 ± 3.822 | Radke-Prausnitz | |
| nF | 3.210 ± 0.745 | AR [L g-1] | 3.400 ± 2.35 |
| r2 | 0.822 | RR [L mg-1] | 15.38 ± 0.76 |
| ASS | 1516 | BR | 0.02599 ± 0.0103 |
| Sy.x | 7.787 | r2 | 0.7939 |
| AIC | 115.8 | ASS | 29491 |
| Temkin | Sy.x | 5.439 | |
| AT [L mg-1] | 0.5905 ± 0.0522 | AIC | 3392 |
| BT [J mol-1] | 84.60 ± 1.86 | Redlich-Peterson | |
| r2 | 0.8879 | KRP [L g-1] | 1.816 ± 0.02 |
| ASS | 16040 | ARP [(L mg-1)BRP] | 0.005964 ± 0.0001 |
| Sy.x | 4.009 | BRP | 0.999 ± 0.001 |
| AIC | 2781 | r2 | 0.9947 |
| Halsey | ASS | 358.8 | |
| KH [(L g-1)-1/nH] | 2.710E-005 ± 1.637E-005 | Sy.x | 0.8724 |
| nH | -0.2599 ± 0.0123 | AIC | -268.0 |
| r2 | 0.7939 | Toth | |
| ASS | 29491 | qm [mg g-1] | 56.6 ± 3.25 |
| Sy.x | 5.436 | bT [(L mg-1 )-1/ nT] | 0.0252 ± 0.00393 |
| AIC | 3390 | nT | 0.3625 ± 0.1617 |
| Dubinin-Radushkevich | r2 | 0.9646 | |
| qm [mg g-1] | 56.27 ± 0.23 | ASS | 431.0 |
| BDR [mol2 J-2] | 0.0002555 ± 0.0015159 | Sy.x | 4.541 |
| r2 | 0.9624 | AIC | 74.92 |
| ASS | 5382 | ||
| Sy.x | 4.322 | ||
| AIC | 1689 | ||