Table 8. Parameters of the isotherm models for the biosorption at 60°C [qm exp: 28.23 ± 1.0 mg g-1].
| Two-parameter isotherms Base 100 |
Three-parameter isotherms | ||
|---|---|---|---|
| Langmuir | Sips | ||
| KL [L mg-1] | 0.1615 ± 0.0409 | KS [(mg L-1)-1/ ns] | 0.1711 ± 0.0304 |
| qm [mg g-1] | 29.30 ± 1.28 | qm [mg g-1] | 27.80 ± 1.15 |
| r2 | 0.9490 | nS | 0.7354 ± 0.1472 |
| ASS | 42.63 | r2 | 0.9657 |
| Sy.x | 1.425 | ASS | 63.33 |
| AIC | 30.49 | Sy.x | 1.697 |
| Freundlich | AIC | 23.89 | |
| KF [(mg g-1) (mg L-1)-1/nF] | 11.70 ± 3.213 | Radke-Prausnitz | |
| nF | 5.543 ± 1.956 | AR [L g-1] | 5.554 ± 0.158 |
| r2 | 0.6886 | RR [L mg-1] | 28.6 ± 0.49 |
| ASS | 386.8 | BR | 1.717E-016 ±000.0103 |
| Sy.x | 4.193 | r2 | 0.9757 |
| AIC | 73.92 | ASS | 212.6 |
| Temkin | Sy.x | 0.4617 | |
| AT [L mg-1] | 116.6 ± 39.67 | AIC | -1540 |
| BT [J mol-1] | 377.3 ± 13.8 | Redlich-Peterson | |
| r2 | 0.7404 | KRP [L g-1] | 4.158 ± 0.037 |
| ASS | 2266 | ARP [(L mg-1)BRP] | 0.113 ± 0.0017 |
| Sy.x | 1.507 | BRP | 0.989 ± 0.001 |
| AIC | 824.0 | r2 | 0.9961 |
| Halsey | ASS | 34.04 | |
| KH [(L g-1)-1/nH] | 4.236E-012 ± 2.32E-012 | Sy.x | 0.1848 |
| nH | -0.1066 ± 0.0051 | AIC | -3372 |
| r2 | 0.6833 | Toth | |
| ASS | 2765 | qm [mg g-1] | 27.71 ± 1.29 |
| Sy.x | 1.664 | bT [(L mg-1 )-1/ nT] | 0.11 ± 0.03423 |
| AIC | 1023 | nT | 0.6536 ± 0.2326 |
| Dubinin-Radushkevich | r2 | 0.9636 | |
| qm [mg g-1] | 27.15 ± 0.06 | ASS | 45.19 |
| BDR [mol2 J-2] | 2.789E005± 0.095E005 | Sy.x | 1.467 |
| r2 | 0.9052 | AIC | 25.29 |
| ASS | 827.4 | ||
| Sy.x | 2.9105 | ||
| AIC | -183.5 | ||