Research Article
Characterization and Potential of Samanea saman-Activated Carbon on Adsorption of Copper from an Aqueous Solution
Table 4
The summary of the calculation results.
| Isoterm | Curve | Parameters | SSAC | CAC |
| Pseudo-first-order | Linear curve | | 0.0633 | 0.0626 | | 0.5864 | 0.9479 | | 1.5014 | 0.1193 | MSE | 0.2023 | 0.0161 | RMSE | 0.4497 | 0.1267 | Nonlinear curve | | 0.0588 | 0.0596 | | 0.8881 | 0.4763 | χ 2 | 0.0007 | 0.0020 | MSE | 0.0005 | 0.0015 | RMSE | 0.0235 | 0.0382 |
| Pseudo-second-order | Linear curve | | 6.48 | 2.49 | | 0.9997 | 0.9996 | | <0.0001 | <0.0001 | MSE | 0.0087 | 0.1956 | RMSE | 0.0933 | 0.4423 | Nonlinear curve | | 6.23 | 2.24 | | 0.9978 | 0.7761 | | <0.0001 | <0.0001 | MSE | 0.00001 | 0.0006 | RMSE | 0.0033 | 0.0249 |
| Elovich | Linear curve | | 86.272 | 65.25 | | 0.7415 | 0.9592 | | 0.0018 | 0.0002 | MSE | 0.0013 | 0.0001 | RMSE | 0.0358 | 0.0106 |
| Interparticle diffusion | Linear curve | | 0.0233 | 0.0224 | | 0.7229 | 0.3657 | | 0.0044 | 0.0011 | MSE | 0.0032 | 0.0007 | RMSE | 0.0562 | 0.0278 |
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