Research Article
Biosorption Study of Methylene Blue (MB) and Brilliant Red Remazol (BRR) by Coconut Dregs
Table 4
Comparison of first-order and second-order adsorption rate constants.
| | Dye | C0 (mg/L) | qe,exp (mg/g) | First-order kinetic model | Second-order kinetic model | | qe,cal (mg/g) | K1 (L/min) | R2 | qe,cal (mg/g) | K2 (g/mg.min) | R2 |
| | MB | 50 | 5.1259 | 4.3853 | 0.0219 | 0.9176 | 5.8445 | 173.0248 | 0.9509 | | BRR | 50 | 3.0957 | 3.9564 | 0.0177 | 0.9742 | -2.4969 | 391.6893 | 0.5636 |
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