Table 2. Best-Fit Parameters of the Kinetic and Isotherm Models for RR120 Adsorption Onto 10%-CuO/BC.
model | parameter 1 | parameter 2 | R2 |
---|---|---|---|
pseudo-first-order | k1 = 6.799 h–1 | qe = 53.3 mg g–1 | 0.767 |
pseudo-second-order | k2 = 0.202 g mg–1 h–1 | qe = 55.9 mg g–1 | 0.952 |
Elovich | α = 28510.712 mg g–1 h–1 | β = 0.182 g mg–1 | 0.947 |
Langmuir | KL = 0.001 L mg–1 | qm = 1399 mg g–1 | 0.986 |
Freundlich | Kf = 4.01 mg(1–n) Ln g–1 | nf = 0.765 | 0.992 |