Table 3. Adsorption Isotherm Parameters of MB and CV Adsorbed on MS, OMS-1, and OMS-2 (V = 50 mL, Adsorbent Mass = 0.05 g, T = 25 °C).
Langmuir |
Freundlich |
R–P |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
dyes | adsorbents | qmax (mg g–1) | KL (L mg–1) | R2 | KF (mg g–1) | n | R2 | A (L g–1) | B (×10–4) (L mg–1) | g | R2 |
MB | MS | 532.51 | 0.016 | 0.9879 | 19.36 | 1.60 | 0.9533 | 6.61 | 2.97 | 1.79 | 0.9978 |
OMS-1 | 372.30 | 0.010 | 0.9757 | 12.74 | 1.74 | 0.9519 | 3.00 | 5.50 | 1.50 | 0.9924 | |
OMS-2 | 411.79 | 0.008 | 0.9842 | 10.40 | 1.61 | 0.9557 | 2.68 | 5.40 | 1.90 | 0.9922 | |
CV | MS | 279.56 | 0.004 | 0.9892 | 3.75 | 1.55 | 0.9737 | 0.99 | 17.2 | 1.12 | 0.9899 |
OMS-1 | 394.06 | 0.035 | 0.9556 | 45.63 | 2.47 | 0.8975 | 13.11 | 26.6 | 1.04 | 0.9950 | |
OMS-2 | 393.63 | 0.045 | 0.9651 | 59.48 | 2.79 | 0.9229 | 15.56 | 26.3 | 1.08 | 0.9980 |