Adsorbent
(mol.:mol.%)
Langmuir isotherm Parameters Freundlich isotherm parameters
KL(min-1) R12 q max (mg/g) KF (mg/g) R22 1/n
PVA/p(90NIPAm-10AAm) 0.00228 0.9956 138.88 1.1405 0.9999 0.213
PVA/p(70NIPAm-30AAm) 0.00186 0.9970 121.95 1.0939 0.9988 0.213
PVA/p(50NIPAm-50AAm) 0.00204 0.9976 107.25 0.8985 0.9941 0.260
PVA/p(30NIPAm-70AAm) 0.00217 0.9983 93.45 0.8249 0.9995 0.268
PVA/p(10NIPAm-90AAm) 0.00225 0.9979 86.20 0.7851 0.9923 0.272
Table 2: Langmuir and Freundlich adsorption isotherm parameters.