Table 2 Fitting results of Langmuir and the Freundlich isotherms applied for the adsorption of PFBS and PFOS on β-CD-TP polymer
Isotherms fitting | Parameters | PFASs | |
---|---|---|---|
PFBS | PFOS | ||
Langmuir | qm,exp (mg g−1) | 245 ± 17 | 563 ± 15 |
qm, cal (mg g−1) | 246 ± 15 | 587 ± 55 | |
KL (L mg−1) | 0.31 ± 0.18 | 0.98 ± 0.26 | |
R2 | 0.959 | 0.927 | |
Freundlich | KF (mg g−1) (L mg−1)1/n | 113 ± 6 | 226 ± 10 |
N | 3.39 ± 0.26 | 3.06 ± 0.19 | |
R2 | 0.983 | 0.988 |