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. 2019 Sep 16;11(9):1509. doi: 10.3390/polym11091509

Table 2.

Langmuir and Freundlich parameters of the sorbents for zinc removal.

Experimental Langmuir Freundlich
Sorbent qexp
(mmol g−1)		 qmax
(mmol g−1)		 kL
(L mmol−1)		 r 2 kF
(mmol1-1/n g−1 L1/n)		 n F r 2
Alumina 0.55 0.71 0.57 0.970 0.22 1.99 0.950
CAAl 1.15 1.33 1.06 0.975 0.58 2.33 0.991