Table 1. Adsorption isotherm parameters of Cr(VI) on Alg/PKL beads
Parameter
Value
R
2
Langmuir isotherm
q
max
(mg/g)
478.98
0.924
K
L
(L/mg)
0.03348
Freundlich isotherm
K
f
34.75
0.993
1/n
0.398
Alg: alginate, PKL: polyethyleneimine-grafted lignin.