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Journal of Nanotechnology
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2021
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Article
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Tab 2
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Research Article
Adsorptive Removal of Cd(II) Ions from Wastewater Using Maleic Anhydride Nanocellulose
Table 2
Langmuir and Freundlich isotherm constants for Cd(II) ion adsorption by CNC and MA-CNC sorbent at 25°C.
Adsorption isotherm
Langmuir model
Freundlich model
Adsorbents
Q
max
(mg/g)
b
R
L
R
2
k
f
n
R
2
(Δ
G
°)
CNC
75.76
0.43
0.104
0.977
0.93
3.57
0.936
−1.576
MA-CNC
215.52
0.083
0.602
0.977
0.91
1.97
0.932
−0272