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Table 2 Isotherm parameters of cadmium adsorption on OP

From: Orange peel as low-cost adsorbent in the elimination of Cd(II) ion: kinetics, isotherm, thermodynamic and optimization evaluations

IsothermsParametersOP
LangmuirQmax (mg/g)128.23
RL0.241
b (mg/L)0.114
R20.995
FreundlichKF (mg/g) (mg/L)−1/254.531
n1.665
R20.996
D–RQ (mg/g)134.321
ε (molJ−1)20.752
E (kJmol−1)0.757
R20.993
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