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Table 8 Calculated values of the kinetic models’ constants and their correlation coefficients (R2) for the adsorption of phenol

From: Optimization of phenol adsorption from synthetic wastewater by synthesized BiFeO3 perovskite material, using split-plot central composite design

Kinetic model Parameter Value
Pseudo-first order qe cal 1.95
qe exp 6.14
k1 0.00059
R2 0.7952
Pseudo-second order qe cal 7.58
qe exp 6.14
k2 0.035
R2 0.998