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. 2019 Dec 13;2019:6862825. doi: 10.1155/2019/6862825

Table 4.

Pseudo-first order, pseudo-second-order, Elovich, external mass transfer, Boyd, and intraparticle diffusion parameters for IC and 2,6-DCPIP adsorption onto CTAB-modified POF.

Kinetic models Constants IC 2,6-DCPIP
Pseudo-first-order model q exp(µmol · g−1) 222.107 102.306
q e(µmol · g−1) 83.414 71.385
K 1ads(min−1) 0.014 0.030
R 2 0.971 0.907

Pseudo-second-order model q exp(µmol · g−1) 222.107 102.306
q e(µmol · g−1) 234.192 112.233
K 2ads(g · µmol−1 · min−1) 0.002 0.004
h (μmol·g−1·min−1) 100.604 45.683
t 1/2 (min) 2.328 2.457
R 2 0.999 0.998

Elovich model α (mmol·g−1·min−1) 2.860 0.315
β (g·μmol−1) 0.038 0.062
R 2 0.974 0.936

External mass transfer β L S × 103(min−1) 3.370 1.940
R 2 0.729 0.624

Boyd model B(min−1) 0.073 0.162
D i × 109(cm2/s) 3.070 6.843
R 2 0.971 0.906

Intraparticle diffusion model K ip1 (μmol·g−1·min−1/2) 18.322 13.739
K ip2 (μmol·g−1·min−1/2) 0.974 2.298
C 1 (μmol·g−1) 121.445 38.601
C 2 (μmol·g−1) 217.767 90.936
R 1 2 0.953 0.953
R 2 2 0.310 0.723