Table 5

Kinetic models for LEV adsorption on NZ at 298 K

Pseudofirst-order
Pseudosecond-order
Intraparticle diffusion
k1 (min)qe (mg·g−1)R2k2 (min)qe (mg·g−1)R2kp1 (mg·g−1·min−1/2)kp2 (mg·g−1·min−1/2)kp3 (mg·g−1·min−1/2)
0.0122 9.96 0.9490 0.0994 9.95 0.9998 1.631 0.2352 0.0230 
0.0080 13.21 0.9152 0.0748 13.14 0.9996 2.625 0.4339 0.1456 
0.9189 20.91 0.9428 0.0470 20.95 0.9996 3.396 0.8193 0.1208 
Pseudofirst-order
Pseudosecond-order
Intraparticle diffusion
k1 (min)qe (mg·g−1)R2k2 (min)qe (mg·g−1)R2kp1 (mg·g−1·min−1/2)kp2 (mg·g−1·min−1/2)kp3 (mg·g−1·min−1/2)
0.0122 9.96 0.9490 0.0994 9.95 0.9998 1.631 0.2352 0.0230 
0.0080 13.21 0.9152 0.0748 13.14 0.9996 2.625 0.4339 0.1456 
0.9189 20.91 0.9428 0.0470 20.95 0.9996 3.396 0.8193 0.1208 
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