Table 2.
PFOM | β-CDs-EPI | HP-β-CDs-EPI | ||||||
Co (mg/L) | qeexp | qecal | k1 (min−1) | R2 | qeexp | qecal | k1 (min−1) | R2 |
25 | 1.115 | 0.676 | 0.061 | 0.904 | 0.961 | 0.719 | 0.060 | 0.970 |
50 | 2.263 | 1.465 | 0.061 | 0.934 | 1.871 | 1.367 | 0.051 | 0.950 |
75 | 3.442 | 2.167 | 0.066 | 0.930 | 2.793 | 2.259 | 0.057 | 0.969 |
100 | 4.621 | 2.924 | 0.070 | 0.943 | 3.668 | 2.944 | 0.065 | 0.967 |
150 | 6.723 | 4.897 | 0.057 | 0.948 | 5.136 | 4.570 | 0.056 | 0.985 |
200 | 8.964 | 7.211 | 0.055 | 0.968 | 6.934 | 6.309 | 0.078 | 0.990 |
250 | 11.413 | 7.852 | 0.064 | 0.944 | 8.110 | 7.834 | 0.070 | 0.991 |
300 | 13.415 | 11.324 | 0.055 | 0.978 | 9.338 | 8.336 | 0.061 | 0.977 |
PSOM | β-CDs-EPI | HP-β-CDs-EPI | ||||||
Co (mg/L) | qeexp | qecal | K2 (min−1) | R2 | qeexp | qecal | K2 (min−1) | R2 |
25 | 1.115 | 1.153 | 0.232 | 0.999 | 0.961 | 1.0 | 0.2 | 0.999 |
50 | 2.263 | 2.336 | 0.104 | 0.999 | 1.871 | 1.988 | 0.074 | 0.999 |
75 | 3.442 | 3.546 | 0.0821 | 0.999 | 2.793 | 2.994 | 0.045 | 0.999 |
100 | 4.621 | 4.761 | 0.0681 | 0.999 | 3.668 | 3.906 | 0.044 | 0.998 |
150 | 6.723 | 7.092 | 0.0243 | 0.999 | 5.136 | 5.617 | 0.0193 | 0.996 |
200 | 8.964 | 9.615 | 0.0133 | 0.999 | 6.934 | 7.518 | 0.0176 | 0.993 |
250 | 11.413 | 11.834 | 0.0197 | 0.999 | 8.110 | 8.771 | 0.0149 | 0.993 |
300 | 13.415 | 14.471 | 0.00821 | 0.998 | 9.338 | 9.803 | 0.0154 | 0.993 |
EMTM | β-CDs-EPI | HP-β-CDs-EPI | ||||||
Co (mg/L) | α | β | R2 | α | β | R2 | ||
25 | 1.831 | 8.771 | 0.868 | 1.472 | 7.751 | 0.904 | ||
50 | 3.254 | 4.166 | 0.885 | 1.845 | 3.571 | 0.934 | ||
75 | 6.841 | 2.932 | 0.853 | 1.948 | 2.083 | 0.880 | ||
100 | 15.119 | 2.325 | 0.855 | 2.992 | 1.692 | 0.817 | ||
150 | 11.834 | 1.052 | 0.881 | 1.698 | 0.956 | 0.871 | ||
200 | 8.076 | 0.649 | 0.894 | 2.669 | 0.725 | 0.772 | ||
250 | 22.08 | 0.740 | 0.844 | 1.472 | 7.751 | 0.904 | ||
300 | 11.02 | 0.404 | 0.888 | 1.845 | 3.571 | 0.934 | ||
IDM | β-CDs-EPI | HP-β-CDs-EPI | ||||||
Co (mg/L) | qeexp | qecal | Ki (mg/g min1/2) | R2 | qeexp | qecal | Ki (mg/g min1/2) | R2 |
25 | 1.115 | 0.807 | 0.0329 | 0.730 | 0.961 | 0.613 | 0.037 | 0.770 |
50 | 2.263 | 1.600 | 0.0693 | 0.751 | 1.871 | 1.094 | 0.082 | 0.816 |
75 | 3.442 | 2.529 | 0.0974 | 0.708 | 2.793 | 1.513 | 0.138 | 0.740 |
100 | 4.621 | 3.481 | 0.122 | 0.708 | 3.668 | 2.160 | 0.166 | 0.661 |
150 | 6.723 | 4.139 | 0.273 | 0.745 | 5.136 | 2.379 | 0.298 | 0.726 |
200 | 8.964 | 4.779 | 0.444 | 0.760 | 6.934 | 3.506 | 0.382 | 0.606 |
250 | 11.413 | 7.796 | 0.384 | 0.698 | 8.110 | 4.111 | 0.440 | 0.615 |
300 | 13.415 | 6.735 | 0.711 | 0.750 | 9.338 | 4.879 | 0.471 | 0.633 |
PFOM: Pseudo first order model; PSOM: Pseudo second order model; EMTM: Elovich Mass Transfer Model; IDM: Intraparticle diffusion model.