Research Article
Sorption of Tetracycline, Oxytetracycline, and Chlortetracycline in Illite and Kaolinite Suspensions
Table 2
Freundlich adsorption isotherm constants of three antibiotics adsorption on illite and kaolinite, saturated with Na-, K-, Ca-, and Al-cations.
| Sorbent | Tetracycline | Oxytetracycline | Chlortetracycline | K | 1/n | K | 1/n | K | 1/n | 293 | 308 | 323 K | 293 | 308 | 323 K | 293 | 308 | 323 K | 293 | 308 | 323 K | 293 | 308 | 323 K | 293 | 308 | 323 K |
| Al-illite | 108 | 100 | 94 | 0.880 | 0.855 | 0.825 | 113 | 105 | 99 | 0.895 | 0.865 | 0.840 | 117 | 109 | 103 | 0.915 | 0.885 | 0.865 | Na-illite | 103 | 97 | 90 | 0.865 | 0.835 | 0.800 | 106 | 101 | 96 | 0.880 | 0.850 | 0.820 | 111 | 104 | 99 | 0.895 | 0.865 | 0.840 | K-illite | 98 | 93 | 85 | 0.845 | 0.820 | 0.795 | 102 | 98 | 93 | 0.860 | 0.830 | 0.805 | 106 | 100 | 95 | 0.875 | 0.855 | 0.830 | Ca-illite | 93 | 88 | 80 | 0.835 | 0.805 | 0.785 | 96 | 92 | 85 | 0.845 | 0.820 | 0.805 | 102 | 96 | 90 | 0.860 | 0.835 | 0.815 | Al-kaolinite | 105 | 98 | 92 | 0.865 | 0.850 | 0.820 | 109 | 103 | 97 | 0.885 | 0.860 | 0.835 | 115 | 107 | 102 | 0.890 | 0.865 | 0.845 | Na-kaolinite | 101 | 95 | 88 | 0.855 | 0.830 | 0.810 | 103 | 98 | 93 | 0.875 | 0.850 | 0.820 | 110 | 103 | 97 | 0.880 | 0.850 | 0.835 | K-kaolinite | 96 | 91 | 86 | 0.840 | 0.810 | 0.790 | 101 | 95 | 90 | 0.860 | 0.835 | 0.805 | 105 | 99 | 93 | 0.865 | 0.845 | 0.820 | Ca-kaolinite | 91 | 86 | 79 | 0.830 | 0.800 | 0.775 | 95 | 90 | 86 | 0.845 | 0.820 | 0.795 | 99 | 93 | 89 | 0.855 | 0.830 | 0.810 |
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