Research Article
Column Efficiency of Fluoride Removal Using Quaternized Palm Kernel Shell (QPKS)
Table 7
Constant values of Thomas model at different bed heights and initial concentrations by QPKS.
| Parameter | QPKS | KTh (ml/min·mg) | qe (mg/g) | R2 |
| Bed height (cm) | 2 | 0.1841 | 5.6199 | 0.97 | 6 | 0.1428 | 10.7549 | 0.98 | 10 | 0.1066 | 16.5582 | 0.96 |
| Initial fluoride concentration (mg/L) | 2 | 0.1293 | 11.8778 | 0.98 | 8 | 0.0550 | 27.9046 | 0.99 | 12 | 0.0692 | 22.1989 | 0.98 |
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