Research Article
Effect of Osmotic Pressure on Migration Behavior of nZnO in GCLs
Table 2
Basic properties of bentonite.
| Mineral composition (%) | Montmorillonite | 67 | Kaolinite | 14 | Illite | 12 | Orthoclase | 4 | Quartz | 2 |
| Chemical composition (%) | SiO2 | 57.2 | Al2O3 | 16.5 | CaO | 3.4 | TiO2 | 0.8 | Fe2O3 | 5.7 | Na2O | 3.3 | K2O | 0.7 | MgO | 3.7 |
| Ion exchange capacity (mmol/g) | Na+ | 0.445 | K+ | 0.010 | Ca2+ | 0.159 | Mg2+ | 0.017 |
| Initial water content (%) | | 17.0 |
| Initial thickness (mm) | | 6.65 |
| pH | | 9.89∼10.67 |
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