Research Article
Runoff Purification Effects of Permeable Concrete Modified by Diatomite and Zeolite Powder
Table 4
Properties of zeolite powder.
| Main chemical components (%) | Density (g/cm3) | Porosity (%) | Moisture content (%) | SiO2 | Al2O3 | CaO | Fe2O3 | SO3 |
| 72.02 | 18.41 | 5.76 | 2.23 | 1.58 | 2.65 | 48 | 7.90 |
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