Research Article
Reuse of Zeolite By-Products Derived from Petroleum Refining for Sustainable Roads
Table 2
Composition of subproduct zeolites.
| Component | Zeolite 1 | Zeolite 2 |
| P2O5 (%) | 1.38 | 1.63 | Oxides (%) | 1.63 | 1.64 | Calcium (mg/kg) | 83 | 47 | Copper (mg/kg) | 17 | <10 | Iron (mg/kg) | 3.057 | 2.635 | Magnesium (mg/kg) | 164 | 132 | Nickel (mg/kg) | 1.048 | 1.350 | Sodium (mg/kg) | 2.159 | 1.809 | Vanadium (mg/kg) | 502 | 701 |
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