Research Article

Reuse of Zeolite By-Products Derived from Petroleum Refining for Sustainable Roads

Table 2

Composition of subproduct zeolites.

ComponentZeolite 1Zeolite 2

P2O5 (%)1.381.63
Oxides (%)1.631.64
Calcium (mg/kg)8347
Copper (mg/kg)17<10
Iron (mg/kg)3.0572.635
Magnesium (mg/kg)164132
Nickel (mg/kg)1.0481.350
Sodium (mg/kg)2.1591.809
Vanadium (mg/kg)502701