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 (%)
SiO2Al2O3CaOFe2O3SO3

72.0218.415.762.231.582.65487.90