Adsorption Property of Pb(II) by the Laterite-Bentonite Mixture Used as Waste Landfill Liner

Table 1

Some geotechnical and chemical properties of laterite.

Natural dry density, ρ (g·cm^−3)	1.35
Natural water content, ω (%)	37.14
Natural void ratio, e	0.96
Specific gravity, Gs	2.65
Plastic limit, ωp (%)	29.8
Liquid limit, ωL (%)	57.0
Clay particle fraction (%)	69
Silt particle fraction (%)	31
Mineral component (%)	Kaolinite (80.2); quartz (12.5); monticellite (6.4)
Chemical component (%)	SiO2 (49.96); Al2O3 (28.91); Fe2O3 (17.02); TiO2 (1.59); K2O (1.41)