Study on the Permeability of Modified Bentonite Slurry in Landfill

Table 1

Performance indicators of bentonite.

Colloid valence (ml/15 g±)	Granularity (mesh number)	Ion exchange capacity (meg/100±)	Initial moisture content (%)	Liquid limit (%)	Plastic limit (%)	Plasticity index (%)
90	180	>70	10.0	260	40	237