Ultrasoft Ground Treatment of Vacuum Preloading Combined with Calcium-Based Flocculants

Table 2

Basic properties of flocculants.

Flocculants	Molecular weight	Purity (%)	Impurity content (%)	Insoluble matter content (%)	Heavy metal content (%)
CaCl2	110.99	≥96	≤0.5	≤0.015	≤0.5
Ca(OH)2	74.09	≥95	≤1.0	≤0.25	≤0.002