Method  Solution Concentrations  Relation Clay/Water (g/mL)  Mass of Clay  d001 (Å)  SBET (m2/g)  Observation (Pillaring Agent)
Natural  -  -  -  15.1  58  -
Traditional  0.2 mol/L  1/100  3 g  17.8  234  6 days
3  0.6 mol/L  1/100  10 g  17.9  216  6 days
11  0.6 mol/L  1/100  10 g  17.6  237  60 °C, 24 h
12  1.2 mol/L  1/100  20 g  17.7  191  6 days
13  1.2 mol/L  1/100  20 g  17.5  251  60 °C, 24 h
14  1.5 mol/L  1/100  50 g  16.6  179  6 days
15  1.2 mol/L  1/100  50 g  17.6  197  6 days
16  1.2 mol/L  1/100  50 g  17.6  233  60 °C, 24 h