How to increase the swelling capacity and colloidal value of bentonite?
Sodium bentonite of calcium bentonite with high swelling capacity.
The swelling capacity of bentonite is the same as that of colloid, which is used to test the swelling property of bentonite.
To improve the capacity expansion in the premise of the original soil, according to the CEC conversion of sodium alkali, thoroughly. In my experience, the amount of blue CEC is moderate, and the expansion capacity to 50ml (1g- is checked by GB/T20973--2007) is very easy.
