what is bentonite
clay derived from weathering of volcanic ash
what is special about bentonite
ability to swell, giving it plastic nature
what is the structure of bentonite
3 layer sheet silicate
2 tetrahedral
1 octahedral
is bentonite hydrophilic/phobic and organophilic/phobic
Hydrophilic
Organophilic
what are the uses of bentonite
Pitch control (organophilic)
cleaning process water
retention aid (anionic character with high surface area supports flocculation)