ANOVA	Analysis of variance
BEP	Bentonite−eggshell composites
EDX	Energy dispersive X-ray
ES	Eggshell
ESP	Eggshell powder
FTIR	Fourier Transform Infrared spectroscopy
MC	Moisture content
SEM	Scanning electron microscopy
SP	Swelling power
TEM	Transmission electron microscopy
WA	Water adsorption
WS	Water solubility