In this chapter book you can find a comprehensive explanation:
ROUQUEROL, Françoise. "Adsorption by clays, pillared layer structures and zeolites." Adsorption by powders and porous solids (1999).
Also this is a valuable research article:
Adeyemo, Aderonke Ajibola, Idowu Olatunbosun Adeoye, and Olugbenga Solomon Bello. "Adsorption of dyes using different types of clay: a review." , Water Science 7.2 (2017): 543-568.