Abstract
Pillared interlayered clays have interesting properties such as high surface area, pore volume and extended pore size, high thermal stability, strong surface acidity and catalytic active substrates/metal oxide pillars. This article discusses the role of pillared clay as an adsorbent in various environmental and industrial applications. We present recent applications of clay-based porous nanomaterials in mitigation of pollutants such as heavy metals, vapours and gases, even at trace levels. Due to their unique characteristics, pillared clays are attractive candidates for catalytic decomposition, oxidation and adsorption of pollutants from gaseous and aqueous phases. This review explores the potential of different types of pillared clays as an adsorbent for various environmental applications.
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