Research Summary:
Nature is full of various nanomaterials and nanostructures that have inspired and helped human life and civilization in the advancement of science and technology. Among these materials are clays, which are abundantly found in rocks and earth structures. The mineral montmorillonite, known as a clay nanoparticle, is the major phase in bentonite.
This nanoclay, with a thickness of about 10 angstroms, includes unique properties such as expansion, high specific surface area, and electrical properties. It also has a high cation exchange capacity and has found numerous applications in industry and research. Among its uses are its role as the basis for catalytic filler reactions and its application in the removal of potentially toxic elements (PTEs) from the environment.
This study includes many reports related to purified montmorillonite as a nano-adsorbent, particularly for the removal of a range of PTEs from the environment. In addition, the review considers sources, special structural features, as well as the different forms of montmorillonite, whether modified or unmodified, as eco-friendly components for environmental treatment.
Keywords: Bentonite · Montmorillonite · Nanomaterials · Potentially toxic elements (PTEs) · Environmental pollution.
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