Purified montmorillonite as a nano-adsorbent of potentially toxic elements from environment: an overview

Zahra Biglari Quchan Atigh, Pourya Sardari, Ebrahim Moghiseh, Behnam Asgari Lajayer*, Andrew S. Hursthouse*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

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, electrical properties, cation exchange capacity, and has found applications in industry and research. Amongst its uses are 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 ecofriendly components for environmental treatment.
Original languageEnglish
Article number12
Number of pages21
JournalNanotechnology for Environmental Engineering
Volume6
DOIs
Publication statusPublished - 4 Mar 2021

Keywords

  • bentonite
  • montmorillonite
  • nanomaterials
  • potentially toxic elements
  • environmental pollution

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