Nanotechnology for environmental remediation: Materials and applications

Fernanda D. Guerra, Mohamed F. Attia, Daniel C. Whitehead, Frank Alexis

Research output: Contribution to journalReview articlepeer-review

387 Scopus citations

Abstract

Environmental remediation relies mainly on using various technologies (e.g., adsorption, absorption, chemical reactions, photocatalysis, and filtration) for the removal of contaminants from different environmental media (e.g., soil, water, and air). The enhanced properties and effectiveness of nanotechnology-based materials makes them particularly suitable for such processes given that they have a high surface area-to-volume ratio, which often results in higher reactivity. This review provides an overview of three main categories of nanomaterials (inorganic, carbon-based, and polymeric-based materials) used for environmental remediation. The use of these nanomaterials for the remediation of different environmental contaminants—such as heavy metals, dyes, chlorinated organic compounds, organophosphorus compounds, volatile organic compounds, and halogenated herbicides—is reviewed. Various recent examples are extensively highlighted focusing on the materials and their applications.

Original languageEnglish
Article number1760
JournalMolecules
Volume23
Issue number7
DOIs
StatePublished - 2018
Externally publishedYes

Keywords

  • Contaminants
  • Environmental remediation
  • Nanomaterials
  • Nanostructures
  • Nanotechnology
  • Pollutants

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