Adsorption of heavy metals on conventional and nanostructured materials for wastewater treatment purposes: A review

Alexander E. Burakov, Evgeny V. Galunin, Irina V. Burakova, Anastassia E. Kucherova, Shilpi Agarwal, Alexey G. Tkachev, Vinod K. Gupta

Research output: Contribution to journalReview article

342 Citations (Scopus)

Abstract

The problem of water pollution is of a great concern. Adsorption is one of the most efficient techniques for removing noxious heavy metals from the solvent phase. This paper presents a detailed information and review on the adsorption of noxious heavy metal ions from wastewater effluents using various adsorbents – i.e., conventional (activated carbons, zeolites, clays, biosorbents, and industrial by-products) and nanostructured (fullerenes, carbon nanotubes, graphenes). In addition to this, the efficiency of developed materials for adsorption of the heavy metals is discussed in detail along with the comparison of their maximum adsorption capacity in tabular form. A special focus is made on the perspectives of further wider applications of nanostructured adsorbents (especially, carbon nanotubes and graphenes) in wastewater treatment.

Original languageEnglish
Pages (from-to)702-712
Number of pages11
JournalEcotoxicology and Environmental Safety
Volume148
DOIs
Publication statusPublished - Feb 2018
Externally publishedYes

Keywords

  • Adsorbents
  • Heavy metals
  • Nanostructured materials
  • Wastewater treatment

ASJC Scopus subject areas

  • Pollution
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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