Abstract
Heavy metal pollution such as water contamination by Pb, Hg, Cu, Cd and Cr ions is induced by rapid urbanization and industrialization and is a major threat to human health. One of the most efficient processes to clean contaminated water is adsorption. Adsorbents such as clay minerals and modified clays are efficient for the removal of metal ions from wastewater. This manuscript reviews current research in heavy metal adsorption by clay minerals such as halloysite, bentonite, montmorillonite, vermiculite and attapulgite, from 2013 to 2017, and highlights the main adsorption mechanisms. The structure, composition and synthesis of various clay minerals and modified clays are presented.
| Original language | English |
|---|---|
| Pages (from-to) | 629-654 |
| Number of pages | 26 |
| Journal | Environmental Chemistry Letters |
| Volume | 17 |
| Issue number | 2 |
| DOIs | |
| State | Published - 15 Jun 2019 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Adsorption properties
- Clays and modified clays
- Environmental remediation
- Heavy metal removal
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