Journal
ENVIRONMENTAL CHEMISTRY LETTERS
Volume 17, Issue 3, Pages 1271-1280Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10311-019-00881-1
Keywords
Low molecular weight anionic ligands; Heavy metals; Sorption; Soil constituents
Funding
- Fundamental Research Funds for the Central Universities [2662017JC009]
- National Key Research and Development Plan of China [2017YFD0801002, 2017YFD0801502]
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The sorption of heavy metals by soil constituents reduces the absorption of these pollutants by crops and vegetables, and thus limit food contamination. Low molecular weight anionic ligands are ubiquitous in soil and they influence the sorption of heavy metals. Here we review the influence of small anionic ligands on the sorption of heavy metals by soil constituents. We discuss the mechanisms of anionic ligand impact on heavy metal sorption by soil constituents; the influence of anionic ligands on heavy metal sorption by composites of soil constituents; and (4) the influence of mixed anionic ligands on heavy metal sorption. The information in this review will facilitate the assessment and control of heavy metal pollution in soils.
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