Influence of low molecular weight anionic ligands on the sorption of heavy metals by soil constituents: a review

被引:0
|
作者
Jun Zhu
Qingling Fu
Guohong Qiu
Yurong Liu
Hongqing Hu
Qiaoyun Huang
Antonio Violante
机构
[1] Huazhong Agricultural University,Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, College of Resources and Environment
[2] University of Naples “Federico II”,Faculty of Agriculture
来源
Environmental Chemistry Letters | 2019年 / 17卷
关键词
Low molecular weight anionic ligands; Heavy metals; Sorption; Soil constituents;
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摘要
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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页码:1271 / 1280
页数:9
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