Recent advances on nano zero-valent iron composites for remediation of polluted soil
Soil pollution severely threatens the safety of agricultural products and human health.In recent years,nano zero-valent iron(nZVI)composites have been widely utilized for remediation of polluted soil due to their environmental friendliness,easy synthesis,low cost and excellent chemical activity.However,few investigations on the remediation of the different contaminants in soils were available.In this review,the recent advances of remediation of polluted soil,including heavy metals,organic pollutants and oil pollutants,was reviewed in details.The effect of the different properties of nZVI-based composites on the remediation of various pollutants in soils was mainly evaluated.Lastly,the conclusions and prospective were put forward.This review will provide theoretical basis and guiding significance for the better application of nZVI-based composites to the remediation of polluted soil.
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