腐植酸在污染土壤修复中的应用研究进展

Research Progress on Application of Humic Acid in Contaminated-soil Remediation

土壤污染已经成为全球土壤功能退化的主要威胁之一。然而,由于造成土壤污染的原因复杂,污染物种类繁多且污染程度存在较大差异,因此迫切需要寻找解决土壤污染问题的方法。腐植酸作为一种天然的有机混合物,在污染土壤修复中展现出了巨大的潜力。本文综述了国内外腐植酸在修复重金属、有机污染物和放射性物质等污染土壤中的应用效果,并探讨了腐植酸在污染土壤修复中的机制,指出污染土壤中腐植酸修复技术的优势和不足以及未来的应用前景,以期为腐植酸在污染土壤治理中的应用提供一定的参考。

Soil pollution has become one of the major threats to global soil function degradation.However,the causes of soil pollution is complex,there are many kinds of pollutants,and the degree of pollution is very different.Thus,it is urgent to find a way to solve the problem of soil pollution.As a natural organic mixture,humic acid has shown great potential in the contaminated-soil remediation.The application effects of humic acid in the contaminated-soil by heavy metals,organic pollutants and radioactivity material at home and abroad were reviewed in this paper.The remediation mechanism of humic acid in contaminated-soil was discussed.The advantages and limitations of contaminated-soil remediation technology with humic acid and its future application prospects were pointed out,all of these may provide scientific basis for contaminated-soil remediation with humic acid.