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