Fugitive Morphology Distribution Pattern and Leaching Characteristics of Hazardous Impurities in Phosphogypsum Slag Field
The presence of phosphorus(P),fluorine(F),heavy metals and other elements in phosphogypsum poses a serious threat to the ecological environment.The distribution of pH,P,F and heavy metal in different spatial locations of the phosphogypsum residue field was analyzed in this paper.The results showed that water content increased initially and then decreased with the increase of depth.pH showed a trend of first alkaline and then acidic with the increase of depth.The different water content led to diverse distribution patterns of toxic and harmful substances.Specifically,an increase in water content led to the rise of phosphorus,fluorine and heavy metal leaching toxicity,among which fluorine,manganese and lead had the most significant impact.It was found that diverse patterns of heavy metal accumulation in different depths are attributed not only due to the characteristics of phosphogypsum itself,but also the environmental influences and the nature of heavy metals.In conclusion,this study provides an essential research foundation for the distribution of pollution traits of phosphogypsum,as well as crucial data support for the targeted treatment of phosphogypsum.
万方数据
维普
