Heavy metal pollution and ecological risk assessment in sludgefrom urban sewage treatment plant
Received Date:2021-03-12
Abstract:As,Pb,and Cr in filter-press sludge were analyzed by atomic fluorescence and ICP-AES.The pollutionlevel and potential ec... Open+
Abstract:As,Pb,and Cr in filter-press sludge were analyzed by atomic fluorescence and ICP-AES.The pollutionlevel and potential ecological risk were analyzed.The results showed that all the five heavy metals weredetected in the sludge,and the order ranked from high concentration to low was Cr>Pb>As>Cd>Hg.Thesingle-factor pollution index of Cd was the highest,which reached slightly polluted level.The heavymetal comprehensive pollution index of sludge was 0.94 which is moderately clean level.The potentialecological risk level of Cd was the highest.The total potential ecological risk level reached the mediumrisk level. Close-
Authors:
- FANG Yuyuan1
- HAN Guanglei2
- XU Min3
Units
- 1.School of Materials and Environmental Engineering,Chizhou University,Chizhou 247000,China
- 2.Anhui Chizhou Jiuhua Power Generation Co.,Ltd.,Chizhou 247000,China
- 3.Environment MonitoringStation of EcoEnvironment Subbureau,Guichi District,Chizhou 247000,China
Keywords
- Sludge
- Heavy metal
- Pollution characteristics
- Potential ecological risk
Citation
FANG Yuyuan,HAN Guanglei,XU Min.Heavy metal pollution and ecological risk assessment in sludge from urbansewage treatment plant[J].Energy Environmental Protection,2021,35(3):
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2021 NO.03