Article ; Online: Arsenic pollution concerning surface water and sediment of Jie River: A pilot area where gold smelting enterprises are concentrated.
2024 Volume 249, Page(s) 118384
Abstract: ... and sediment is performed in the Jie River basin, where gold smelting enterprises are concentrated ... euglena are the main phytoplankton in the Jie River while toxic cyanobacteria exhibits lower resistance ...
Abstract | A comprehensive monitoring and risk assessment of arsenic (As) pollution concerning surface water and sediment is performed in the Jie River basin, where gold smelting enterprises are concentrated. The study area is divide into six regions, labeled as A, B, C, D, E, and F, from sewage outlets to downstream. Results shows that with far away from the sewage outlets, the total As concentrations in water and sediment gradually decrease from regions A to F. However, in region F, the concentration of bioavailable As significantly increases in the sediment due to the higher pH, leading to the transformation of As(V) into more mobile As(III). In sediment, Paracladius sp. exhibits strong resistance to As pollution in sediment, which can potentially elevate the risk of disease transmission. In water bodies, diatoms and euglena are the main phytoplankton in the Jie River while toxic cyanobacteria exhibits lower resistance to As pollution. Overall, measures should be taken to ecologically remediate the sediment in downstream while implementing appropriate isolation methods to prevent the spread of highly contaminated sediments from regions near sewage outlets. |
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Language | English |
Publishing date | 2024-02-01 |
Publishing country | Netherlands |
Document type | Journal Article |
ZDB-ID | 205699-9 |
ISSN | 1096-0953 ; 0013-9351 |
ISSN (online) | 1096-0953 |
ISSN | 0013-9351 |
DOI | 10.1016/j.envres.2024.118384 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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