The Uptake and Degradation of Polychlorinated Biphenyls in Constructed Wetlands Planted with Myriophyllum Aquaticum
Environmental science and pollution research international(2024)
摘要
The unregulated dismantling and improper disposal of electronic waste lead to severe soil contamination by polychlorinated biphenyls (PCBs). Constructed wetlands (CWs) play an important role in PCBs removal as a result of the co-existence of anaerobic and aerobic conditions. However, the effects and mechanisms of different PCBs concentrations in soils on plant uptake and PCBs degradation within CWs are unclear. We evaluated the uptake and degradation of PCBs at different concentrations by Myriophyllum aquaticum (Vell.) Verdc. Planting significantly increased PCBs removal by 8.70
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关键词
Constructed wetlands,Myriophyllum aquaticum,Polychlorinated biphenyls,Different concentrations,Microbial degradation,Plant uptake
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