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揭示河湖沉积物中的多环芳污染动态:能源转型的洞察力

Yu Ma¹, Chunzhao Chen², Chao Yang¹

¹State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai, 200092, China; College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China.

Journal of environmental management

|March 3, 2025

概括

轻工业对城市河流中的多环芳 (PAH) 产生重大影响,织和航运部门的煤炭和石油燃烧是主要来源. 这些污染物带来了生态风险,即使在饮用水供应附近.

科学领域:

环境化学环境化学
生态毒理学生态毒理学
工业污染工业污染工业污染

背景情况:

多环芳 (PAH) 是一种持久性有机污染物,通常与重工业有关.
轻工业对城市河流系统中PAH污染的贡献未得到充分研究.
了解PAH来源对于环境保护和公共卫生至关重要.

研究的目的:

在城市化河流及其支流的沉积物中量化16种优先PAH.
评估当地轻工业,特别是织业和航运业对PAH分布的影响.
在研究的河流系统中确定PAHs的主要来源.

主要方法:

从一个城市化的河流及其支流收集了沉积物样本.
对16种优先级的PAH进行量化,使用气体染色学与三重四极质谱学 (GC-MS/MS) 相结合.
使用统计分析来确定PAH来源及其贡献.

主要成果:

沉积物PAH度在244至24,616 ng/g dw之间,其中高分子量PAH占主导地位.
中流的PAH水平显著更高,与织和航运业活动相关.
来自当地工业的煤炭和石油燃烧占了沉积物PAH负载的88%.

结论:

轻工业,特别是织和航运,是城市河流中PAH污染的重要贡献者.
季节性变化和水资源管理实践 (沟门操作) 影响相关湖泊的PAH度.
河流沉积物中的PAH存在普遍的生态风险,需要有针对性的能源转型和水保护战略.

关键词:

生态风险生态风险化石燃料是一种化石燃料.这些PAHs是PAH.沉积物沉积物是一种沉积物.时间空间的变化.织工业织行业织行业织行业

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