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Updated: Jun 9, 2025

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轮胎磨损颗粒在污泥脱水上的差异抑制通过老化模式

Kun Li¹, Zhangle Chen¹, Wanqi Hao¹

¹School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China; Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing 210044, China.

Journal of hazardous materials

|October 21, 2024

概括

轮胎磨损颗粒 (TWPs) 在高度下显著影响废水污泥. 陈旧的TWPs诱导和亡,通过各种机制影响污泥净化和脱水效率.

科学领域:

环境科学环境科学
环境化学环境化学
微生物学微生物学

背景情况:

轮胎磨损颗粒 (TWPs) 是新兴的环境污染物.
了解它们对废水处理过程的生态毒性至关重要.

研究的目的:

评估不同TWP变体对活性污泥的急性毒性.
为了比较冷地磨砂 (C-TWPs) 与老化的TWPs (光衰老,臭氧衰老,芬顿衰老) 的效果.

主要方法:

活性污泥在96小时内暴露在不同度 (0.1和50毫克/升) 的TWPs中.
分析了呼吸,消毒能力,微生物群落结构和细胞死亡机制 (亡,亡).
评估了TWP-蛋白/多糖相关性和污泥脱水特性 (对过的特定抵抗力,结合的水).

主要成果:

在50mg/L的水平下,老化的TWPs显著影响了污泥呼吸,脱污和微生物结构.
老化的TWPs,特别是Fenton-aged (FA-TWPs),通过细胞外活性氧物种 (ROS) 诱导,增加乳酸脱酶释放 (215284%).
低温地磨 TWPs (C-TWPs) 通过细胞内 ROS (358%的增加) 诱导了亡.
所有TWPs都影响了污泥脱水,与蛋白质,多糖和细胞死亡机制相关.

结论:

陈旧的TWPs比C-TWPs对活性污泥功能的风险更大.
由TWP诱导的细胞死亡机制 (和亡) 与污泥脱水问题有关.
环境老化显著改变了TWP的毒性及其与污泥成分的相互作用.

关键词:

衰老的衰老衰老的衰老细菌性亡 (bacterial apoptosis) 是一种导致细菌死亡的过程.细胞外聚合物质是一种细胞外聚合物质.泥的排水是因为泥的排水.轮胎的磨损颗粒可能是轮胎的磨损颗粒.

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