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易于合成用尿素修饰的污水污泥生物炭,通过电子转移通路有效降解硫甲醇

Yingjian Yu¹, Yulong Li², Jingyue Bao³

¹Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China; School of Environment and Biological Engineering, Wuhan Technology and Business University, Wuhan, 430065, PR China.

Environmental pollution (Barking, Essex : 1987)

|April 17, 2025

概括

N-化污泥生物炭通过激活周期性有效地从水中去除抗生素硫甲 (SMX). 这种可持续的方法利用废物污泥,减少SMX的毒性,为抗生素污染提供一个环保的解决方案.

科学领域:

环境化学环境化学
材料科学材料科学材料科学
水处理处理水的方法

背景情况:

环境中的抗生素残留物构成生态风险.
开发有效的抗生素去除方法至关重要.
废弃活性污泥为材料合成提供了潜在的资源.

研究的目的:

合成N-化污泥生物炭 (NSBC) 用于周期性激活.
为了研究NSBC激活的周期酸在去除硫甲醇 (SMX) 的效率.
探索SMX转化产品的降解途径和生态毒性.

主要方法:

从废弃活性污泥和尿素中合成NSBC.
使用NSBC和周期 (PI) 进行SMX去除的批量实验.
干扰,火,EPR和电化学分析以阐明降解机制.
使用ECOSAR模型对降解产品的分析和生态毒性评估.

主要成果:

通过PI激活,NSBC在60分钟内便于完全移除SMX.
在广泛的pH范围 (3-9) 中保持了高的SMX去除效率.
降解通过由电子转移驱动的非激进途径发生.
SMX被转化为毒性较低的产品,降低了植物毒性.

结论:

在去除SMX中,NSBC是周期性激活的有效催化剂.
该方法为废物污泥利用提供了一种可持续的方法.
这项研究提出了一个环保的解决方案,以减轻水生环境中的抗生素污染.

关键词:

非激进机制的非激进机制周期日期周期日期污泥生物炭是一种生物炭.硫甲醇 (SMX) 是一种改性尿素 (MOU) 是一种修饰性尿素.

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