增强的过氧单硫酸盐激活,用于降解由木材制成的脱碳所启动的西普洛素降解
Xiangyu Wang1, Yuwei Li1, Hongjiao Chen1
1State Key Laboratory of Bio-Fibers and Eco-Textiles, Institute of Marine Biobased Materials, School of Materials Science and Engineering, Qingdao University, Qingdao, 266071, PR China.
Environmental research
|October 5, 2025
概括
这项研究引入了一种新型的木制碳催化剂 (DLWC@N),用于有效降解使用过氧硫酸盐 (PMS) 的抗生素西普罗素 (CIP). 催化剂在废水处理中表现出高性能和可重复使用性.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 催化剂是一种催化剂.
背景情况:
- 开发用于抗生素降解的可持续催化剂对于水净化至关重要.
- 有机抗生素,如西普洛素,对环境和健康构成风险.
- 现有的方法往往缺乏效率和可持续性.
研究的目的:
- 设计和合成一种与 (DLWC@N) 催化剂嵌入的新型脱木制碳.
- 调查DLWC@N在激活多氧硫酸盐 (PMS) 降解西普洛素 (CIP) 的有效性.
- 阐明CIP的催化机制和降解途径.
主要方法:
- 木木材的脱和热解以创建DLWC@N.
- 孔隙结构和物种的特征.
- 对于CIP降解的PMS激活实验.
- 火研究,EPR,电化学和LC-MS用于解释机制.
主要成果:
- DLWC@N-700在60分钟内实现了97.49%的CIP去除,在四个周期中效率为79.64%.
- 催化剂具有多孔的3D网络结构,其中有石墨的N和N-O键作为活性位点.
- 降解过程通过一种不激进的途径进行,涉及单片氧和电子转移.
结论:
- 脱木制碳是一种有前途的无金属催化剂,用于PMS激活.
- 开发的催化剂为抗生素废水处理提供了有效和可持续的解决方案.
- 了解降解途径有助于设计先进的净水技术.
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