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Updated: Feb 9, 2026

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基于Fe-Bi₂WO_{6的广泛pH范围的增强光-芬顿系统:洞察可调节的微环境和ROS生成}

Xingzhi Jin¹, Jing Guo¹, Minghui Gao¹

¹College of Chemistry, Huazhong Agricultural University, Wuhan, 430070, China.

Journal of environmental management

|February 7, 2026

概括

一种新的Fe-修饰的Bi2WO6材料有效地使用可见光在光-芬顿过程中去除西普罗夫洛克萨. 这种先进的氧化方法在温和条件下提供了更高的降解率和稳定性.

科学领域:

环境化学环境化学
材料科学材料科学材料科学
催化剂是一种催化剂.

背景情况:

传统的芬顿反应因严格的pH要求和铁污泥形成而面临限制.
照片-芬顿工艺提供了一个在较温和条件下运行的替代方案,提高了效率和适用性.

研究的目的:

开发一种新的Fe-修饰的Bi2WO6 (Fe-BWO) 材料,以有效地去除西普洛素 (CIP).
建立一个有效的光-芬顿协同系统,利用可见光进行污染物降解.
调查H2O2激活和反应性物种生成的潜在机制.

主要方法:

用Fe修饰的Bi2WO6 (Fe-BWO) 复合材料的一步热水合成.
可见光驱动的照片-芬顿降解实验,用于清除西普洛素.
对降解动力学,活性氧物种 (ROS) 和材料稳定性的分析.
涉及带隙分析和表面微环境特征的机制研究.

主要成果:

在可见光下,Fe-BWO系统在1小时内实现了83.7%的CIP降解.
降解率明显高于独立方法 (6倍光催化,1.5倍同质芬顿)
该系统表现出卓越的稳定性,广泛的pH适用性和低H2O2消耗.
鉴定出基 (OH) 和超氧基 (·O2-) 是主要的活性物种.

结论:

在可见光下,Fe-BWO材料有效地催化了光-芬顿过程,用于在可见光下降解.
缩小带间隙和H2O2诱导的表面微环境变化对于增强的催化活性至关重要.
这项研究提供了关于H2O2激活机制和高级氧化过程中的表面效应的宝贵见解.

关键词:

双二) 两六) 的微观环境是一个微观环境.照片 - 芬顿反应反应有反应性氧物种的反应性氧物种.

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