Wang Jie, Zhu Minyi, Sun Anli, Yuan Rongfang, Chen Huilun, Zhou Beihai
Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China.
Molecules. 2025 May 22;30(11):2266. doi: 10.3390/molecules30112266.
With the worsening global water pollution crisis, pharmaceuticals and personal care products (PPCPs) have been increasingly detected in aquatic environments. The effective removal of PPCPs remains challenging for conventional water treatment technologies, whereas photocatalytic technology has shown distinct promise. Dissolved organic matter (DOM), a ubiquitous component of aquatic ecosystems, exerts multifaceted effects on the photocatalytic oxidation of PPCPs. In this article, the influence of DOM on the performance of various photocatalysts in PPCP removal is systematically summarized and analyzed. This review highlights DOM's role in altering the migration and transformation of PPCPs via processes including adsorption and complexation. The adsorption of PPCPs on photocatalysts is achieved by competitive adsorption or by providing more adsorption sites. DOM modifies the structural properties of photocatalysts through mechanisms such as ligand exchange, intermolecular forces, electrostatic forces, and hydrophobic interactions. DOM inhibits the formation of active species via light attenuation and shielding effects while simultaneously enhancing their generation through photosensitization and electron transfer facilitation. In this review, the interaction mechanism among DOM, PPCPs, and photocatalysts within the PPCP photocatalytic oxidation system is expounded on. These findings provide novel insights into optimizing photocatalytic reaction conditions and enhancing treatment efficiency, while providing a theoretical foundation for advancing efficient, eco-friendly PPCPs remediation technologies.
随着全球水污染危机的加剧，药物和个人护理产品（PPCPs）在水生环境中的检出率越来越高。对于传统的水处理技术而言，有效去除PPCPs仍然具有挑战性，而光催化技术已展现出显著的前景。溶解有机物（DOM）是水生生态系统中普遍存在的成分，对PPCPs的光催化氧化具有多方面的影响。本文系统地总结和分析了DOM对各种光催化剂去除PPCPs性能的影响。本综述强调了DOM在通过吸附和络合等过程改变PPCPs迁移和转化方面的作用。PPCPs在光催化剂上的吸附是通过竞争吸附或提供更多吸附位点来实现的。DOM通过配体交换、分子间作用力、静电力和疏水相互作用等机制改变光催化剂的结构性质。DOM通过光衰减和屏蔽效应抑制活性物种的形成，同时通过光敏化和促进电子转移增强其生成。在本综述中，阐述了PPCP光催化氧化体系中DOM、PPCPs和光催化剂之间的相互作用机制。这些发现为优化光催化反应条件和提高处理效率提供了新的见解，同时为推进高效、环保的PPCPs修复技术提供了理论基础。
