PENGJie,AILIJIANGNuerla,CUIYincang,et al.Bioelectrochemical-Constructed Wetland for Enhanced Removal of Typical Pharmaceuticals in Tailwater from Wastewater Treatment Plant[J].China Water & Wastewater,2026,42(3):10-17.
生物电化学耦合人工湿地去除污水厂尾水中典型药物
- Title:
- Bioelectrochemical-Constructed Wetland for Enhanced Removal of Typical Pharmaceuticals in Tailwater from Wastewater Treatment Plant
- Keywords:
- constructed wetland; bioelectrochemistry; tailwater from wastewater treatment plant; pharmaceuticals; microbial community
- 摘要:
- 药品及个人护理用品（PPCPs）由于在传统的污水生物处理过程中降解不充分，在污水处理厂出水中被广泛检出。为此，构建了生物电化学辅助垂直流人工湿地（E-VFCW）小试系统，并评估其对污水处理厂尾水中PPCPs的降解和转移特性。在无需投加碳源与化学药剂的条件下，E-VFCW通过生物电化学及微生物-植物的综合作用可强化对有机污染物的去除，实现了对多种药物污染物的高效降解。微生物群落分析显示，反应器中富集了长绳菌属（Longilinea）、水单胞菌属（Aquimonas）和黄杆菌属（Flavobacterium）等关键功能微生物和电活性微生物。该技术为低碳氮比废水中药物污染控制提供了解决方案，展示了生物电化学系统在可持续污水处理领域的应用潜力。
- Abstract:
- Pharmaceuticals and personal care products (PPCPs) are frequently detected in effluent of wastewater treatment plant due to their inadequate degradation during conventional biological treatment processes. In this study, a lab?scale bioelectrochemically assisted vertical flow constructed wetland (E-VFCW) system was developed to evaluate its efficacy in degrading and removing PPCPs from secondary effluent. Without the need for external carbon sources or chemical additives, the E-VFCW enhanced the removal of organic pollutants through integrated bioelectrochemical and plant-microbial interactions, achieving advanced and efficient purification of multiple pharmaceutical pollutants. Microbial community analysis revealed significant enrichment of key functional and electroactive microbes, including Longilinea, Aquimonas, and Flavobacterium. This technology provides a promising solution for controlling pharmaceutical pollution in low C/N ratio wastewater, demonstrating the considerable potential of bioelectrochemical systems in sustainable wastewater treatment.
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