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使用上游 (先进) 氧化技术升级已建湿地,以改善微污染物的去除,减少生态毒理风险

Irene Salmerón¹, Silvia Venditti², Joachim Hansen²

¹University of Luxembourg, Faculty of Science, Technology and Medicine, Chair for Urban Water Management 6, rue Richard Coudenhove-Kalergi, L-1359, Luxembourg

Water science and technology : a journal of the International Association on Water Pollution Research

|August 14, 2025

概括

建筑湿地 (CWs) 有效地去除微污染物. 在CW之前用UV/H2O2进行预氧化,可显著增强污染物去除,并减少所需的处理面积.

科学领域:

环境工程环境工程
水处理技术水处理技术
废水管理废水管理

背景情况:

建筑湿地 (CWs) 在微污染物清除方面进行了调查.
之前的研究探讨了使用活性炭和沙子基板的CW.
微污染物清除效率和CW寿命是废水处理的关键问题.

研究的目的:

评估前氧化与建造湿地的整合,以提高微污染物清除效率.
评估预氧化对CW寿命和表面积要求的影响.
调查UV/H2O2作为预处理步骤的有效性,以减少微污染物负载.

主要方法:

在埃克特纳赫的水工程中实施了建筑湿地 (15%活性炭,85%沙子).
在Bliesen WWTP中使用光 (Fe3+/H2O2) 和UV/H2O2进行了预氧化步骤.
监测了特定微污染物的去除,包括二甲.

主要成果:

碳水化合物实现了80%的目标微污染物的去除.
使用紫外线/H2O2进行预氧化,可去除52%的二甲,降低了CWs的负载.
实施UV/H2O2预处理可以将CW表面积要求降低到0.19 m2/PE.

结论:

将预氧化与建筑湿地相结合,为有效去除微污染物提供了一个有前途的战略.
预氧化显著减少了建筑湿地所需的表面积.
紫外线/H2O2预处理为光-芬顿提供了可行的替代方案,避免了铁剂量和优化CW性能.

关键词:

通过先进的氧化过程.建筑湿地是建造的湿地.减少土地的使用.整合过程的整合过程.湿地升级湿地升级

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