The review paper sis based on the analysis or nearly 700 research papers published during 2019 and the first half of 2020 and indexed by Web of Science under the password “constructed wetlands for wastewater treatment”. Out of this number 132 papers dealing with “new” topics such as new wastewaters treated in constructed wetlands (CW), new filtration materials, role of vegetation, floating treatment wetlands, microbiology of CW, greenhouse gas emissions from CWs, sustainability and secondary benefits of CWs. For the deeper analysis the supporting literature from previous periods has been cited. The analysis indicates increasing popularity and diversification of types and tasks of CWs. This supports the need for further research of processes and design-related properties of CWs. The research in full scale CWs and long-term studies are only rare and in order to upgrade the CWs technology, research must be also carried out in the field under full-scale conditions.

本综述基于对2019年和2020年上半年发表的近700篇研究论文进行分析，并以“人工湿地污水处理”的密码被Web of Science收录。其中 132 篇论文涉及“新”主题，例如人工湿地 (CW) 处理的新废水、新过滤材料、植被的作用、漂浮处理湿地、CW 的微生物学、CW 的温室气体排放、可持续性和二次效益的 CW。为了进行更深入的分析，引用了以前时期的支持文献。分析表明，CW 的类型和任务越来越受欢迎和多样化。这支持进一步研究 CW 的工艺和设计相关特性的需要。