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| Research Progress on the Role of Fillers in Constructed Wetlands and Their Enhancement of Purification Performance |
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Received:October 17, 2023
Revised:October 30, 2023
Accepted:October 31, 2023
Published Online:March 04, 2024
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| DOI：doi：10.3969/j.issn.1007-7545.2024.04.003 |
| KeyWord:constructed wetland; modified filler; slow-release carbon source; combined filler |
| Author | Institution |
| CHANG Ruifeng |
天津市水利工程集团有限公司 |
| XU Shaowu |
天津市水利工程集团有限公司 |
| CUI Shuai |
天津市水利工程集团有限公司 |
| LIANG Guangqing |
天津市水利工程集团有限公司 |
| ZHAO Yan |
天津市水利工程集团有限公司 |
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| Abstract: |
| Filler is the core component of the constructed wetland system and also the key factor affecting the pollutant purification ability of the constructed wetland system. The selection of suitable fillers is very important for the construction of constructed wetland system and the purification of wastewater. Firstly, the role of fillers in the constructed wetland system was described. Secondly, the characteristics and selection principles of fillers suitable for the construction of constructed wetlands were analyzed. Finally, the current research progress through filler modification, preparation of slow-release carbon source fillers and the use of composite fillers to strengthen the purification of pollutants in the constructed wetland system were summarized, and the future research direction was proposed. It can provide references for the construction and promotion of constructed wetlands. |
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