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水平潜流人工湿地物理堵塞过程及实际应用研究

Study on physical clogging process and practical application of horizontal subsurface flow constructed wetland.

作者信息

Dai Shuqun, Wang Ruida, Lin Jiawei, Zhang Guoyi, Chen Zhonggou, Li Lei, Shi Qintian

机构信息

Department of Landscape and Architecture, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China.

China Construction Fifth Engineering Division Corp., Ltd, Hangzhou, 311300, China.

出版信息

Sci Rep. 2025 Jan 2;15(1):523. doi: 10.1038/s41598-024-84159-9.

DOI:10.1038/s41598-024-84159-9
PMID:39748062
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11695926/
Abstract

In view of the urgent concerns pertaining to the proliferation of rural wastewater discharges and the imperative for decentralized treatment, this article examines the phenomenon of physical clogging in a small-scale horizontal submerged flow artificial wetland system. Through a combination of experimental analysis and CFD-EDM numerical simulations, the impact of clogging on the hydraulic efficiency of the system was subjected to rigorous examination. Based on these findings, an innovative design strategy was proposed, namely the addition of vertical baffles. The experimental results demonstrate that this strategy can markedly prolong the duration of complete clogging of the system by up to 15% and enhance the hydraulic efficiency by 21%. Based on this, a small-scale horizontal submerged artificial wetland wastewater treatment system was designed for rural areas and successfully implemented in Fanrong Village, Rui'an City. This resulted in an enhanced wastewater treatment effect and an improved rural landscape. The findings of this study contribute to the development of a more rational and effective sewage treatment solution for rural areas.

摘要

鉴于农村污水排放激增的迫切问题以及分散处理的必要性，本文研究了小型水平潜流人工湿地系统中的物理堵塞现象。通过实验分析和CFD-EDM数值模拟相结合的方法，对堵塞对系统水力效率的影响进行了严格检验。基于这些发现，提出了一种创新的设计策略，即增加垂直挡板。实验结果表明，该策略可显著延长系统完全堵塞的持续时间，最多可达15%，并提高水力效率21%。在此基础上，为农村地区设计了小型水平潜流人工湿地污水处理系统，并在瑞安市繁荣村成功实施。这带来了更好的污水处理效果和改善的农村景观。本研究结果有助于为农村地区开发更合理有效的污水处理解决方案。

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本文引用的文献

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Evaluation of wastewater treatment performance to a field-scale constructed wetland system at clogged condition: A case study of ammonia manufacturing plant.评估堵塞条件下现场规模人工湿地系统的污水处理性能：以氨制造厂为例。
Sci Total Environ. 2021 Mar 10;759:143489. doi: 10.1016/j.scitotenv.2020.143489. Epub 2020 Nov 11.
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Treatment of industrial effluents in constructed wetlands: challenges, operational strategies and overall performance.人工湿地处理工业废水：挑战、运行策略及整体性能
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Effects of plant roots on the hydraulic performance during the clogging process in mesocosm vertical flow constructed wetlands.
植物根系对中试垂直流人工湿地堵塞过程中水力性能的影响。
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Spatial distributions of biofilm properties and flow pattern in NiiMi process.NiiMi 工艺中生物膜特性和流型的空间分布。
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Effect of loading rate on performance of constructed wetlands treating an anaerobic supernatant.负荷率对处理厌氧上清液的人工湿地性能的影响
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The impact of sewage composition on the soil clogging phenomena of vertical flow constructed wetlands.污水成分对垂直流人工湿地土壤堵塞现象的影响
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