越南北部中型混合人工湿地系统处理猪废水的研究：热带季风气候和运行时间的影响

IF 4.1 2区环境科学与生态学 Q1 ECOLOGY

Ecological Engineering Pub Date : 2025-08-14 DOI:10.1016/j.ecoleng.2025.107772

Nguyen Van Thanh , Bui Thi Kim Anh , Nguyen Minh Phuong , Nguyen Thi Hoang Ha , Nguyen Thi An Hang , Ngo Tra Mai , Nguyen Thanh Binh , Le Thi Nhi Cong , Pham Thi Thuy , Vu Ngoc Toan

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引用次数: 0

摘要

该研究旨在评估热带季风气候下的季节天气变化（即温度、湿度、日照时数、风速和降雨量）和运行时间对越南人工湿地（CW）系统处理猪废水效率的影响，该系统运行四年，处理能力为150 m3/d。CW系统由136-m2和105-m2的水平潜流人工湿地（HSFCW）和850-m2的自由浮动装置（FFP）组成。HSFCW和FFP分别种植芦苇（Phragmites australis）和伞莎草（Cyperus involucratus）。应用先进的统计分析来评估数据，包括Pearson相关、ANOVA和主成分分析（PCA）。结果表明，植物生长在所有季节都很强劲，其中夏季生长最佳(p <；0.05)。TSS、COD和TP的去除率相对不受温度、湿度、降雨量和日照时数的影响(p >；0.05)，而对TN和NH₄+的去除率有显著影响(r = 0.32-0.72, p <；0.05)。对单个污染物的详细分析表明，TSS去除效率在不同季节之间没有显著变化(p >；0.05)。然而，夏季和冬季对COD、TN、NH₄+和TP的去除率存在差异，分别为3.2%、13.6%、14.1%和9.3%，低于寒冷气候地区。相对较小的季节差异表明CWs在热带季风气候地区的稳定性和良好的猪废水处理性能。

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Insights of a medium-scale hybrid constructed wetland system operation for swine wastewater in Northern Vietnam: Influence of tropical monsoon climate and operational duration

The study aims to evaluate the impact of seasonal weather variations (i.e., temperature, humidity, sunshine duration, wind speed, and rainfall) in a tropical monsoon climate and operational duration on the treatment efficiency of a constructed wetland (CW) system for swine wastewater in Vietnam with a capacity of 150 m³/d during four-year-operation. The CW system consisted of 136-m² and 105-m² horizontal subsurface flow constructed wetlands (HSFCW) and an 850-m² free-floating plant (FFP). The HSFCW and FFP were planted with common sheet (Phragmites australis) and umbrella sedge (Cyperus involucratus), respectively. Advanced statistical analyses were applied to assess the data, including Pearson correlation, ANOVA, and principal component analysis (PCA). The results indicate that plant growth was robust across all seasons, with optimal growth observed in summer (p < 0.05). The removal efficiency of TSS, COD, and TP was relatively unaffected by temperature, humidity, rainfall, and sunshine duration (p > 0.05), whereas TN and NH₄⁺ removal was significantly influenced (r = 0.32–0.72, p < 0.05). A detailed analysis of individual pollutants showed that TSS removal efficiency did not vary significantly across seasons (p > 0.05). However, the removal efficiencies of COD, TN, NH₄⁺, and TP exhibited differences between summer and winter, with variations of 3.2 %, 13.6 %, 14.1 %, and 9.3 %, respectively, lower than those observed in cold-climate regions. The relatively small seasonal differences indicate CWs stability and good performance for swine wastewater treatment in tropical monsoon climate regions.

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来源期刊

Ecological Engineering 环境科学-工程：环境

CiteScore

8.00

自引率

5.30%

发文量

293

审稿时长

57 days

期刊介绍： Ecological engineering has been defined as the design of ecosystems for the mutual benefit of humans and nature. The journal is meant for ecologists who, because of their research interests or occupation, are involved in designing, monitoring, or restoring ecosystems, and can serve as a bridge between ecologists and engineers. Specific topics covered in the journal include: habitat reconstruction; ecotechnology; synthetic ecology; bioengineering; restoration ecology; ecology conservation; ecosystem rehabilitation; stream and river restoration; reclamation ecology; non-renewable resource conservation. Descriptions of specific applications of ecological engineering are acceptable only when situated within context of adding novelty to current research and emphasizing ecosystem restoration. We do not accept purely descriptive reports on ecosystem structures (such as vegetation surveys), purely physical assessment of materials that can be used for ecological restoration, small-model studies carried out in the laboratory or greenhouse with artificial (waste)water or crop studies, or case studies on conventional wastewater treatment and eutrophication that do not offer an ecosystem restoration approach within the paper.