评估人工湿地作为厄瓜多尔安第斯山脉农村地区废水处理替代方案的马钱子属植物和泽兰的性能

IF 3.7 Q2 ENVIRONMENTAL SCIENCES Current Research in Environmental Sustainability Pub Date : 2024-01-01 DOI:10.1016/j.crsust.2024.100243

Carlos Matovelle , María Quinteros , Santiago Aurelio Ochoa-García

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摘要

全世界都在使用人工湿地作为废水处理的替代方法。本研究的目的是评估使用两种不同种类的大型藻类处理废水的两处人工湿地，以降低厄瓜多尔昆卡巴尼奥斯教区库里金格小溪的污染水平。利用 Equisetum spp 和 Zantedeschia aethiopica 建造了一个试点工厂，恒定流量为 0.32 立方米/日。每个单元都填充了砂石作为孔隙介质，水力停留时间为 5 天。为了分析湿地的效率，在实验室对物理和化学参数进行了分析。实验室得出的结果表明，这两种大型藻类在去除有机物方面表现出良好的效率（100% COD-100% BOD5）。另一方面，Equisetum spp 在去除 NO3- （80.28%）和 PO43- （98.57%）方面表现出更高的效率，而 Zantedeschia aethiopica 在去除 TSS（85.71%）方面表现出更高的效率。建造湿地是一种有效且可持续的废水处理方法。

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Performance of Equisetum spp and Zantedeschia aethiopica on the evaluation of artificial wetlands as an alternative for wastewater treatment in rural areas of the Ecuadorian Andes

Constructed wetlands have been used worldwide as an alternative for wastewater treatment. The purpose of this study was to evaluate two constructed wetlands for wastewater treatment using two different species of macrophyte in order to reduce pollution levels in the Curiquingue Creek belonging to the Baños parish in Cuenca, Ecuador. A pilot plant was constructed using Equisetum spp and Zantedeschia aethiopica with a constant flow of $0.32 m^{3} d^{- 1}$ . Each unit was filled with sand and gravel as the porosity medium with a hydraulic retention time of 5 days. To analyze the efficiency of the wetlands, physical and chemical parameters were analyzed in the laboratory. The results obtained in the laboratory showed that the two species of macrophyte showed good efficiency in the removal of organic matter (100% COD-100% BOD₅). On the other hand, Equisetum spp showed better efficiency in the removal of NO₃⁻ (80.28%) and PO₄³⁻ (98.57%) meanwhile, Zantedeschia aethiopica showed better efficiency in the removal of TSS (85.71%). Constructed wetlands are an effective and sustainable option for wastewater treatment.