When constructed wetland system is used for 1-2 years, the system removal efficiency of phosphorus will remarkably decreased. So choosing plants and fillings that have high purifying capacity is the guarantee to remain the system long-term efficiency.
但一般人工湿地经过1～2年使用后,除磷效果会显著下降,因此,选择净化能力强的植物和填料是人工湿地持续高效应用的保障。
参考来源 - 人工湿地除磷过程中关键因素的影响研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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