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来源：百度知道 编辑：UC知道 时间：2024/06/03 05:42:34
人工湿地是近年来得到较大发展的一种生态水处理工艺，目前普遍存在污染物去除效率有待提高、土地利用率低、长期运行易发生堵塞等问题。
本研究从生态学理论出发，以健全人工湿地生态系统为思路，通过引入蚯蚓使食物链“加环”，以强化水生动物环节、控制湿地基质有效高度，以促进植物根系发达为突破点，以增进生物协同净化效应为核心，构建了蚯蚓人工湿地，考察其对农村生活污水的净化效果，得出了以下结论：
赤子爱胜蚯蚓可有效提高湿地的污染物净化效果，当爱胜蚯蚓平均密度为3条/dm3时对污染物的去除效果较好。同时，爱胜蚯蚓对延缓或消除湿地的堵塞起到了一定的作用。

爱胜蚯蚓 人工湿地 农村生活污水 基质 硝化细菌
Eisenia foetida, constructed wetland,country waste water, substrate, nitrobacteria

Wetland in recent years by the development of a larger ecological water treatment process, the current widespread pollutant removal efficiency needs to be raised, land a low utilization rate, long-term operation prone to plug, and other issues.
This study from the ecology theory, to improve the wetland ecological system for ideas, so that the food chain through the introduction of earthworms, "Canadian Central", to strengthen the links aquatic animals, wetlands control matrix highly effective, in order to promote plant roots developed for the breakthrough point, in order to enhance Purification of biological synergy effect as the core, the earthworms build artificial wetlands to inspect their living in the rural areas of sewage purifying effect, draw the following conclusions:
Pure love-earthworms can effectively enhance the wetland purifying effect of pollutants, when the love-the average density of earthworms 3 / dm3 when the removal of pollutants better. At