We reach these conclusions:The plant is very important in constructed wetland , and it also have the ability of N , P removal .
本研究主要得出如下结论：植物在人工湿地系统中有着重要的作用，具有一定的去除氮、磷的能力。
The effect of the plants in CCW is remarkable to NH3-N removal, but unremarkable to phosphorus removal.
廊道式人工湿地水生植物的长势对NH3-N的去除有显著影响，对磷的去除效果影响不大。
This study investigates the removal of COD and NH3-N by aerobic granule sludge, which is nearly 70% and 90% in average respectively.
本实验考察了整个改变过程中颗粒污泥对COD以及NH_3—N的处理效果，平均去除率分别达70%和90%。
Impact of COD/N values of feed wastewater on COD, nitrogen removal and biomass growth in a sequencing fed batch reactor (SFBR) operation was investigated.
采用序半连续反应器就新鲜废水中COD/N比对COD、氮化合物去除效率和微生物生长的影响进行了研究。
The removal efficiency of nitrogen (N) and phosphorus (P) from three kinds of eutrophicated water by terraneous ornamental foliage plant-beet on floating-beds was researched under low temperature.
以陆生观叶植物红叶甜菜为材料研究其对不同富营养化水体氮磷的去除。
The factors of effluent NH3-N removal rate of wastewater land treatment was analyzed as an example of artificial rapid infiltration system.
以人工快速渗滤系统处理污水为例，分析了污水土地处理中nh3 - N去除率的影响因素。
The presence of oligochaete does not have influence on the removal of COD and NH3-N, but it affects the removal of TP, and the removal of turbidity is affected by the quantity of oligochaete too.
蠕虫的存在对COD、NH3-N的去除没有明显的影响，但不利于对TP的去除，且浊度的去除也受蠕虫密度的影响。
Because the removal efficiency of COD in RBC is well, so in the effluent the NO3-3~-N concentration is high, but COD is low.
这是因为，生物转盘的有机物去除效果很好，出水中硝氮浓度较高而碳源含量很低。
It take about 12 days to succeed in cultivating bio-film using of the method of artificial inoculation with activated sludge, and the removal ratio of COD, NH3-N, gets to 72% and 60%.
折流式反应器采用“人工接种活性污泥”的挂膜启动方式所需时间较短，大约经过12天左右的时间即可挂膜成功，COD和氨氮去除率分别稳定在72%、60%左右。
The removal efficiency of organics and the NH3-N from the BAF during the film-forming period was analyzed.
对挂膜期间曝气生物滤池去除有机物和NH3-N的情况进行了分析。
The removal rule of N or P in series ponds is affected by the changes of loading, COD…
随着负荷、污水C／N比、温度、光照时间等因素的变化，氮磷去除呈一定的变化规律。
Two tandem systems of two-stage SBR process were proposed for P and N removal to improve the single stage SBR.
在充分分析单级SBR工艺在生物除磷脱氮过程中存在的不足的基础上，提出了两种两级SBR串联运行的除磷脱氮工艺模式。
The removal rate of COD, NH3-N, HCHO were high, and the average removal rate of them were over 93%, especially, the HCHO's removal rate reached over 99%.
对于COD、氨氮（NH3-N）、甲醛（HCHO）的去除率高，各项指标的平均去除率为93%以上，尤其是HCHO的去除率高达99%以上。
The results showed that in either aerobic or static condition, the removal rates of COD and NH_3-N degraded by three different solutions were more than 50% and 85%, respectively.
结果表明：三种培养液在曝气或静置的运行条件下，对微污染水中的COD和氨氮有稳定良好的去除效果，其去除率分别为50%和85%；
The reduction speed is increasing along with the concentration of N and P in water, whereas the removal rate of N and P is descending.
氮磷浓度的降低速率随水体中氮磷浓度的升高而升高，而对氮磷的去除率随水体中氮磷浓度的升高而降低。
The research content in this dissertation was the nitrogen removal of A/O/N process for domestic wastewater treatment in residential communities.
试验中所采用的A/O/N工艺是在传统A/O工艺的基础上提出的一种适合高氮废水处理的高效脱氮工艺。
The relationship between community distribution of ammonium oxidizing bacteria and the removal rate of NH4-N is meaningful to improve the treatment performance of CRI.
关于CRI系统中氨氧化菌的空间分布规律及其与NH4-N去除率关系的认识，为工艺改进和效果提高提供了理论基础。
The effects of mud concentration, gas to liquid ratio and the hydraulic resident time on the removal rates of COD and NH3-N were investigated.
实验考察了污泥浓度、气液比及水力停留时间对生物降解废水中COD和氨氮(NH3 - N)的影响。
The experimental results showed that the removal rate of COD, NH3-N and turbidity in BAF system comes up to 88.1%, 60.1% and 95.1% respectively.
长期运行试验结果表明，曝气生物滤池对COD、氨氮及浊度等具有良好的去除效果，平均去除率分别达到88.1%、60.1%和95.1%。
The influent of NH4 + -n loading to the effect of their removal.
NH 4 +- N的进水负荷对其去除效果的影响。
The influent of NH4 + -n loading to the effect of their removal.
NH 4 +- N的进水负荷对其去除效果的影响。
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