The anaerobic tank which is set before the UNITANK process improves nitrogen and phosphorus removal efficiency efficiently.
由于在UNITANK工艺前端增设了厌氧池，有效提高了UNITANK工艺的脱氮除磷效果。
Further study showed that the reason for the obvious enhancement of phosphorus removal efficiency was mainly the SBR2 system lower second phosphorus release amount.
进一步研究表明，除磷效率得到显著提高的原因主要是SBR2系统较低的二次磷释放量。
Its shortcomings include harsh restriction for suspended solid in influent, low phosphorus removal efficiency, high water-head loss and the height of lifting sewage.
但同时也存在对进水悬浮物要求较高，磷去除率低，水头损失大，污水提升高度大等问题。
The influence of influent nitrate on phosphorus removal efficiency of phosphate reduction systems under anoxic and aerobic condition was studied by changing the concentration of influent nitrate.
通过改变进水硝酸盐浓度，考察了硝酸盐对缺氧和好氧两种不同氧环境下的磷酸盐还原系统除磷效能的影响。
According to the mechanism of biological dephosphorization, the efficiency of removing phosphorus related to content and removal of organic substance.
按照生物除磷的机理，除磷效率的高低与基质中易降解有机物的含量及有机物的去除密切关联。
The removal efficiency of phosphorus in drinking water by modified filter media, especially iron oxide-coated sand has been studied.
试验研究了三类改性滤料及涂铁改性石英砂对饮用水过滤去除微量磷的效果。
The possibility of improving efficiency of COD and phosphorus removal was studied, with comparison of difference of COD and phosphorus removal between ordinary biology and electrode-biology reactor.
为了探明外加电场条件下提高生物反应器去污除磷的可能性，试验中比较了普通生物反应器和外加电场生物反应器去污除磷效果的差别。
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 removal efficiency of nitrogen and phosphorus were 30.4% and 19.13%, respectively. And the next were cattails and Umbrella Plant. The removal effect of calamus was the worst.
其中，美人蕉对总氮和总磷的去除效果较好，其去除率分别是30.4%，19.13%，其次为香蒲和伞竹，效果较差的是菖蒲。
The phosphorus transport and removal efficiency were analyzed on the basis of bank buffer strips model test in laboratory.
通过模拟试验分析改进后堤岸缓冲带对磷素运移规律及其去除效应的影响。
Discrepancy in TN and TP removal efficiency by duckweed treatments may be due to a difference between nitrogen and phosphorus removal mechanisms.
不同浮萍处理对TN、TP去除效果的不同可能是由于氮、磷去除机制不同所致。
So far, there is no high-efficiency and low-energy consumption, pollution-free waste water treatment technology with sludge reduction and nitrogen and phosphorus removal.
迄今为止，尚无一种集污泥减量与同时脱氮除磷为一体的高效低能耗、无污染的废水处理技术。
COD removal efficiency in the aerobic unit was the biggest factor affecting power consumption, followed by nitrogen and phosphorus.
而好氧单元中COD的去除率是影响电耗的最大因素，其次是氮、磷平衡率。
The average removal efficiency of total phosphorus increased from 41% to 59%, then to 69%, however it still could not meet the standard.
虽然磷的去除效果有所加强，总磷的平均去除率从41%升高到59%再到69%，但仍难达标。
The average removal efficiency of total phosphorus increased from 41% to 59%, then to 69%, however it still could not meet the standard.
虽然磷的去除效果有所加强，总磷的平均去除率从41%升高到59%再到69%，但仍难达标。
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