Biological nutrient removal is a relatively low-cost means of removing nitrogen and phosphorus from wastewater.
在对废水进行脱氮除磷时，去除生物营养素是一种相对成本较低的方法。
The nutrient ratio of wastewater has some influence on removal efficiency of pollutants.
固定化藻菌对污染物的去除受污水营养比的影响。
Cyclic Activated Sludge Technology (CAST) is a viable choice for large-scale municipal wastewater treatment, particularly when nutrient removal is of a major consideration.
循环式活性污泥法对大型城市污水处理尤其在要求深度去除氮磷时，是一种非常高效经济的工艺方法。
Cyclic Activated Sludge Technology (CAST) is a viable choice for large-scale municipal wastewater treatment, particularly when nutrient removal is of a major consideration.
循环式活性污泥法对大型城市污水处理尤其在要求深度去除氮磷时，是一种非常高效经济的工艺方法。
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