1)  phosphorus removal rate
除磷率
2)  biological phosphorus removal
生物除磷率
3)  phosphorous removal
除磷
1.
Traditional biological nitrogen and phosphorous removal processes either needseveral separated tanks with different DO concentrations, or need sequential aerobicand anoxic environment in turn in a single reactor.
传统的生物脱氮除磷工艺是在分隔的具有不同DO浓度的反应器中进行，或是在时间上造成缺氧和好氧环境的同一个容器中进行。
2.
-on the phosphorous removal are discussed.
研究了电凝聚法对微污染水中磷的去除效果,并探讨了电流密度、电解时间、pH值等主要因素对除磷效果的影响。
4)  phosphorus removal
除磷
1.
Comparison of phosphorus removal by various coagulants;
不同混凝剂除磷性能的对比研究
2.
Characteristics of phosphorus removal and growth inhibition of micro-algal species by Spirogyra;
水绵(Spirogyra)的除磷特性及其对微藻生长的抑制作用
5)  Removal of phosphorus
除磷
1.
The removal of phosphorus from wastewater consists of biological removal method and compelled chemical removal method.
污水的除磷有生物法和药剂强制去除法两大类。
2.
The paper studied the removal of phosphate in model wastewater and municipal wastewater with natural minerals and industrialwastes-steel slag, analyzed the mechanism of removal of phosphorus and discussedthe feasibility of actual application .
灰岩的批试验结果表明，灰岩没有明显的去除磷的作用，既不降低磷酸盐溶液的浓度，也不改变溶液的pH值。
6)  phosphate removal
除磷
1.
Study on phosphate removal with pickling waste liquor property-modified fly ash;
酸洗废液改性粉煤灰除磷的试验研究
2.
Study on property of phosphate removal of modified lava;
改性火山岩除磷性能的研究
3.
Effects of several common ions on phosphate removal by zeolite synthesized from fly ash;
几种常见离子对粉煤灰合成沸石除磷效果影响研究
参考词条
补充资料：A2/O生物除磷脱氮法
分子式：
CAS号：

性质：(厌氧、缺氧/好氧)法是在A2/O（厌氧/好氧）法基础上增加一个缺氧段（A），在缺氧过程中，微生物大量吸附厌氧过程释放的磷和原废水中的磷，在细菌细胞体内合成聚磷酸盐而贮存起来，最后通过沉淀池的剩余污泥排放而达到除磷的目的。A2/O系统的特点是污泥龄长，剩余污泥量少，运行稳定，而冲击负荷。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。