Chemical removal is commonly used for treating these wastewaters but suffers from disadvantages of high cost, creation of sludge and potential secondary pollution. Biological removal has been proposed as a new technique to overcome these problems.
但由于化学法除磷运行费用高,污泥产量大,存在二次污染隐患,而生物法除磷则可克服上述缺点。
参考来源 - 强化生物除磷技术在汽车废水处理工艺中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
The invention discloses a plant of pseudomonad and the application thereof in the biological removal of nitrogen heterocyclic compound.
本发明公开了一株假单胞菌及其在生物去除含氮杂环化合物中的应用。
The mechanisms of of the biological removal of nitrogen and phosphorus are explained. The technologies of MSBR, UCT and BCFS are analyzed.
在阐述城市污水生物脱氮除磷机理的基础上，分析生物脱氮除磷的M SBR工艺、U CT工艺和BCFS工艺。
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