目前，对城市污水的处理主要采用活性污泥法即兴建城市二级污水处理厂。
Presently, active sludge method, or the establishment of secondary sewage treatment plants has been mainly adopted to treat urban sewage.
二级污水处理厂二沉池漂泥有反硝化漂泥、活性污泥老化漂泥、生物泡沫导致的漂泥。
There were anti-nitrification floating sludge, aged activated floating sludge and floating sludge from biological foam in the final settling basin of municipal second stage sewage treatment plant.
本文对炼油厂含油污水处理厂增设二级浮选的点位设在曝气池之后并采用JHX多级射流浮选罐可行性进行了论证和分析。
We use JHX multilevel jet floatation pot as secondary floatation point after aeration pond in oil containing sewage farm of refinery. This paper discusses the feasibility of this method.
未经消化的二级生活污水处理厂脱水污泥含氮4.12%，其中有机态氮占93%。
Undigested dewatered domestic sewage sludge from secondary treatment plant contained N 4.12%, of which organic form of N accounted for 93%.
注：污水处理能力为二级以上污水处理厂设计能力。
Note: ability to Dispose of Sewage was second grade and better disposal plants design disposal capability.
对TP的脱除效果较差但也达到了《城镇污水处理厂污染物排放标准》(GB 18918- 2002)中的二级排放标准。
Removed the effect to TP to miss but had also achieved "Cities Sewage Treatment Plant Pollutant Discharged standard" (GB 18918-2002) the center two levels to discharge the standard.
采用室内试验和现场试验考察了黄花鸢尾、水葱和梭鱼草3种挺水植物对类污水处理厂二级出水中氮、磷的吸收速率、吸收容量和吸收贡献。
As a result Iris pseudacorus has the biggest absorption contribution rate for removing nitrogen and phosphorus from the secondary effluent from April to October, which gets 30% and 73% respectively.
采用室内试验和现场试验考察了黄花鸢尾、水葱和梭鱼草3种挺水植物对类污水处理厂二级出水中氮、磷的吸收速率、吸收容量和吸收贡献。
As a result Iris pseudacorus has the biggest absorption contribution rate for removing nitrogen and phosphorus from the secondary effluent from April to October, which gets 30% and 73% respectively.
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