Undigested dewatered domestic sewage sludge from secondary treatment plant contained N 4.12%, of which organic form of N accounted for 93%.
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%。
Treating combined sewage effluent from a secondary treatment plant, the process achieved 94.5% cadmium removal for the trace quantities present .
用这种方法处理二级处理厂排出的综合下水，可除去水中含镉量的94.5。
Results shows that, start-up by seeding activated sludge from a secondary treatment plant has no beneficial effects. On the contrary, the start-up period are detained.
对常用的三种挂膜方式进行了对比试验，结果发现，采用二级处理回流污泥进行接种对好气滤池的启动没有明显促进作用；
In combination with the RBC process, this system provides a very simple package plant for secondary treatment.
通过和RBC工艺结合，该系统可以提供非常简单的总包工厂对污水作二级处理。
Residual sludge from the small scale wastewater treatment plant is always a problem remained in biological wastewater treatment, it may cause secondary pollution if not disposed well.
剩余污泥一直是中、小型污水生化法处理设施的遗留问题，处置不当，易造成二次污染。
The secondary treating water from urban domestic sewage treatment plant was treated by fine membrane with the way of periodic counter-flow static type.
本研究对城市生活污水处理厂二次处理水，采用周期逆洗型静态过滤方式进行了精密膜过滤。
Air emission of Shanghai cigarette plant reaches secondary standard of environment air quality (GB3095-96) by using odor biological treatment facility imported from Germany.
上海卷烟厂从德国引进生物处理装置，使排放气体达到GB 3 0 95- 96环境空气质量二级标准。
At the biological tank and the secondary clarifier of LongYan waste water treatment plant, we solve the problems by adopting the non cohesive prestressed force.
龙岩污水处理厂生物池、二沉池采用无粘结预应力砼结构，解决了这一问题。
At the biological tank and the secondary clarifier of LongYan waste water treatment plant, we solve the problems by adopting the non cohesive prestressed force.
龙岩污水处理厂生物池、二沉池采用无粘结预应力砼结构，解决了这一问题。
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