aeration period of sewage 污水曝气周期
However, in current main biochemical sewage treatment technology, the aeration devices are the primary energy-consuming equipments, which system costs about 50-70% of the total power consumption.
但在当前主流的生化法处理工艺中，曝气设备是其中的主要耗能设备，曝气系统电耗约占处理厂全部电耗的50 - 70%。
That is, use coagulation and direct aeration in short time for primarily treatment of domestic sewage, then filter domestic sewage by slag filtration or sands.
即主要通过混凝和短时直接曝气对待处理的生活污水作预处理，然后通过河沙或炉渣滤料进行过滤处理。
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.
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。
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