Activated Sludge Process is applied more and more extensively, with rate of treated sewage rising.
随着我国城市污水处理率的逐年上升，活性污泥法的应用越来越广泛。
Aeration plays an important role in the treatment of activated sludge, nevertheless, the velocity of bubble rising in water is of critically effects upon the aeration.
曝气在活性污泥处理方法中起着重要作用，而水中气泡上升速度对曝气作用的影响又至关重要。
This paper takes the operation system of the Amber Village Sewage Plant of Hefei, as an example to search for the cause and countermeasure so as to be able to control the sludge rising problem.
本文以合肥市琥珀山庄污水处理厂的工艺运行为实例，寻求活性污泥上浮的原因及其控制对策。
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