preaerator

In this paper,combined pre-aeration and chemical precipitation was employed to identify the influence of aeration time,variability and dosage of coagulants on the removal of SS and C.

本研究采用预曝气-化学混凝沉淀组合工艺,对该消化液进行去除高浓度SS的预处理试验,研究探讨了曝气时间、混凝剂种类和投加量对SS和COD去除效果的影响。

The cause for sludge bulking was analyzed, and addition of nitrogen and phosphorus, and preaeration used for controlling sludge bulking was investigated.

　分析了水解酸化 /UASB/SBR工艺处理印染废水过程中发生污泥膨胀的可能原因,并通过试验考察了投加氮和磷与预曝气对污泥膨胀的控制效果。

A composite fiber Bragg grating based on pre-exposure technology is described in this paper.

　报道利用预曝光技术制备的复合结构光纤光栅传感器。