Anaerobic sewage treatment has advantages over aerobic treatment.

厌氧工艺具有许多好氧工艺所不具备的优点.

Three biological treatment methods have been investigated, including aerobic treatment, anaerobic treatment and yeasts treatment.

试验分别利用三种生物处理方法：好氧、 厌氧及酵母菌处理方法对稠油废水进行了处理。

Three biological treatment methods have been investigated , including aerobic treatment, anaerobic treatment and yeasts treatment.

试验分别利用三种生物处理方法:好氧 、 厌氧及酵母菌处理方法对稠油废水进行了处理.

In anaerobic treatment, the design used UASB reactor and contact oxidation pool in aerobic treatment.

其中,厌氧处理部分使用UASB反应器,好氧处理部分选用生物接触氧化池.

The main process of biological anaerobic and aerobic treatment was carried out.

论证并实施了生物厌氧-好氧处理为主的工艺路线；