Cyclic activated sludge System (CASS) is a batch fill and draw activated sludge process operated in sequences of aeration and non aeration which can effectively remove nitrogen and phosphorus.

循环活性污泥系统(CASS)是一种具有脱氮除磷功能的以序批曝气非曝气方式运行的充放式间隙活性污泥处理工艺。

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Treatment process of bean products wastewater with AB activated sludge has been studied. Through experiment, the optimum parameters, including DO, sludge load and time of aeration were determined.

通过用AB 活性污泥法对处理豆制品废水工艺的试验研究，确定了优化工艺参数，包括溶解氧、 污泥负荷、 曝气历时，并在选定的工艺条件下对豆制品废水进行了试验。

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The aeration flotation process is a new application to the activated sludge processes. The final tank USES dissolved air flotation instead of sedimentation, and is combined with the aeration tank.

曝气气浮池是活性污泥法中的一种新型构筑物，它是以气浮代替沉淀，并与曝气池有机组合而成。

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