Based on the experiment, this paper discussed the advantages of shortcut nitrification and denitrification from aeration amount, organic material and volume of reactor and the other respect.

在试验的基础上，从曝气量、外加碳源量、反应器容积等方面对短程硝化—反硝化工艺的优点进行了分析讨论。

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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 experiment results has shown that this is an economical filtrating unit operation with high aeration efficiency to remove Fe and Mn.

试验结果表明，地下水除铁除锰生物工艺具有经济、高效的曝气、过滤单元。

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