污泥表观产率系数随污泥负荷的增加而增大；
The sludge yield coefficient increased with the increase of sludge loading rates.
结果表明，曝气池中投加沸石粉可明显提高活性污泥的产率系数和衰减系数。
It was found that the values of yield coefficient and decay coefficient, which were significantly affected by the zeolite addition, were enhanced 20% and 16.
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