采用沉淀法处理污水，达到一定处理程度所需要的时间。在沉淀池、沉砂池中又称为停留时间。
Effects of system temperature, precipitation time, agitation speed and concentrations of lime slurry on the removal magnesium from brine were examined and suitable range of every techniques condition were obtained by means of single-factor test.
通过单因素实验,考察了体系温度、沉淀时间、搅拌速率、石灰乳浓度等因素对去除盐湖卤水中杂质的影响。
参考来源 - 吉兰泰盐湖卤水除杂及副产超细氢氧化镁工艺·2,447,543篇论文数据，部分数据来源于NoteExpress
污泥颗粒化的直接影响因素不是沉淀时间而是自由沉淀空间。
Instead of settling time, free settling space was the direct influencing factor for granulation.
影响cod去除率的最主要因素为曝气量，曝气时间、沉淀时间也有一定影响。
Main factors affecting COD removal rate were orderly aeration volume, aeration and settling duration.
在序批式反应器中，通过改变操作条件培养出颗粒活性污泥，较小的沉淀时间是产生颗粒污泥的主要因素。
The aerobic granules could be cultivated successfully in the SBR by changing the operating conditions, and the shorter settling time was the primary affecting factor.
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