操作简单。没有复杂的控制设施；没有污泥回流；操作员的技术对运行没有决定性影响。
Simple Operation. No complicated controls; no sludge recycle; performance does not depend on operator skill.
利用二级处理的回流污泥进行接种对好气滤池的启动没有加速作用，相反，还会延迟启动时间。
Seeding activated sludge from a secondary treatment pant can not help startup, and on the contrary, it may delay a startup.
对常用的三种挂膜方式进行了对比试验，结果发现，采用二级处理回流污泥进行接种对好气滤池的启动没有明显促进作用；
Results shows that, start-up by seeding activated sludge from a secondary treatment plant has no beneficial effects. On the contrary, the start-up period are detained.
没有启动的污泥回流泵作为备用泵，如主泵发生故障，备用泵自动切入。
If any of return sludge pumps is in off mode, it will be regarded as standby unit. If fault is found on duty pump, the standby pump will be automatically change over.
没有启动的污泥回流泵作为备用泵，如主泵发生故障，备用泵自动切入。
If any of return sludge pumps is in off mode, it will be regarded as standby unit. If fault is found on duty pump, the standby pump will be automatically change over.
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