Reactor like oxidation ditch was used for anaerobic bioremediation of urban river water, in which biofilm formed on ceramic honeycomb carrier was used instated of activated sludge.
采用一种类似氧化沟的反应器，其中利用蜂窝陶瓷为载体形成生物膜替代活性污泥，对城市受污染的河道水体进行缺氧生物修复。
The carrier is usually of honeycomb shape, and has thin walls and certain strength as required.
载体一般做成蜂巢状，要求壁薄、具有一定的强度。
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