The sand filtration is compared with fibre-ball filtration on the removal rate of turbidity, COD and SS, and on the head losses, filtration period and filtrate.
比较了砂滤和纤维球过滤对浊度、COD、SS和油的去除情况，及其在水头损失、过滤周期和产水量等方面的异同。
There is remarkable correlation among the ozone dosage and the removal rate of Mn in BAC filter and the turbidity in ozone contacting tower;
后臭氧投加量和臭氧后水浊度、炭滤池对锰的去除率有明显的相关性；
The experimental results showed that the removal rate of COD, NH3-N and turbidity in BAF system comes up to 88.1%, 60.1% and 95.1% respectively.
长期运行试验结果表明，曝气生物滤池对COD、氨氮及浊度等具有良好的去除效果，平均去除率分别达到88.1%、60.1%和95.1%。
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