The results showed that modified fly ash was effective to adsorb COD from the brewery wastewater. The efficiency of COD removal rate increased from 50% to 89%.
结果表明：改性后粉煤灰的吸附混凝性能有显著的提高，啤酒废水中COD的去除率从50%增加到89%。
The results show that the removal rate of its COD and colourity are 88.3% and 98% respectively, arsenic content can reach undetected level under the optimum conditions.
结果表明，在适宜条件下，渗滤液COD和色度的去除率可分别达到88.3%和98% ，砷可达到检不出水平。
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。
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