The influence of different COD concentrations and kinds of electrolyte to treatment efficiency was investigated, and satisfied results of 90% COD removal and 95% color removal were achieved.
研究了进水浓度、不同电解质的作用对处理效果的影响，获得了COD去除率大于90%、 色度去除率大于95%的处理效果。
It is found that the COD removal efficiency increases as the increase of reaction time with the same mercury vapour lamp.
试验发现，在同一汞灯照射下，随反应时间的加长，COD去除率呈现增大趋势。
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%。
At the same time, the efficiency of COD removal was 87.24%, which demonstrates the coinstantaneous removing of both organic and nitrate nitrogen.
COD的平均去除率为87.24％，基本实现了同一反应器中有机物和硝酸盐的共同去除。
The possibility of improving efficiency of COD and phosphorus removal was studied, with comparison of difference of COD and phosphorus removal between ordinary biology and electrode-biology reactor.
为了探明外加电场条件下提高生物反应器去污除磷的可能性，试验中比较了普通生物反应器和外加电场生物反应器去污除磷效果的差别。
The effects of reflux time, temperature, amount of adsorbent on the efficiency of removal of Cl - and the microwave digestion conditions, acid medium, catalysts on the COD determination are discussed.
研究了回流除氯时间、温度、吸附剂用量对去氯率的影响，以及微波消解条件、酸介质、催化剂对COD测定的影响。
The effects of the treatment show that the best effect is achieved by pillared acidified bentonite, whose COD removal efficiency is more than 80% and chroma removal efficiency is more than 95%.
处理效果最佳的是柱撑酸化膨润土，其对染料废水COD的去除率可达80%以上，色度去除率可达95%以上。
The influence of different COD volume loading on removal efficiency of urban domestic sewage in suspended carrier biological fluidized bed reactor was investigated.
采用悬浮载体生物流化床工艺处理城市生活污水，考察了容积负荷对其处理效果的影响。
In this experiment, the feasibility of MBR as swine wastewater aerobic treatment stage, COD and ammonia nitrogen removal efficiency and operation parameter were probed.
探讨了MBR作为猪场污水处理好氧段的可行性、除碳脱氮效果及MBR运行参数。
In this experiment, the feasibility of MBR as swine wastewater aerobic treatment stage, COD and ammonia nitrogen removal efficiency and operation parameter were probed.
探讨了MBR作为猪场污水处理好氧段的可行性、除碳脱氮效果及MBR运行参数。
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