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removal cod
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  去除cod
     At pH 6.0, influent COD 4 000mg/L, COD OLR 7.5kg/(m3·d), the average COD removal efficiency was 90.9%, and the effluent alkalinity(CaCO 3) was 404.8mg/L, the biogas production per gram removal COD was 446.3mL with 55.9% methane content.
     在进水COD 4 0 0 0mg/L ,COD容积负荷 7 5kg/(m3 ·d)时 ,COD平均去除率为 90 9% ,出水总碱度仅为4 0 4 8mg/L ,每 g去除COD的沼气产量为 4 4 6 3mL ,甲烷含量约为 5 5 9% .
短句来源
     At pH 6.0, influent COD 3 000mg/L, COD OLR 5kg/(m3·d), the average COD removal efficiency of the EGSB reactor was 95.0%, while the effluent alkalinity (CaCO 3) was only 328.5mg/L, the biogas production per gram removal COD was 372.2mL with 57.6% methane content;
     在 pH 6 0 ,进水COD 30 0 0mg/L ,COD容积负荷 5kg/(m3 ·d)时 ,反应器的COD平均去除率为 95 0 % ,出水总碱度 (以CaCO3 计 )仅为 32 8 5mg/L ,每 g去除COD的沼气产量为 372 2mL ,沼气中甲烷含量约为 5 7 6 % ;
短句来源
     The removal efficiency of membrane bioreactor have biggish fluctuate, when pH value change in the scope of 5-9.5. The best pH value scope is 7-8.5.Change the HRT in the scope of 5、 8、 10、 15, experiment show that the best HRT is above 8h of removal COD and NH3-N, and the best HRT is 8-10h of removal TN, so 8h is the best HRT of experiment.
     通过改变HRT为5h、8h、10h、15h的条件下观察系统去除有机物和脱氮的效果,试验结果表明去除COD和氨氮最适宜的HRT为8h以上,但脱氮的最佳值在8~10h之间,所以本实验的HRT的最佳值为8h。
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     The experimental results show that SE-I has higher branching degree and higher molecular weight than PAC. SE-I gives better results than PAC in oil removal, COD removal, turbidity removal and color removal for water and wastewater treatment.
     实验结果表明 ,SE -I较PAC具有更大的枝化度和相对分子质量 ,体现在水处理效果上是SE -I较PAC有更好的除油、除浊、去除COD和脱色效果。
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     scale trial showed that the volumetric loading rate of the integrated two? step anaerobic reactor was above 21.3 kgCOD·m -3 d -1 and its gas? producing rate was about 0.45 m 3per kg of removal COD at the normal state.
     生产性试验表明 ,一体化两段厌氧反应器正常运行时 ,其容积负荷高达 2 1.3kgCOD·m-3 d-1以上 ,去除COD的产气率达到 0 .4 5m3 ·kgCOD-1以上。
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  “removal cod”译为未确定词的双语例句
     The rate of removal COD is 91.6%.
     COD去除率为 91. 0%;
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     The results show that,the device has obvious affection on eutrophication water pollution removal,COD,TN,NH~+_4-N and TP removal efficiencies are respectively 20.7%~48.5%,20.1%~49.7%,39.8%~66.2% and 60.0%~73.9% higher than those of control experiment.
     结果显示,生物栅技术对富营养化水体的污染物降解效果显著,稳定运行后,采用设置生物栅的2~7号净化池的COD、总氮、氨氮、总磷的去除率较对照池分别提高了20.7%~48.5%、20.1%~49.7%、39.8%~66.2%和60.0%~73.9%.
短句来源
     The results indicated,that the recirculation had positive impaction of COD and NH_3—N removal,COD and NH_3-N were 81.6% and 70% individually.
     结果表明,浓缩液回灌对COD和NH3—N有很好的去除效果,浓缩液回灌出水稳定后,COD去除率为81.6%,NH3—N去除率为70%.
短句来源
     Research on Removal COD Coking Wastewater With Modified Zeolite
     改性沸石对焦化废水中COD的去除研究
短句来源
     The disposing of synthetic organic wastewater test in continuous reactor shows that the PSB-O can removal COD in synthetic wastewater effectively, the highest COD removal rate can be 62.8% at the dilution ratio of 0.025 h-1, which is adequate for organic wastewater disposal.
     将该菌用于连续培养反应器处理合成有机废水试验,结果表明PSB-O可以有效去除合成有机废水中的COD,在稀释率为0.025h-1时去除率达到最高62.8%,可以用于有机废水处理。
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     average COD removal 77%;
     平均COD去除率77%;
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     The COD removal achieved 83%;
     研究表明:(1)该系统对有机物的去除效果好,COD去除率达83%;
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     L-1(COD).
     L~(-1)(COD).
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The principal objective of town gas high concentration wastewater treatment is to produce an effluent that can be discharged without causing environmental contamination.The high concentration activated sludge process is very efficient in phenol removal (COD, CN-, SO- removed>90%) , and the effluent meets the China discharge standard with low capital cost and conservation of energy.It may be applicable to the new-built and renovated Gas Plant without solvent extraction units.

本研究在配水试验的基础上,先后对长春煤气厂伍德炉,焦化炉混合水和石家庄东风焦化厂的蒸氨水进行了一系列的试验研究,其结果高浓度活性污泥法是处理煤气厂高浓度废水的行之有效的方法,其处理结果出水酚达到排放标准,与国内常用处理工艺比较,该流程简单,省掉溶剂萃取,废水经蒸氨后直接进行生化处理的工艺与国外同类废水处理相比,处理效果高,COD、CN~-、S~=等去除率可达90%以上,构筑物与设备费用投资低、节能,对中小型煤气厂的新建或旧厂改建废水处理工程具有推广应用的价值。

In this paper, applications of the fly ash to treatingwastewater and waste gas are introduced, Fly ash possesses goodadsorption property. It is able to be used to removal COD,BOD, chroma, phosphor, enzyme phosphate, and ion of heavymetals (for example chromium) from wastewater. Fly ash canbe made devulcanizing agent for treating fly gas and coagulatingagent for treating wastewater, and their effects are good.

对粉煤灰在废水处理和废气净化方面的应用做了介绍。粉煤灰具有良好的吸附性能,可以用来去除废水中的COD、BOD、色度、磷、磷酸酶和铬等重金属离子,可以加工成优良的混凝剂,还可以制成脱硫剂脱除烟气中的二氧化硫,处理效果良好。

The water quality has affected the products of dye house and chemical factory along the Yangtse River due to it was polluted. A water treatment was studied using the fly ash as adsorbent. The water quality can reach following index COD Mn <6 mg/L; pH = 7 about; Colority<5 degree after treatment by the fly ash therefore the adsorption performance of it was satisfied. Also the removal COD Mn and decolor of waste water from leather factory were conducted using the coal ash as adsorbent. The...

The water quality has affected the products of dye house and chemical factory along the Yangtse River due to it was polluted. A water treatment was studied using the fly ash as adsorbent. The water quality can reach following index COD Mn <6 mg/L; pH = 7 about; Colority<5 degree after treatment by the fly ash therefore the adsorption performance of it was satisfied. Also the removal COD Mn and decolor of waste water from leather factory were conducted using the coal ash as adsorbent. The result shown that the coal ash can reduce obviously the COD Mn content in waste water. The treatment process is easy and economy.

针对长江内江水受到污染 ,对沿江染织、化工等工业企业用水产生影响 ,采用废弃物粉煤灰对其进行吸附性能研究 ,使得CODMn小于 6mg/L ,pH =7左右 ;色度小于 5度。满足用水水质需求 ,其次对煤灰在制革废水中的去除CODMn和脱色性能探讨研究 ,实验表明 ,在组合工艺中粉煤灰和煤灰作为吸附剂对工业供水和废水中的CODMn有显著降低作用 ,而且经济、实用、操作方便。

 
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