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influent cod concentration
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  进水cod浓度
     The range of i nfluent COD concentration for treatment system was 400—700 mg·L-1, and the op timum influent COD concentration for artificial soil filter was 200—300 mg·L- 1.
     人工土滤床最佳进水COD浓度为200—300mg·L-1,处理系统进水COD浓度为400—700mg·L-1。
短句来源
     After 49 days of increasing loads,the EGSB reactor operates well. With influent COD concentration 3 700 mg/L and HRT 3.4 h,the influent loading rate is 42.51 kgCOD/(m~3·d),COD removal efficiency is 95.7% and the effluent COD concentration is lower than 160 mg/L.
     经历49 d的提高负荷期后,EGSB反应器获得了良好的运行效果:当进水COD浓度为3 700 mg/L、HRT为3.4 h时,进水COD负荷可达42.51 kgCOD/(m3.d),对COD的去除率达到95.7%,出水COD浓度<160 mg/L。
短句来源
     When the influent COD concentration was kept at 6 000 mg/L, the hydrogen yield increased from 13.1 L/d to 16.2 L/d while HRT dropped from 8 hours (OLR 18kg/(m3·d)) to 6 hours(OLR 24 kg/(m3·d)).
     在维持进水 COD浓度为6 000 mg/L、(35±1)℃不变的条件下,HRT为6 h(OLR为24 kg/(m3·d))时,CSTR发酵产氢系统的最大产氢量为16.2 L/d;
     Hydraulic retention time(HRT) was 24 h during the experiment,The influent COD concentration was 500,1 000,1 500,2 000 mg/L during the start-up,the COD removal reached 93.48 % and kept stable after 42 days,the start-up finished.
     进水COD浓度分别为500,1 000,1 500,2 000 mg/L,42天后COD去除率达到93.48%,并且保持稳定,反应器启动完成。
短句来源
     Effect of Influent COD Concentration and C/N Ratio on Denitrification
     进水COD浓度及C/N值对脱氮效果的影响
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  “influent cod concentration”译为未确定词的双语例句
     2. And when the influent COD concentration was added to 3500~4800 mg/L, 4200 mg/L on the average, the effluent COD would be above 990 mg/L, and the highest value would reach 1300 mg/L, the COD removal only 65~75%, and the BOD_5 removal about 84%.
     而当进水COD增加到3500~4800 mg/L(平均4200 mg/L)时,出水COD在990 mg/L以上(最高1300 mg/L),COD去除率只有65~75%,BOD_5在84%左右。
短句来源
     The results are:1. When the influent COD concentration of the aeration tank was controlled in the range of 1500 to 3500 mg/L, 2000 mg/L on the average, and the sludge concentration was kept in 2000~3500mg MLSS/L, the effluent COD concentration could be remained below 500 mg/L, the COD removal above 80%, and the BOD_5 removal around 94%.
     结果为:当曝气池进水浓度(COD)为1500~3500mg/L(平均2000 mg/L),污泥浓度保持在2000~3500 mg MLSS/L时,出水COD可维持在500 mg/L以下,COD去除率在80%以上,BOD_5去除率可在94%左右;
短句来源
     When the influent COD concentration is 500mg/L and NH_4~+-N concentration is 15mg/L,the concentrations of COD,NH_4~+-N and TN in the outlet are smaller than 50 mg/L,3mg/L and 4.5 mg/L,and COD removal rate,nitrification efficiency and denitrification efficiency are 90%,80% and 70% respectively.
     在进水COD和NH4+—N浓度为500mg/L、15mg/L时,出水COD、NH4+—N和TN浓度<50mg/L、3.0mg/L、4.5mg/L,COD去除率、硝化率和反硝化率分别达到90%、80%和70%。
短句来源
     The stable COD removal of 64% and the production rate of CH4 was 0.25m3/m3.d could be maintained under the conditions of OLR = 4.4 kgCOD/m3. d and influent COD concentration of 4500mg/L.
     当进水OLR为4. 4 kgCOD/m3. d、COD为4500mg/L左右时,COD去除率可稳定在64%,产气率可达0. 25m3/m3. d。
短句来源
     When the C/N ratio is 5:1, denitrification velocity was increased with the influent COD concentration, when the influent COD concentration was 300mg/L, the denitrification velocity was 0.032mgNOx/mgVSS·h and 0.031mgNOx/mgVSS·h respectively, while the initial COD concentration was450mg/L, the velocity was 0.082mgNOx/mgVSS-h and 0.063mgNOx/mgVSS-h respectively, and no nitrite was accumulated.
     当C/N比为5:1时,颗粒污泥的反硝化速率又随初始COD的浓度的增大而增大,在初始COD浓度为300mg/L时,反硝化速率为0.032mgNOx/mgVSS·h和0.031mgNOx/mgVSS·h,而在初始COD浓度为450mg/L时分别为0.082mgNOx/mgVSS·h和0.063mgNOx/mgVSS·h,并且无亚硝酸盐积累。
短句来源
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  相似匹配句对
     influent COD 4613 mg/L;
     平均进水COD浓度4613mg/L;
短句来源
     Measurements of Influent COD Components for Activated Sludge Models
     活性污泥模型进水COD组分的测定方法
短句来源
     Effect of Influent COD Concentration and C/N Ratio on Denitrification
     进水COD浓度及C/N值对脱氮效果的影响
短句来源
     With the influent COD concentration increased, initial uptake of sludge was increased.
     进水浓度对吸附量有很大影响,随着进水浓度增加,吸附量也增加。
短句来源
     L-1(COD).
     L~(-1)(COD).
短句来源
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  influent cod concentration
The compact biomass structure allowed halving the settling time, the initial reactor volume, and doubling the influent COD concentration.
      
In the case of constant influent chloride concentration of 4000?mg/l and at an increasing influent COD concentration, the toxicity due to tannin on anaerobic contact filter was observed at 1180?mg/l.
      
The influent COD concentration was varied in the range of 1500 to 16500?mg/l, at different hydraulic retention times viz 36,48,60 hr.
      
The same sharp increase can be also shown in influent COD concentration changes line in Figure 2.
      
The average influent COD concentration was 1282 mg/l and the average effluent COD concentration after four days was 1174 mg/l.
      
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Some characteristics of Anaerodic attached film expanded bed(AAFEB)reactor are studied when highly concentrated organic wastewater is treated at a moderate temperature range.When the biofilm in the reactor grows well, the organic load rate(OLR)of the reactor can be raised to 70 KgCOD/m~3·d, COD removal efficiency to about 90% The reactor is very insensitive to temperature changes.The COD removal efficiency does not change noticeably. when the influent COD concentration changes intensly.The...

Some characteristics of Anaerodic attached film expanded bed(AAFEB)reactor are studied when highly concentrated organic wastewater is treated at a moderate temperature range.When the biofilm in the reactor grows well, the organic load rate(OLR)of the reactor can be raised to 70 KgCOD/m~3·d, COD removal efficiency to about 90% The reactor is very insensitive to temperature changes.The COD removal efficiency does not change noticeably. when the influent COD concentration changes intensly.The influence of shock loading is very little effect on the COD removal efficiency. The rate of removal of substrate by the biofilm follows a first—order reaction for a certain range of COD. The constant of specific substrate removal rate is 1.1×10~(-3)1/mg·d.

本文研究了厌氧附着膜膨胀床(以下简称AAFEB)反应器在中温下处理高浓度有机废水的部分性能。当生物膜形成并良好生长时,该系统的有机负荷可以达到70kgCOD/m~3载体·天.COD去除率为90%左右。 AAFEB反应器对环境温度变化的反应非常迟钝,COD去除率并不随着进水COD浓度的变化而发生比较明显的变化,并且具有良好的耐有机负荷率冲击的能力。在一定的基质浓度范围内,生物膜的此基质降解速度与基质浓度呈一级动力学关系,动力学方程为:

A lab-scale anaerobic attached film expanded bed reactor for treating wastewater was set up to study its operation performance under steady state. According to the operating characteristics of the AAFEB reactor and the kinetic theory of the conventional completely mixed activated sludge process,the process kinetic models of AAFEB reactor under steady state operation have been developed, which include substrate utilization kinetic model, microbial growth kinetic model and methanoge-nic kinetic model. By analyzing...

A lab-scale anaerobic attached film expanded bed reactor for treating wastewater was set up to study its operation performance under steady state. According to the operating characteristics of the AAFEB reactor and the kinetic theory of the conventional completely mixed activated sludge process,the process kinetic models of AAFEB reactor under steady state operation have been developed, which include substrate utilization kinetic model, microbial growth kinetic model and methanoge-nic kinetic model. By analyzing the data obtained from operation under steady state and the kinetic models, best estimates of kinetic parameters, sensitivity analysis for model parameters, model verification and kinetic simulation of operating parameters such as HRT, influent COD concentration and sludge concentration which affect operating performance of an anaerobic digester, were investigated.

从AAFEB反应器运行工况特点和全混合活性污泥动力学的理论出发,建立了AAFEB反应器稳态运行的过程动力学模型。并作了动力学模型参数估值、灵敏度分析,模型检验,以及运行参数影响的动力学模拟.

The efficiency of treating concentrated organic wastewater with the anaerobic attached microbial film expanded bed process was studied. When influent COD concentration were 5 104, 11 006 and 29874 mg/1, and HRT 4.0, 8.0 and 17. Y hours, the volumetric COD loadings were 30.6, 33.0 and 40.4 g COD/1.d, volumetric biogas production rates 13.4, 14.7 and 16.9 1/1. d, respectively, percent COD removal was more than 80% and methane content of the biogas more than 56%. The results showed that...

The efficiency of treating concentrated organic wastewater with the anaerobic attached microbial film expanded bed process was studied. When influent COD concentration were 5 104, 11 006 and 29874 mg/1, and HRT 4.0, 8.0 and 17. Y hours, the volumetric COD loadings were 30.6, 33.0 and 40.4 g COD/1.d, volumetric biogas production rates 13.4, 14.7 and 16.9 1/1. d, respectively, percent COD removal was more than 80% and methane content of the biogas more than 56%. The results showed that the optimum COD loading was about 35 g/1. d and the optimum HRT were 4.0, 8.0 and 18.0 hours, respectively.

用厌氧附着膜膨胀床工艺处理高浓度有机污水,可以取得相当高的运行效率,在进水COD浓度依次为5104,11006和29874mg/l,水力滞留时间为4.0,8.0和17.7小时的条件下,装置的COD负荷达30.6,33.0和40.4g/1.d,容积产气率达13.4,14.7和16.9 1/l.d,COD去除率稳定在80%以上,沼气CH_4含量高于56%.试验表明,处理上述各档浓度污水的适宜COD负荷为359/1.d;适宜的水力滞留时间为4.0,8.0和18.0小时.

 
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