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influent cod
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  进水cod
     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
     As influent COD, NH_4~+-N, TP, and TN were 83.2-497.6 mg/L, 7.7-22.5 mg/L, 12.5-29.9 mg/L, and 1.23-3.28 mg/L, respectively, the averaged removal efficiencies were 96%, 96.6%, 54.4%, and 96.9%, respectively.
     进水COD、NH_4~+-N、TN和TP分别为83.2~497.6mg/L、7.7~22.5mg/L、12.5~29.9 mg/L和1.23~3.28mg/L时,其去除率平均分别为96%、96.6%、54.4%和96.9%。
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
     influent COD 4613 mg/L;
     平均进水COD浓度4613mg/L;
短句来源
     The results demonstrate that under the condition of influent COD of 300 mg/L,TN of 40.3 mg/L,and TP of 3.82 mg/L,the removal rates of TN,TP and COD are 70%,86% and 88%,respectively.
     研究结果表明:在进水COD≥300 mg/L,TN为40.3 mg/L,TP为3.82 mg/L时,对TN、TP及COD的去除率分别可达70%、86%和88%;
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  原水cod
     In the treatment of wastewater from azo dye production by electrolysis in a bipolar packed bed cell, the removal efficiencies of color and COD came up to over 99% and 78.4%~ 97.2% respectively under the conditions of 200mg/L of influent COD, 30V of cell tension, 2h of retention time and 1∶4 of conductive particles to insulating particles(V/V).
     用复极性固定床电解槽处理偶氮染料废水,在正交试验确定的原水COD200mg/L、槽电压30V、停留时间2h、导电颗粒与绝缘颗粒体积比14的条件下,色度和COD去除率分别达到99%以上和78.4%~97.2%。
短句来源
     Under the conditions of temperature 15℃~18℃, the influent COD concentration 1500~1580mg/L, colour 400 times, AMB HRT 8h and ABO volumetric loading rates 4. 0kg COD/m3. d, the percentage of removing colour and COD are 96. 9%and 93.4% respectively.
     在15℃~18℃的条件下,当原水COD浓度为1500mg/L~1580mg/L,色度400倍,厌氧水力停留时间8h,好氧容积负荷率4.0kgCOD/m~3(填料)。 d时,色度及COD的去除率分别为96.9%及93.4%。
短句来源
     Free flocculation state was recognized when influent COD10000mg/L,while crowded state was if influent COD>10000mg/L.
     以原水COD10000mg/L为界,呈自由絮凝和拥挤絮凝两种状态。
短句来源
     When the influent COD was 7000~51550 mg/L, pH 4~13, the removal efficiency of anaerobic reactor was about 50%, that of MBR was about 80%, the effluent quality could meet the national wastewater discharge standard.
     当原水 COD为 70 0 0~ 51 550 mg/L ,p H值为 4~ 1 3时 ,厌氧池去除效率保持在 50 %左右 ,膜生物反应器处理效率保持在 80 %以上 ,COD等指标可以达到排放标准。
短句来源
     Under free state,influent COD:PAC:PAM showed 7.5:1∶0 013 and COD and SS removal were over 85%and 95%respectively But under crowded state,the dose fo PACand PAM increased more than free state It was suggested that WSE should be treated under free state.
     在自由絮凝时,原水COD:PAC:PAM呈75:1:0013,COD、SS去除率分别达85%,95%以上。 拥挤絮凝时PAC、PAM的投量激剧增加。
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  “influent cod”译为未确定词的双语例句
     Results of pilot test showed that when hydraulic load were 600mm/d and 1200mm/d, and the influent COD, NH_3-N and TP were 97~138mg/L, 17.1~24.8mg/L and 2.48~3.35mg/L respectively, the corresponding removal were 82% and 70%, 74% and 67%, 75% and 68%.
     小试研究发现,利用垂直流人工湿地处理COD=97~138mg/L、NH_3-N=17.1~24.8mg/L和TP=2.48~3.35mg/L的河水,在水力负荷为600mm/d和1200mm/d时,系统平均去除率分别为82%和70%、74%和67%、75%和68%;
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
     A-SBR is applied to treat coking-plant wastewater with the influent COD1100mg/L, NH3-N210mg/L, anoxic 4h, SBR aeration 8h, mixing 3h, re-aeration 4h and setting 1.5h, the effluent is COD 68.2mg/L, NH3-N 51.2mg/L, and the removal rates up to 93.8% and 75.6% respectively.
     采用水解酸化-SBR工艺处理焦化废水,进水水质为COD1 100mg/L,NH3-N210mg/L时,水解酸化4h,SBR曝气8h,搅拌3h,再曝气4h,沉降1.5h,出水COD68.2mg/L,NH3-N 51.2mg/L,去除率分别达到93.8%,75.6%.
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。
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  influent cod
Domestic wastewater with an influent COD of 160 to 327 mg L-1 was evaluated for treatment by the Biofilm Airlift Suspension-reactor (BAS-reactor).
      
Increases in influent COD combined with transient temperature reductions also caused a significant reduction of NTA removal.
      
Increasing the influent COD had a slight effect on NTA removal.
      
The compact biomass structure allowed halving the settling time, the initial reactor volume, and doubling the influent COD concentration.
      
Anaerobic filter removed up to 70% of the influent COD concentrations at organic loading rates (OLR) of 9.5 and 14.3 (g/l d) and sulphate up to 80% at OLR of 7.1 and 14.3 (g/l d) whereas the pH ranged between 7.0 and 7.5.
      
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Ribostamycin wastewater was treated by biological fluidized bed oxidation process.Influent COD_ci is 1,500 to 2,000 mg/L and BOD_5 is 900 to 1,000 mg/L. The CODcr elimination rate is above 90%, and BOD5 removal efficiency is more than 99%. After treating by biological fluidized-bed oxidation process. effluent CODcr is reduced to 100 mg/L. while BOD5 is minimized to 9 mg/L. CODcr load eliminating rate can rea- ch higher than 4 kg COD_cr/M~3. d.The spent granular activated carbon which has been used...

Ribostamycin wastewater was treated by biological fluidized bed oxidation process.Influent COD_ci is 1,500 to 2,000 mg/L and BOD_5 is 900 to 1,000 mg/L. The CODcr elimination rate is above 90%, and BOD5 removal efficiency is more than 99%. After treating by biological fluidized-bed oxidation process. effluent CODcr is reduced to 100 mg/L. while BOD5 is minimized to 9 mg/L. CODcr load eliminating rate can rea- ch higher than 4 kg COD_cr/M~3. d.The spent granular activated carbon which has been used for air filtering material was used as carrier of microorganisms. Packing rate is about 10%.Effluent CODcr and BOD_5 meet the requirement of the National Waste Treatmeno Standard.The data processing is computerized tt obtain the optimum conditions.

生物流动床氧化法处理核糖霉素生产废水,用抗生素生产上的废活性炭粒做载体,填充率10%。进水CODcr1500~2000mg/L,BOD_5900~1000mg/L,CODcr去除率达到90%以上,BOD_5去除率达99%以上,CODcr去除负为荷4kgCODcr/M~3 ·d以上,BOD_5去除负荷为 2.9kgBOD_5/M~3·d以上,出水CODcr100mg/L以下,BOD_510mg/L以下,可以达到国家规定的排放标准。试验数据用电子计算机进行数理统计并求得最佳运转条件。

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:

This paper reports the methods and the main results of disposing sugarcane molasses wastwater with two-phase anaerobic system and UASB + AF reactor.When reaction temperature was 35℃ and volumetric loading rate was l2gCOD/l.d,the concentrations of influent COD was 10,000 mg/l, pH value was 4.5, HRT was 0.83 days, COD removel rate was 67-73%, volumetric biogas production rate was over 3l/l·d, CH_4 content was about 70%, biogas yield of 1 g COD was 0.251

本文报道应用两段系统和上流式污泥床与过滤层结合型反应器的厌氧消化工艺处理甘蔗糖蜜酵母废水的研究方法及其获得的良好结果。当反应温度为35℃,反应器容积负荷为12gCOD/1·d时,进水COD_(cr)浓度为10,000mg/l,pH值为4.5,水力停留时间为0.83天,出水COD_(cr)浓度为3300—2700mg/l,pH值为7.1,COD_(cr)去除率为67—73%,反应器容积产气率在31/1.d以上,甲烷含量为70%左右,每克COD的沼气产量为0.251。

 
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