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    The experimental results demonstrate that the optimal HRT of SBR was 6 h,and the optimal reaction time of SBR was 4 h of hydrolysis acidification-SBR system at the CODcr of influent was 1 250~1 830 mg/L and eduction ratio of SBR was 1∶2,the effluent water was conform to the second grade of the national standard for wastewater discharge(GB 8978—1996).
    试验结果表明,当进水CODcr质量浓度为1 250-1 830 mg/L,水解酸化池的最佳水力停留时间为6 h,SBR在排出比为1∶2,最佳的反应时间为4 h,出水可以达到国家污水综合排放标准(GB 8978—1996)二级排放标准.
    The result showed that phosphorus concentration in effluent was below 0.5 mg/L and the P in influent could be recovered;
    试验结果表明:磷的出水浓度可以达到0.5 mg/L以下,且可以实现磷的回收;
    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。
    The tests show that when the concentratiorn of CODCr and NH3-N of aerobic reactor influent are 4 987 mg/L and 494 mg/L respectively,the effluent concentrations are 358 mg/L and 136 mg/L respectively and the removal rates are 92.8% and 72.5% respectively.
    试验中,好氧反应进水CODCr和NH3-N质量浓度分别为4987mg/L和494mg/L时,其出水分别为358mg/L和136mg/L,去除率分别为92.8%和72.5%。
    When the influent SO42-is 1 000-1 600 mg/L,i. e. volumetric loading rate is 1-1.6 kg/(m3·d),effluent SO42-maintains 140 mg/L,and the average removal rate is 88.6%.
    当进水硫酸盐质量浓度为1000~1600mg/L时,即SO42-容积负荷为1~1.6kg/(m3·d)时,出水硫酸盐质量浓度为140mg/L左右,平均去除率为88.6%。
    When the UASB influent pH is 4-5,COD is 8 900-12 100 mg/L and BOD is 4 500-5 000 mg/L,the volumetric COD loading rate reaches 10 kg/(m3·d) and COD removal rate is 85%. In the process,COD and BOD removal rate reaches 97.4% and 98.6%,the effluent COD and BOD is less than 300 mg/L and 30 mg/L.
    当进水pH4~5、COD8900~12100mg/L和BOD4500~5000mg/L时,UASB反应器COD容积负荷达到10kg/(m3.d),COD去除率达到85%,系统COD和BOD去除率可分别达到97.4%和98.6%,出水COD<300mg/L,BOD<30mg/L。
    Based on heterotrophic denitrification,simultaneous denitrification and phenol degradation has been developed in a sequencing batch reactor(SBR) for 149 d by increasing the concentrations of influent phenol and NO3——N in step.
    基于异养反硝化原理,在序批式间歇反应器(SBR)中对反硝化同时降解苯酚的菌种进行了149d的驯化,驯化通过逐步提高进水中苯酚和NO3--N的浓度进行。
    At the end of domestication,concentrations of influent phenol,glucose and NO3——N are 360 mg/L,100 mg/L and 240 mg/L,respectively. When the reactor is operated at HRT 6 h,above 98% of phenol and NO3——N could be removed.
    驯化结束后,进水苯酚质量浓度达到360mg/L,葡萄糖质量浓度达到100mg/L,NO3--N质量浓度达到240mg/L,水力停留时间6h,苯酚和NO3--N去除率均大于98%。
    Temperature change had a large effect on the effluent SCOD to TCOD ratio, and the influent water quantity and the hydraulic loading also influenced the SCOD to TCOD ratio.
    出水SCOD/TCOD值受温度变化的影响较明显,同时也受到进水水质和水力负荷的影响.
    Under roughly constant influent water quantity at a flow rate of 22 m3·h-1, when the temperature dropped from 13℃ to 6℃, the effluent SCOD to TCOD ratio reduced by 50%, and the removal rate of TCOD also dropped from 60% to 24%.
    在进水水质接近,进水流量为22m3.h-1下,当温度由13℃降至6℃度时,出水SCOD/TCOD值降低了约50%,TCOD的去除率也由60%降至24%.
    under the condition of influent ammonia nitrogen of 160~170mg/L,below 36℃,ammonia-oxidizing rate was lower; after treating for 24h,ammonia-oxidizing rate was smaller than 50%; the oxidation product was nitrite and nitrate;
    在进水氨氮160~170mg/L条件下,36℃以下,氨氧化速率低,处理24h后,氨氧化率不到50%,氧化产物为亚硝酸盐和硝酸盐;
    Biological aerated filter(BAF) was used for pre-treatment of the Zhujing River water. The result showed that under the condition of air/water ratio of 2∶1,filter velocity of 7.5m/h,water temperature of over 15℃,and influent ammonia nitrogen of 4.6mg/L or less,the removal rate of ammonia nitrogen was 70%~95%,and there was no nitrite accumulated in the reactor.
    采用曝气生物滤池(BAF)预处理珠江源水,结果表明,在气水比为2:1、滤速为7.5m/h、水温>15℃的条件下,当进水氨氮<4.6mg/L时,BAF对氨氮的去除率为70%~95%; BAF反应器中没有亚硝酸盐氮的积累;
    Under the condition of influent CODMn was 4.3~15.6mg/L,the removal rate of CODMn was 25%~60%.
    在进水CODMn为4.3~15.6mg/L的情况下,BAF对CODMn的去除率为25%~60%。
    Chemical fiber tail wastewater was treated by facultative anaerobe-PACT process, when the influent COD was 250~450mg/L,the effluent COD≤100mg/L and removal rate reached to over 80%; various indexes could meet the first class standard in the national Sewage Comprehensive Discharge Standard (GB8978-1996).
    采用兼氧-PACT工艺对南京化纤厂化纤尾水进行处理,当进水COD为250~450mg/L时,出水COD≤100mg/L,去除率达到80%以上,各项指标均能达到国家《污水综合排放标准》(GB8978-1996)中的一级标准。
    The paper introduced the NOx fromation mechanism and influent factors in the coal burning process, and disscussed relative low NOx burning technology in cement industry.
    文章分析了水泥工业回转窑中煤粉燃烧过程中NOx的形成机理,并针对NOx的形成机理和影响因素,探讨了水泥工业相关的低NOx燃烧技术。
    Municipal wastewater is treated by combined carrier and modified MUCT process. Removal efficiency for nitrogen and phosphorus at various SRT was measured. The results show that under condition of SRT=8 d,the influent NH+4-N=38.4 mg/L,CODCr=198.1 mg/L,TP=4.7 mg/L,the running of system is stable.
    应用组合填料改良MUCT工艺处理城市污水,考察了系统在不同工况下的脱氮除磷特性,试验结果表明:在泥龄为8 d的条件下,当进水NH4+-N为38.4 mg/L、CODCr为198.1 mg/L、TP为4.7 mg/L时,系统运行稳定,出水的主要指标均达到国家的有关标准.
    With HRT=6 h and influent COD increased gradually,particle sludge was tamed then effluent pH and COD removal rate was heading for stability 20 days after the operation.
    在水力停留时间(HRT)6 h,进水COD逐渐提高的情况下对颗粒污泥进行驯化,20 d后pH、COD去除率趋于稳定。
    The anaerobic/oxic(A/O) MBR system has a capacity to treat wastewater up to 4m3/d, through which the BOD5 and CODCr in the influent are 90~450mg·L-1 and 120~900mg·L-1,and they in effluent are 5~25mg·L-1 and 8~45mg·L-1,respectively,i.
    系统采用A/O工艺,日处理污水4 m3.当进水BOD5和CODCr分别为90~450 mg. L-1,120~900 mg.
    Results showed that degradation rate of resorcin was rapid when SCODcr of influent was 500~2000mg/L.
    结果表明:共代谢基质SCOD浓度在500~2000mg/L时,间苯二酚的降解速率很高;
    The results show that in summer when the influent volume loading is 400 L/d,the removals of NH+4-N,TN and TP are 83%,80% and 83% respectively. The corresponding mass of the pollutants removed are 4 772 mg/d,5 463 mg/d and 524 mg/d,respectively.
    结果表明,在夏季,当进水容积负荷为400 L/d时,人工湿地系统对NH4+-N、TN和TP的去除率分别为83%、80%和83%,相应的污染物削减量分别为4 772、5 463和524 mg/d;
 

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