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曝气过滤     
相关语句
  aeration and filtration
     Study on Characteristics of an Aeration and Filtration Unit
     一种曝气过滤元件的特性研究
短句来源
     Facing upon the membrane fouling in a membrane bioreactor,a novel aeration and filtration unit was developed,aiming at effectively enhancing flux as one factor and considerably providing the oxygen in the need of microorganism as the other one.
     针对膜生物反应器面临的膜污染问题,开发一种新型的曝气过滤元件,该元件一方面可恢复元件污染造成的通量的下降,另一方面可有效补偿微生物反应过程中对氧的需求。
短句来源
  aeration filtration
     Phosphorus Removal by Chemical Precipitation with Aeration Filtration from Municipal Sewage
     城市污水曝气过滤式化学除磷试验研究
短句来源
  aeration filter
     Through experiment, the feasibility of using oxidation-reduction potential (ORP) to predict and control the iron content of the effluent from the iron removal filter bed was studied. The influences of hydraulic loading rate (HLR), dissolved oxygen (DO), and pH value on ORP and iron removal effect of the filter bed, as well as iron removal mechanism of the aeration filter were explored.
     试验研究了应用氧化还原电位(ORP)预测和控制除铁滤池出水含铁量的可行性,探讨了水力负荷(HLR)、溶解氧(DO)和pH值对ORP和滤池除铁效果的影响以及曝气过滤除铁的机理.
短句来源
  aerated filtration
     the effect of operational conditions on removal efficiencies of organic pollutants, suspended solids as well as nitrogen and phosphorus, development of a kind of chemical method appropriate to BBAF reactor using aerated filtration to enhance phosphorus removal and the corresponding mechanism, and the characteristics of biofilm by investigation into the biomass, biofilm activity and microorganism distribution in each BBAF compartment.
     开发了适于BBAF反应器的曝气过滤式化学除磷方法,并对其除磷机理进行了研究; 通过分析各单池生物量、生物活性、微生物分布,探讨了BBAF反应器中的生物膜特征。
短句来源
     A new chemical method (aerated filtration for phosphorus removal) was invented according to
     关键词:城市污水,折流曝气生物滤池,曝气过滤式化学除磷,生物膜特征
短句来源
     On the basis of summarizing the related references home and abroad, through medium experiments we researched the effect of filter media and operation conditions on iron removal by contact oxidation from groundwater, and investigated the mechanism of iron removal by aerated filtration and the rate of iron removal by contact oxidation.
     本论文在综述国内外相关文献的基础上,通过中型试验,比较深入地研究了滤料介质、操作条件对地下水接触氧化除铁的影响,初步探讨了地下水曝气过滤除铁的机理和接触氧化除铁的速率。
短句来源
     Industrial experiment on composed process of two stage aerated filtration and floatation rapid filtration was conducted to treat intermediate wastewater in paper making plant.
     采用双段曝气过滤与气浮、快滤组合工艺对造纸中段废水的循环利用进行了工业性试验。
短句来源

 

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      aeration and filtration
    Most low-cost technologies for arsenic and manganese removal rely on aeration and filtration through porous media such as sand and gravel.
          


    Neutralization and deferrization are keys to the acid mine drainage (AMD) treatment. Aeration plays an important role in the AMD treatment. It is the optimun aeration value that gas/liquid ratio is 4.O in AMD treatmeat by using the technological process of neutralization with limestone-aeration-mentralization fitration with meator, concluded that iron concentration of the effluent from the process is not over 0.8ng/L,if con(?)(?)tr (?) AMD is not over 70.0mg/L.If Fe concentration of the AMD is over (?) settling...

    Neutralization and deferrization are keys to the acid mine drainage (AMD) treatment. Aeration plays an important role in the AMD treatment. It is the optimun aeration value that gas/liquid ratio is 4.O in AMD treatmeat by using the technological process of neutralization with limestone-aeration-mentralization fitration with meator, concluded that iron concentration of the effluent from the process is not over 0.8ng/L,if con(?)(?)tr (?) AMD is not over 70.0mg/L.If Fe concentration of the AMD is over (?) settling tank.the same treatment resttll can also he obtained.

    依据煤矿酸性矿井水水质特征,认为处理煤矿酸性矿井水关键之一是中和及除铁。曝气在中和及除铁处理中具有重要的作用,气水比取4.0是石灰石中和曝气过滤处理工艺流程的最佳曝气量。现场和实验室实验结果表明,当煤矿酸性矿井水Fe~(2+)含量≯70.0mg/L时,处理后出水总Fe含量≯0.5mg/L;当Fe~(2+)含量>70.0mg/L时,在回流部分沉淀池出水的条件下,处理后出水总Fe含量也≯0.5mg/L。

    A process of simple aeration + primary biological treatment based on the Mn removal capacity of ferro bacteria has been proposed. It can remove both Fe and Mn simultaneously from underground water with high Mn and Fe content and can enhance the formation of the stable Mn removal ability of the filtration layer. The influence factors to the concerned process are discussed. The experiment results has shown that this is an economical filtrating unit operation with high aeration efficiency to remove Fe and Mn.

    根据铁细菌的生物除锰作用 ,提出了“简单曝气 +一级生物过滤”的地下水生物处理工艺 ,实现了高含量铁锰同时去除的效果 ,促进了滤层稳固除锰能力的形成 ;同时 ,对提出的生物工艺的运行影响因素进行了分析。试验结果表明 ,地下水除铁除锰生物工艺具有经济、高效的曝气、过滤单元。

    The conventional treatment technology has been used so far for Fe 2+ and Mn 2+ removal process, that is: Fe 2+ removal is achieved in the 1st stage and Mn 2+ removal in the 2nd stage. After the development of biological fixation and removal of Mn 2+, we have made experiments for a long time and found the regularity that Fe 2+ and Mn 2+ can be removed in the same biological filtering layer. Thus, a simple process of one-stage aeration and filtration may be used for renewal of the conventional two-stage...

    The conventional treatment technology has been used so far for Fe 2+ and Mn 2+ removal process, that is: Fe 2+ removal is achieved in the 1st stage and Mn 2+ removal in the 2nd stage. After the development of biological fixation and removal of Mn 2+, we have made experiments for a long time and found the regularity that Fe 2+ and Mn 2+ can be removed in the same biological filtering layer. Thus, a simple process of one-stage aeration and filtration may be used for renewal of the conventional two-stage aeration and filtration process.

    迄今为止的除铁、除锰工艺大多是采用传统的处理方法 ,即 :一级除铁、二级除锰。在生物固锰、除锰技术确立以后 ,通过长期的试验研究 ,发现了铁、锰离子可以在同一生物滤层中去除的规律 ,从而可以采用一级曝气、过滤的简缩流程以更新传统的二级曝气、过滤的长流程设计。

     
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