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partial nitrification
相关语句
  短程硝化
     Partial nitrification of ammonia-containing wastewater.
     含氨废水短程硝化工艺的探讨
短句来源
     Partial nitrification of ammonia-containing wastewater can save energy and reduce cost, and has become one of the hotspots in the research of biological nitrogen removal from wastewater.
     含氨废水的短程硝化能够实现节能降耗,是目前废水生物脱氮领域的研究热点.
短句来源
     After that,the air supply was ele- vated to 40 L·h~(-1) once again,and the partial nitrification still kept stable.
     在实现短程硝化后,再次提高曝气量为40L·h~(-1)时,短程硝化可以稳定保持。
短句来源
     Based on this, The feasibility of introducing partial nitrification to A~2/O process where denitrifying phosphorus removal exist by low DO control method, the influencing factors and control parameters were systematically studied.
     在稳定运行反硝化除磷系统之后,通过好氧区低溶解氧的控制成功在A~2/O连续流工艺中启动短程硝化反硝化,并伴随启动了同步硝化反硝化。 NO_2~-/(NO_2~-+NO_3~-)比值达到99% , DO0.6~0.9条件下,出水总氮达到4mg/L,TN去除率可提高到95.74%。
短句来源
     Study of partial nitrification and simultaneous nitrogen removal under low dissolved oxygen condition
     低溶解氧短程硝化及同步脱氮研究
短句来源
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  “partial nitrification”译为未确定词的双语例句
     At 20℃, as ammonia loading rate increased (from 0.825kg/(m~3·d) to 1.32kg/(m~3·d), the ammonia removal slightly decreased, but the nitrite accumulation was observed at sampling port 3, which demonstrates that a partial nitrification occurred because of a relative deficient DO as ammonia loading rate increased with oxygen limitation.
     此外,20℃时随氨氮负荷的增加(从0.825kg/(m3·d)提升到1.32kg/(m3·d)),氨氮去除率略有下降,但在第3个取样口处却发现有亚硝酸盐氮累积现象,这是因为在供氧受限时,随负荷的增加,溶解氧相对短缺发生了部分硝化作用。
短句来源
     During the process of the programmed air supply decreasing from 60 to 28 L·h~(-1),the change from complete nitrification to partial nitrification occurred,and the nitrite accumulating rate exceeded 95%,with the effluent nitrate concentration of less than 2.0 mg·L~(-1).
     在曝气量由60L·h~(-1)逐渐降低到28L·h~(-1)的过程中,实现了由全程硝化到短程硝化的转变,亚硝酸盐积累率达到95%以上,出水硝态氮稳定在2.0mg·L~(-1)以下。
短句来源
     Through an activated sludge SBR reactor,the authors study the influence of FA concentration and pH on the partial nitrification of low C/N nitric wastewater.
     采用活性污泥法SBR工艺研究低C/N含氮污水实现亚硝化要求的适宜pH值和游离氨(FA)浓度.
短句来源
     The reactor was inoculated with nitrifying sludge and the partial nitrification realized by using complete autotrophic bacteria. The experimental results showed that for dissolved oxygen 0.5 mg/L and free ammonia concentrations 11.8~49.1 mg/L,the start-up could be completed within 13 days.
     实验结果表明,控制溶解氧(d isso led oxygen,DO)浓度为0.5 m g/L、游离氨浓度11.8~49.1 m g/L时,反应器的启动在第13 d完成。
短句来源
     The principle of partial nitrification and the merits of a new process based on that principle were analyzed, effects of the controlling conditions such as temperature, pH, dissolved oxygen, free ammonia and sludge age were discussed, and some new processes for partial nitrification were presented.
     本文分析了短程硝化的原理及基于短程硝化的新型生物脱氮工艺的优势,探讨了温度、pH、溶解氧、游离氨、污泥龄等控制条件对实现短程硝化的影响以及适宜的参数范围,并介绍了短程硝化的工艺途径.
短句来源
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  相似匹配句对
     Partial nitrification of ammonia-containing wastewater.
     含氨废水短程硝化工艺的探讨
短句来源
     Acclimation in Partial Nitrification Process of Long MCRT
     长泥龄SBR亚硝化系统的污泥适应性
短句来源
     Nitrification Inhibitor
     硝化抑制剂
短句来源
     PARTIAL DIPLOMYELIA
     部分的二重脊髓
短句来源
     NITRIFICATION OF WASTEWATER
     废水的硝化作用
短句来源
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  partial nitrification
Of these, pH, dissolved oxygen (DO), temperature, free ammonia (FA) and nitrous acid concentrations, inhibitory compounds are important factors in achieving partial nitrification.
      
A broad range of operating parameters and factors has been reviewed in this paper which are essential for achieving partial nitrification.
      
In engineered systems, partial nitrification is of interest as it offers cost savings in aeration as well as in the form of lesser need for addition of organic carbon as compared to the conventional denitrification.
      
Nitrite accumulation or partial nitrification has been reported in literature for decades.
      
Partial nitrification-operational parameters and microorganisms involved
      
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Oxygen limited autotrophic nitrification and denitrification (OLAND) is a biological nitrogen removal process coupled with partial nitrification and anaerobic ammonium oxidation. In our study,the nitrification was blocked at nitrite stage by controlling the dissolved oxygen concentration at 0.1~0.3 mg·L -1 ,and then,the denitrification proceeded,with the residual ammonium at the partial nitrification stage as electron donor. As a completely autotrophic nitrification denitrification...

Oxygen limited autotrophic nitrification and denitrification (OLAND) is a biological nitrogen removal process coupled with partial nitrification and anaerobic ammonium oxidation. In our study,the nitrification was blocked at nitrite stage by controlling the dissolved oxygen concentration at 0.1~0.3 mg·L -1 ,and then,the denitrification proceeded,with the residual ammonium at the partial nitrification stage as electron donor. As a completely autotrophic nitrification denitrification process,the OLAND was of many advantages (e.g.,low energy consumption,high nitrogen removal rate and small footprint of system),and suitable in particular for treating low COD/NH 4 + N ratio wastewater. It has become one of the most prosperous and practicable biological nitrogen removal technologies. The recent research of OLAND was reviewed,and its microbial mechanism as well as its applicable prospect was remarked in this paper.

限氧自养硝化 反硝化是部分硝化与厌氧氨氧化相耦联的生物脱氮反应过程 ,通过严格控制溶解氧在 0 .1~ 0 .3mg·L-1,实现硝化反应控制在亚硝酸阶段 ,然后以硝化阶段剩余的NH4+作为电子供体 ,在厌氧条件下实现反硝化 .该反应过程是完全的自养硝化 反硝化过程 ,具有能耗低、脱氮效率高、反应系统占地面积小等优点 ,适用于处理COD/NH4+ N低的废水 ,是一种非常有应用前景的生物脱氮技术 .文中详细介绍了限氧自养硝化 反硝化生物脱氮反应过程的研究进展 ,讨论了其微生物学机理及应用前景

Partial nitrification of ammonia-containing wastewater can save energy and reduce cost, and has become one of the hotspots in the research of biological nitrogen removal from wastewater. The principle of partial nitrification and the merits of a new process based on that principle were analyzed, effects of the controlling conditions such as temperature, pH, dissolved oxygen, free ammonia and sludge age were discussed, and some new processes for partial nitrification were presented.

含氨废水的短程硝化能够实现节能降耗,是目前废水生物脱氮领域的研究热点.本文分析了短程硝化的原理及基于短程硝化的新型生物脱氮工艺的优势,探讨了温度、pH、溶解氧、游离氨、污泥龄等控制条件对实现短程硝化的影响以及适宜的参数范围,并介绍了短程硝化的工艺途径.

Anaerobic ammonium oxidation (ANAMMOX) is a new innovative process of nitrogen conversion. Combined with partial nitrification process, the ANAMMOX process offers great opportunities to remove ammonia from wastewater without the addition of an external carbon source and with considerable less aeration costs in comparison with classical methods. ANAMMOX is a biologically mediated process. Two bacterium are identified responsible for the process as new deep-branching planctomycete : Candidatus Brocadia anammoxidans...

Anaerobic ammonium oxidation (ANAMMOX) is a new innovative process of nitrogen conversion. Combined with partial nitrification process, the ANAMMOX process offers great opportunities to remove ammonia from wastewater without the addition of an external carbon source and with considerable less aeration costs in comparison with classical methods. ANAMMOX is a biologically mediated process. Two bacterium are identified responsible for the process as new deep-branching planctomycete : Candidatus Brocadia anammoxidans and Candidatus Kuenenia stuttgar-tiensis. ANAMMOX physiology and biochemistry are discussed. Two applications, CANON and SHARON-ANAMMOX , are introduced.

厌氧氨氧化是近年来发现的一种新的氮素转化途径。与部分硝化相结合,应用于污水脱氮,具有运行成本低、节约能源和资源等优点。厌氧氨氧化是一生物过程,已确定的细菌有2种:Candidatus Brocadia anammoxidans和Candida-tus Kuenenia stuttgartiensis。描述了其生理学特性、生物化学途径,介绍了其2种应用途径:全自养亚硝酸型脱氮(CANON)和SHARON-ANAMMOX。

 
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