水力停留时间应大于10天，以15天为宜。
HRT should be longer than 10days and 15 days is recommended;
考察了不同曝气量和水力停留时间下污染物的去除效果。
The pollutant removal performance was investigated at different aeration fluxes and HRTs.
控制氮磷浓度和水力停留时间是预防水华发生的有效措施。
It could be available to control the concentration of nitrogen and phosphorus and the hydraulic retention time for algae bloom preventing.
影响水质的内部因素主要有蓄水装置材质、水力停留时间和水的流动特性。
The main internal factors effecting water quality in water storing unit are material, water retention period and flowing character of the water in the unit.
污泥浓度随污泥龄的增加、水力停留时间的缩短、容积负荷的增大而增加；
Mixed liquor suspended solids increased with the increase of sludge retention times and volumetric loading rates.
水力停留时间(HRT)、操作温度和曝气比率对WSBR的脱氮效果影响明显。
HRT, temperature and aerobic time ratio have an obvious effect on the treatment by WSBR.
本研究通过水力停留时间、泥龄和周期运行跟踪研究确定系统处理效果和稳定性。
This study is to ascertain treating efficiency and stability of this system by TURT, SRT and cyclic operation control.
湿地水力效率就是基于水力停留时间分布来进行湿地污水净化功能评价的重要指标。
Hydraulic efficiency of wetlands is an indicator of efficiency of waste-water treatment based on the detention time distribution.
考察了水力停留时间对反应器的影响以及间歇运行方式和污泥浓度对膜污染的影响；
There is a high sludge concentration in the bioreactor, with strong nitrification ability and high pollutant removal rate.
在进水COD相同条件下，溶解性微生物产物的量随着水力停留时间延长呈下降趋势。
The amount of SMP manifested the trend of reduction with the prolongation of HRT at the same concentration of influent COD, and increased with the concentration of influent COD at the same HRT.
根际细菌和硝化细菌数量随着水力停留时间增加而增加，而根际反硝化细菌数量则减少。
The number of heterotrophic bacteria and nitrifying bacteria increased with the time of the hydraulic retention time, contrary to the nitrobacter.
试验研究了人工湿地中水力停留时间、植物、填料和水力流态对净化效率和氧状态的影响。
The effect of hydraulic retention time (HRT), plant, packing and hydraulic flow state on purification efficacy and oxygen state was studied in artificial wetland.
采用电化学法处理含氮废水，探讨了水力停留时间、板间电压和极板间距对电解效果的影响。
The influence of the hydraulic retention time, the voltage between the electrodes and the plate distance to the effect was discussed.
结果表明，选择适合的水力停留时间，白腐菌可以形成生物膜，生物膜的活性高，稳定性好。
The results showed that at optimal hydraulic retention time, the fungus could form steady biofilm with high activity and stability on the carrier surface.
植物间接净化作用及其与湿地水力停留时间的关系，是影响湿地植物选种和种植的重要依据；
The relationship between the indirect removal potential of the plants and hydraulic retention time is an essential basis that affect the plant selection and its growth in wetlands;
主要考察了水力停留时间、温度、COD容积负荷等因素对处理效果的影响，并推荐了运行参数。
Hydraulic remaining time temperature and COD organic loading rate which affect efficiency of the process, were investigated, and parameters are propose4 here.
目前，提高生化除氰效率的主要途径是尽量延长水力停留时间和采用固液传质效率更高的反应器。
Now common ways to enhance total cyanide removal ability of biological treatment systems are increasing the HRT and improving the solid-liquid mass transfer efficiency of reactors.
水力停留时间对一体式厌氧平板膜生物反应器处理效果有重要影响，水力停留时间应大于70h。
HRT had an important effect on COD removal, in any case the proper HRT of the MCAB has to be greater than 70 h.
相对于传统普通活性污泥法，膜生物反应器由于膜的截留作用，实现污泥龄和水力停留时间的彻底分离。
Relative to the traditional ordinary activated sludge method, the membrane bioreactor carry out separation of mud age and water stop time thoroughly by membrane interceptive role.
实验考察了污泥浓度、气液比及水力停留时间对生物降解废水中COD和氨氮(NH3 - N)的影响。
The effects of mud concentration, gas to liquid ratio and the hydraulic resident time on the removal rates of COD and NH3-N were investigated.
在相同水流量条件下，水由下向上流时水中臭氧浓度，高于由上向下流时相同水力停留时间时的臭氧浓度。
At the same flow rate the concentrations of ozone in upflow are higher than that in downflow at the same HRT.
综合论述了膜生物反应器的设计方法，包括确定最佳水力停留时间、污泥停留时间、污泥浓度，经济性分析。
This paper reviews the design method of membrane bioreactor, including determining hydraulic retention time and sludge retention time, choosing sludge concentration and analyzing the process economy.
对升流式厌氧-好氧曝气一体化滤池处理生活污水进行了试验研究，探讨了生物膜的形成及供气量、水力停留时间对处理效果的影响。
An experimental study of domestic sewage treatment by an integrated biological filter with up-flow anaerobic-anoxic aerated is presented in this paper.
通过脉冲响应实验对该反应器的水力特性进行研究，得出不同水力停留时间(hrt)下的停留时间分布(rtd)曲线和水力特性参数。
The residence time distribution (RTD) curves and hydrodynamic characteristics parameters of the reactor in different HRT were also studied through the experiment of impulse response.
通过脉冲响应实验对该反应器的水力特性进行研究，得出不同水力停留时间(hrt)下的停留时间分布(rtd)曲线和水力特性参数。
The residence time distribution (RTD) curves and hydrodynamic characteristics parameters of the reactor in different HRT were also studied through the experiment of impulse response.
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