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进水水质
    The results show that the influent quality is not influenced by the UF effluent quality,and the optimal operational parameters are the flux of 60 L/(m2· h) and the recovery rate of 80%.
    结果表明,超滤单元的产水水质基本不受进水水质的影响,其优化的运行参数是:通量为60 L/(m2.h),回收率为80%。
    The impact loading were come into being due to change of influent quality in the 40st and the 49st days, volume loading rose to 3.68kgCOD/(m3·d), 4.46kgCOD/(m3·d), COD removal efficiency were 98.9%, 97.5%. The operation effect of membrane bioreactor were not influenced.
    运行过程中,由于进水水质的变化分别在第40、49运行日形成了两次冲击负荷,容积负荷分别提高到3.68kgCOD/(m~3·d)、4.46kgCOD/(m~3·d),但COD去除率仍高达98.9%、97.5%,冲击负荷均未对反应器的运行效果产生影响。
    Biological contact oxidation process is designed to treat aquatic products processing wastewater. The quantity of influent is 400 m3/d and the influent quality of COD_ Cr is 728~ 1 176 mg/L . The effluent COD_ Cr and removal rate of COD_ Cr are 92~140 mg/L and 85.2%~93.3% respectively since the system runs stably.
    采用生物接触氧化工艺处理水产品加工废水,设计能力400m3/d,废水进水水质CODCr为728~1176mg/L,运行稳定后,出水水质CODCr为92~140mg/L,CODCr去除率为85.2%~93.3%,出水水质稳定,达到(GB8978-1996)中的二级排放标准。
    The result shows that at FeCl_3 dosage of 2.5 mg/L (calculated as Fe~3+) and PAC consumption of 40 mg/L, the optimum treatment effect can be achieved, with turbidity < 0.1 NTU, SDI <1.5, and COD_Mn removal rate of 24% in treated water, and thus meeting the requirement for influent quality to the RO system.
    结果表明,当FeCl3投量为2.5mg/L(以Fe3+计)、PAC耗量为40mg/L时处理效果最好,出水浊度<0.1NTU,污泥淤塞指数SDI<1.5,CODMn平均去除率为24%,满足反渗透的进水水质要求。
    Influent Quality of Rapid Infiltration System Using Artificial Soil for Treating Municipal Wastewater
    城市污水人工土快滤处理系统的进水水质条件研究
    Influent quality estimation and effluent quality evaluation of municipal wastewater treatment plants
    城市污水处理厂设计进水水质确定和出水水质评价
    Flexible variation of influent quality has little effect on COD and BOD5. SS concentration of effluent showed that BBAF reactor has capacity to suit shock loadings. It was also found that a moderate change of hydraulic load affected COD and BOD5 removal efficiency slightly.
    BBAF处理城市污水的运行试验表明,BBAF反应器运行稳定,进水水质发生较大变化时,出水COD、BOD_5、SS仍然保持稳定,说明了BBAF反应器抗冲击负荷能力较强;
    According to the actual influent quality and six monthes operation, to ascertain the feasible function parameter of CAST: the circulate cycle of Single pool is 240 minutes, the influent and aerobic time is 30 minutes, aerobic time is 90 minutes, settle 60mins, effluent time is 40mins, the remain 15mins is idle and DO 0-3.5mg/L.
    根据设计工艺参数,针对目前的进水水质,经过近六个月的调试和试运行,确定CAST池较适宜的运行参数为:单池运行周期240分钟,其中进水/曝气30分钟、曝气90分钟、沉淀60分钟,滗水40分钟,闲置20分钟; 溶解氧控制为0-3.5mg/L。
    ②Considering that the actual influent quality of C plant is below the designed value, but the MLSS still maintains the designed one, as a result, the system parameters are not in the optimal condition, which can lead to higher energy consumption.
    ②由于C处理厂实际进水水质低于设计值较多,而污泥浓度仍维持设计值,这使得系统参数不在优化状态,就必然导致能耗较高。
    The influent quality of water reclamation plant is determined based on the practical operation in Xianyanglu Wastewater Treatment Plant;
    根据咸阳路污水处理厂的实际运行情况,确定了再生水厂的进水水质;
    This paper has illustrated how the influent quality, filtration rate and medium degradation influence the direct filtration performance.
    阐述不同的进水水质、滤料级配及滤速对直接过滤的影响。
    Based on the investigation of the suitability of land treatment of wastewater ,the land treatment expert system(LTES) of wastewater was established by using Turbo Prolog and C languages. Test results indicate that LTES can identify and predict such indexes of land treatment system as influent quality, site suitability, effluent objective etc. accurately and fast, which resolves the problems about site and type selections of wastewater land treatment technology.
    在进行污水土地处理适宜性调查和研究基础上,应用TurboProlog和C程序语言建立了污水土地处理专家系统(LTES).通过测试表明,该系统能对土地处理系统的进水水质、场地适宜性、出水目标等指标进行快速准确的判断和预测,解决了污水土地处理的选址、处理工艺类型选择等问题,是科学设置污水生态工程的重要工具.
    An optimal control model was set up based on artificial neural network. The model can be used to predict the effluent quality according to the variation of influent quality in wastewater treatment system. Input of the prediction result into nonlinear optimal controller may result in on-line adjustment of manipulated variable, so that the whole system may achieve a real time controlling effect.
    所建立的基于人工神经网络的最优控制模型能够根据废水处理系统中进水水质的变化对出水水质进行预测 ,将预测结果输入非线性优化器后能在线调整控制变量 ,从而使整个系统达到实时的最优控制效果。
    The results showed that the two stage SBR system was adaptable to the change of influent quality and operation conditions during the long term operation.
    试验发现在长期运行过程中 ,二级SBR系统对进水水质及操作条件具有良好的适应性 ;
    An influent quality experiment of artificial soil rapid infiltration s ystem has been conducted by using both soil column and pilot-scale plant filled with artificial soil.
    利用人工土柱和中试工程开展了人工土快滤处理系统的进水水质试验。
    Corresponding to the change of influent quality,the type of biochemical reaction is changed in rapid biological filter,which could be reflected from the change of its effluent pH value.
    随着进水水质的不同,生物快滤池中生化反应类型也随之变化,相应地滤池出水pH值也有不同的变化规律。
    Under the condition when influent quality and operation parameter were given, the model can predict effluent COD and VFA concentrations of EGSB reactor, internal pH value and change of alkalinity of the reactor, biogas yield and its composition. 
    在已知进水水质和有关运行参数的条件下,模型可以预测出EGSB反应器出水COD和VFA浓度、反应器内部pH值和碱度变化、沼气产量及气相组成。
    In this paper regeneration,operation and influent quality of condensate treatment mixed bed was compared with the make - up water treatment mixed bed in thermal power plant and thus proved that the main reason of the unqualified outlet quality from condensate mixed bed and the decrease of boiler wa-ter's pH value after operating is the high concentration of NH3 in condensate water.
    通过对火力发电厂凝结水处理混床与补给水处理混床的再生、运行及进水水质等条件的对比,论证了大型火力发电厂一些凝结水处理混床出水水质不合格、投运后导致炉水pH值下降等问题,主要是由于凝结水所含NH3浓度高等原因造成的。
    Under the influent quality conditions, the biological sand-filter was ripened in 60 days with the natural culture of bacteria.
    在试验进水水质条件下 ,通过自然培养 ,石英砂生物除锰滤池可在 6 0天内培养成熟 ;
    The poorer influent quality in disinfection contact tank results in the more advantages of the short-term free chlorine plus chloramines disinfection process in the control of disinfection byproducts.
    消毒接触池进水水质越差,短时游离氯后转氯胺的顺序消毒工艺在控制消毒副产物方面就越有优势。
 

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