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influent ph value
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  进水ph值
     Under the condition that the influent pH value ranged 7.2-7.8 and the temperature was 30 ± 1 ℃,the ANAMMOX sludge was successfully cultivated after 142 d.
     在进水pH值为7.2~7.8,温度为30±1℃的条件下运行142d,成功培养出厌氧氨氧化污泥。
短句来源
     The results of experiment indicated that the suitable range of influent pH value is from 7.6 to 8.8,and the COD removal rate is between 29 percent and 40 percent,and the BOD_5COD_(Cr) value of outflow is raised to 0.45 from 0.35 of inflow.
     试验结果表明,进水pH值适宜范围为7.6~8.8,COD去除率在29%~40%之间,出水BOD5/CODCr由进水的0.35左右提高到0.45左右,为印染废水的达标排放处理的水解pH条件提供参考。
短句来源
     Through the study on the influence of reaction time,influent pH value,re action temperature as well as the oxygen partial pressure to the pretreatment of production wastewa ter containing methyl chloride by we t oxi-dation process,the most suitable op eration conditions for the pretreatment are obtained:reaction time 60min. ,no pH value regulation to wastewater,reaction temperature 180℃,oxygen partial pressure 1.5MPa.
     通过研究反应时间、进水pH值、反应温度以及氧分压对湿式氧化法预处理甲基氯化物生产废水的影响,得出预处理的最适宜操作条件为:反应时间60min、不调节废水的pH值、反应温度180℃、氧分压1.5MPa。
短句来源
     the effluent pH value with paper and cotton was 0.5~0.6 lower than the influent pH value; that with rice straw came to the second,being 0.3~0.2 lower than the influent pH; that with wood flour was about 0.1 only lower than the influent pH.
     四个反应器出水的pH值变化不大,纸张和棉花的出水pH值比进水pH值低0.5~0.6个单位,稻草次之,低0.2~0.3个单位,木屑只低0.1个各单位左右。
短句来源
     Sludge active suppressed and scumming were caused by low pH valus. Sludge scumming was observed when influent pH value was below 5.5,and the lower the influent pH value was,more the scumming sludge was.
     pH值对污泥沉降性能的影响主要表现为活性抑制和污泥上浮 ,进水pH值低于 5 .5时 ,开始出现污泥上浮 ,进水 pH值越低 ,上浮污泥量越多
短句来源
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  进水ph
     Under the condition that the influent pH value ranged 7.2-7.8 and the temperature was 30 ± 1 ℃,the ANAMMOX sludge was successfully cultivated after 142 d.
     在进水pH值为7.2~7.8,温度为30±1℃的条件下运行142d,成功培养出厌氧氨氧化污泥。
短句来源
     The results of experiment indicated that the suitable range of influent pH value is from 7.6 to 8.8,and the COD removal rate is between 29 percent and 40 percent,and the BOD_5COD_(Cr) value of outflow is raised to 0.45 from 0.35 of inflow.
     试验结果表明,进水pH值适宜范围为7.6~8.8,COD去除率在29%~40%之间,出水BOD5/CODCr由进水的0.35左右提高到0.45左右,为印染废水的达标排放处理的水解pH条件提供参考。
短句来源
     Through the study on the influence of reaction time,influent pH value,re action temperature as well as the oxygen partial pressure to the pretreatment of production wastewa ter containing methyl chloride by we t oxi-dation process,the most suitable op eration conditions for the pretreatment are obtained:reaction time 60min. ,no pH value regulation to wastewater,reaction temperature 180℃,oxygen partial pressure 1.5MPa.
     通过研究反应时间、进水pH值、反应温度以及氧分压对湿式氧化法预处理甲基氯化物生产废水的影响,得出预处理的最适宜操作条件为:反应时间60min、不调节废水的pH值、反应温度180℃、氧分压1.5MPa。
短句来源
     the effluent pH value with paper and cotton was 0.5~0.6 lower than the influent pH value; that with rice straw came to the second,being 0.3~0.2 lower than the influent pH; that with wood flour was about 0.1 only lower than the influent pH.
     四个反应器出水的pH值变化不大,纸张和棉花的出水pH值比进水pH值低0.5~0.6个单位,稻草次之,低0.2~0.3个单位,木屑只低0.1个各单位左右。
短句来源
     The experiment of adsorption electrolysis method treating dyeing and printingtreated wastewater was studied. The suitable technology parameters were gained:current intensity: 300rnA, wastewater intention time: 10mm,, influent pH value: 6.5-7.0,activated carbon fiber using volume: 1.2g.
     本文还对广州某染织厂印染废水二级出水进行吸附电解深度处理试验,得出该工艺的合适工艺参数:电流强度:300mA,废水停留时间:10min,进水pH:6.5-7.0,活性炭纤维用量:1.2g。
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  “influent ph value”译为未确定词的双语例句
     Removal rates for COD and nitrobenzene reach 47% and 92% respectively under the conditions of the influent pH value of 2-3,H_2O_2 dosage of 500-600 mg/L and the pretreated effluent pH value adjusted to 7-8.Continuous mixing of wastewater was treated by SBR process and the final effluent quality can meet the national wastewater discharge standard.
     当原水的pH值为2~3、H2O2投加量为500~600 mg/L时,调节预处理出水pH值至7~8并经沉淀处理后,对COD和硝基苯类物质的总去除率分别可达47%和92%。 后续混合废水经SBR工艺处理后出水水质能满足国家污水排放标准。
短句来源
     The results indicated that the treatment efficiency was rather high with the influent pH value adjusted at 6.0 and the temperature controlled at 20℃.
     试验结果表明,将原水pH值调节为6,温度控制在20℃左右,可取得较高的处理效率.
短句来源
     Under the condition of different influent pH value and temperature, DO and ORP went up quickly by a big margin as the organic substance reached to nondegradation degree. This change characteristics of DO and ORP could indicate indirectly the degree of organic substance degradation.
     原水在不同pH值与温度条件下,当有机物达到难降解程度时,DO和ORP均会迅速大幅度升高,DO和ORP的这一变化特点可以间接指示有机物降解的程度.
短句来源
     It was concluded that the acidolysis kinetics constants are V_(max)=8.45d~(-1) and K_s=1089mg/L,under the circumstances of a temperature 37℃±0.5℃and the influent pH value 6.5.The results show that the rate of anaerobic acidification process is greater than that of completed an- aerobic or anoxic process.
     重点对此条件下水解酸化过程中产酸速率的动力学进行了推导,通过计算,得出此条件下的动力学常数为V_(max)=8.45~(-1),K_s=1,089mg/L。 说明了酸化过程较好氧过程和完全厌氧过程快的理论依据。
短句来源
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The relationships between organic loading,dissolved oxygen,nutriment (nitrogen and phosphorus),and pH value and the settling property of activated sludge in sequencing batch reactor(SBR) process using petrochemical and beer industrial wastewater respectively were studed.The results showed that low organic loading could cause filamentous bulking even in SBR process.On the contrary,the sludge bulking could be controlled at high organic loading.The filamentous bulking occurred at low dissolved oxygen...

The relationships between organic loading,dissolved oxygen,nutriment (nitrogen and phosphorus),and pH value and the settling property of activated sludge in sequencing batch reactor(SBR) process using petrochemical and beer industrial wastewater respectively were studed.The results showed that low organic loading could cause filamentous bulking even in SBR process.On the contrary,the sludge bulking could be controlled at high organic loading.The filamentous bulking occurred at low dissolved oxygen concentration.Non filamentous bulking caused by an excessive growth of viscous Zoogloea with high moisture content was observed under the condition that one kind of nutriment(nitrogen or phosphorus)was safficient enough and other kind of nutriment was deficient.Filamentous bulking occurred while nitrogen or phosphrus were insufficient synchronously.Sludge active suppressed and scumming were caused by low pH valus.Sludge scumming was observed when influent pH value was below 5.5,and the lower the influent pH value was,more the scumming sludge was.

分别用石化和啤酒两种工业废水作为序批式活性污泥法 (SBR)的底物 ,来研究有机负荷 (F/M )、溶解氧 (DO)、营养物质 (N、P)和 pH值与活性污泥沉降性能的关系 .试验结果表明 ,即使在公认的不易引起污泥膨胀的SBR法中 ,低F/M条件下也能引起丝状菌膨胀 .在低DO(低于 0 .5mg/L)浓度下 ,发生丝状污泥菌膨胀 .进水中只缺乏一种营养物而另一种营养物充足的条件下 ,发生由高含水率的粘性菌胶团引起的非丝状菌膨胀 ;而两种营养物 (N和P)同步缺乏的条件下则发生非丝状菌膨胀 .pH值对污泥沉降性能的影响主要表现为活性抑制和污泥上浮 ,进水pH值低于 5 .5时 ,开始出现污泥上浮 ,进水 pH值越低 ,上浮污泥量越多

Through the study on the influence of reaction time,influent pH value,re action temperature as well as the oxygen partial pressure to the pretreatment of production wastewa ter containing methyl chloride by we t oxi-dation process,the most suitable op eration conditions for the pretreatment are obtained:reaction time 60min.,no pH value regulation to wastewater,reaction temperature 180℃,oxygen partial pressure 1.5MPa.Under these cir-cumstances,the removal efficiency of COD Cr ,organic...

Through the study on the influence of reaction time,influent pH value,re action temperature as well as the oxygen partial pressure to the pretreatment of production wastewa ter containing methyl chloride by we t oxi-dation process,the most suitable op eration conditions for the pretreatment are obtained:reaction time 60min.,no pH value regulation to wastewater,reaction temperature 180℃,oxygen partial pressure 1.5MPa.Under these cir-cumstances,the removal efficiency of COD Cr ,organic phosphor and organic sulfu r are 68.5%,65%and 88%respec-tively,and the BOD 5 /COD Cr in the effluent raised from0.107to 0.36.

通过研究反应时间、进水pH值、反应温度以及氧分压对湿式氧化法预处理甲基氯化物生产废水的影响,得出预处理的最适宜操作条件为:反应时间60min、不调节废水的pH值、反应温度180℃、氧分压1.5MPa。在此条件下CODCr、有机磷、有机硫的去除率分别达68.5%、65%、88%,出水的BOD5/CODCr由0.107上升至0.36。

A certain chemical industrial wastewater was treated with SBR process, so as to study the effects of pH value and temperature of the influent on organic substance degradation and the feasibility of DO and ORP as the controlling parameters of the reaction time. The results indicated that the treatment efficiency was rather high with the influent pH value adjusted at 6.0 and the temperature controlled at 20℃. Under the condition of different influent pH value and temperature, DO and...

A certain chemical industrial wastewater was treated with SBR process, so as to study the effects of pH value and temperature of the influent on organic substance degradation and the feasibility of DO and ORP as the controlling parameters of the reaction time. The results indicated that the treatment efficiency was rather high with the influent pH value adjusted at 6.0 and the temperature controlled at 20℃. Under the condition of different influent pH value and temperature, DO and ORP went up quickly by a big margin as the organic substance reached to nondegradation degree. This change characteristics of DO and ORP could indicate indirectly the degree of organic substance degradation. Consequently, it was feasible to use DO and ORP as the controlling parameters of SBR reaction time, which was significant to realize SBR process on-line control, assure the effluent quality and save on the energy consumption.

采用SBR工艺处理某化工厂废水,研究原水pH值与温度对有机物降解过程的影响以及DO、ORP作为反应时间控制参数的可行性.试验结果表明,将原水pH值调节为6,温度控制在20℃左右,可取得较高的处理效率.原水在不同pH值与温度条件下,当有机物达到难降解程度时,DO和ORP均会迅速大幅度升高,DO和ORP的这一变化特点可以间接指示有机物降解的程度.因此,以DO、ORP作为SBR反应时间的控制参数是切实可行的,这对于实现SBR工艺的在线控制、保证出水水质和节约能耗具有重要意义.

 
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