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废水流速
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  wastewater flow rate
     The treatment conditions definedby experiments were as follows:pH 9-10, wastewater flow rate 42-45L/h,cell current2-3A, NaCl added l. 5-3.0g/L. Under similar circumstances,CN ̄-emoval efficiencywith fluidized electrode made of fine grain expanded graphite was better than that withtubular plate electrode.
     采用细粒膨胀石墨流态化阳极电解法处理含氰量为80-90mg/L从的废水,试验选择出的处理条件为:pH9-10、废水流速42-45L/h、槽电流2-3A,NaCl加入量1.5-3.0g/L.同样条件下,使用细粒膨胀石墨流态化电极的电解除氰效果较用筒形板状电极好。
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     Under the dynamic state conditions,the absorbing capacity of the resin was 2.5 mg/g resin while wastewater flow rate was 0.139~1.667 mL/s and the absorbility of the resin was 97%. The resin can be regenerated using H2SO4 after losing effectiveness. Under our experimental conditions,the absorption behavior was not changed after regenerated for 10 times.
     在动态实验条件下,当废水流速为0 139~1.667mL/s,氨氮吸附率大于97%时,树脂对氨氮的最大吸附量大于2 5mg/g树脂 失效的树脂用0 5mol/L稀硫酸再生后,可连续使用 在本文条件下,树脂连续再生10次,性能没有发生变化
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  “废水流速”译为未确定词的双语例句
     3. Column study of blast furnace slag shows that, with a column of +80~-10 mesh size, 1 inch diameter and 0.5m high to treat with 5mg/l P aqueous solution, after 10h P begin to leak out and the effluent is within national P regulations in 19h.
     3.高炉渣动态吸附除磷试验表明:以粒径为+80~-10目高炉渣为填料,高0.5m,直径1英寸吸附柱用于处理5mg/l的含磷废水,流速为10ml/min的条件下,10h磷开始泄漏,19h内可使出水的含磷浓度在国家一级排放标准范围内。
短句来源
     The results showed that under 2.0~2.5 pH value, 8~10 mL/min flow rate of the wastewater, the removal rate of phenols, SS, COD and color is 98.7%, 97.3%, 94.4% and 96.9% respectively at room temperature. The operation cost is low.
     结果表明,在室温、pH值为2.0~2.5及废水流速在8mL/min~10mL/min的条件下,酚、SS、COD和色度的去除率分别达到98.7%、97.3%、94.4%和96.9%,而且处理费用低。
短句来源
     The results show that when the wastewater with toxic phenols from a coking plant is absorbed twice by organobentonite and activated carbon at room temperature,with 4.0 pH value and waste water flow velocity under 10 mL/min~12 mL/min,the removing rate of phenols,COD,oil,SS and color is 99.7%,99.5%,100%,100% and 99.8%,respectively,and the treated water sample can reach national discharge standard.
     结果表明,在室温、pH值为4.0及废水流速10mL/min ̄12mL/min的条件下,焦化含酚废水经有机膨润土和活性炭两次吸附处理后,酚、COD、油、SS及色度的去除率分别可达到99.7%、99.5%、100%、100%、99.8%,且处理后的水质基本达到了国家排放标准。
短句来源
     The results showed that the effluent CODcr aimed at influent CODcr=823 mg/L,pH=7.23 was reduced to 56.8 mg/L,CODcr removal rate reached 93.1%,when the velocities of wastewater flow and air flow were 200 L/h,70 L/h,respectively,and when photo-decomposed time was 90 min.
     研究表明:CODcr、pH分别为823mg/L、7.23的废水,经光催化氧化处理,当废水流速200L/h、空气流速70L/h、光解时间90min时,CODcr去除率达93.1%、CODcr降至56.8mg/L。
短句来源
     The mass transfer coefficient is directly proportional to the cube root of feed velocity.
     传质系数与废水流速的立方根成正比;
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  相似匹配句对
     Technology of Disposal of Waste-Water
     废水处理技术
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     NITRIFICATION OF WASTEWATER
     废水的硝化作用
短句来源
     The mass transfer coefficient is directly proportional to the cube root of feed velocity.
     传质系数与废水流速的立方根成正比;
短句来源
     Discussion of Concerned Issues of Determination Wastewater Flux by Velocity Instrument Method
     流速仪法测定废水流量有关问题的探讨
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     2) Velocity profile method;
     2) 流速剖面法;
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  wastewater flow rate
For the aforementioned diesel fuel concentrations and a wastewater flow rate of 1,200?L/day, the COD removal ranges between 61.9 and 84.1%.
      
Of these 17 variables open to selection, only 6 variables, wastewater flow rate (Q), CN-, SS, MLSS, pH and COD are selected by the model to achieve the maximum accuracy of prediction, 0.94, with a total cost of 5,950 NT$.
      
Effects of major processvariables such as feed wastewater flow rate, COD concentration and loading rate, liquid phase aeration on the rate and extent ofCOD removal were investigated.
      
At a low wastewater flow rate of 30 mL/min, the corresponding optimum air flow rate was 150 mL/min, with an overall removal of 96%.
      
At a low wastewater flow rate of 30 mL/min, the corresponding optimum air flow rate was 150 mL/min, with an overall removal of 97%.
      
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The wastewater containing CN ̄- of 80-90mg/L was treated by electrolvsis withfluidized anode made of fine grain expanded graphite. The treatment conditions definedby experiments were as follows:pH 9-10, wastewater flow rate 42-45L/h,cell current2-3A, NaCl added l.5-3.0g/L. Under similar circumstances,CN ̄-emoval efficiencywith fluidized electrode made of fine grain expanded graphite was better than that withtubular plate electrode.

采用细粒膨胀石墨流态化阳极电解法处理含氰量为80-90mg/L从的废水,试验选择出的处理条件为:pH9-10、废水流速42-45L/h、槽电流2-3A,NaCl加入量1.5-3.0g/L.同样条件下,使用细粒膨胀石墨流态化电极的电解除氰效果较用筒形板状电极好。

This paper reports the treatment results of mixed pharmaceutical factory sewage water. In the test tubes there are active carbon grains and iron chippings layers. The sewge flow velocity was controled. By this means,under ordinary temperature and presure, fixed tube ratio, with filtering plate filled with active carbon iron chippingand adjusting the flaw velocity of wast water in the presence of a catalyst, the pH valuescolour,turbidity,CODcr of three kinds of sewage(mixed sewage...

This paper reports the treatment results of mixed pharmaceutical factory sewage water. In the test tubes there are active carbon grains and iron chippings layers. The sewge flow velocity was controled. By this means,under ordinary temperature and presure, fixed tube ratio, with filtering plate filled with active carbon iron chippingand adjusting the flaw velocity of wast water in the presence of a catalyst, the pH valuescolour,turbidity,CODcr of three kinds of sewage(mixed sewage and sewage from crystalization and tetracycline concentration shops) of a tetracyline factory are treated and measured. Chemical bihavior of the change of some factors has been dealt with.Besides,the preliminary efficient comparison between this method and that of water resolution shows that the former is advantageous for its less expense,higher efficiency and practicality for antibiotics factory sewage treatment.

本文以常温常压下,固定管长比,管内装活性炭——铁屑为滤层、控制废水流速及加入催化剂为实验处理条件,测定了四环素制药厂综合废水(总排放口取)、结晶提炼车间废水和四环素提浓车间母液三种废水在处理前后的pH、色度、浊度、CODcr值及四环素和部分有机杂质浓度的变化,通过与水解-生物氧化-絮凝法治理工艺作经济效益的初步对比,得出此法是一种投资较少、效益较高的切实可行的抗生素制药厂废水治理新方法。

The basic theory of Gas Filled Membrane Absorption Technology(GFMAT) is introduced briefly in this paper.The influence of operation parameters,such as pH concentration,velocity and temperature on the mass transfer coefficient is discussed in detail for the recovery of azide from wastewater of primary explosive.It is shown in research:With the increasing of acidity of feed solution,the mass transfer coefficient increases correspondingly among experimental range.With the increasing of concentration of feed solution,the...

The basic theory of Gas Filled Membrane Absorption Technology(GFMAT) is introduced briefly in this paper.The influence of operation parameters,such as pH concentration,velocity and temperature on the mass transfer coefficient is discussed in detail for the recovery of azide from wastewater of primary explosive.It is shown in research:With the increasing of acidity of feed solution,the mass transfer coefficient increases correspondingly among experimental range.With the increasing of concentration of feed solution,the mass transfer coefficient is slightly decreased.The mass transfer coefficient is directly proportional to the cube root of feed velocity.The logarithm of the mass transfer coefficient varies linearly with the reciprocal of absolute temperature of feed solution.Azide recovery can be effectively made by rational operetion parameters.The new technology has many advantages,such as high recovery efficiency,low energy consumption,no secondary pollution and convenient operation.GFMAT opens up a good prospect for the recovery of azide from wastewater.

介绍了新型充气膜吸收技术的基本原理,讨论了应用该技术回收起爆药废水中叠氮化物过程的操作参数(酸度、浓度、流速和温度)对传质系数的影响。结果表明:随着废水酸度的增加,传质系数也相应增大;随着废水中叠氮化物浓度的增大,传质系数略有减小;传质系数与废水流速的立方根成正比;传质系数的对数与废水绝对温度的倒数呈线性关系。通过选择合理的操作系数,可有效地从起爆药废水中回收叠氮化物。该技术具有回收效率高、能耗低、无二次污染和便于操作等优点,在从废水中回收叠氮化物上具有良好的应用前景。

 
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