膜通量

结果表明，随压力增大、温度升高和料液流量增大，膜通量也随之增大；

The results indicated that the permeation flux increased along with the rising of operation pressure , temperature and flowrate of feedstock .

在此合理的操作条件下研究了膜通量、含油量、COD随时间的变化情况。

Under such optimum operating conditions , the changing situation of membrane flux , oil content and COD with time is studied .

膜通量随pH值增大而减小，PP-g-AAc膜是一种pH敏感的具有开关作用的智能膜。

And the pure water permeability decrease with increasing of pH. The PP-g-AAc is a " switch-intelligence " membrane .

在合适的操作条件下，浓缩倍数可达71，膜通量保持在0.6～1L/（min·m~2）。

At proper operation condition , a final concentration factor of 71 could be achieved when maintain a permeate flux of 0.6 ~ 1L ( min m2 ) .

磁场对静态纳滤过程的膜通量及CaCO3结晶的影响

Influence of Magnetic Field on Membrane Flux and CaCO_3 Crystallization in the Unstirred Dead-end NF Process

系统污染后的化学清洗只需2h，膜通量恢复90%以上。

The membrane permeate flux of the fouled system was restored to more than 90 % by chemical cleaning in 2h .

综合比较，织布支撑的PVDF/0.7%纳米TiO2共混膜通量大、截留效果好，抗污染能力强，有一定的实用价值。

Through aggregate analysis , the PVDF / 0.7 % NANO TiO2 blending membrane had certain practical value because its great flux , well retention rate and strong anti-fouling capability .

提高压力和温度，有利于提高膜通量，但对总镍、COD截留率及脱盐率的影响相对较小。

Increased pressure and temperature were helpful for improving the membrane flux , but the effect of the total of nickel , COD rejection rates and salt rejection were relatively little .

在稳定运行期间，系统可以在相对较大的膜通量和低TMP下保持高效运行。

In the period of stable operation , the system can run with steadily efficient removal under the conditions of relatively larger flux and low TMP .

膜通量随HRT的延长而提高。（4）A/O型序批式MBR处理印染废水的可行性分析。

Membrane flux increases with the extension of HRT . ( 4 ) The feasibility of A / O-type sequencing batch MBR treating textile wastewater is finally probed .

当膜通量大于临界通量区通量时，膜操作压力（TMP）从开始运行即迅速上涨直至试验结束。

When the permeate flux was above the critical flux zone , in the last condition , the TMP grew very quickly with time right from the beginning to end .

晶体的晶形主要受溶液pH值的影响，离子强度则主要影响溶剂跨膜通量。

Crystal form and habit were mainly influenced by the pH of the crystallization solutions , while the ion strength has an important influence on the transmembrane flux , and the effect of the ion strength on crystals form and habit was very little .

在反冲强度为0.75m~3/m~2·h的条件下进行空气反冲洗，不加煤粉时，空气反冲洗后膜通量呈直线下降。

When the intensity of air backwash was 0.75m ~ 3 / m ~ 2 · h , membrane flux declined linear after air backwash if without coal fines , and membrane flux declined linear in two phase after air backwash if with coal fines .

采用无机陶瓷纳滤膜对淋浴污水进行分离特性试验，重点探讨了膜通量随时间的衰减情况以及操作压差、污水温度和pH值等操作参数对淋浴污水处理效果和膜通量的影响；

A test for separation characteristics of bathing wastewater by ceramic nanofiltration was carried out ; the effects of operating time , and parameters such as pressure , temperature and pH value on the quality of the permeate and the flux of the membrane were discussed .

研究结果表明：加压MBR膜通量衰减迅速，运行17d后膜通量衰减83.5%；

The results showed that the membrane flux declined quickly , and the flux reduced by 83.5 % after operating for 17d 17 th / d ;

聚醚砜（PES）超滤膜使用后用稀释的NaOH溶液浸泡清洗处理50min后，膜通量可以恢复98.12%。

Finally , after the ultrafiltration membrane was washed by NaOH solution ( pH 11 ) for 50 min , its membrane flux could be recovered 98.12 % .

在料液温度45℃，载液温度20℃，两侧流速为11.5mL/min的条件下，膜通量约为0.45×10~（-3）kg/（m~2·h）。

Optimum working condition is determined . When material fluid temperature is 45 ℃, carrier fluid temperature is 20 ℃ , and flow velocity on two sides of the component is 11.5 mL / min , the film flux is about 0.45 × 10-3 kg / m2 · h.

进一步研究表明，混合液中高浓度的溶解性胞外聚合物是MBR处理垃圾渗滤液时膜通量较低的主要原因。

A very high concentration of soluble extracellular polymeric substances ( soluble EPS ) existed in landfill leachate compared with domestic sewage , which was the main cause leading to a lower permeate flux when treating landfill leachate .

在室温，0.1MPa条件下，PVDF/0.7%纳米TiO2共混膜通量最大，而且膜截留有机物作用最强。

When at room temperature and 0.1 MPa press the PVDF / 0.7 % NANO TiO2 blending membrane had the best water flux and was the most effective one to intercept organic .

结果表明，选用含酶的复合清洗剂S-001，膜通量恢复率达到97.8%。

Results showed the recovering ratio of flux was97.8 % when cleaning agent S-001 was chosen .

实验表明GBE溶液的膜通量有显著的提高，透过液中黄酮的质量分数能够从初始的21.3%增加到34.8%。随着PH值的增加，透过液中黄酮的质量分数降低。

Experiments showed that the flux of GBE solution was greatly improved and the flavonoids content in the final product could be purified to 34.8 % from 21.3 % in the GBE crude product , and the mass transfer of flavonoids decreased with increasing pH value of GBE solution .

分别用超滤水反冲洗、稀碱、稀酸、杀菌剂（如NaClO溶液）和清水冲洗被污染的超滤膜，可使膜通量恢复到新膜的98%以上；

The membrane flux can be recovered over 98 % after the fouled ultrafiltration membrane is treated by back flushing with treated water and flushing with dilute base , dilute acid , germicides ( such as NaClO ) and treated water .

也研究了压力对膜通量的影呼〕：透膜压力在约40～200KPa的范围内，膜通量随着压力的增大而呈线性增加的趋势。

Finally , influence of trans-membrane pressure on membrane flux was studied : between 40 ~ 200KPa , the flux had an increasing trend lineally with increased pressure .

同时，投加PAC有效延缓了MBR膜通量的衰减，使总的膜阻力由2.47×1012m-1下降至1.92×1012m-1，有效减轻了膜污染。

At the same time , PAC addition helped to slow the reduction of membrane flux . It reduce the total membrane resistance of MBR from 2.47 × 1012m-1 to 1.92 × 1012m-1 , and accordingly relieve the membrane fouling effectively .

运用RIS阻力模型对在线海绵擦洗的效果进行了初步研究，认为在线海绵擦洗对恢复膜通量和防止各种阻力因素的累积具有积极的实践意义。

A resistance in series ( RIS ) model was employed to preliminarily study the result of the on line sponge cleaning . It is believed that on line sponge cleaning is of active and practical significance in restoring the membrane permeability and preventing the accumulation of various resistance factors .

分子量分布对膜通量影响较大。

The molecular weight distribution had great influence on membrane permeation .

膜通量随固定化率的增大而增大。

Pure water flux increased with the increase of immobilization degree .

原液浓度影响膜通量是间接的；

The influence of feed concentration on membrane flux is indirectly .

随着温度的升高，膜通量增加。

With the temperature increasing , the ultrafiltration membrane flux increased .

进水浓度的增加会使膜通量减少。

When the concentration of feed increased , the flux decreased .