脱盐率

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 .

孔径越小、脱盐率越低的RO膜，经改性处理后，甲苯渗透速率越小。

After RO membrane being modified , the smaller the pore size of it and the lower the salt rejection , the smaller the permeation rate of toluene throuth the membrane will be .

而对于平板纳滤膜脱盐率为96.5%，水通量为24.2L/m~2·h。

But a plate NF membrane has a salt rejection above 96.5 % and a permeating flux of 24.2L / m ~ 2 h.

CA膜对染料的截留率大于99.9%，总脱盐率为51%。

The dye rejection of CA membrane was greater than 99.9 % and the total desalination of the process was about 51 % .

简要介绍了两级反渗透纯水系统的工艺流程，重点阐述了水中溶解CO2对两级反渗透脱盐率的影响及两级反渗透投加微量碱的脱盐效果。

The configuration of two steps RO purified water system was introduced . This paper focused on the effect of dissolved CO_2 on the rejections , and minim NaOH was added to increase salt rejection .

结果表明，在ED运行20～30min后，类甜菜碱水溶液的脱盐率高达99.4%。

The results showed that , after ED operating for 20 ~ 30 min , the salt rejection of betaine-like solution reached to 99.4 % ;

研究各种操作条件如温度、压力、回收率、进水浓度等对改性CA反渗透膜组件性能的影响，探讨了脱盐率及水通量随各种操作参数的变化规律.反渗透膜脱盐率>99%。

This paper researches the effects on the performance of modified CA RO membrance modules , discusses the regularity of the desalting ratio and flux along with series operating conditions . Reverse osmosis membrane desalting ratio is above 99 % with stably treated water quality .

本文研究表明，采用界面聚合法能够成功制备聚酰胺复合纳滤膜，在较低的操作压力（1.0MPa）下，能够具有较高的通量（51.37L/m2·h）和一定的脱盐率（25.66%）。

At a lower operating pressure ( 1.0MPa ), PA composite nanofiltration membrane can have a higher rate of flux ( 51.37L / m2 · h ) and some desalination ( 25.66 % ) .

0～30cm耕作层全盐量由试验前的1.518%下降到0.126%，脱盐率达91.7%，盐分表聚现象已不明显。

Total salt content decreased with plant growth . In 0 ~ 30cm soil layer the total salt content decreased from 1.518 % to 0.126 % , mean desalinization rate was 91.7 % .

DA201-C大孔吸附树脂对麦胚肽的脱盐率为92.13%，麦胚肽的回收率为78.55%；

Desalt ratio and recovery ratio of wheat germ peptide was reached 92.13 % and 78.55 % , respectively .

试验结果表明，在工作电压为55V、工作电流为1.86A时，脱盐率达到70%以上。

The experimental results show that when the operation voltage is 55 V and the electric current is 1.86 A , the desalting rate is over 70 % .

分析膜元件脱盐率指标的两种不同计算方法；

Two kinds of calculate method about membrane element desalination rate were analyzed .

优化操作提高电脱盐率

Increasing Electric Desalting Rate by Optimum Operating Conditions

反渗透膜脱盐率>99%。

Reverse osmosis membrane desalting ratio is above 99 % with stably treated water quality .

本设备特点为：其能耗低、产水量大、脱盐率高、稳定性强。

The device features low power consumption , big output , high desalination rate and high stability .

本文介绍了变脱盐率连续间歇纳滤恒容除盐过程。

Continuous batch diafiltration desalting process through nanofiltration with variable salt rejection was analyzed in this paper .

反渗透系统出水电导率可控制在50us/cm以内，脱盐率保持在92%以上；

Conductivity of water from RO was controlled under 50us / cm while desalting ratio is about 92 % ;

结果表明，土壤脱盐率与土质以及初始盐分组成有关。

The consequence indicates that : The soil desalting ratio relates to soil texture , original salinity and salt composition .

并明确给出产水量、脱盐率、膜压降三大膜元件指标的离散性对系统调试指标的影响。

The influence of system debug index from variance of flux , desalination rate and membrane press decline was definite .

控制电导率为950μS/cm时，电渗析的脱盐率为80%，淡水产率为80%。

The salt removal and fresh water production rate both reach 80 % when the conductance rate is 950 μ S / cm .

该系统已运行4年，反渗透系统的脱盐率仍保持在98%以上。

The retrofitted system has been put into operation for four years , the desalting rate of the reverse-osmosis system still remains 98 % and above .

依次用25%和75%乙醇进行阶段洗脱时，脱糖率为78.59%，脱盐率为93.79%；

When 25 % and 75 % alcohol was used to elute the medium , the desalting ratio of 93.79 % and 78.59 % glycogen was obtained .

反渗透组件的脱盐率每年约降低1%～2%，在设计中必须考虑；

It must be considered in the design that the demineralization efficiency of reverse-osmosis components will be decreased about 1 % ~ 2 % in every year ;

花生水解蛋白经大孔吸附树脂处理后，灰分由原来的14.97%降低到0.87%和0.92%，脱盐率分别达到94.19%和93.85%。

The content of ash was reduced from 14.97 % to 0.87 % and 0.92 % . The desalting ratio of peanut polypeptide reached 94.19 % and 93.85 % .

采用纳滤作为主体工艺生产直饮水，考察了两组标准脱盐率不同的纳滤膜对各种无机离子的去除效果。

Two sets of NF membranes with different desalination ratio were used as the main process to produce direct drinking water , and the removal effect of inorganic ions was investigated .

实验结果表明在温度一定的条件下，纳滤膜渗透通量、系统脱盐率、系统回收率、二价离子截留率均随操作压力的增大而增大，随进料浓度的增大而减小。

The result showed that under constant temperature permeate flux , rejection , recovery and divalent ion rejection all increased as the pressure raising but decreased as the feed concentration raising .

同时，基于水资源合理利用的土壤盐渍化防治可采取工程和生物相结合的措施，采用竖井以灌代排可使区域内平均脱盐率达42.8%；

Moreover , the soil salinization can be controlled by combining the engineering with biological measures , the desalinization rate can be up to 42.8 % by pumping groundwater to replace drainage ;

以多糖得率及含量为指标，采用正交试验对大枣渣多糖的酶提工艺进行优选，以脱盐率和脱色率为指标，对大枣渣多糖精制纯化工艺进行考察。

The enzyme method was optimized by orthogonal test with polysaccharides content and yield ratio as index . The purification process was examined with the rate of decolouration and desalination as index .

浸没式连续微滤具有过滤面积大且安装操作方便、出水水质稳定的特点；反渗透技术能够达到很高的脱盐率。

Continuous micro filtration-submersed ( CMF-S ) is characterized by large filtering areas , convenient installation and operation and stable effluent quality ; reverse osmosis ( RO ) can achieve high desalination rate .

反渗透脱盐率98%以上，产水电导率在20～60μS/cm，这可大大减少后续离子交换系统的负荷。

RO desalination rate was over 98 % . RO permeate conductivity was between 20 ~ 60 μ S / cm , which helped to reduce load of the following ionic exchange system greatly .