除盐

反渗透除盐设备的运行管理

Anti-percolation Equipment for Salt Removal Operation and Management

从原水预处理、反渗透装置运行参数管理、膜低压冲洗、化学清洗及设备停动保护等方面，论述了反渗透除盐设备的运行管理。

This paper expounds operation and management of anti-percolation equipment for salt removal from aspects of water pretreatment , operating parameter control of anti-percolation equipment , flushing of film , chemical flushing and protection of stopping operation equipment and so on .

活性炭纤维电极用于NaCl溶液电容性除盐

Application of Activited Carbon Fibers Electrodes to Capacitive Deionization of NaCl Solutions

分析了ADC生产中除盐工段的作用。

The effects of salt removing in ADC production were analysed .

简要介绍EDI电除盐处理工艺流程及其设计、调试要点。

The design and debugging essentials of treatment technology process and EDI demineralizer have been briefly presented .

EDI与离子交换除盐技术的应用探讨

Discussion on the Application of the Desalination Technologies Based on EDI ( Electrodialysis ) and Ion Exchange

样品浓缩除盐后，进行一维等电聚焦分离和二维SDS电泳分离提取人肾组织磷酸化蛋白。

After being concentrated and desalted , the samples were separated by isoelectric focusing on first dimension and SDS electrophoresis on second dimension .

使用超滤管进行浓缩除盐，最后使用Bio-Radproteinassayreagent进行蛋白定量，低温保存备用。

Utilize 5K hyperfiltration tube to condense and demineralization . Finally , quantitate the proteins with Bio-Rad protein assay reagent , Cryopreservation standby . 2 .

采用活性炭纤维作电容去离子的电极，用于NaCl溶液的除盐实验，研究了电容去离子电极的性质。

Activated carbon fibers ( ACF ) were used to the electrodes of capacitive deionization ( CDI ) apparatus , adsorption of NaCl solution and character of CDI were studied .

EDI（即电去离子技术）是结合离子交换膜和离子交换树脂，在直流电场的作用下同时实现连续除盐以及树脂连续再生的新型分离技术。

EDI ( electrodeionization ) is a new separation technology which combines ion-exchange membrane and ion-exchange resin , and it can achieve continuous demineralization and resin regeneration .

反渗透（RO）除盐技术与离子交换法相比有许多优点，在适用范围内选择反渗透装置能带来一定的经济效益。

Compared with the on-exchange method , desalting technology of reverse osmosis method has many advantages . Reverse osmosis devices will bring about economic benefit in some areas .

紫外分光光度仪检测DNA浓度，选用OD260/OD280值大于1.75的样品。采取强碱变性、亚硫酸氢钠/对苯二酚法处理DNA后，用层析柱过柱除盐。

DNA concentration and purity were tested by Ultraviolet spectrum , the sampled OD 260 / OD280 value was larger than 1 . 75 . DNA was denatured by strong base and then treated with Sodium Bisulfate / benzenediol , and salt were eliminated through chromatogra-phy column .

全膜法的关键是EDI技术，即用EDI代替混床深度除盐，在制取高纯水的同时彻底避免排放酸碱废水。

The key of integrated membrane system is EDI technique , namely , to replace mixed bed deep desalting with EDI , and to avoid the discharging of acid-base wastewater thoroughly during the preparation of high-purity water .

试验表明：在冬季低温时，无论是在澄清池出水质量方面，还是在对其后除盐设备（称固定床）的周期制水量和经济效益方面，PAC均优于精制硫酸铝。

It is shown by the testing result that PAC is much better than the refined aluminium sulfate in cold winter operation , not only in the effluent quality of clarifier , but also in water output of fixed bed .

地下水基本没有悬浮物，污染指数SDI低，比较适宜做反渗透的水源，但硬度高，容易引起反渗透膜结垢，故地下水反渗透除盐，预处理的重点是防止膜表面结垢。

The groundwater has a little suspended particles and low SDI . It is suitable for the waterhead of reverse osmosis . The groundwater has high hardness , and it easily brings the membrane scaling .

同时，也讨论了纳滤膜去除率R2影响，在目前膜耐压的条件下，纳滤膜除盐率范围为：20%≤R2≤35%。

Meanwhile , the effect of salt rejection R2 of NF membrane was also discussed ; in the present conditions of pressure-resistance , the scope of NF membrane 's salt rejection is : 20 % ≤ R2 ≤ 35 %

反渗透（RO）技术已在我国许多电厂获得广泛应用，而电除盐（EDI）技术是一种新的膜分离技术，它们同是膜技术，但工作机理不同。

Compared with Reverse osmosis ( RO ) technique , which is widely applied in power plant , Electrodeionization ( EDI ) technique is a kind of newly-developed membrane technique . EDI and RO are all membrane technique , but the mechanism is different .

结果表明，对于氯离子扩散系数大于5.0×10-8cm2/s的混凝土，即强度等级通常在C60以下的混凝土，电除盐技术是经济可行的。

It is found that the ECE treatment is economical and feasible for the concrete of which the chloride diffusivity coefficient is above 5.0 × 10-8cm2 / s , that is the concrete of which the strength level is generally less than C60 .

除盐后，滤液中加饱和KOH溶液，20℃下反应15min，即可析出粗产品高铁酸钾；经重结晶、有机物洗涤、干燥等后处理工序纯化后得到高纯度高铁酸钾。

After gotten rid of the salts , saturate KOH solution was added in filtrate at 20 ℃ in 15 min , potassium ferrate (ⅵ) was separated out and purified by process of recrystallization , washing organic contaminants and drying .

而对原溶液进行两级串联处理后，电导率降至545us／cm，浓度为100mg／l左右，除盐率为60%，且除盐率随串级级数的增加而提高。

After two cycles , the conductance and the concentration of the treated solution become 545 us / cm and 100mg / 1 respectively , and desalinization rate is about 60 % . Generally speaking , the desalinization rate increases along with prolonging the cycles .

我们选择微观相分离结构的嵌段共聚物PSF-b-PEO作为MALDI靶涂层，然后利用制作的聚合物涂层进行痕量多肽的靶上除盐和富集工作。

We choose the block copolymer PSF-b-PEO with microscopic phase separation structure as the MALDI target coating materials , and then made use of the polymer film for on-plate desalting and enriching of trace peptides .

除盐水箱水质下降原因分析及解决方法

Reason and Solving Procedure of Water Quality Deterioration in Desalting Tanks

按上述方法，电渗析除盐系统可达到的最高的水利用率为90%。

The highest rate of water utilization ratio is 90 % .

电化学除盐后钢筋混凝土电化学性能的变化

Change of electrochemical property of reinforced concrete after electrochemical chloride extraction

反渗透-离子交换联合除盐系统的选择

Inquiry into selection of combined desalination system with reverse osmosis-ion exchange

印染废水回用中除盐技术的应用

Application of desalting technics in the dyeing and printing wastewater reuse

粗二甲基亚砜除盐新工艺研究

Study on a new technology of desalting from crude dimethyl sulfoxide

一级除盐系统单元制运行的缺陷及整治

Limitations of primary demineralization system in unit operation mode and solution

化学除盐设备再生困难的原因分析及解决办法

Cause analysis and solution of reclaiming difficulty of chemical demineralizing equipment

液流式电容器除盐技术的探讨

Review of the demineralization of Flow Through Capacitor in water treatment