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EDI超纯水设备

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EDI技术/EDl technology:


EDI(Electrodeionization)技术是国际上20世纪90年代开始逐渐发展起来的新型纯水、超纯水制取技术。该技术巧妙地将电渗析技术和离子交换技术相融合,通过明、阳离子交换渠对阴、阳离子的选择性诱过作用与离子交换树脂对离子的交换作用,在直流电场的作用下实现离子的定向迁移,从而完成水的深磨除垫,同时水电离解产生的氢离子和氢氧根离子对离子交换树脂进行再生,因此不需酸碱化学再生而能连续制取超纯水。

EDllElectrodeionizaionlis a new pure water and ulra pure water making technology which developed from 1990s.  ombies elecrodialysis and ion-exchange, uses seleclivehpemealina fealure of anion-caion exchange membrane to caion and anion, ion exchane fealre of resin. fore ons moving direced under DC electnc. Saltin waler wilbe removedMeanwhile, H+ and OH- from water electrodialysis will regenerate the resins, so no acid or alkali is needed.


工作原理/Working principle:

反渗透(R0)膜是由透过液芯柱、隔离网、膜、筛网、外壳组成的聚酰胺复合膜,过滤孔径仅为0.0001微米,其操作压力在0.6-1.51pa,脱盐率高达99%,化学离子、细菌、病毒都不能通过,随废水排出,只允许体积小于0.0001微米的水分子和氧分子通过,从而达到净化的目的。Reverse osmosis membrane is a PA compound membrane made ofliquid core columns, separaing nel, membrane, screen and shel. ts filraion diameteris only 0.0001 micronunder 0.6.1.5Mpa working presure, deslnation ralie can be upto 99%, none chemical ions, gemms and virus can pas and be discharge with waste waier, ony waier molecule anoxygen molecule which smaller than 0.0001 micron can pass. That's how to getpure water.


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