1、1CEDI-LX Theory CEDI-LX原理2TopicsWhat is CEDI and IP-LX 什么是CEDI和IP-LXHow IP-LX works IP-LX是怎么工作的Role of major components 主要组成部分的作用Module construction 膜堆结构Standard system designs 标准系统设计 3CEDIContinuous electrodeionization technology连续电除盐工艺IPLX is IONPUREs product nameIPLX是IONPURE的产品名称 Method of polish
2、ing RO permeate using:RO产水精处理的方法DC electric field 直流电源Ion exchange membranes离子交换膜Ion exchange resin离子交换树脂How?如何工作的4Role of DC Electric Field直流电场的作用+-+-+-+-+-+-+-+-ANODECATHODE+-+-不锈钢镀钛的铱金属电极5Ion Exchange Membranes离子交换膜Polyethylene construction聚乙烯结构Impermeable to water不能透过水分子Good chemical resistance(
3、pH)良好的抗化学品性能Contains ion exchange properties具有离子交换特性Cation exchange membrane阳离子交换膜Only“passes”cationic species只能透过阳离子Anion exchange membrane阴离子交换膜Only“passes”anionic species仅能透过阴离子6Role of Ion Exchange Membranes 离子交换膜的作用AEMCEM+-+-+-+-+-+-+-+-CEMAEMANODECATHODE+-+-Dilute cell淡水单元Concentrate cell浓水单元C
4、oncentrate cell浓水单元7Role of Ion Exchange Resin 离子交换树脂的作用AEMCEM+-+-+-+-+-+-+-+-CEMAEMANODECATHODE+-+-Anion resinCation resin8IP-LX Mechanism of Ion Removal IP-LX的去离子机理Electroregeneration电化学再生Electrical production of H+,OH-ions(water splitting)电离产物H离子,OH根离子(水分子离解)Continuous electrochemical regeneratio
5、n of resins连续除盐树脂的再生Converts non ionized species to ionized species将非离子物质转化为离子型SilicaCO2BoronAllows removal of weakly ionized species可除去弱电解质Ion transport towards electrodes离子向电极方向传递9Role of Ion Exchange Resin离子交换树脂的作用AEMCEM+-+-+-+-+-+-+-+-CEMAEMANODECATHODE+-+-H2O+e-H2+OH-H2O O2+H+e-OHOH-HH+OHOH-HH+
6、10IONPURE Patent:Resin in Concentrate IONPURE专利:浓水侧树脂AEMCEM+-+-+-+-+-+-+-+-CEMAEMANODECATHODE+-+-Increase of conductance by factor of 2两种因素增加电导率11Advantages of Resin in Concentrate浓水侧树脂的优点Increases conductance of concentrate增加浓水侧的电导Helps ions transfer away from the surface of the concentrate side of
7、 the membrane有助于浓水侧膜表面离子的传递Eliminates need for salt injection无需注如盐水Reclaim of concentrate water possible使浓水能够回收利用Minimizes salt bridging最小化盐桥Will not increase Cl2 production不会增加Cl212IPLX Flows IPLX 流程AEMCEMFEED+-+-+-+-+-+-+-+-CEMAEMPRODUCT产品水CONCENTRATE浓水CONCENTRAT浓水ANODECATHODE+-+-13Layered resin b
8、ed分层的树脂交换床Alternating cation and anion resin阴阳树脂相互间隔Thick diluting cells,10 mm淡水单元有10mm厚Ion exchange membranes离子交换膜Ion exchange resin离子交换树脂Noryl molded spacers膜间隔Silicone o-ring seals硅胶O型密封圈Hidden tie bars暗杆IPLX Module Construction14End plateTie rodsCell spacerCation membraneAnion membraneO-ring sea
9、lsIPLX Exploded View膜堆分解视图15IPLX Module:Building Block IPLX模块:膜堆164 module piping connections4条模块配管的连接Feed(dilute inlet)给水(淡水进)Product(dilute outlet)产水(淡水出)Feed(concentrate inlet)给水(浓水进)Reject(concentrate outlet)3 system piping connections3条管路的系统连接IP-LX Module Construction17IPLX System Connections系统
10、连接DC Power Supplyand Electrical Controls直流电源和电控柜直流电源和电控柜CONCENTRATEPRODUCTFEEDIPLX ModuleIPLX膜堆膜堆18An Example of IPLX Systems一个IPLX系统实例316 SS piping管路材质316SSB31.1 welding specifications按照B31.1焊接标准焊接High end components and instrumentationEasy maintenance方便的维护Systems designed for 50 gpm and up系统设计出力大于等于50GPM20Isolation transformersControl boardsPower supplies6 Module Skid Control Panel 6个膜堆滑架的控制面板21(45)IPLX-30 Module System (45)IPLX-30 膜堆系统