Ionpure 基础理论.ppt

CEDI-LX Theory CEDI-LX原理 Topics What is CEDI and IP-LX 什么是CEDI和IP-LX How 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 CEDI Continuous electrodeionization technology 连续电除盐工艺 IPLX is IONPURE’s product name IPLX是IONPURE的产品名称 Method of polishing 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 Role of DC Electric Field直流电场的作用 Ion 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 (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 Role of Ion Exchange Membranes 离子交换膜的作用 Role of Ion Exchange Resin 离子交换树脂的作用 IP-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 regeneration 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 Silica CO2 Boron Allows 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 Role of Ion Exchange Resin离子交换树脂的作用 IONPURE Patent: Resin in Concentrate IONPURE专利：浓水侧树脂 Advantages 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 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Cl2 IPLX? Flows IPLX? 流程 Layered resin bed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 Exploded