膜分离基础图部分.pptx

11.Introduction1.1Applicationexamples(1)Oxygen-NitrogenSeparationCompressedAirN2-enrichedairO2-enrichedairMembrane

21.Introduction1.1Applicationexamples(2)DesalinationofseawaterHighpressureSeawaterPotablewaterConcentratedseawaterMembrane

3复合膜横截面CrosssectionofcompositemembraneSkinlayer(1μm)表层Micropore微孔Supportlayer(100μm)支撑层

4Classificationofmembrane/byshapeHollowfiber中空纤维Tubular管式Sheet平板

5

6umARELATIVESIZEOFCOMMONMATERIAL过滤对象MOLECULARWEIGHT分子量0.001100.011000.110001.01041010510010001061071002005,00020,000150,000500,000Aqueoussalts中水盐份Metalions金属离子Sugars蔗糖FILTRATIONTECHNO-LOGY过滤方法Pyrogens热源Virus病毒Colloidalsilica胶体硅Albuminprotein白蛋白Bacteria细菌Carbonblack碳黑Paintpigment颜料色素Yeastcells酵母Milledflour面粉Beachsand海滩沙砾Pollens花粉RO反渗透Ultrafiltration超滤Microfiltration微滤Particlefiltration一般过滤THEFILTRATIONSPECTRUM过滤谱图NF纳滤

7RO,NF,UF,MF

8纳滤软化水流程法国巴黎Mery-Sur-Oise纳滤饮用水处理厂

9陶瓷膜过滤净化器的基本结构图病房病毒空气电炉丝温度：100～200℃陶瓷膜过滤管引风机洁净空气

10净化后空气陶瓷膜管（绕有加热电阻丝）炉内温度：120-200度病毒被滤除在陶瓷膜内壁或孔内-然后高温杀除病毒空气

11高分子膜扩散解吸溶解气体分子高压侧高分压P1端原料侧气体分子低压侧低分压P2端渗透侧3.2气体膜分离原理溶解－扩散机理

124.渗透蒸发4.1基本原理膜液相渗透相(汽相)料液渗余物冷凝器真空系统冷凝物

135.LiquidMembrane

5.1EmulsionLM(w/o/w;o/w/o)InternalphaseLiquidmembranephaseExternalphaseSurfactant

146.控制释放

157.电渗析+++----

1612.液流储能电池充电放电充电放电正极：VO2++H2O-eVO2++2H+E0=1.00V负极：V3++eV2+E0=-0.26V充电过程：正极失电子，发生氧化反应；负极得电子，发生还原反应放电过程：正负电极表面活性物质离子价态变化方向相反研究最多的全钒液流电池

1712.液流储能电池

18SymmetricmembraneAsymmetricmembrane

19SymmetrymembraneAsymmetrymembrane

20Thecross-sectionsofcompositemembranes

21ScanningElectronMicroscopy(SEM)PoresizePoredistributionLayerthicknessMaterialcomposition

22MembranesurfaceAFM

23AFMSEMMembranesurface

Plate-and-FrameModules24

TubularModules25

Spiral-WoundModules26

27

进水口耐压容器连接器膜组件密封圈端盖透过液浓缩液28

29

进水浓水透过水多孔进水管浓水出口淡水出口密封中空纤维膜外径50－200μ内径25－42μ密封耐压容器30

31CoolingEvaporative动力学数据Kineticdata热力学数据Thermodyna