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1、离子交换膜应用(Applicationofionexchangemembrane)IonexchangeresinanditsapplicationMoneyishardtobuy,butpleasureistobeboughtAbstract:sincetheionexchangetechnologyhasemerged,therehasbeenagreatdevelopment,hasbeenwidelyusedinscientificresearch,industrialproductionandotherfields,andconstantlyimprovethe
2、development,basedonionexchangeresinthehistory,principleandapplicationwerebrieflyintroduced.Keywords:ionexchangeresin,briefhistory,principle,property,application1,prefaceIonexchangetechnologyhasalonghistory,theearliestusedforwaterpurification,recoveryofusefulmaterialandindustrialwasteinthe
3、extraction,however,withtherapiddevelopmentoftechnologyofmodernorganicsynthesisindustry,therapiddevelopmentofionexchangetechnology,andmademanyexcellentpropertiesofionexchangeresin,developedmanykindsofnewmethodsinmanyindustries,especiallythewideapplicationofhightechnologyindustryandscientif
4、icresearchfield.Anumberofnewtechniquesbasedonionexchangeresins,suchaschromatography,ionexclusionandelectrodialysis,haveemerged.2,briefhistoryIonexchangeresinbegantoappearin1935,atthattime,theBritishB.A.AdamsandE.L.Holmesfoundthatformaldehydephenolsulfonicacidcationexchangepolymercangradua
5、lly,then,alsofoundthatbenzenetwoamineandformaldehydepolymerswithanionexchangeproperties.In1939and1941intheUnitedStatesandGermanyfarbenfabrikenresinproductsandchemicalscompanyhasstartedindustrialproduction,andusingWofatitandAmberliteasthenameofcommodities.Styreneionexchangeresinwassynthesi
6、zedin1944AmericanG.F.Dblelio.DuringtheSecondWorldWar,inGermany,Wofatitwasusedfortherecoveryofcopperfromthewastewaterofartificialsilkplants,aswellastherecoveryofsilverfromthewasteliquid.Duringthistime,theUnitedStatesusedionexchangeresinsfortheextractionofuraniumfrompooruraniumoresandforthe
7、separationofnuclearfissionproducts,uraniumelements,andrareearthelements.Afterthewar,thesynthesisandapplicationofionexchangeresinwerefurtherdeveloped.Inthefieldofwaterpurification,thehighpuritywaterwithresistivityof18millioncmcmwaspreparedbymixedbeddesalination.Since