13二N亚磺酰胺苯对复合纳滤膜性能的影响

2010300、100。100nm[1]。。2。。[2]。－[3]。。[4-5]。。1,3-N-。11.120000MPD98%TMCPIPCSANaOHNaClMgSO4IsoparG。DDSJ-308APHSJ-3FpHS-4700DCA322DHG-9070A1,3-N-3100121,3-N-。1,3-N-0～0.06%、、、。1,3-N-。1,3-N-0～0.03%1,3-N-0.03%～0.06%。。TQ028.8A1000-3770(2014)[e-mail]@chinawatertech.com40820148TECHNOLOGYOFWATERTREATMENTVol.40No.8Aug.,201442。1.21,3-N-IP-NSO[6-7]10.8g75mL85℃3h。400mL5%1,3-/。1,3-N-IP-NSO。1.3。NaOHCSA100mLpH12.00.3%PIPTMCIsoparG0.15%1,3-0、0.01%、0.02%、0.03%、0.04%0.06%。20s10s80℃6min24h。1.45SEM。。1000mg/LNaCl2000mg/LMgSO40.55MPa25℃。1h。F=V/(A·t)1Rj=(1-γ1γ0)×100%。2FVAtRjγ0γ1。22.1IP-NSOIP-NSO。1。2.2IP-NSO2。MgSO495%。IP-NSO65L/(m2·h)NaCl74.4%。0.01%IP-NSO101L/(m2·h)NaCl。IP-NSO0.03%NaCl60%106L/(m2·h)84L/(m2·h)。IP-NSOIP-NSO。IP-NSO0.02%～0.03%。2.3IP-NSO3。IP-NSOIP-NSO。IP-NSO0.03%。[8]IP-NSO11,3-N-IP-NSOFig.1Thechemicalconversionbetweenm-phenylenediamineand1,3-bis(N-sulfinylamino)benzene(IP-NSO)2IP-NSOFig.2TherejectionandwaterfluxofnanofiltrationmembraneswithdifferentaddedcontentofIP-NSO0.000.010.020.030.040.050.0660708090100110120IP-NSO
/%F/(Lmh)020406080100R/%1,3-N-43。[9]。IP-NSO0.03%。4。4IP-NSO38°56°[10]。IP-NSOIP-NSO0.03%。2.4IP-NSO5a。、pHNaCl。NaCl5bIP-NSO。。31,3-N-。30.000.010.020.030.040.050.0630354045505560IP-NSO
/% 4IP-NSOFig.4WatercontactangleofnanofiltrationmembraneswithdifferentaddedcontentofIP-NSO3IP-NSOSEMFig.3SEMphotographsofnanofiltrationmembraneswithdifferentaddedcontentofIP-NSO3e0.03%2μm3f0.03%500nm3c0.01%2μm3d0.01%500nm3a02μm3b0%500nm5a5IP-NSOFig.5Schematicdiagramofinterfacialreactionofpolypiperazine-amidewithIP-NSO5bIP-NSO40844NaCl。1,3-N-。[1]XuY,LebrunRE.Investigationofthesoluteseparationbychargednanofiltrationmembrane:effectofpH,ionicstrengthandsolutetype[J].JournalofMembraneScience,1999,158(1):93-104.[2]YuS,ZhouQ,ShuaiS,etal.Thin-filmcompositenanofiltrationmembraneswithimprovedacidstabilitypreparedfromnaphthalene-1,3,6-trisulfonylchloride(NTSC)andtrimesoylchloride(TMC)[J].Desalination,2013,315:164-172.[3]NiuQJ.Polyamidemembranesviainterfacialpolymersationwithmonomerscomprisingaprotectedaminegroup:WOPatent,2012087428(A1)[P].2012-06-28.[4]KlosJ,WurmF,KnigHM,etal.Automatedlarge-scalesynthesisofsupramolecularoligo(p-benzamide)blockcopolymers[J].Macromolecules,2007,40(22):7827-7833.[5]KimYH.Hyperbranchedaramids:USPatent,5,321,162[P].1994-6-14.[6]GuoC,DongL,KephartS,etal.Anefficientsynthesisofsulfamides[J].TetrahedronLetters,2010,51(21):2909-2913.[7]ZibarevAV,FurinGG,KorobeinichevaIK,etal.InfluenceofthereplacementofhydrogenatomsbyfluorineonthevibrationalenergyoftheNSOgroupand15Nand17ONMRchemicalshiftsinN-sulfinylarylamines[J].BulletinoftheAcademyofSciencesoftheUSSR,DivisionofChemicalScience,1983,32(10):2039-2044.[8]AkinO,TemelliF.Probingthehydrophobicityofcommercialreverseosmosismembranesproducedbyinterfacialpolymerizationusingcontactangle,XPS,FTIR,FE-SEMandAFM[J].Desalination,2011,278(1):387-396.[9]LuX,BianX,ShiL.PreparationandcharacterizationofNFcompositemembrane[J].JournalofMembraneScience,2002,210(1):3-11.[10]MondalS,WickramasingheSR.Producedwatertreatmentbynanofiltrationandreverseosmosismembranes[J].JournalofMembraneScience,2008,322(1):162-170.EFFECTSOF1,3-BIS(N-SULFINYLAMINO)BENZENEONCOMPOSITENANOFILTRATIONMEMBRANEPERFORMANCELiJunjun,ChenTao,TanHuifen,WangMing,PanQiaoming（HangzhouWaterTreatmentTechnologyDevelopmentCenter,Hangzhou310012,China）Abstract:1,3-Bis(N-sulfinylamino)benzenewassynthesizedthroughthereactionofm-phenylenediamineandthionylchloride.Theprotectedamino,N-sulfinylamino,cancoexistwithacylchlorideinorganicphaseandfinallyinvolvedintotheinterfacialpolymerizationofnanofiltrationmembrane.Here,1,3-bis(N-sulfinylamino)benzenewithamassconcentrationrangeof0~0.06%wasaddedinorganicphasetoadjustthesaltrejectionrate,waterflux,surfacetopographyandwatercontactangleofnanofiltrationmembrane.Studiesshowthat,whentheadditionof1,3-bis(N-sulfinylamino)benzenewithamassconcentrationrangeof0~0.03%,theNaClrejectionrateofmembranegoesdownandthewaterfluxincrease.Whentheadditionwithamassconcentrationrangeof0.03~0.06%,theNaClrejectionrateofmembraneunchangedandthewaterfluxdecrease.Atlast,themechanismoftheeffectofN-sulfinylaminoduringnanofiltrationmembranepreparationwasdiscussed.Keywords：nanofiltrationmembrane;N-sulfinylamino;polypiperazineamideo..ADSORPTIONCHARACTERISTICSOFMETHYLENEBLUEBYRAWFIRSAWDUSTANDMODIFIEDFIRSAWDUSTChenGuanghao1,MoChuangrong1,ZhangHanbing1,ZhouJuan2,SongZhenyu2,TaoJingpeng1(1.SchoolofEnvironment,GuangxiUniversity;2.SchoolofChemistryandChemicalEngineering,GuangxiUniversity:Nanning530004,China)Abstract:TheMBadsorptionperformanceofrawfirsawdust(RFS)andmodifiedfirsawdust(MFS)wereinvestigated.Influencefactorssuchasadsorbentsdosage,initialpH,initialMBcontent,contacttime,saltandsurfactantswereconductedonabatchprocess.TheresultshowedthattheadsorptioncapacityofRFShadbeenimprovedbymodification,underthemassconcentrationof100mg/LMB,theoptimumdosagesofRFSandMFSwere4.0g/Land2.0g/L,respectively.TheadsorptioncapacitiesofMBonRFSandMFShadlittlecha