改性蒙脱土的研究进展赵保林

:2005-09-02:(20371035);(043612111);(2004YX03)。:(1979-),,,。:　,:[phone],Email:[e-mail]　　:1004-9533(2006)05-0453-05赵保林,那　平,刘剑锋(,300072):改性蒙脱土是近年来受国内外学者广泛关注的矿物材料之一,由于其层间的特殊结构而被广泛应用于吸附、催化等领域。概括介绍了蒙脱土的结构和基本性质,重点讨论了蒙脱土改性方法和机理。对无机改性、有机改性和有机-无机复合改性分别作了论述,并展望了其应用前景。:蒙脱土;层间域;改性:TQ424.21　:AProgressinModificationofMontmorillonitesZHAOBao-lin,NAPing,LIUJian-feng(SchoolofChemicalEngineeringandTechnology,TianjinUniversity,Tianjin300072,China)Abstract:Modifiedmontmorilloniteshavebeenprovedtobeoneofthemostinterestingmineralmaterialsusedinadsorption,catalysisandcatalyticsupports,photocatalysisandsoon.Thepillaredmontmorilloniteinterlayerisaspecialsiteinchemicalreaction.Thestructureandelementarypropertyofmontmorillonitewereintroducedinthispaper,andthemodifyingmethodsandmechanismwereemphaticallydiscussed.Advanceinmodificationofmontmorillonites,includinginorganicmodification,organicmodificationandinorgano-organo-modificationwassummarized.Andtheexistingproblemsandapplyingprospectofmodifiedmontmorilloniteswereproposed.Keywords:montmorillonites;interlayer;modification　　,,:、、、、。,,。,、[1]。,,。。1　2∶1,,(Al2-yMgy)Si4O10(OH)2·nH2O。,1。,,。,,,,20069Sep.2006　　　　　　　　　CHEMICAL　INDUSTRY　AND　ENGINEERING23　5　Vol.23　　No.5,。4Si3Al,,,,,。,[2]。、、。★—;○—;○—Si;—Al1　2　,,,。、-。2.1　1970,,,。,,,,,,,[3]。2。(Na2CO3),,1—;2—;3—;4—2　　。,,(),、,Na+,。MgO,Na2CO3,MgONa2CO3,Na+Mg2+,,,。[4,5]NaCl(、,,。)1.32mmolg,,,。,、,。CooperC[6]Fe,Al(Cu2+,Pb2+),。LongRQ[7]Fe3+TiO2,、、、。[8]Cu-Zr,C3H6NO,NO300℃55.1%。,,,[9～13]。、、[14～16]。2.2　,。454　　　　　　　　　　20069,,,,,。、、、、。(),。,,。、。2.2.1　,,[17]。。[18],,1.2～1.5nm2.0～4.0nm,(3):a※b※c※d※e。,,。3　　[19],,76%。[20],,。[21],:,,,。2.2.2　,,,。。,[22,23]。[24],Cp·Ti(O-C6H4-F)3,,。[25],,:。2.2.3　,.,,,,。[26,27]。[28],(Aniline,An)(MMT)PAn-MMT,,,。[27]11-,,6。,[29,30]。,[31],455235:　　　　　。。,12。2.3　-,,-,,。Srinivasan[33]-、,,。[34]Al-,。:,。[35],,COD-Cr95.4%95.1%,。3　,、,,、、。,。,,,,,。:[1],,.[J].,2002,21(4):228-233.[2]MOTTCJB.Clayminerals—Anintroduction[J].CatalysisToday,1988,16(2):199-208.[3]HUANGFC,LEEJF,LEECK,etal.Effectsofcationexchangeontheporeandsurfacestructureandadsorptioncharacteristicsofmontmorillonite[J].ColloidsandSurfaces,2004,239(13):41-47.[4]　,　,,.[J].,2001,21(5):645-647.[5],,　,.[J].,2004,33(6):10-12.[6]COOPERC,JIANGJQ,OUKIS.PreliminaryevaluationofpolymericFe-andAl-modifiedclaysasadsorbentsforheavymetalremovalinwatertreatment[J].JournalofChemicalTechnologyandBiotechnology,2002,77(55):546-551.[7]LONGRQ,YANGRT.Acid-andbase-treatedFe3+-TiO2-pillaredclaysforselectivecatalyticreductionofNObyNH3[J].CatalysisLetters,1999,59(1):39-44.[8],,,.Cu2+NO[J].,2003,28(6):18-21.[9],,.[J].,2001,21(3):355-358.[10]MARTINEZJ,FETTERG,DOMINGUWZJM,etal.CatalytichydrotreatingofheavyvacuumgasoilonAl-andTi-pillaredclayspreparedbyconventionalandmicrowaveirradiationmethods[J].MicroporousandMesoporousMaterials,2003,58(2):73-80.[11]LONGRQ,YANGRT.SelectivecatalyticreductionofNOwithammoniaoverV2O5dopedTiO2pillaredclaycatalysts[J].ApplCatalB:Environ,2000,24(1):13-21.[12]BAHRANOWSKIK.Vanadium-dopedtitania-pillaredmontmorilloniteclayasacatalystforselectivecatalyticreductionofNObyammonia[J].ClayMinerals,1997,32(4):665-672.[13]LONGRQ,YANGRT.ThepromotingroleofrareearthoxidesonFe-exchangedTiO2-pillaredclayforselectivecatalyticreductionofnitricoxidebyammonia[J].AppliedCatalysisB-Environmental,2000,27(2):87-95.[14]NAP,JIAB.PhotocatalysisofcopperionmodifiedTi-pillaredinterlayerclayunderultravioletlightirradiation[C].Scotland:7thWorldCongressofChemicalEngineering(WCCE),2005.[15]NAP,YANGSF.MechanismofselectiveseparationonthesurfaceofTi-PILCofremovalofarsenic[C].Scotland:7thWorldCongressofChemicalEngineering(WCCE),2005.[16]NAP,LIUJF.EnhancedadsorptiveactionofarseniconthesurfaceofTi-pillaredinterlayerclayunderultravioletlightirradiation[C].USA:the229thACSNationalMeeting,2005.[17]MINISINIB,TSOBNANGF.Molecularmechanicsstudiesofspecificinteractionsinorganomodifiedclaynanocomposite456　　　　　　　　　　20069[J].AppliedScienceandManufacturing,2005,36(4):531-534.[18],,,.HDTMA+[J].,2003,23(4):1-4.[19],　,　.HDTMA[J].,2003,22(7):456-458.[20].[M].:,2004.[21],,,.[J].,2000,24(1):70-71.[22]　,.[J].,2004,(33)2:1-5.[23]USUKIA,KOIWAIA.Interactionofnylon6-claysurfaceandmechanicalpropertiesofnylon6-clayhybrid[J].ApplPolymSci,1995,55(1):119-123.[24],,,./[J].,2004,02(1):50-53.[25]　,,,.[J].,2004,62(1):83-87.[26]BISWASM,RAYSS.Water-dispersiblenanocompositesofpolyanilineandmontmorillonite[J].JournalofAppliedPolymerScience,2000,77(13):2948-2956.[27]WUQ,XUEZ,QIZ,etal.SynthesisandcharacterizationofPanclaynanocompositewithextendedchainconformationofpolyaniline[J].Polymer,2000,41(6):2029-2032.[28]　,　,,.-[J].,2003,36(7):25-27.[29],　,,.6、[J].,1997,41(5):519-523.[30]SONGK,SANDIG.Characterizationofmontmorillonitesurfaceaftermodificationbyorganosilane[J].ClaysandClayMinerals,2001,49(2):119-125.[31],,　.[J].,2003,24(5):928-931.[32]WANGQG,GAOQM,SHIJL.Enhancedcatalyticactivityofhemoglobininorganicsolventsbylayeredtitanateimmobilization[J].JAmChemSoc,2004,126(44):14346-14347.[33]SRINIVASANKR,FOLERHS.Useofinorgano-organo-claysintheremovalofprioritypollutantsf