鈦交聯(lián)蒙脫石的合成、表征及其酸催化性能研究.pdf

1、武漢科技大學(xué)碩士學(xué)位論文鈦交聯(lián)蒙脫石的合成、表征及其酸催化性能研究姓名：尹大軍申請學(xué)位級別：碩士專業(yè)：礦物加工工程指導(dǎo)教師：張一敏20070510第1I頁武漢科技大學(xué)碩士學(xué)位論文AbstractTitaniumpillaredmontmorillonite(Ti—PILCs)possessesparticularmacroporousstmcture，withexcellentphysicalandchemicalperformance

2、suchaslargespecificareasurface，hi曲thermalstability，goodcatalyticactivityandphotosensitivity，andSOon，Itattractspeople’Sgreatattentioninrecentyears，andshowswideapplicationprospectinthefieldsofpetroleumcatalysis，environment

3、protection，industryoffinechemicalsandmaterialscience，etcThepaperhasintroducedsynthesization，characterizationandacidcatalysisperformanceresearchofTi—PILCsUnderappropriatetechnicalconditions，aCabentoniteorefromEasternHubei

4、provincehasbeenbeneficiatedbywetsedimentationseparationprocesswithsodiumpyrophosphateasmodificationagent，producinganultrapureNamontmorillonite(valueofd00／128nm)withfineperformance，thenusingitformatrix，aTi—PtLChasbeensynt

5、hesizedExperimentshavealsocharacterizedTi—PILCsbydintofXRD，Aperture，TGDSCandSEManalyses，ete，andmakepreliminaryresearchonitsformationmechanismTheresultsindicatethat：aTi—PILC、vitllvalueofd001of394nmandproductivityof2069／g(

6、stufn，CanbegainedfromNamontmorilloniteupontheelementaryconditionsthatratioofTitoclay20mmol／g，molarratiooftttoTi20mol／mol，volumemtioofacetonetowater2：1，eta，whenmontmorillonitesuspensionconcentrationhasbeenraisedto083％thro

7、ughreducingamountofwatermerely，byusingZi(C4H90)4astitaniumsourcethroughthesolgelprocess，andthespecificareasurfacealsoincreasesfrom316m2／gofNamontmorilloniteto4104m2／gaccordingly，andonthepremisesthatmontmorillonitegranule

8、sCandispersewell，theproductivityofTi—PILCsvariesdirectlywithvolumeofacetoneorvolumeratioofacetonetowaterasawholeThematerialmostlycontainsmesoporeswithin2nmto4nm，andpossessesgoodthermalstabilityWhencalcinedat800。Cfor2hour

9、s，oxidizingatmosphere，thevalueofdoorandspecificareasurfaceofTi—PILCsstillreach355nmand3625me／grespectively，interbeddedordereddegreerises，andporestructuretendstowardsregularitySomeindicatorsoftheexperimentalproductshaveta

10、kentheleadinthesamefieldathomeUsingTiPILCsassolidacidcatalystinpreparationofdiphenylethane，aFriedelCraftsprobereaction，theproductivityofdiphenylethaneCanreach8633％supremely，whichshowsthatTiPILCspossessesgoodacidcatalytic