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《SBA15介孔分子篩制備及其吸附和甲烷存儲(chǔ)功能研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、灌壺面萎《礦⑧天洋大薯中國(guó)近代第一所大學(xué)碩士學(xué)位論文■■■_^-踵I■■0●爿
2、0■_E啊■●¨aI學(xué)科專業(yè)：化學(xué)工程作者姓名：牽靜雯指導(dǎo)教師：周理教授天津大學(xué)研究生院2006年1月Abstract，Beeanseofhavingorderlyholecomparedwithmicroporousmolecularsieves，theinorganicmesoporousmaterialcanbetheadsorptionorcatalyticalreactionplaceofbigmolecule．Furtherm
3、oreitspotentialusageinbigmoleculeseperationandheavyoilcatalysmakemesoporousmaterialbecomingthehotspotofresearch．Usingnon-ionicsurfactant，theStuckyoftheCaliforniaUniversitysynthesizedanewkindofmolecularsievesSBA-n．Becauseofitsgoodstructurefunction，excellenthydro
4、thermalstability，steadyframeworkstnlcture,easilypolishedinteriorsurfaceandcertainwallthicknesswitheasilyblendedelement,SBA-15isespeciallyoutstandingofSBAseries．Ithasabrightfutureinvariousdomains，suchaschemicalindustry，environmentenergy,livingcreaturetechnique，a
5、dsorption-separation，catalystandlight,electric，magnetism，etc．ThemajorcontentofourexperimentisabouttheinfluenceofvarioussynthesisfactortothephysicalpropertiesofSBA-15anddevelopitsapplicationinCH4、C02、N2adsorptionandmethanehydratestorage．UsingtheHCIdensityofO．1M．
6、wecanmakethesyntheticmaterialwiththetallestporevolumeandbiggestBETsurfacearea．Toregulatesynthesistemperature，timeandquantityofexpander1,3，5-3methylbenzenes(TMB)，wecanacquiretheporesizecontinuouslyadjustablebetween5and20nmandhi【ghBETsurfaceareaof500m—g一900m2／g．T
7、hroughrepeatingtheexperimentunderthesamecondition，WeknowthewellreduplicatepropertyofSBA一15．BymeasuringCH4，C02andN2adsorptionisothermsonthreeselectedsampleswithdifferentphysicalpropertyat275K，WediscoverSBA一15hasdifferentabilitytoadsorbthesethreekindsofgas．SoitCa
8、nbeusedasacandidateadsorbentofseparatingCH“C02andN2．ThroughthemeasurementofCH4adsorptionisothermOUSBA·15preadsorbeddifferentamountofwaterat275kWefindasharpincreaseexistedinalloftheseisotherms．AlongwitIltheincreaseofpreadsorbedwateramount。thehighestmethaneadsorp
9、tionquantityrise，incontrastthepressureofsharpincreaselowergradually：whenRwis2．92，·thebiggestmethaneadsorbedquantityis3．75timesofdrysample’S，meanwhilethesharpincreasepressure
