改性β沸石催化二異丙苯異構(gòu)化反應(yīng)的研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文改性β沸石催化二異丙苯異構(gòu)化反應(yīng)的研究姓名：趙培俠申請學(xué)位級別：碩士專業(yè)：工業(yè)催化指導(dǎo)教師：劉靖20050617大連理工大學(xué)碩士學(xué)位論文AbstractTodaywiththeneedofresorcinolincreasingallovertheworldthetraditionalsulfonaticmethodiSnotthemainsynthesizingwaybecauseofitscorrosivea

2、ndenvironmentallyhazardousnatureToovercometheseproblems，cumeneoxidationmethodiSthemostprospectWaySo13一diisopropylbenzeneisallimportantrawmaterialinproductionofresorcin01Somediispropylbenzenes①IPBs)willbeproductedwiththei

3、sopropylationofbenzenetocumeneTheworkof14一DIPBismerizationto13DIPBWaSonlystudiedinisopmpylationofbenzenetocumeneInthispaper1，4DIPBisomerizationto1，3DIPBonDzeolitewillbestudiedforthefirsttimeallover血eworld，whichiSveryvalu

4、eiobThecharacteristicsofisomerizationofDIPBonsomedifferentzeoliteCatalystswerestudiedfirstly、neresultsshowthatBzeoliteiSthebestzeoliteonthereactionofisomerizationofdiisopropylbenzeneamongH13，HY，HMCM22，王zsM5andHMcM41Effec

5、tofSi02／A1203andthereactionconditionswerestudiedItwasobservedthatAstheSi02／A120sincrcased，theconventionofl，4一DIPBdecreasedbuttheselectivityof1，3DIPBenhanced，theyieldofl3一DIPBincreasedthenreduced、Asthereactiontemperaturei

6、ncreased、theconventionof14一DIPBenhancedbuttheselectivityofl’3—D口BdecreaSedOnpzeolitew11entheweighthourspacevelocityincreasedtheselectiv時ofl，3一DIPBincreasedgraduallyHowever，theconversionof1，4DIPBreducedon13zeoliteInordert

7、ostudytheinfluenceofrawmaterial，therawmaterialWasrectifiedunderhi曲temperaturetoabtainrich14一DIPBcontainingrawmaterialWhichWasisomerizedonthesamecatylstandconditions111eresultsheWthatrawmaterialhaven0infiuenceonthisreacti

8、onAserisesofmodifiedzeolitebetawerepreparedbymeansofionexchangewithorganicacid(tartaricacid、lacticacidandcitricacid)andtheirammoniumsaltsolutionCharacterizationofthesampleswereanalyzedbyⅪ≈D、ⅪtF、FFIR、“A1MASNMR、ZgSiMASNMR、

9、GCMS、GCandNH3TPDTheresultsshowthattheynotonlyhaveahigherrelativecrystallinitythanthatmodifiedbyammonittmnitrate，butalsoCanrestricttheremovalofframeworktetrahedralA1BesidescitricacidandammoniumcitratefavorAl(S4R，SiteA)fom

10、aatingAI(S6R，SiteB)，whileonlyonetypeofframeworktetrahedralAlWaSfoundinH6modifiedbyammoniumnitrateTheacidsites，LacidsitesandthestrongBacidsitesofH6一CA2andHB—CA3whichweremodifiedbyarnnloniunlcitratedibasicandtriammoniulnci