正己烷與甲醇在分子篩催化劑上耦合反應(yīng)的機(jī)理研究.pdf

1、如且∞镕目中國科學(xué)院研究生院博士學(xué)位論文正己烷與甲醇在分子篩催化劑上耦合反應(yīng)的機(jī)理研究常搖祥指導(dǎo)教師劉中民研宄員博士申請學(xué)位級別論文提交日期培養(yǎng)單位學(xué)位授予單位中國科學(xué)院大連化學(xué)物理研究所博士學(xué)科專業(yè)名稱物理化學(xué)20∞831論史替辯日期z0。6661里登堂墮莖垂些蘭塑型嬰窶盟中國科學(xué)院研究生院替辯委員會豐席辛勤研究雖AbstractAbstractFll】￡洫gChaIlg(Physicalchemis嘞DirectedbyPro￡Zh

2、ongminLiuThee行ectivecouplingofeXothemicmethaIl01conversionWi也endome珊ichydrocarboncrackingwillllndoubtedlylcadtoapracticalapplicationsinceitse聯(lián)鶿eticandeconomicadvantagesHowever，itsmechanismprocessisummoWnuptonow柚dadetaile

3、dinvestigationisneededtounderstallda11ddeVelopmispromisingcatalyticprocessInthistllesis，砸mnhexanecrackiIlgasmodelreaction，mememanolcoupledcor啪rsionofalkaIlesonzeolnccatalystshavebeenstudiedintensively、vimapulsereactionsy

4、stemaswellastlleteclllliqueofTPSRandFTIRFufmermore，theobs哪ed垴neticbchaviorwasalsoanalyzedinordertoveri每也eproposedmecllaJlismmodelofmiscouplingreactionTheplllsecatalytictestshaveshownt11atmethan01could掣eatlyimproVealkanea

5、ctiVation，especi“l(fā)yfor廿lealkanewimmongadsorl妯oncapacityoverze01“BsurfaceMoreover，theresultsindicatedtllatmeimprovementrolecoIlldbestren窟：tllencdonmezeolite她tllllighlyBranstedacids“esdensity，1盯gerpores仃ucture，andlowerreac

6、tiOntempc豫nlreTheseresultsclearlysuggestedmat、Ⅳi血methanolimrOm羚tion，initialactivationof小hex鼢eandfoIlowingchainpropagationmaymorepossiblyoccllrinbim01ecmarwayTheFTIR觚dTPsRanaIysisaccompaJlingca協(xié)lytictestsfhrtherdemonst豫tc

7、dmatme也anoladsorptiononacidsitcspriorto胛一hex卸eandimmediatelyadsorpcdmemaIlolwastransforrnedtosurfaceme血oxygroupsandWorkedastheactivesitesfbr門一hexaIleconversionItimprovedt11einitialactivationof玎hexanebyahydridetmsferwaynl