高硅納米沸石催化fcc汽油降烯烴的研究

1、大連理工大學(xué)碩士學(xué)位論文高硅納米沸石催化FCC汽油降烯烴的研究姓名：徐舟波申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：工業(yè)催化指導(dǎo)教師：郭洪臣20040614AbstractAbstraotInordertocontrolthetail—gaspollutionoffuels，pollution—producingandharmfulmaterialsingasolinemustbelimitedInChinaitisurgenttoreducetheol

2、efincontentofFCCgasolineThispaperdetailedlystudiestheadjustingofsurfaceaciditybysteamingandtheinfluenceoftotalacidandLewissacidsitestoBronstedacidsitesratio(CdCB)ontheperformanceofde—olefincatalystCatalyticperformanceofc

3、obaltloadedandmolybdenumloadedllanoHZSM5andBeta／ZSM5catalystsarealsostudiedMoreovervarioussamplesofthescaled—upcatalystQG009wereevaluatedBesides，measuretoslowdownthedeactivationofthecatalystisalsoinvestigatedTheresultsal

4、easfollows：1)TotalacidandCjCBvalueofnano—HZSM一5callbesuccessfullyadjustedbysteamingThestabilityofthede—olefincatalystdependsontheamountoftotalacidandstrongacid，andonthevalueofCUCBExceededamountoftotalacidandstrongacid，an

5、dlowCdCavalueundergothestabilityofdeotefincatalyst2)Coloadingincreasestotalacidofnano—HZSM5andconsequentlyenhancesaromatizationofthecatalystbutisimproperfordeolefinbecauseitlackofstabilityMoloadingdecreasesstrongacidofna

6、no—HZSM5Relativelygoodstabilitycanbeachievedbyloading141％Moovernano—HZSM53)TheintroductionofBetazeoliteintonanoZSM5bysynthesiscanincreaseiso—paraffinoftheproductinmodelreactantconveningbutishardlyeffectiveinrealgasolinet

7、reatment4)ScaledupQG009almosthastheSalTleadsorptionabilityaciditymetalcontentandde—olefinperformanceastheexperimentalQG009ShapinghardlyhasanyinfluenceonadsorptionabilityandreactingfeaturesofscaledupQG0095)De—olefincataly

8、stprotectorhastheabilityofgeaingridofdiolefiningasolinewithhighselectivityandisabletoslowdownthedeactivationofdeolefincatalystKeywords：nano—HZSMP5：Betazeolite：FOCgasoiiDe：oIefin：aromatizatiORisomerizati013：eobaIt：mOIybde