無負(fù)載金屬硫化物催化劑的研究.pdf

1、學(xué)位論文創(chuàng)新性聲明本人聲明所呈交的學(xué)位論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝中所羅列的內(nèi)容以外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果；也不包含為獲得西安石油大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。與我一同工作的同志對本研究所做的任何貢獻(xiàn)均己在論文中做了明確的說明并表示了謝意。申請學(xué)位論文與資料若有不實(shí)之處，本人承擔(dān)一切相關(guān)責(zé)任。論文作者簽名：雄型學(xué)位論文使用授權(quán)的說明本

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3、upportedmetalsulfidecatalystsSpeciality：ChemicalEngineeringName：GuoFan(signatu№)魚鰱2￡絲挫^’Instructor：ZhuYuqin(signatlI嘲上么單ABSTRACTWiththeincreasingenhancementrequirementofenvironmentalprotectiontherealemoreandmorestrict誦t1

4、1sulfurcontentindieseloilincountriesaroundtheworldthede印desulfurizationofdieseloilhasbecomeurgentlyrequestforenterprisesProductionoflowsulfurcleanorultraeleandieselcalleffectivelyreducethesulfurcontentofexhaustemissionan

5、dsulfurconcentrationofpollutantsintheatmosphere，SOastoreduceenvironmentalprotectionpressurecausedbytheincreasingdemandsofdieseloilHydordesulfurization(HDS)isstillthekeytoproducethehidqualityfuelwithlowsulfurcontentHydrog

6、enationcatalystisthekernelofthehydrodesulfurizationprocessIntheworktwokindsofunsupportedMoS2hydrodesulfurizationcatalystsandtheirprecursor，nanosizedM003，weresynthesizedusinganovelhydrothermalreductionmethodmainly，aswella

7、sprecursorC0304，andthebimetallicCoMosulfidecatalystWassynthesizedpreliminarilyInfraredspectroscopyWaSemployedtocharacterizethecompoundsandthestructureofthecatalysts；X—raydiffractionwasutilizedtoascertainthestructureofthe

8、catalysts；N2physicaladsorption—desorptionWasusedtodeterminethespecificsurfaceareaandmeanparticlesizeofthecatalysts；additionally，themorphologycatalystswereinvestigatedbySEMandTEM；thecompositiondistributionWasalsoexaminedu

9、singEDSTheinfluencesofhydrothermaltreatmenttemperature，reactiontime，andpHvalueofreactantsonthegrowthmorphologyofM003、MoS2andC0304weresystematicallyinvestigated111ehydrogenationdesulfurizationperformanceofunsupportedmolyb

10、denumsulfidecatalystswasevaluatedbytakingdibenzothiophene(DBT)asmodelcompoundsonahighpressuremicreactorFinallythehydrogenationdesulfurizationeffectsofthereactiontemperatureandreactionpressurewereinvestigated111eexperimen

11、talresultsshowedthatthebesthydrodesulfurizationreactionconditionswereasfollowfortheMoS2A1sample：360℃oftemperature60MPaofpressure，600ofratioofhydrogentooil(volumeratio)，20h1ofLHSVUnderthiscondition，thedesulfurizationrater