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《負載Ru催化劑上芳香胺加氫制脂環(huán)胺的研究》由會員上傳分享，免費在線閱讀，更多相關內容在學術論文-天天文庫。
1、河北工業(yè)大學碩士學位論文負載Ru催化劑上芳香胺加氫制脂環(huán)胺的研究姓名：郭迎秋申請學位級別：碩士專業(yè)：化學工藝指導教師：王延吉20070301負載Ru催化劑上芳香胺加氫制脂環(huán)胺的研究STUDYONSYNTHESISOFCYCLOALIPHATICAMIDESFROMAROMATICAMIDESHYDROGENATIONOVERSUPPORTEDRuCATALYSTABSTRACTSynthesisofcycloaliphaticamidesfromaromaticamideshydrogenationonsupportedRucatalystwasstudied,including
2、quantitativeanalysisoftheTDAhydrogenationproducts,thermodynamicanalysisofthehydrogenationreaction,thechoiceofcatalystsandoptimizationofoperatingconditionsforaromaticaminehydrogenation.Basedonqualitativeanalysisofaniline,OMA,MPDhydrogenationproductswithGC,TDAhydrogenationproductswasdeterminedb
3、yGC-MSandspaciousstructureanalysis.ThermodynamicanalysisoftheTDAhydrogenationsystemwasdonebythegroupcontribu-tionapproach.Thiswasanexothermicreactionwiththermodynamicsuperiorityandsidereactionsequilibriumconstantswereallgreaterthanthatofthemainreaction.Theby-productMCHAwasmainlyformedbydeamin
4、ationofthemainproductMCHD.Ru/γ-Al2O3(4%load),aromaticaminehydrogenationcatalyst,waspreparedwithanilinehydrogenationastheprobereaction.Anilinehydrogenationwasstudiedwithsinglefactorstestandtheoptimaloperatingconditionswereasfollows:w(aniline)/w(catalyst)was100:1(massratio),7MPa,160℃,4h.Underth
5、econditions,anilineconversionwas98.2%andanilineselectivity(cyclohexylaminetoaniline)was91.4%.OMAhydrogenationwasstudiedwithorthogonalexperimentandtheoptimalconditionswere:w(OMA)/w(catalyst)was100:1,8MPa,170℃,4h,OMAconversionwas99.4%.Theselectivity(OMCHAtoOMA)was97.9%.MPDhydrogenationwasstudie
6、dwithsinglefactorstest.Theoptimalconditionswere:w(MPD)/w(catalyst)was25:1,THF(solvent)20ml,highpressure,lowtemperatureandshorttime.Theselectivity(DACHtoMPD)couldreach49.5%.TDAhydrogenationwasstudiedwiththeaboveoptimalconditions.Calcinationtemperatureofthecatalysthasthegreatestinfluenceonselec
7、tivityofthemainproduct(MCHD).Theoptimalselectivitywas71.3%withthecalcinationtemperature400℃.KEYWORDS：aromaticamides，cycloaliphaticamides，hydrogenation，supportedRucatalystii河北工業(yè)大學碩士學位論文第一章文獻綜述§1-1工作背景及意義脂環(huán)胺是重要的有機化工和精細化工中間體，廣泛用于橡膠助劑、食物添加劑、制藥、防腐
