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1、湘潭大学硕士学位论文环己醇催化脱氢合成环己酮过程新型铜系催化剂的制备姓名：王锋申请学位级别：硕士专业：化学工程指导教师：杨运泉200505012005硕士研究生毕业论文环己醇催化脱氢合成环己酮过程新型铜系催化剂的制备ABSTRACTCatalyticdehydrogenationofcyclohexanoltocyclohexanonewhichisaimportantindustrialreactionforthemanufactureofcaprolactam,whichisusedasamaterialforsynth
2、esisofnylon.Besides,cyclohexanoneisalsowidelyusedasanorganicsolvent,andforthesynthesisofrubberandindustrialpaint.Itplaysanimportantroleinthefinechemicalandpetrochemicalindustries.Theprocessofcatalyticdehydrogenationhasmanyadvantagessuchasfewersidereaction,easierope
3、ration,higheryieldandmoresafe.Wherefore,dehydrogenationofcyclohexanoltocyclohexanoneisusedinindustrialcommonly.Toempolderaserialsofcatalyticdehydrogenationofcyclohexanolwithhighefficiencyandeconomicalisthepivotaltechnic.AnewtypeofcatalystCu/ZrO2inthepaperwasprepare
4、dfromthesolutionofCu(NO3)2,ZrOCl2.3H2Oofwhichn(Zr)：n(Cu)is（1～4）：1andbyusingNaOH（w＝15％）astheprecipitantthroughco-precipitationmethod.Thecatalystwasusedinthedehydrogenationofcyclohexnoltosynthesizecyclohexanone.Theoptimizedpreparationconditionforthecatalyst[n(Zr):n(C
5、u)=2:1,theinitial-1C(Zr)=0.2mol·L,roastingtime=5h,roastingtemperature=400℃andtheendpointoftitrationpH=12]wasinvestigatedbyorthogonal5experiment(L4).Theyieldandselectivityofthereactionweremeasuredinthedehydrogenationprocessatdifferentpre-treatmentconditionofcatalyst
6、andreactiontemperature.Theresultsshowthat,attheoptimizedconditionsofcatalystpreparationandreaction,theyieldofcyclohexanonecanbereachedto85%andtheselectivityisnearly100%.Thereactionprocessfordehydrogenationofcyclohexanolwasstudied.Reductiontemperaturewasconfinedat23
7、0℃.Becauseof42005硕士研究生毕业论文环己醇催化脱氢合成环己酮过程新型铜系催化剂的制备beingheatabsorptionforthereaction,itishelpfultotheconversionofcyclohexanolwhenreactiontemperaturewasincreased,buttheyieldmaydecreasewhenthetemperatureexcessacertainrange,inaddition,theinfluenceofreactionpressuretoth
8、eyieldandselectivityofthedehydrogenationwasinvestigated.furthermore,thestabilityfortherecyclinguseoftheCu-ZrO2catalystwasprobedKeywords:Cu/ZrO2,c
