對叔丁基甲苯液相催化氧化制備對叔丁基苯甲醛的研究.pdf

1、大連理工大學碩士學位論文對叔丁基甲苯液相催化氧化制備對叔丁基苯甲醛的研究姓名：周正波申請學位級別：碩士專業(yè)：應用化學指導教師：閆圣剛20020601AbstractAromaticaldehydesandacidsareimportantorganicchemicalmaterialsandintermediates，whicharewidelyusedinthefieldssuchasmedicines，dyes，foodaddkNe

2、sandperfumesHowevertraditionalpreparationsofthesekmdsofaidehydesandacids，forinstancechlorinationofalkylbenzenes，causesevereenvironmentalpollutionandarelimitedinmanycountriesHowtoproducethemwithoutenvironmentalpollutionis

3、verysignificanttolarge—scaleindustrialproductionComparedwiththepreviousmethods，liquid—phaseoxidationischaracteristicofsimpleoperationfriendlyenvironmentalandeasyindustrializationInthisreportliquidphaseoxidationofptertbut

4、yltolueneforcorrespondingptertbutylbenzaldehydehasbeenstudmdUndertheoptimalconditions(p—tertbutyltoluene30og，aceticacid120Ogcobait(II)acetate509，manganese(H)acute4Og，sodiumbromide109，reactionpressure6arm，reactiontimelh)，

5、59％conversionwith76％selectivityforptertbutylbenzaldeh)’deisobtainedWhenitisappliedtothepilotplant，similarresultisgotApartfromthisliquid—phaseoxidationofmphenoxytolueneOVlPT)form=phenoxybenzoicacid(MPC)isdiscussedUnderthe

6、suitableconditions(MPT1Og，aceticacid8009，cobalt(II)acute309sodiumbromide1Og，reactionpressure6arm，reactiontime1Oh)，theyieldofMPCisover95％KeywordslIiquidphaseOXidati011：ptertbutyIbenzaldehyde：OobaIt(1I)acetatemphencxytolue