油溶性氧化劑對(duì)二苯并噻吩的氧化脫硫研究

1、碩士學(xué)位論文油溶性氧化劑對(duì)二苯并噻吩的氧化脫硫研究Oxidativedesulfurizationofdibenzothiopheneusingoilsolubleoxidants作者姓名：至建通學(xué)科、專業(yè)：厘旦絲堂學(xué)號(hào)：墊≥塑絲8指導(dǎo)教師：型籃主熬援固塹煎進(jìn)喱完成日期：2噬生12旦大連理工大學(xué)DalianUnNersityofTechnology李建源：油溶性氧化劑對(duì)二苯并噻吩的氧化脫硫研究Oxidativedesulfurizati

2、onofdibenzothiopheneusingoil—solubleoxidantsAbstractAlongwiththemoreandmorestrictdemandonenvironmentprotection，thereiSaurgentneedtoproduce10Wsulfurfueloiltomeetthefutureenvironmentalle西slationonthesulfurcontent耵leoxidati

3、vedesulfurization(ODS)isconsideredtobeoneofthenewpromisingmethodsforsuperdeepdesulfurizationODShasadvantagesofmildreactioncondition，economyandespeciallycanremovedibenzothiopheneswhicharehardtemoveinhydrodesulfurization(H

4、DS)Currently，mostoftheoxidants，suchasperoxylacidandpertrifluoroaceticacidarewatersolubleTheseoxidantsalwaysmaketheoilemulsifyagainandthereactorsalerestrictedinbatchsystemsbecausetherearetwophasesbetweenoilandwatersoluble

5、oxidantsIntlliSbackgroundweuseoil—solubleoxidantsinsteadofwatersolubleonesasoxidantsTheoxidationofmodelsulfurcompounddibenzothiophene(DBT)indecaliniSperformedtoinvestigatetheoxidativedesulfurizationbyusingtnmylhydroperox

6、ide(TAI[P)andCyclohexanoneperoxide(CYHPO)Intheaspectof啪synthesis，throughinvestigatingtheeffectsofsequenceofreactants，reactiontemperaturereactiontimereactantsmoleratioandconcentrationofalkalionTAHPsynthesisandpurification

7、wegettheoptimalreactionconditionThebirthrateofTAHPjsimprovedfrom38％to68％and也ereactiontimeisshortenedfrom24hto2h1■estmctttreofTAHPisaffirmedbyIRspectrumEffectivecontentofTAHPisupto95％byiodometryTheoxidationofDBTindecalins

8、olventisconductedusingoil—solubleTAHPTheeffectsofoxidantamount，reactiontemperature，reactiontimeandcatalystareinvestigatedindetailWegettheoptimaloxidativeconditionbyorthogonalexperimentsandsin#efactorexperimentsnedesulfur

9、izafionrateiSupto97％Therecoveryratioofmodeloilisupto99％ThecatalystjSnecessarytooxidizeDBTwithTAHPWeakacidcationicexchangeresinofD113largeapertureacrylicacidseriessupportedM003catalysthasrelativelyhighactivitiesAfterusing

10、thecatalystfor10timesitstillhasagoodactivityTheoxidationofDBTindecalinisconductedUSingoilsolubleoxidantCYHPOTheeffectsofoxidantamount，reactionternperature，reactiontimeareinvestigatedindetailTheresultsshowthatunderOptimal

11、conditionsthedesulfufizationrateisuDto91％andcatalystisnotneededThelittlewaterisremovedbymolecularsieveadsorptionTherecoveryratioofmodeloiliSuDto98％afterthetreatmentwithcentrifugationandadsorptionKeyWords：Dibenzothiophene