離子液體中單糖催化脫水制5羥甲基糠醛

1、大連理工大學(xué)碩士學(xué)位論文離子液體中單糖催化脫水制5羥甲基糠醛姓名：萬(wàn)毅申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：工業(yè)催化指導(dǎo)教師：宋春山郭新聞20090602離子液體中催化單糖脫水制5羥甲基糠醛Catalytiedehydration5hydroxymethylfurfuralofmonosaccharideinto(HMF)intheIonicliquidsAbstractWiththerapidconsumptionofnonrenewableres

2、ources，therenewablebiomassresources，inparticularlignocellulosicsbiomass，hasreceivedmoreattentioninproducingchemicalsLignocellulosemaybeconvertedtobulkchemicalsbyahydrolysisreactionDuringhydrolysis，thelignocelluloseisclea

3、vedtOgivemonosaccharide，whichcanbedecomposedfurtherintousefulchemicalsResultsofmostresearchshowedthatthefirststep(1ignocellulose～monosaccharide)wasacrucialstepandhadsubstantialimpactontheselectivityandyieldofchemicalprod

4、uctThetraditionalhydrolysisofbiomassusedliquidacidascatalystssuchashydrochloricaCidandsulfuricacid，buttheliquidacidhadanegativeimpactonthereactorandon也eglobalenvironmentFocusingontheconversionofbiomassinionicliquid，follo

5、wingstudyWasdidinthisPaperInthisthesisthedehydrationoffructoseto5hydroxymethylfurfural(5HMF)catalyzedbythesynergiesofsolidacidandionicliquidswasstudiedThemainproblemofthisreactioniSthelowselectivityandequipmentserosionan

6、denvironmentpollutionbringedinbycatalystsSochoosingacatalystwithhighselectivityisthekeytosolvetheproblemsTmSthesisstudiedtheselectivesynthesisoffiuctoseto5hydroxymethylfurfural(5一HMF)intheconditionofimidazoleionicliquids

7、assolventsandsolidacidascatalystsWestudiedtheionicliquidandmolecularsievesystem嬲wellasionicliquidandmetalsaltssystemByinvestigatingsomefactorssuchaLsreactiontime，reactiontemperature，solvent，wegetthebestreactioncondition：

8、fructose100mg。1ethyl3methylimidazoliumbromideasthesolvent，theratioofVOPandfructose1：10，100℃，30rain，yield73％；fructose100mg，11ethyl3methylimidazoliumbromideasthesolvent，theratioofHDzeoliteandfructose1：4，80℃，60min，yield885％

9、；dehydrationofglucoseinto5hydroxymethylfurfural(5腫)overHBzeolitewhichbeloadedC，saltsascatalystWasstudiedinionicliquid，the5HMFyieldcanachieve35％after90rainunder110。CKeyWords：Fructose；glucose；5一hydroxymethylfurfural(5一HMF)