生物质快速热裂解制取生物油及其后续应用研究

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1、浙江大学机械与能源工程学院博士学位论文生物质快速热裂解制取生物油及其后续应用研究姓名：王琦申请学位级别：博士专业：工程热物理指导教师：骆仲泱;王勤辉20081201AbstractBiomassfastpyrolysistechnologyispromisingtorealizethecontinuousproductionandindustrialapplications，andcapabletoconvertbiomassintobio—oilthatmightbeasubstitutetoth

2、eliquidfuels，andthusbecomeoneofthefrontiertechn01ogiesintheworld’Sdevelopmentofrenewableenergy．However,variousimpactfactorsonpyrolysis．aswellasthelimitationsinthedirectutilizationofcrudebio·oil，aretheprimaryissuesthatrestrictthecommercializationofbioma

3、ssfastpyrolysistechnology．Onthisbasis，andsupportedbytheBasicResearchProgramofChinaandNationalNaturalScienceFoundations，anintegratedresearchontheproductionandutilizationofbio-oilfrombiomassfastpyrolysiswaspresentedinthisthesis．Thespeciesofbiomassfeedsto

4、ckinfluencedthedistributionofliquidpyrolysisproductsdirectly．ConsideringthespeciesanddistributionofbiomassresourcesinChinaandtheeconomicfeasibility,sevendifferentbiomassmaterialsbelongingtofOurspecieswereselectedastheresearchobjects．Aseriesoftestingmet

5、hods，suchaselementalandindustrialanalysis，compositionalanalysis，thermogravimetricanalysis，thermogravimetric-Fouriertransforminfraredspectrometryanalysis，werecardedouttoachievethephysicalandchemicalpropertiesofdifferentbiomassmaterials．Thepyrolysisbehav

6、ioratinertatmospherewasstudied，andthepyrolysisproductswereidentifiedpreliminarily．Theinfluenceofdifferentspraymediumsontheyieldandqualityofbio-oilWasinvestigatedina5kg／hbiomassfastpyrolysisfluidized--bedreactor．L·-isoparwasaperfectspraymedium，whichwoul

7、dcomeintodifferentlayerswithbio—oilrapidlyaftermixedandnotimpactthecompositionofbio—oil．Moreoverthespraycondensationimprovedthebio．oilyieldtosomeextent．Onthefluidized—bedpyrolysissystemtheinfluenceofoperatingconditionsandthebiomassspeciesonthebio—oilyi

8、eldwasachieved，andthepropertiesofthepyrolysisproductswereanalyzedfurther．Basedontheanalysisofphysicalandchemicalcharacteristics，thebio-oilwaspre-separatedbymoleculardistillation，andthepropertiesofbio-oildistillateswereanalyzed．Thephysic