生物質(zhì)秸稈在亞-超臨界乙醇-水中液化的試驗研究.pdf

1、中國農(nóng)業(yè)大學(xué)碩士學(xué)位論文生物質(zhì)秸稈在亞超臨界乙醇水中液化的試驗研究姓名：劉孝碧申請學(xué)位級別：碩士專業(yè)：農(nóng)產(chǎn)品加工及貯藏工程指導(dǎo)教師：毛志懷20060501AbstractLiquefactionisaneffectivemethodincouvertionandutilizationofbioma％materialsBinchemicalsorbiofuelsc∞beobtainedbornbiomassthioughliquefact

2、ionandseparationprocess／11th／sstudyoueofthetypicalagriculturalresiduescomstalkwasliquefiedwithethanolandwaterundersupercriticalandsubcriticalconditions，andtheproductswereextractedandanaly口dTheoptimizedmodelofliquefaction

3、processwasestablishedbyquadraticorthogonalregressionexperiments，andthecompoundanalysisofliquefactionproductsweredeterminedbyFr【RTheliquefactionconversionandextractionprocesseswerelovesfigatedunderdifferentconditionTheyie

4、ldsofliquefactionconversionandextractionwereexaminedwithreactiontemperature(240—340“C)，ethanolmulefracllonm21072tool／t001)ratiosofsolventsfoiomass(1559／g)andreactiontime(1560mi小1krelationsbetweenreactionconditionsandliqu

5、efaction他sultswerestudiedthroughthreefactorialquadmticoahogtmalregzessiooexperiments11eregressiveequationsofcouvemionandextractionyieldswemobtainedthrooghtheregressiveanalysisofexperimentaldataTheoptimalliquefactioncondi

6、tionswereobtainedbystaffsticexeefiencehuntmethodasacombinationoftemperature，ethanolmolefractionandsolventsmiomassat262—265“C，0305mol／mol，andlO一139／grespectivelyTheliquefactionproductswereextractedbyorganicsolventswithdi蜘

7、erentpolarityTheresultsindicatethaton—dissolvedhadahighersolubilityinchloroformofstrongpolarity，buttheorganicdissolvedwasjusttheoppositeTheFT／Ranalyscsofcofustalksample，oildissolved，organicdissolvedandresiduesindicatedth

8、attheceUlllo∞，hemicelluloseand1i弘inwet8decomposedanddepolymetizedtosmallcompoundsafterliquefactionTheab∞r(nóng)bingapexofnewaromaticring，heterocyclicringandaetherappearedintheinfraredspectrogramofu／／dissolved，whilethatofglucid