碳-13的分離技術(shù)研究及低溫精餾過(guò)程模擬.pdf

1、上?；ぱ芯吭捍T士學(xué)位論文碳13的分離技術(shù)研究及低溫精餾過(guò)程模擬姓名：費(fèi)孟浩申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：化學(xué)工藝指導(dǎo)教師：魏建華李良君20070501ABSTRACTCarbon13isakindofscarcelystableisotopeAsatracerelement，itiswidelyusedinmanyscientificfieldssuchasmedicine，pharmacologyagriculture，environme

2、ntstudies，organicchemistryandclinicdiagnosisItsnaturalconcentrationis1108％，theenrichedproductcallbeobtainedbythemethodofheatdiffusionchemicalexchange，gasdiffusion，laserandcryogenicdistillationCarbonmonoxidecryogenicdisti

3、llationistheonlywaythathasbeensuccessfullyindustrializedinafewdevelopedcountries。TherelativevolatilityQ(12C160／13C160)isonlyabout1007bythemethodofcryogenicdistillationInordertogethighlyenrichedproduct，wemustbuildacascade

4、ofdistillationcolumnswhichhasthousandsoftheoreticalplates，andgethighlypurecarbonmonoxideastherawmaterialInthispaperIsimulatetheprocessofcarbonmonoxidecryogenicdistillationgetpacking’Shydrodynamicscharacterbyexperiments，d

5、esigntheprocessofpurifyingcarbonmonoxideandproposeawaytodesignthecascadeThemainstudiesinclude：1IanalyzeseveralwaystoconstructdistillationmodelsandchooseequilibriummodeltosimulatecarbonmonoxidedistillationIuseAspenPlustos

6、imulatecarbonmonoxidedistillationtheresultissatisfiedinengineeringIalsoanalyzeseveralfactor’Sinfluenceonproduct’sabundancesuchasevaporativedutyproduct’Soutput，material’Shputandpressuredrop2Theprocessofpurifyingcarbonmono

7、xideisaffnmedbyexperiments3ThesteamrateoffloodingpointofthepackingnamedPACKJ3Cismeasured，andtheoptimaloperationalpointofdistillationcolumnisfound4ThewaytodesignthecascadeisproposedThedesignandoperationalparametersoftheca

8、scadealeworkedoutbysimulationThroughtheseresearehes，thefoundationislaidforbuildingindustrialplanttoproducecarbon一13isotopebycryogenicdistillationKeywords：carbon13isotopecascadedistillationsimulate’COpurificationcryogenic