化学工程论文(推荐）

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1、Alie,ColinCO2CaptureWithMEA:IntegratingtheAbsorptionProcessandSteamCycleofanExistingCoal-FiredPowerPlantMasterofAppliedScience(MASc)inChemicalEngineering,FacultyofEngineering,2004.InCanada,coal-firedpowerplantsarethelargestanthropogenicpointsourcesofatmosphericCO2.Th

2、emostpromisingnear-termstrategyformitigatingCO2emissionsfromthesefacilitiesisthepost-combustioncaptureofCO2usingMEA(monoethanolamine)withsubsequentgeologicsequestration.在加拿大，烧煤发电厂是冇着大气CO2的人类点声原。从这些装置屮降低CO2排放最有效的近期策略是把捕获到的CO2用于MEA(单乙醇胺)地质的螯合作用(chelation)进行过烧。WhileMEAa

3、bsorptionofCO2fromcoal-derivedfluegasesonthescaleproposedaboveistechnologicallyfeasible,MEAabsorptionisanenergyintensiveprocessandespeciallyrequireslargequantitiesoflow-pressuresteam.Itisthemagnitudeofthecostofprovidingthissupplementalenergythatiscurrentlyinhibitingt

4、hedeploymentofCO2capturewithMEAabsorptionasmeansofcombattingglobalwarming.以上所提到的煤过烧而释放的烟道气的CO2的MEA吸收的技术是切实可行的。特别是需要人量的低压蒸汽时MEA吸收是一个能源消耗量人的过程。捕获CO2的部署与MEA吸收的辅助能量的成本数量是加抑制剂，意味着与全球变暖做斗争。Thesteamcycleofapowerplantejectslargequantitiesoflow-qualityheattothesurroundings.Tr

5、aditionally,thiswastehashadnoeconomicvalue.However,atdifferenttimesandindifferentplaces,ithasbeenrecognizedthatthediversionoflowerqualitystreamscouldbebeneficial,forexample,asanenergycarrierfordistrictheatingsystems.Inasimilarvein,usingthewasteheatfromthepowerplantst

6、eamcycletosatisfytheheatrequirementsofaproposedCO2captureplantwouldreducetherequiredoutlayforsupplementalutilities;theeconomicbarriertoMEAabsorptioncouldberemoved.在环境中，发电站的蒸汽循环所喷出人量低质量的热。传统上说这种浪费没有经济价值。然而，在不同的时间和地方，经过验证的低质量蒸汽的转换是有益的。例如，区域供热系统的一个载能体，与之类似的原理，发电站蒸汽循环的废热

7、可以满足一个被提议的捕获CO2热需要热将减低附加公用费用。Inthisthesis,state-of-the-artprocesssimulationtoolsareusedtomodelcoalcombustion,steamcycle,andMEAabsorptionprocesses・Thesedisparatemodelsarethencombinedtocreateamodelofacoal-firedpowerplantwithintegratedCO2capture・Asensitivityanalysisonth

8、eintegratedmodelisperformedtoascertaintheprocessvariableswhichmoststronglyinfluencetheCO2energypenalty.在该论文屮，达到最新技术发展水平的工艺模拟工具是用煤燃烧