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1、ViewOnlineREVIEWwww.rsc.org/ees
2、Energy&EnvironmentalScienceAnoverviewofCO2capturetechnologiesabaccbbNiallMacDowell,NickFlorin,AntoineBuchard,JasonHallett,AmparoGalindo,GeorgeJackson,bcbaClaireS.Adjiman,CharlotteK.Williams,NilayShahandPaulFennell*Received9thMarch2010,Accepted26thJuly201
3、0DOI:10.1039/c004106hInthispaper,threeoftheleadingoptionsforlargescaleCO2capturearereviewedfromatechnicalperspective.Weconsidersolvent-basedchemisorptiontechniques,carbonateloopingtechnology,andtheso-calledoxyfuelprocess.Foreachtechnologyoption,wegiveanoverviewofthetechnology,listingad
4、vantagesanddisadvantages.Subsequently,adiscussionoftheleveloftechnologicalmaturityispresented,andweconcludebyidentifyingcurrentgapsinknowledgeandsuggestareaswithsigniÞcantscopeforfuturework.Wethendiscussthesuitabilityofusingionicliquidsasnovel,environmentallybenignsolventswithwhichtoca
5、ptureCO2.Inaddition,weconsideralternativestosimplysequesteringCO2ÑwepresentadiscussiononthepossibilityofrecyclingcapturedCO2andexploitingitasaC1buildingblockforthesustainablemanufactureofpolymers,Þnechemicals,andliquidfuels.Finally,wepresentadiscussionofrelevantsystemsengineeringmethod
6、ologiesincarboncapturesystemdesign.1.IntroductiontechnologyoptionsthataregenerallyacceptedasbeingsuitableforcommercialdeploymentintheneartomediumtermareConcernsduetoanthropogenicallyforcedclimatechangeowingpost-combustionCO2captureusingaminesolvents,oxyfueltoemissionsofCO1arenowwellacc
7、eptedandhaveresultedin2combustionandÞnallycalciumloopingtechnologies.TheanumberofinitiativestoreduceCO2emissions.Worldwide,adsorptionofCO2intoadvancedsorbents,suchasmetalorganictherearemorethan8000largestationaryCO2emissionsourcesframeworks4,5andzeolites6arethesubjectofcurrentresearchw
8、hosecumulativeemissionsin2005werereported1asbeinginterests7,8butwillnotbeconsideredhereasthefocusison13466megatonsofCO2peryear(Mt/yr).Giventhegrowingtechnologiesthatareinimminentdeployment.populationbasewithincreasingdemandsformoreenergyInamine-basedCO2capture,theCO2richgasstreamisco
