Performance and costs of power plants with capture and storage of CO2, Energy,

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1、ARTICLEINPRESSEnergy32(2007)1163–1176www.elsevier.com/locate/energyPerformanceandcostsofpowerplantswithcaptureandstorageofCO2JohnDavisonIEAGreenhouseGasR&DProgramme,OrchardBusinessCentre,StokeOrchard,Cheltenham,GL527RZ,UKReceived23February2006AbstractThispaperassessesthethreeleadingtechnologiesfo

2、rcaptureofCO2inpowergenerationplants,i.e.,post-combustioncapture,pre-combustioncaptureandoxy-fuelcombustion.Performance,costandemissionsdataforcoalandnaturalgas-firedpowerplantsarepresented,basedoninformationfromstudiescarriedoutrecentlyfortheIEAGreenhouseGasR&DProgrammebymajorengineeringcontractor

3、sandprocesslicensors.Sensitivitiestovariouspotentiallysignificantparametersareassessed.r2006ElsevierLtd.Allrightsreserved.Keywords:CO2;Capture;Electricity;CCS;Costs1.Introductionandnaturalgas-basedpowerplantswithandwithoutCO2captureareassessedonaconsistentbasis.Anthropogenicemissionsofgreenhousegas

4、estotheTheleadingtechnologiesforpowergenerationintheatmosphereareexpectedtocausesignificantglobalclimatecurrentmarketarepulverisedfuel(PF)combustionsteamchange[1].Themostsignificantanthropogenicgreenhousecyclesandnaturalgascombinedcycles(NGCC).CO2cangasisCO2,whicharisesmainlyfromuseoffossilfuels.bec

5、apturedfromthefluegasofbothofthesetypesofFossilfuelscurrentlyprovideabout85%oftheworld’splantsbyscrubbingwitharegenerableaminesolvent.Thiscommercialenergyneeds.Measures,suchasimprovedisknownaspostcombustioncapture.Alternatively,energyefficiencyanduseofalternativeenergysources,willoxygencanbeusedforc

6、ombustioninsteadofair,whichhelptoreduceemissionsbutarapidmoveawayfromfossilresultsinafluegasconsistingmainlyofCO2andH2O.fuelsmaycauseseriousdisruptiontotheglobaleconomy,Thisisknownasoxycombustion.Athirdcapturemethodasenergysupplyinfrastructurehasalonglifetime.whichisapplicabletogasturbinecombinedcy

7、clesispre-Atechniquethatcouldmakeitpossibletomorerapidlycombustioncapture.InthisprocessafuelisreactedwithachievelargereductionsingreenhousegasemissionsisairoroxygentoproduceafuelgascontainingCOandH2,captureofCO2f