柴油机后处理技术的研究现状和发展趋势

(430000),,StatusandTrendofDieselEngineAfter-TreatmentTechnologyWuhanUniversityofTechnologyLiuXiangminChinaAutomotiveTechnologyResearchCenterFangMaodong(Wuhan430000)AbstractCurrenttechnologyaboutdieselengineafter-treamentdevicesisdiscussedindetailinthispa2per.Themaincharacteristicsofeachtechnologyandthestatusofimplementationarealsoinvolved.Attheendofthepaper,theauthorsgivetheirownpointsofviewaboutdieselengineafter-treatmenttechnologyinthefutureandpayattentiontoitsprospect.KeywordsDieselengineAfter-treatmenttechnologyFuelquality1,NOX,EGR,,,,,,ERUO,,1),,2),,,,,,,NOXNOX2HCCO,HCCOPMSOF,S02,,SOF,PM,03No.4(Vol.32)2003,,650,,,650,,,JohnsonMatthey,HCCOPt/A120310506,1.5nm40nm,,HCCO,S02,Pt/Al203V(),PtS02CO,HCPtV,S02HCCO,3,,,,,,,90%,,,,,,,,,,,,,,,,,,,PSA,,,HCCO,,4NOXNOX,NOXNOXGDI,NOx()NOX,NOX,,NOX,,,,NOX,NOXHCCO132003(32)4N2,,PtNON02,N02;,NOX,NOXHCCON2,,NOX,TWC,,NOXHCCO,,,NOX,,,S02NOX,,,600NOXDieselEmissionControl-SulfurEffectsProgramNOX1(400,450)NOX,,,4NOXNOX,NOXNOX,,,,,NOX300,500300,800NOXN20HCNOX,51),(),2),,3)NOX,,4)5)NOX,,1JochelmJ,HesseD.AStudyoftheCatalyticReductionofNOXinDieselExhaust.SAE9620422MartinLitorell,RonnyAllansson.DevelopmentofTestMethodsforLean2NOXCatalystEvaluation.SAE9524893BrianHWest,ScottSluderC.NOXAbsorberPerformanceinaLight2DutyDieselVehicle.SAE2000201229124WendyClark,GeorgeM.Sverdrup.OverviewofDieselE2missionControl-SulfurEffectsPrograms.SAE2000-01-18795,,..,20006,,..,2000,(2):3235(:2003-01-13)23No.4(Vol.32)2003