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1、武汉工程大学WUHANINSTITUTEOFTECHNOLOGY化工与制药学院SCHOOLOFCHEMICALENGINEERINGANDPHARMACY化工环保技术EnvironmentalProtectionTechniquesforChemicalIndustriesWetlimestone-gypsummethodinfluegasdesulfurizationprocess姓名:武左佐学号:1206070123班级:E+化工02班学院:化工与制药学院Abstract:China'senergyisd
2、ominatedbycoal,coalcombustionpollutantsemissionsaccountedforthelargestproportionofthetotaldischargeofpollutants:sulfurdioxideaccountedfor87%,accountedfor67%forcarbonmonoxide,nitrogenoxides,sootaccountedfor71%,accountedfor60%,coal-firedboilerisamajorsourceof
3、airpollutioninchina.Therefore,understandingthecoal-firedboilerfluegasdesulfurizationtechnologyintheprocessofairpollutioncontrolisextremelyimportant.Thispapermainlyintroducesthetechnologyoflimestone-gypsumwetfluegasdesulfurizationtechnologyinthemostcommonlyu
4、sedinfluegasdesulfurization.Keywords:Fluegas,desulphurization,airpollution,technology,1.airpollutionanditsharmThechartisthemainairpollutionanditssource:SerialnumberprojectAlsotheprototype(coal)Oxidized(carexhaust)1ThemainsourceofpollutionThefactory,familyli
5、fe,heatingcoalemissions血、NOx.HCxAutomobileexhaust,fueloilpollutantemissionsaremainlyNOx.HCx2PbllutionOnetime,twotimesSO2,CO2mixedgaspollutants,COparticlesandsulfuricacidmist,sulfateaerosol,Thetwomainpollutants,ozone,peroxyacyl,nitrate,RCHO(formaldehyde,acet
6、aldehyde,nitricacidfogetc.)3ThemainfuelBasedoncoal,oilOilfuel4ReactiontypeThermalreactionThephotochemicalreactionandthermalreaction5ChemicalactionCatalyticeffectPhotochemicaloxidationAirpollutionisnotonlyhasharmtoforestsandcrops,theglobalclimateandtheozonel
7、ayer,itisespeciallyadeadlythreattohumanhealth.2・ThemainprocessoffluegasdesulfurizationAtpresent,thedomesticcoal-firedboilerfluegasdesulfurizationprocessisnumerous,inaccordaneewiththedifferentpartsoftheapplicationofdesulfurizationtechnologyinproductioncanbed
8、ividedinto:beforethefluegasdesulfurizationoffluegasdesulfurizationincombustion,combustion,combustionfluegasdesulfurization;accordingtothemethodofdesulfurizationprocessisdividedinto:wet,semidry,dry.Thed