火电厂气体和固体污染物研究.ppt

,ASTUDYOFTHEGASEOUSANDPARTICULATEPOLLUTANTSINTHEENVIRONMENTOFATHERMALPOWERPLANTPROJECTAREA,环本1213班张婵1282091308滑夏赟1282091314,Introduction,DetailsoftheIndustrialComplexesintheProjectArea,LocationofMeasurements,Catalogue,1,2,3,4,Measurements,LocationofMeasurements,Measurements,Catalogue（Cont.),Meteorologicalconditions,ComputationofSulphurDioxideDispersion,5,6,7,8,ResultandDiscussion,Conclusions,Introduction,Theinfluenceofpowerplantsonclimate：therainfall.Primarymeasurements:1、SO2;2、NH3;3、NO2;4、oxidents;5、totalsuspendedparticulates（TSP）.,DetailsoftheIndustrialComplexesintheProjectArea,Theworkingconditionofthethermalpowerplant(TPP).,LocationofMeasurements,Measurements,thermalpowerplantareapetrochemicalindustrycomplex(PIC)SO2samples49gaseouspollutants18totalsuspendedparticulatesinmorning&evening,AnalyticalschemefortheanalysisofgaseouspollutantsandTSP,MeteorologicalConditions,ThesoutheasternpartofthepeninsularIndia:itsmainrainyseasonfromOctobertoDecember(thenortheastmonsoon),Theairflowinthelowertroposphere,ComputationofSulphurDioxideDispersion,TheconcentrationofSO2wascomputedbyusingthefollowingequation:,Corrections(thedifferencesbetweensamplingperiodsadoptedinthecomputationsandintheactualobservations):,ResultsandDiscussion,Results,2.TSP,3.SOURCESOFTSP,4.DISPERSIONOFSULPHURDIOXIDE,1.GASEOUSPOLLUTANTS,NO2,Themaximum:Site2Sources:thecombustionproducts(CCI),Themaximum:Site4MorninghigherthaneveningReason:seabreeze,Themaximum:Site4Sites2and4higherthanSites1and3,SO2,NH3,GASEOUSPOLLUTANTS,O3,Themaximum:Site4Sources:PIC,TOTALSUSPENDEDPARTICULATES(TSP),Themaximum:Site2Reason:CCIlocatedintheupwardregionHighconcentrations:Site1Source:thelargeconstructionalworksoftheTPPTheminimum:Site3(locatedatthecoast)Cl-andNa+concentrations:themaximum:Site1(intheTuticorinBay)theminimum:Site2(thedifferencesinthephysicalandchemicalcharacteristicsoftheparticulatesemittedfromCCI.),SOURCEOFTSP,Na/KandNa/CainTSPlowerthanseawater:K+,Ca2+contributedbysourcesoflocalorigin.Cl/NaforTSPtwiceforseawaterandNa/SO4halfforseawater:Cl-andSO42-havingsourcesotherthanthesea.,ThecontributionbyseatothetotalTSPisabout9%,Sourcesotherthantheseacontributeabout11%ofthewatersolubleconstituentsofTSP.,DISPERSIONOFSULPHURDIOXIDE,Site4windspeedof6.5m/swinddirectionsranging70to90,Thedeviationsarelargelyduetowidefluctuationsinthewinddirection.,Conclusions,Themeasuredconcentrationsareintheorderofworldbackgroundaverageconcentrations(thedownwindofthePIC),TheconcentrationsoftheTSPanditswatersolublecomponents:theareasdownwindofthePICandtheTPPhigherthanthecoast.(sea9%,othersources11%),ThepredictedmaxconcentrationofSO2insite4issubstantialforthemostfavourablecondition.,T