PM emissions from industrial sources IIAS從工業(yè)來源奧地利的PM排放

1、french-german institute for environmental research, university of karlsruhe1particulate matter emissions from industrial sources(with the iron & steel industry as an example)u. karl, o. rentzfrench-german institute for environmental research (dfiu/ifare)university of karlsruhe (th), germanyworks

2、hop of the un/ece task force on integrated assessment modelingon the potential and costs for controlling primary emissions offine particulate matterlaxenburg, 23 - 24 november 2000french-german institute for environmental research, university of karlsruhe2particulate matter (pm) emissions from indus

3、trial sourcescontents introduction - major sources of pm emissions in industry fine particulate matter - fractions of pm 10 in emissions from direct and fugitive emission sources pm emission reduction measures - process integrated emission control - end of pipe techniques - control of secondary emis

4、sions conclusionsfrench-german institute for environmental research, university of karlsruhe3major contributors to pm emissions from industry mining of coal, lignite, metal ores manufacture of non-metallic mineral products(cement, lime, glass, bricks and tiles) manufacture of basic metals(iron and s

5、teel, non-ferrous metals) manufacture of basic chemicals / fertilisers manufacture of wood products(chipboard, fibreboard) manufacture of food products(mills, sugar production) waste incinerationfrench-german institute for environmental research, university of karlsruhe4fractions of fine particulate

6、 matterdirect emissionsdepending on dust control equipmentfabric filters95 - 98 % pm10electrostatic precipitators95 % pm10scrubbers90 % pm10cyclones50 - 60 % pm10fugitive emissionshighly uncertain information; estimated fractions:storage and handling20 % pm10industrial building ventingup to 75 % pm1

7、0reference: remus r.: feinstaub - entstehung und quellen der feinstaubemissionen -neue gesetzliche regelungen; vdi berichte 1478, 1999french-german institute for environmental research, university of karlsruhe5particulate matter emissions from pig iron production050010001500200025003000crushing/siev

8、ingsinteringblastfurnacedesulphu-risation265303748165252001080direct mg/afugitive mg/acontributionof fugitiveemissionsreference:emission controlat stationary sourcesin the federal republicof germany,volume iidfiu/ifare 1997french-german institute for environmental research, university of karlsruhe6p

9、rocess integrated emission controlexample: emission optimised sinteringreference:eippcbiron & steelbrefjanuary 1999french-german institute for environmental research, university of karlsruhe7emission optimised sintering - multi-pollutant emission reductionemission reduction (by mass) resulting f

10、rom eosemission reduction (mass %)parameterlow basicity sinterhigh basicity sinterwaste gas flow4040 50particulate matter5060co4550so2?15 20nox3530 45hydrocarbonsn/a50pcdd/f7065reference: eippcb iron & steel bref january 1999(compared to conventional sintering)french-german institute for environ

11、mental research, university of karlsruhe8inertisation as an end of pipe measureexample: blast furnace operation - fume suppression during castingconventional dedustingdust suppressionraw gas dust emissionfactorkg dust /mg pig iron1.60.02dust emissions intoambient airkg/d546 (after dedusting,emission

12、 limit: 50mg/m3 (stp)144 (without furtherdedusting)description: enclosed transport route for the hot metal; minimal space betweenmolten metal and covers; flooding with nitrogen, if necessaryreference: emission control at stationary sources in the federal republic of germany,volume ii, dfiu/ifare 199

13、7french-german institute for environmental research, university of karlsruhe9conventional casting bay dedusting system1 blast furnace2 main iron and slag runner3 pig iron runner with transfer points4 slag runner with transfer points5 suction hoods + ducts6 electrostatic precipitator7 fan8 stack12345

14、678555reference:emission controlat stationary sourcesin the federal republicof germany,volume iidfiu/ifare 1997french-german institute for environmental research, university of karlsruhe10economic aspects of dust suppression systemsreference: eippcb iron & steel bref january 1999french-german in

15、stitute for environmental research, university of karlsruhe11control of secondary emissionsprimary hoodsecondary hoodconverterpig iron ladleprimary and secondary off-gases from a converterfrench-german institute for environmental research, university of karlsruhe12collection efficiency of secondary

16、emissionsexample:basic oxygensteelmakingreference:eippcbiron & steelbrefjanuary 1999french-german institute for environmental research, university of karlsruhe13summary depending on the sector, major contributions result from fugitive emission sources. process integrated measures often entail multi-pollutant emission reduction. eop measures: encapsulation of dust emission sources can lead to significant advantages compa