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DMF(350003)DMF,DMF,,DMFTechniqueonDMFWasteGasTreatmentFromSyntheticLeatherProductionLineofDryTypeOUHaifeng(FujianInstituteofEnvironmentalProtectionDesignFuzhou350003)AbstractTechniquesonDMFwastegastreatmentfromsyntheticleatherproductionlineofdrytypeareintroduced,andespeciallyanalysesonprocessdesignandapplicationperformanceareconductedinwhichDMFwastegasistreatedandrecoveredwithwashingabsorptionmethod.Therunningresultshowsthatthistechniqueissuperiortoothertechniquesoneconomicbenefits,purificationefficiency,energysavingandconsumptiondecreasing,automationlevel,andsoon.KeywordsdrytypeDMFwashabsorption12,(DMF),,60170,DMF,95%70%DMF30%(),85%,,,DMF,DMF,,,PUDMFTOL,m30.0840.105kg(DMF70%),111kg(DMF)1250+36016101,280d,DMF350t,100.8t,1480,DMF,2DMF2.1DMFDMF:,75,;,1DMF22.5m3/h;;DMF2.2::,;/:;:2.2.1,,,,600800,,;,,,2.2.2,300450,,DMF,,,DMF2.2.3(50)(510-4),DMF23IndustrialSafetyandEnvironmentalProtection2006325May2006510-4,50,,2(1,1),,,,DMF2.2.4(),,310-2510-9,,50%,98%[1],,2,DMF,,DMF,DMF,DMF,,DMFDMF,DMF90%,,22.5[2]2,10-61201200.25350/(mh-1)170085000170017000170850003400/(m-3h-1)612121479719413DMF3.1(1)DMF,DMF(2)DMF;,,;,;85%;15a3.2(1),,DMF,PLC+:DMF1.5g/m3,DMF98%,DMF80%,90%0.81.2kPa,50%;5060m2,10,,,,,15a(2):DMF,,,,:(),DMF,,,,,/,DMF,,DMF,DMF,,,,,DMF,DMF:DMF18%25%,PLC,;,PLC[3]:,,,,,,,,,,44.12DMF,280d,DMF565t/a,DMF80.75%,33/0.60/336560kW20.21.2/m34480m30.541300/23.127%,15a6.003%2.70DMF700/t38.6471.20.1293,1000kgDMF0.129,DMF3800/t,4(58)33(3),:;;2.6.2.2(1),(2),,2.6.2.3,,,2.6.2.4,,,,,,2.6.2.5,,,,3:(1);(2),;(3),,,;(4);(5);(6),4,,,,1,..(),1996,20(4):90942,..,2005,31(1):13..:,2003.36424,GB18218-2000.5,..:,20016,,..,2004(6),1979,,,,;,1943,,;,1976,,;,1982,,(:20051114)(33)4,2DMF,143.5,100d4.3,,2,DMF,4DMFDMF(1.250.850.952)280565t/aDMF0.38/t5650.38-71.2143.5/a(2)7080.75%,565t/a,,,,,1..:,19982()(P.N.Cheremisinoff),()(R.A.Young)..:,19843()YENHSINGKIANG.:,1993,,1972,,(:20051108)85