城市污泥与稻草堆肥中多环芳烃的研究

1)莫测辉蔡全英吴启堂(,,510642)王伯光黄焕忠(,,510620)(,)4,GC/MS(PAHs),PAHsPAHs.4PAHs208328435mgkg-1,(28435mgkg-1(7303mgkg-1)(4808mgkg-1)(2083mgkg-1),020mgkg-1.PAHs655%9320%(6500%),90%.PAHs.:,,,.().,.,,(PAHs).PAHs.,,,PAHs.,GC/MSPAHs,.111(64,/),17314gkg-1(,),2960gkg-1,1335gkg-1,2143gkg-1,EC2519mScm-1,817%.1)(39870435)(970011)(199716)Rockefeller.21220023ENVIRONMENTALCHEMISTRYVol.21,No.2March2002,31220gkg-1,582gkg-1,122%.(420cm24cm).()Organica.41.,70%,(20m15m20m),,(60cm,0100).1(kg,)Table1Differentcompostingmethodsformunicipalsludgeandricestraw/mI/m3C/N1750160202522813/127501604520022813/1360013073182020013/1460013073182020013/1:.,5d1.(),500.4h,,75min15min,4h.1999618,813(56d).,1mm.12PAHsGC/MS20g,(11,V/V)(24h),,,,..,.d10d5.PAHs(2(a)(b)(k)(a)(BaP)(123cd)(a,h)(ghi))500gml-1,20l,445l99l,d10,100l,100gml-1,2225gml-14445gml-1,4545gml-1,ULTRAScientific,Inc.,NorthKingstown,RI..PAHsGCMS(USEPA)97001.:HP5890,:HP5972A,:HP125m022mm011m,:(He),:35kPa,0615mlmin-1,245kPa.:45200(60min-1)300(80min-1),1332::250,:280,:300min,:3933min.,1l.(EI),(EMV):1800eV,(m/z):50550amu.GCMSD(5972AHP).,(Pripol.L,Nbs75kL),80%,.,.(d10)6542%8774%.221PAHs(PAHs)carc4172.PAHs(PAHs)208328435mgkg-1,,PAHs(30429mgkg-1).3PAHsPAHs(110mgkg-1)[1,2],!sPAHs232mgkg-1[3].2(mgkg-1)Table2PAHscontentsofmunicipalsludgeanditscompostingproducts1(2)1263075404270119006122(2)0139013700640031Nd3(2)Nd00310036NdNd4(2)NdNdNdNdNd5(2)063117020366064847916(3)109806240206007465927(3)274335251335035960768(3)Nd201461053014207609(4)0209017602050120150710(a)*(4)0200012502080110393711*(4)0065004804130178216212(b)*(4)0010001300560042095213(k)*(4)0222003102890186167814B(a)P*(5)0710111901380059064615(123cd)*(5)0003000300070007047716(a,h)*(5)0003NdNdNd021917(ghi)*(6)00070001000500080571PAHs7303284354808208330429(PAHs)carc142915161321071012149(PAHs)3/(PAHs)44111776264193150:Nd,0007gkg-1;PAHs17PAHs;(PAHS)carc*PAHs;(PAHs)3/(PAHs)434;.13421PAHs(2*)((PAHs)carc)07101516mgkg-1,(12149mgkg-1),PAHs.(PAHs)carcPAHs40%,5%34%.22PAHs,PAHs(20146mgkg-1),3525mgkg-1(),05mgkg-1.10mgkg-1B(a)P.310mgkg-1,510mgkg-1.(b)(123cd)(a,h)(ghi)癦在各种堆肥中的含量都较低或未检测.,3()4(BaP)2()10mgkg-1,02mgkg-1(2).BaP(30mgkg-1).23PAHs,PAHs,.,PAHs(1).,PAHs3763%1733%1494%;,PAHs708%;,PAHs278%2155%;,PAHs3130%1734%.PAHs,3.,,PAHs(1),,3,24.(3)(4)((PAHs)3/(PAHs)4)(2),20(150264),,(4111776),.24PAHs,PAHs:=[(-)/]100%,PAHs,.,PAHs,,PAHsPAHs,PAHs,PAHs.PAHs(3).1352:3,PAHs,3PAHs76%,(9315%)(8420%)(7600%)(655%).(PAHs)carc90%.1PAHs(2)Fig1DistributionpatternsofPAHsindifferentcompostsofGuangzhoumunicipalsludgeandricestrawPAHs,80%,90%.90%(a)(b)(123cd)(a,h)(ghi).(k)BaP90%.,2,,BaP.,PAHs.3(%)Table3EffectofcompostingtreatmentsondegradationofPAHsinmunicipalsludge1++++22++++3++45868364489236864768334905396889888754864198780394098100++81321362139861388328640920410(a)949296829472972111970097788090917712(b)989598639412955913(k)867798158278889214BaP++7864908715(123cd)993799379853985316(ah)986310010010017(ghi)9877998299129860PAHs760065584209315PAHscarc8824875289139416:;+0.215PAHsPAHsPAHs.PAHs.PAHs,PAHs3.,PAHsPAHs[4].(3),(102032cd)(a0h)(ghi)..,22,.,([5,6]),.,35BaP,.,PAHs.PAHs,(18%)(75%),.,,(30min[7]),PAHs.,PAHs.3PAHs,PAHs0150mg#kg-1.PAHs,PAHs21083mg#kg-1,PAHs0120mg#kg-1,2PAHsPAHs90%.1372:[1]WildSR,JonesKC,PolycyclicAromaticHydrocarbonsUptakebyCarrotsGrowninSludge2AmendedSoil.J.Environ.Qual.,1992,21B217)225[2]SmithSR,AgriculturalRecyclingofSewageSludgeandtheEnvironment.Wallingford:CABInternational,1996,pp207)236[3]JonesKC,StratfordJA,WaterhouseKSetal.,OrganicContaminantsinWelshSoils:PolycyclicAromaticHydrocar2bons.Environ.Sci.Technol.,1989,23B540)550[4]RonaldFLewis,SiteDegradationofSlurry2PhaseBiodegradationofPAHsContaminatedSoil.J.AirWasteManag.As2soc.,1993,43(4)B503)508[5]LodoviciM,AkpanV,CasaliniCetal.,PolycyclicAromaticHydrocarbonsinlaurusLeavesasMeasureofAirPollutioninUrbanandRuralSitesofTuscany.Chemosphere,1998,36(8)B1703)1712[6]KipopoulouAM,ManoliE,SamaraC,BioconcentrationofPolycyclicAromaticHydrocarbonsinVegetablesGrowninanIndustrialArea.Environ.Pollut.,1999,106B369)380[7],.,,,.3,:,1995,pp319)3492001330.ASTUDYONPAHsINCOMPOSTSOFMUNICIPALSLUDGEANDRICESTRAWMOCe2huiCAIQuan2yingWUQi2tang(CollegeofResourcesandEnvironment,SouthChinaAgriculturalUniversity,Guangzhou,510642)WANGBo2guang(GuangzhouInstituteofEnvironmentalScienceandProdection,Guangzhou,510620)JonathanWCWang(DepartmentofBiology,HongKongBaptistUniversity,KawloonTang,HongKongSAR)ABSTRACTFourcompostingtreatmentsincludingmanualturning,inoculating2manualturning,continuousaeration,andintermittentaerationformunicipalsludgeandricestrawwerecarriedout.Polycyclicaromatichydrocarbons(PAHs)indifferentcompostsweredeterminedbyGC/MS.Totalcontentsof17PAHscompounds(2PAHs)incompostsrangedfrom21083mg#kg-1to281435mg#kg-1,whichdecreasedintheorder:inoculating2manualturning(281435mg#kg-1)manualturning(71303mg#kg-1)continuousaeration(41808mg#kg-1)intermittentaeration(21083mg#kg-1).Aeration2compostingespeciallyintermittentaerationcompostingwasmoreefficienttodegradePAHsinmuni2cipalsludgethanothertreatments,withdegradationratesofmorethan90%for2PAHsa