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:025322468(2001)20120095206:X703:A1,1,1,1,2,2,2(1.,210095;,210036):,.:,,87%,19%35%.38%,Vc.NO-3.,..,40.:;;;;Landapplicationofsteam2explodedsludgeandthesludgecompoundfer2tilizerZHOULixiang1,ZHANXinhua1,SHENQirong1,CHENJinhe1,WANGBin2,ZHANGQiang2,TAOXianbing2(1.NanjingAgriculturalUniversity,Nanjing210095;2.NanjingJiangxinzhouSewageTreatmentPlant,Nanjing210036)Abstract:Sewagesludgewaspretreatedbysteamexplosionandthendevelopedintotheorgano2inorganiccompoundfertilizerthroughincorporatingwithagivenamountofchemicalfertilizers.ThefieldexperimentwasconductedtoassesstheeffectofpretreatedsludgeandthecompoundfertilizeronthenoheadingChinesecabbageyield,soilfertilityandnutrientbioavailability.Theprocessofsteamexplosioncaneliminatepathogenanddisgustedodorinsewagesludgewithinarelativeshorttime.ThelossoftotalorganicC,NandPofsewagesludgeisnegligiblebysteam2explodedtreatment,butthedissolvedorganicC,availableNandPinthepretreatedsludgecanbeincreasedsignificantlyby87%,19%and35%,respectively.Comparedtoinorganiccompoundfertilizeronbasisofequalnu2trientinput,theapplicationofthesludgecompoundfertilizerelevatedvegetableyieldby38%,thebioavailablityofNandPandre2ducednitratecontentinplantbyabout50%.ThehigherconcentrationofVcandtotalsugarintheplantsgrownintheplotsamendedwithsludge,pretreatedsludge,andsludgecompoundfertilizerwerealsoobservedinthisstudy.Keywords:sewagesludge;steamexplosion;compoundfertilizer;vegetable;soil:2000202203;:2000207223:(39830220);948(991088);(20000009):(1965),,()..1999,1998,398,.,.,,[1,2]..21120011ACTASCIENTIAECIRCUMSTANTIAEVol.21,No.1Jan.,2001,[3].,,,.,.,,[46].,,,(),..,,,.11.1,30%.500kg(150,5kg/cm2)4min,,.,,,,40%,26%,.1.2.,.(CK0)(CK1)(SCF)(SS)(ES)5,3,15,,25m2(2.5m10m).25%.CK1SCF(223.5kg(N)/ha,223.5kg(P2O5)/ha200kg(K2O)/ha),,;SSESNP2O5K2O24427374kg/ha,85%,,(15%).SSES()CK1SCF,.,210,19981021,1999124,.10,,,9015min,65,,,.,(010cm),20,100.1.1.3NH2SO4,N;PHClO42H2SO4,;;N;POlsen,;CuZnDTPA,CuZnHF2HNO32HClO4,(AAS).6921.1Table1Preliminaryphysico2chemicalpropertiesofselectedsludgeandsoilpH,g/kg,mg/kgNP2O5CuZnPbCd7.203810.891.539.702713719.80.246.9029.831.837123113361292.2NPKH2SO42H2O2,N,P;CuZn,2AAS;Vc2,62;,;NH2SO42.NPK,.[7].22.1CNP1Fig.1YieldsofnoheadingChinesecabbagegrownindifferenttreatmentplots,,.,,.2,,2Table2Effectofsteam2exploredtreatmentonthecontentoforganicC,N,P,andF.Coliinthesludgeandtheirtransformation,g/kg,mg/kgNPNP,/g21629.813.9900059341.4110521329.113.41680070460.,(DOC)87%,19%35%.(DOM),.DOM2,[810].,,.2.2NP1(SSES).,,24%,,.,,791:,[11].,,.1,,,38%.2Fig.2RecoveryofNandPinsludgeandcom2poundfertilizerbynoheadingChinesecabbageNP(2),NP28%8.4%,23%6.4%,.,,[12],,,.N,P,.2.3,.,[13].,PbCd5.(CK0),6.8t/ha(SSES)2.5t/ha,CuZn(3).[11]..,500mg.,()300mgNO3-/kg,700mg/kg[14].3,,37%318%.,(CK1),870mg/kg,;.,,Vc32%28.5%.(CK0),.3Table3ThepollutantsandnutritionqualityofnoheadingChinesecabbagegrowninthedifferenttreatmentplotsCK0CK1SCFSSESCu,mg/kg(DW)3.17c4.83a3.67ab4.00ab3.33bcZn,mg/kg(DW)44a37a39a41a42aNO3-,mg/kg(FW)274c872a443b376b438bVc,mg/100g(FW)51a37b49a51a51a,g/kg(FW)14.7c16.4bc21.1a16.3bc17.5b89212.4,,(4),,.,[15].,,.,.4Table4Effectsofsteam2explodedsludgeandthecompoundfertilizermadeofsludgeonsoilchemicalproperties,g/kgNP,mg/kgNPDTPACuZnCuZnCK09.68c0.86a0.67a61b97c39b136ab2.65a0.82cCK19.53c0.98a0.71a62b159ab37b116b2.50a0.82cSCF10.4b0.94a0.71a70a190a41ab138a2.39a1.06bcSS10.6ab0.98a0.71a69ab148b42ab141a2.35a1.61aES11.0a0.96a0.74a73a155b44a137ab2.77a2.01ab(P=0.05).4CuZn,,,,Zn.,.(15%30%,26%),,,.,1t/ha,1985,,2t,30t/ha,20[16].,()(PbCdCrHgAs),Zn(10002000mg/kg),Cu(300500mg/kg),Cu,Zn,Zn..3.,.38%,,Vc30%.,,.,.991::[1].[J].,1994,13(6):271274[2],,,.[J],1990,9(6):3034[3]USEPA.Landapplicationofsewagesludge:AguideforlandappliersontherequirementsoftheFederalStandardsfortheuseordisposalofsewagesludge,40CFR,Part503[Z],US.1993[4]MillerBF.Extrudinghatcherywaste[J].PoultrySci,1984,63:12841286[5]RamosLP,BreuilC,andSaddlerJN.Comparisonofsteampretreatmentofeucalyptus,aspen,andsprucewoodchipsandtheirenzymatichydrolysis[J].ApplBiochemBiotech,1992,34/35:3748[6]MatsuzakiOIS,K,TanakaT,HzukaM,etal.Effectofsteamexplosiontreatmentonenzymatichydrolysisofpalmcakeandfiberassolidwastesandnaturalresources[J].JFermentBioeng,1994,77(3):326328[7].()[M].:.1992[8]OhnoT,CrannellBS.Greenandanimalmanure-deriveddissolvedorganicmattereffectsonphosphorussorption[J].JEnvironQual,1996,25:11371143[9]TemminghoffEJM,VanderZeeSEATM,DeHaanFAM.Coppermobilityinacopper2contaminatedsandysoilasaffectedbypHandsolidanddissolvedorganicmatter[J].EnvironSciTechnol,1997,31:11091115[10]LamyI,BourgeoisS,BermondA.Soilcadmiummobilityasaconsequenceofsewagesludgedisposal[J].JEnvironQual,1993,22:731737[11],,,.[J].,1999,19(2):185193[12].:[M].:.1996[13]McGrathSP,ChangAC,PageAL,etal.Landapplicationofsewagesludge:scientificperspectivesofheavymetalload2inglimitsinEuropeandtheUnitedStates[J].EnvironRev,1994,2:108118[14].[M].:.1995.278279[15]EpsteinE.Effectofsewagesludgeandsludgecompostappliedtosoilonsomesoilphysicalandchemicalproperties[J].JEnvironQual,1976,5(4):422426[16]GB4284284.[S].198500121