城市污泥堆肥过程中堆体表面沉降及减容率的研究岳波

512Vol．5No．12201112ChineseJournalofEnvironmentalEngineeringDec．20111222221．1000122．100101、VS。∶1∶1、、VS∶1∶1、。∶1∶1∶1∶1、VS。VSX705A1673-9108201112-2849-05StudyonpilesurfacesettlementsandvolumereductionratiosduringsewagesludgecompostingYueBo12ChenTongbin2ZhengGuodi2GaoDing2LiuBin21．ResearchInstituteofSolidWasteManagementChineseResearchAcademyofEnvironmentalSciencesBeijing100012China2．CenterforEnvironmentalRemediationInstituteofGeographicSciencesandNaturalResourcesResearchChineseAcademyofSciencesBeijing100101ChinaAbstractThroughdeterminationofthecompostingsurfacesettlementdynamicvariationscombinedwiththecompostingtemperaturemoistureandvolatilesolidsVScontentchangesthepilesurfacesettlementsandreductionratiosanditsinfluencefactorwerestudied．Theresultsshowthatsewagesludge∶bark1∶1treatmenthadabettereffectforsterilizationbiologicaldryingandorganicmatterdegradationthansewagesludge∶corn-stalks1∶1treatmentintheaspectoftemperaturerisingratemaximumtemperaturehightemperaturelastingtimewatercontentandVScontentremovalrate．Pilesurfacesettlementsshouldbedividedintophysicalcom-pactionsettlementandorganicmatterdegradationsettlement．Moreoversewagesludge∶bark1∶1treatmenthadalowerphysicalcompactionsettlementthansewagesludge∶cornstalks1∶1treatmentwhichwascausedbytheworsesupportingeffectsprovidebythecornstalksasanamendments．AsaresulttheformertreatmenthadalowerorganicmatterdegradationsettlementthanthelatteroneswhichwascorrelatedwiththefactorsofcompostingtemperaturewatercontentandVScontentremovalrate．Keywordspilesurfacesettlementbulkvolumereductionratiocompostingtemperaturewatercontentvolatilesolidcontent200909042509082202010－06－132010－08－271980～。[e-mail]1。、2。534。5。。、6。。、。11．182%990kg/m3VS54.3%。4～7cm3～6cm。30.2%185g/cm3VS89．4%22.1%49g/cm3VS90.6%。1．2、CTBCompsoftV2．07。1．31.5m×1.2m×1.7m××。211∶1V/V73%VS56.1%21∶1V/V69.9%VS57.4%。121.4m。0.6m0.8m2。0.51.0m10cm。20051224d。121mm。4dVS。70℃8。VS70℃550℃6h。VS。22．11Fig．1Piletemperaturevariationsincompostingprocess1。11∶11∶1《GB7959-87》50～55℃5～7d55℃3d。1∶11∶169.760.9℃。1∶11∶155℃9.57d058212。2．2VS910。24d2。∶1∶173%46.7%36%∶1∶169.9%56.8%18.7%。。VS。24dVS3。∶1∶1VS56.1%43.5%VS22.5%∶1∶1VS57.4%47.3%VS17.6%。VS。2Fig.2Materialsmoisturecontentvariationsincompostingprocess2．36。4。4ab24d。∶1∶13VSFig．3Materialsvolatilesolidcontentvariationsincompostingprocess0.388m∶1∶10.449mP＜0.05。212611。4Fig．4Pilesurfacesettlementvariationsincompostingprocess158255。5∶1∶1∶1∶1y=－0．380×exp－x/0．270－0．011R2=0．98y=－0．610×exp－x/0．240－0.012R2=0.99。212。5Fig．5Pilesurfacesettlementvelocityvariationsincompostingprocess0.0001m/d。∶1∶1∶1∶12.5d2.3d。∶1∶1∶1∶1。Schaub-Szabo12McCartney13。∶1∶1∶1∶1－0．0124m/d－0．0109m/d。。45∶1∶1∶1∶10.1520.238m10.9%17%0.2360.211m16.9%15.1%。24d∶1∶1∶1∶10.3880.449m27.7%32.1%。2．4、VS、、、、、11。McCartney13O2。O2、CO210。、O2、。41、2VS3∶1∶1∶1∶1、、、VS。∶1∶1、258212VS。∶1∶11、234。3∶1∶1、、VS∶1∶1、。。212。∶1∶1∶1∶12.5d2.3d。∶1∶1∶1∶10.152m0.238m10.9%17%0.2360.211m16.9%15.1%0.388m0.449m27.7%32.1%。∶1∶1∶1∶1。1．．2003235561-569ChenT．B．HuangQ．F．GaoD．etal．HeavymetalconcentrationsandtheirdecreasingtrendsinsewagesludgeofChina．ActaScientiaeCircumstantiae2003235561-569inChinese2．．2010451167-1170JiangJ．G．YangY．JiaY．etal．Effectofamend-mentsandair-flowonbiodryingofdehydratedsewagesludge．ChineseJournalofEnvironmentalEngineering2010451167-1170inChinese3LarneyF．J．OlsonA．F．CarcamoA．A．etal．Phys-icalchangesduringactiveandpassivecompostingofbeeffeedlotmanureinwinterandsummer．BioresoureTechnolo-gy2000752139-1484BrodieH．L．CarrL．E．CondonP．Acomparisonofstaticpileandturnedwindrowmethodsforpoultrylittercompostproduction．CompostScienceandUtilization200083178-1895BreitenbeckG．A．SchellingerD．Calculatingthereduc-tioninmaterialmassandvolumeduringcomposting．Com-postScienceandUtilization2004124365-3716VanGinkelJ．T．RaatsP．A．C．VanHaneghem．Bulkdensityandporositydistributionsinacompostpile．Nether-landsJournalofAgriculturalScience1999472105-1217．-．2004252140-144LuoW．ChenT．B．GaoD．etal．Thestratificationofmoisturecontentanditsdynamicsinco-compostingofsew-agesludgeandpigmanure．EnvironmentalScience2004252140-144inChinese8RynkR．Monitoringmoistureincompostingsystems．Bio-Cycle2000411053-579JewellW．J．DonderoN．C．VanSoestP．J．etal．Hightemperaturestabilizationandmoistureremovalfromanimalwastesforby-productrecovery．Finalreportpre-paredforthecooperativestateresearchserviceUSDAWashingtonDC．ProjectnumberSEA/CR616-15-168．1984．16910HaugR．T．ThePracticalHandbookofCompostEngi-neering．LewispublishersBocaRatonFlorida199311VeekenA．、．2004234791-795ChangZ．Z．VeekenA．Effectsoftemperatureonthestructureofacompostbed-compressporosityandperme-ability．JournalofAgro-EnvironmentScience2004234791-795inChinese12Schaub-SzaboS．M．LeonardJ．J．Characterizingthebulkdensityofcompost．CompostScienceandUtiliza-tion19997315-2413McCartneyD．ChenH．T．Usingabiocelltomeasureeffectofcompressivesettlementonfreeairspaceandmi-crobialactivityinwindrowcomposting．CompostScienceandUtilization200194285-3023582