厨余垃圾好氧堆肥与污泥厌氧消化一体化处理李果

93Vol．9No．320153ChineseJournalofEnvironmentalEngineeringMar．201511*1211．4000452．4000458～17．2℃17．2～50℃91．0±1．8%85．1±5．2%pH5．92～7．40VS/TS0．78±0．060．60±0．1215153．5～347．5U/gDW。25～35℃99．2±0．3%96．0±1．5%pH6．77～6．97VS/TS0．66±0．070．44±0．11。44．7±8．6L61．32±4．68%40．98～1．78U/mL。。X703A1673-9108201503-1381-08IntegratedtreatmentofkitchengarbageaerobiccompostingandsludgeanaerobicdigestionLiGuo1HeQiang1WuZhengsong12PengChen11．KeyLaboratoryofThreeGorgesＲeservoirＲegion’sEco-EnvironmentMinistryofEducationChongqingUniversityChongqing400045China2．NationalCentreforInternationalＲesearchofLow-CarbonandGreenBuildingsChongqingUniversityChongqing400045ChinaAbstractAerobiccompostingofkitchenwasteandanaerobicdigestionofsewagesludgewereinvestigatedsimultaneouslyinanintegratedreactor．TheresultspresentedthatmoisturecontentandVS/TSofcompostablewastedereasedfrom91．0±1．8%and0．78±0．06to85．1±5．2%and0．60±0．12respectivelywhentheambienttemperatureandtemperatureofgarbagecabinfluctuatedatbetween5．92～7．40and17．2～50℃．AlsopHofcompostablewastemaintainedat5．92～7．40andtherelevantproteaseactivitystabilizedaround153．5～347．5U/gDWafter15d．Bycontrastwhenthetemperatureofsludgecabinrangedfrom25to35℃duringtheoperationmoisturecontentandVS/TSofeffluentsludgedecreasedfrom99．2±0．3%and0．66±0．07to96．0±1．5%and0．44±0．11．MeanwhilewhilepHofsludgemaintainedat6．77～6．97andtherelevantproteaseactivitystabilizedaround0．98～1．78U/mLafter4d．Averagedailygasproductioninsludgecabinwas44．7±8．6Land61．32±4．68%oftheseproducedgaswasmethane．Insumtheintegratedreactorinthestudyachievedthethecollaborativetreatmentofkitchenwasteandsewagesludge．Andheatprocudedbytheaerobiccompostingofkitchenwastecouldeffectivelymeetthenecessarytemperatureinsludgeconcentrationanddigestion．Keywordssludgeanaerobicdigestiongarbageaerobiccompostingintegrationreactorcollaborativetreatmenttemperature2012ZX07307-001106112012012CDJZＲ215504CDJXS112100082014－01－152014－03－191985—。[e-mail]*[e-mail]、、、、1-3。495-7。。Ｒathod8γGarcía9Karnchana-wong1011Zhang12Covinato13。。。11．11415710L16。、、525L56L20L6L3L600L。1。1Fig．1Schematicdiagramofreactor1．220121220132。SBＲ30%33L/d、2～3d90～100kg。1。1Table1MainpropertiesofexperimentalsludgeandgarbagepH%VS/TSmg/LSCODmg/LVFAmg/Lt/m36．17～7．9898．0～99．80．58～0．79223．8～765．192．5～152．677．2～180．5—5．92～7．4087．0～91．20．62～0．88———0．611．31．3．150LpH6．80500mg/L10～15L4d。12．5%14L28313SＲTpH、VFA。1．3．2。。。2。2Fig．2Flowsheetoftheexperiment、。。、2。2Table2Maindetectiveindicatorsandmethods、900XTA-7000、2103～105℃pH、2、2-VFAVFA、2-VFAVS/TS、2600℃SCOD、25、、522．1、17。18。、38℃17．2℃536℃29．8℃。17．2～50℃3Fig．3Temperaturevariationinreactor17．2～35℃30℃。38319。。2．2。498．0%～99．8%99．2±0．3%91．4%～97．3%96．0±1．5%97%～98%19H/D=3．5。87．0%～91．2%91．0±1．8%71．19%～93．42%85．1±5．2%。4Fig．4Variationofmoisturecontent2．3pH、pHpHpH6．5～7．8pH20-22。5pH6．17～7．986．77～6．97pH5．92～7．40pHElango23。5pHFig．5VariationofpHpH2000mg/LCa-CO3。6a223．8～765．1mg/L。1637．3mg/L2199．1mg/LCH4CO217VFA1750mg/L。VFAVFAVFApH22。VFA6bVFA77．248313～180．5mg/LVFA85．8～173．4mg/L。4VFAVFA5VFAVFA160mg/L。6VFAFig．6AlkalinityandVFAvariationinsludge2．4VSTS24。VSTSVS/TS。VS/TS7VS/TS0．58～0．790．66±0．070．27～0．600．44±0．1133．2%7VS/TSVS/TSVS/TS。VS/TS0．62～0．880．78±0．06VS/TS0．34～0．800．60±0．1222．4%。VS/TS。7VS/TSFig．7VS/TSvariationinsludgecabinandgarbagecabin2．5CODCODSCOD25。SCOD8SCOD92．5～152．6mg/L208．7～263．6mg/L213．9～302．2mg/L250mg/L。SCOD。15SCODSCOD58319。SCOD。8SCODFig．8SCODvariationinsludgecabin2．62CO2H2OCO2H2。44．7±8．6L/d961．32±4．68%32．81±3．91%CO24．63±0．95%1．24±0．39%。9Fig．9Volumefractionofbiogascomponents2．750%～60%26。1040．98～1．78U/mL1517．9～94．4U/gDW153．5～347．5U/gDW。10Fig．10Proteaseactivityvariationinsludgecabinandgarbagecabin31。225～35℃99．2±0．3%96．0±1．5%VS/TS0．66±0．070．44±0．11pH6．77～6．9744．7±8．6L/d61．3268313±4．68%。3、。4。1inarS．OnayT．T．ErdinlerA．Co-disposalalterna-tivesofvariousmunicipalwastewatertreatment-plantslud-geswithrefuse．AdvancesinEnvironmentalＲesearch200483-4477-4822DolgenD．AlpaslanM．N．DelenN．Agriculturalrecy-clingoftreatment-plantsludgeAcasestudyforavegeta-ble-processingfactory．JournalofEnvironmentalManage-ment2007843274-2813JorgensenS．E．FathB．EncyclopediaofEcology．Ox-fordElsevier20083227-32424ZhangDongqingTanS．K．GersbergＲ．M．MunicipalsolidwastemanagementinChinaStatusproblemsandchallenges．JournalofEnvironmentalManagement20109181623-16335．．200513241-43WangXianghuiLiGuangweiMengHongetal．Discus-sionontreatmentstatusoffoodresidue．EnvironmentalSanitationEngineering200513241-43inChinese6ChangJ．I．HsuT．E．Effectsofcompositionsonfoodwastecomposting．BioresourceTechnology200899178068-80747．．2012313626-630NiuJunlingZhengBinguoLiangLizhen．Changeofcar-bonsubstancecharacteristicsduringthecompostingofkitchenwastesandwheatstraw．JournalofAgro-Environ-mentScience2012313626-630inChinese8ＲathodP．H．PatelJ．C．ShahM．Ｒ．etal．Ｒecy-clinggammairradiatedsewagesludgeasfertilizerAcasestudyusingonionAliumcepa．AppliedSoilEcology2009422223-2339GarcíaA．J．EstebanM．B．MárquezM．C．etal．Bi-odegradablemunicipalsolidwasteCharacterizationandpotentialuseasanimalfeedstuffs．WasteManagement2005258780-78710KarnchanawongS．SuriyanonN．Householdorganicwast