改进型上流式反应器中剩余污泥快速水解酸化研究刘帅强

[e-mail]1212121．5100062．510006。pH1035℃7d36h。CODSCODVFA978．3～1013．7mg·L－1457．7～512．7mgCOD·L－114．0%。NH3-NSP112．0～128．7mg·L－140．6～53．6mg·L－1。S216．4A1000－1166201103－0017－03StudyonQuickHydrolysisandAcidificationofWasteActivatedSludgebyImprovedUpflowReactor/LIUShuai-qiang12ZHOUXing-qiu12WUJian-dong12/1．CollegeofEnvironmentalScienceandEngineeringSouthChinaUniversityofTechnologyGuangzhou510006China2．KeyLabofPollutionControlandEcosystemRestorationinIndustryClustersMinistryofEducationSouthChinaUniversityofTechnologyGuangzhou510006ChinaAbstractQuickhydrolysisandacidificationofwasteavtivatedsludgefromthewastewatertreatmentplantwasstudiedinaimprovedupflowreactor．Theprocesscharacteristicsofproducingcarbonsourcebythewasteactivatedsludgewasinvestiga-ted．TheexperimentalresultsshowedthatthereactorhadstablehydrolysisandacidificationeffectundertheconditionsofpH10Temperature35℃HRT36hSRT7d．TheSCODandVFAofeffluentswerebetween978．3～1013．7mg·L－1and457．7～512．7mgCOD·L－1respectively．Thehydrolysisefficiencycanreach14．0%．Theammonianitrogenandphos-phorusofeffluentswerebetween112．0mg·L－1～128．7mg·L－1and40．6mg·L－1～53．6mg·L－1respectively．KeywordswasteavtivatedsludgehydrolysisandacidificationvolatilefattyacidVFAupflowreactor。、。1～2。、VFA3。。pH10。11.130cm30cm15L。。35±1℃。1。71ChinaBiogas201129311.24～835℃pH107d36h80r·min－1。SCODTCODSCODVFA。。1.3。。1。1pHMLSSg·L－1MLVSSg·L－1TCODmg·L－1SCODmg·L－1NH3-Nmg·L－1SPmg·L－16．6～6．812．04．37435．648．128．319．21.4pHMLSSMLVSSSCODTCODNH3-NSP9VFA。SCODVFA4000r·min－1100．45μmSCODVFA。2CODVFA22.1SCODVFASCODVFA。SCODVFA2。。SCOD15SCOD。5SCOD15。SCOD1000mg·L－1191013．7mg·L－1。VFASCOD19512．7mgCOD·L－1。2SCOD100mg·L－1。TCOD7000～8000mg·L－1。2.2SCODTCOD。3。3VFA/SCOD313。1081ChinaBiogas201129330℃24h3．6%。312%14．0%。12。2.3SCODVFASCODVFA。3SCODVFAVFA/SCOD17VFAVFA。2151．4%。SCODVFA。2.4、。NH3-NSP。NH3-NSP4。4NH3-NSP4NH3-N115。3NH3-NNH3-NNH3-N112．0～128．7mg·L－1。SP10d40．6～53．6mg·L－1。21pH1035℃SRT7dHRT36h。2SCODVFA1013．7mg·L－1512．7mgCOD·L－114．0%。3NH3-NSP112．0～128．7mg·L－140．6～53．6mg·L－1。1TongJChenYG．Enhancedbiologicalphosphorusre-movaldrivenbyshort－chainfattyacidsproducedfromwasteactivatedsludgealkalinefermentationJ．EnvironSciTechnol2007417126－7130．2．J．20102675－8．3YuanHYChenYGZhangHXetal．Improvedbio-productionofshort－chainfattyacidsSCFAsfromex-cesssludgeunderalkalineconditionsJ．EnvironSciTechnol2006402025－2029．4．J．2009252334－37．5YuanQSparklingROleszkiewiczJAetal．WasteactivatedsludgefermentationEffectofsolidsretentiontimeandbiomassconcentrationJ．WaterRes200943205180－5186．6MironYZeemanGVanLierJBetal．Theroleofsludgeretentiontimeinthehydrolysisandacidificationoflipidscarbohydratesandproteinsduringdigestionofpri-marysludgeinCSTRsystemsJ．WaterRes20003451705－1713．7YuHQZhengXJHuZHetal．High－rateanaero-bichydrolysisandacidogenesisofsewagesludgeinamodifiedupflowreactorJ．WatSciTechnol200348469－75．8ElefsiniotisPOldhamWK．AnaerobicacidogenesisofprimarysludgeTherolesolidsretentiontimeJ．Bio-techBioeng19944417－13．9．4M．2002．10．J．200925195－11．91ChinaBiogas2011293