采用改性PVC填料的生物膜法污水处理实验研究宁苇杭

3111Vol．31No．11JournalofChongqingUniversityofTechnologyNaturalScience201711Nov．20172017－07－19BY114C0061986—[e-mail]。．PVCJ．201711135－138．CitationformatNINGWeihangCHENZhiliYANGYi．ExperimentalStudyonBiofilmSewageTreatmentwithModifiedPVCFillerJ．JournalofChongqingUniversityofTechnologyNaturalScience201711135－138．doi10．3969/j．issn．1674－8425z．2017．11．020PVC401311PVCCOD、、、。30℃10∶1。PVCX703A1674－8425201711－0135－04ExperimentalStudyonBiofilmSewageTreatmentwithModifiedPVCFillerNINGWeihangCHENZhiliYANGYiDepartmentofMilitaryArchitecture＆Planning＆EnvironmentEngineeringLogisticEngineeringUniversityChongqing401311ChinaAbstractThesingle-stagebiologicalcontactoxidationtankandPVCmodifiedfillerwereusedtotreatthesewage．Byanalyzingbiofilmformationandoperatingefficacybychangingthesewageconcentrationtemperaturegas-liquidratioinfluentflowandwefinallygetbetterworkingconditionsparameters．Ｒesultsshowsthatthesewageconcentrationandtemperaturehaveinfluenceonthebiofilmformationandthehighersewage’sconcentrationistheshorterbiofilmformationisbiofilmformationisshortwhentemperatureisabout30℃．Itisnecessarytohaveanappropriateamountofgas-liquidratio．Whentheaerobicbiologicalcontactmethodisusedtotreatthesewage．Forthesingle-stagebiologicalcontactoxidationtankshowninthispaperitisrecommendedtocontrolthegas-waterratioto10∶1．Keywordssingle-stagebiologicalcontactoxidationtankPVCmodifiedfillerworkingconditionsparameters。、、1。2－3。、4－5。、、、6－7。8－9。10。PVC、、、。11．1。1d、35L、KH2PO4、。NaHCO3pHpH7．0～7．5。BOD5667～1000mg/LCOD1410mg/L。1．2、、、、、、、PVC5∶3∶3∶1∶2∶5∶8∶73PVC1。1PVC。、。1m、1m、1．5m1m0．5m3、。。1．30．8m31dCOD。4h。PVCCOD1410mg/LCOD。25℃。22．1、11。631。CODCOD。1COD。1CODCOD95%。1COD/mg·L－1COD/mg·L－1COD/%/h109266945412236195471409709544162381954018999595382．212。20～37℃13。。。2。220～30℃30～35℃。30℃。2/℃20253035/h44．7444343．32．32COD。0．1m3/hCOD。24∶1～10∶1COD10∶1COD。COD10∶110∶1。2COD。4∶1。COD。。2．413－14。10∶10．05、0．08、0．10、0．13、0．15、0．18、0．20m3/h25℃。731PVC3COD。3COD。。COD。。3COD/m3·h－10．050．080．100．130．150．180．20COD/mg·L－1384047535664713、、、1PVC25℃。30℃。2。10∶1。3PVCCODPVCCOD。1．———D．2015．2．J．201338561－63．3．J．201036926－28．4．D．2004．5．J．2017165－66．6．J．2004548－12．7．J．20034431－34．8．J．200548－10．9HLYAYAVUZELEBISS．AtypicalapplicationofmagneticfieldinwastewatertreatmentwithfluidizedbedbiofilmreactorJ．ChemicalEngineeringCommunica-tions20031905－8599－609．10YAVUZHELEBISS．Effectsofmagneticfieldonac-tivityofactivatedsludgeinwastewatertreatmentJ．En-zyme＆MicrobialTechnology200026122－27．11．J．20174311－5．12．D．2015．13．M．3．200781－99．14．J．2006264333－336．831