多级SMBBR工艺处理低CN比城市污水中试研究唐若凯

46920179AppliedChemicalIndustryVol．46No．9Sep．20172016-11-182017-01-18NJZY161641992－。[e-mail]1962－。[e-mail]/N111221121．0140102．014010SMBBＲS/A/SMBBＲSDC-03、DO。15℃SDC-0330dCOD70%NH4+-NTN150%TN、NH4+-NDO3mg/LSMBBＲSND。15℃30℃SMBBＲ。SMBBＲTQ085+．4X703A1671－3206201709－1728－05Biologicalnutrientremovalinmulti-SMBBＲprocesswhentreatinglowC/NratiomunicipalwastewaterTANGＲuo-kai1XIAOZuo-yi1YANGWen-huan1XIAOMing-hui2FANＲong-hua2LIWei-ping1JINGShuang-yi1KANGWen-qing21．CollegeofEnergyandEnvironmentInnerMongoliaUniversityofScienceandTechnologyBaotou014010China2．BaotouDrainageIndustrialCo．Ltd．Baotou014010ChinaAbstractThroughpilot-scaleexperimentalstudyonmulti-SMBBＲtechnologyS/A/SMBBＲasewagetreatmentplantofBaotoucitywastewaterwithlowcarbon-nitrogenratioofeffectivenessstudiedtheprocessofSDC-03bio-fillerforstart-upandnitrificationliquidrefluxratioandDOconcentrationandtheeffectoftemperatureonnitrogenremovaleffect．Ｒesultsshowedthatin15℃SDC-03packedin30daboutfilmandwaterofCODandammonianitrogenremovalrateof70%．Processofnitrificationliquidrefluxratioincreasedfrom50%to200%NH4+-NaverageremovalrateincreaseTNremovalratefirstincreasedandthendecreasedattherefluxratiois150%technologyaccesstoTNNH4+-Nthebesteffect．DissolvedoxygenDOataconcentrationof3mg/LSMBBＲtechniquebysimultaneousnitrifica-tionanddenitrificationSNDachievethebestnitrogeneffect．Temperatureincreasedfrom15℃to30℃thetechnologyofnitrogenremovalefficiencyincreasedbuttheeffectisnotobviousmulti-SMBBＲtechnologyhasgoodadaptabilitytochangesintemperature．Keywordsmulti-SMBBＲtechnologylowcarbon-nitrogenratiodomesticwastewaternitrogenremov-alnitrificationliquidrefluxratiodissolvedoxygentemperature1。DOI:10.16581/j.cnki.issn1671-3206.20170714.0189SMBBＲC/N。SMBBＲ2MBBＲSDC-03。MBBＲ、。SMBBＲSND3-5。MBBＲ。AMBBＲ6。SMBBＲ、DOSMBBＲ。11．112、、、、、、、、、、。1Table1InfluentqualityCOD/mg·L－1180～350255．5TN/mg·L－160～9075．5NH4+/mg·L－150～8057．8pH7～87．3C/N3．382Table2ThequalityofinoculatedsludgeMLSS/mg·L－14500MLVSS/mg·L－12531MLVSS/MLSS0．56SV/%62WXJ-IIIFA1004UV-3200PCWJ-SF-20HJ-2ABK3300PONSEL。1．2SMBBＲ1SMBBＲ192．6L、AMBBＲ183．6LSMBBＲ345．6L。SMBBＲAMBBＲ60～80r/min。1Fig．1Schematicdiagramoftheexperimentalequipment1．3DO、pHCODTN-NH+4-N。22．17。SMBBＲAMBBＲ50%50%SDC-0324h。1/321．6L/h36L/h。10d15d0．3mm、2。3CODNH4+-N。330dCOD70%。9271462Fig．2Biofilmshapeandmicroscopicexamination3COD、NH+4-NFig．3ThevariationofCODandNH+4-Nduringfillershangingmembrane2．22．2．1450%100%150%90%A200%。SMBBＲSMBBＲAMBBＲ。SMBBＲ。4NH4+-NFig．4TheremovalofNH4+-Nunderdifferentnitrificationliquidrefluxratio2．2．2550%79%TN16．75mg/LA。SMBBＲAMBBＲSMBBＲSMBBＲ-SNDTN。100%150%TNA。200%TN14．53mg/L。AMBBＲSMBBＲAMBBＲAMBBＲSMBBＲ。5TNFig．5TheremovalofTNunderdifferentnitrificationliquidrefluxratio03719SMBBＲC/NSMBBＲ、。2．3DOSMBBＲ。SNDDODODOSND8。SMBBＲDOSMBBＲ。2．3．1DO6DOSMBBＲ。DO1mg/L26．56%。DO。DO。DO3～4mg/L。DO5mg/L。6DONH+4-NFig．6InfluenceofDOconcentrationsonNH+4-Nremoval2．3．2DO7DOTN。DO1mg/L。DO3mg/L。DO3mg/L。DO。DO。7DOTNFig．7InfluenceofDOconcentrationsonTNremoval2．49SMBBＲ。2．4．18HＲT25．4h15202530℃93．76%94．98%96．33%96．10%。SMBBＲA。10。11。8NH+4-NFig．8InfluenceoftemperatureonNH+4-Nremoval2．4．29TNNH4+-N。TN。TN。137146TN。SMBBＲ。SNDHＲTSND、12-13。AMBBＲ。9TNFig．9InfluenceoftemperatureonTNremoval3115℃50%SDC-03SMBBＲ30d。。250%200%93．76%99．98%A。150%SMBBＲ。3DOSMBBＲ。DO3mg/LSMBBＲ。4SMBBＲHＲT。SMBBＲ。1．C/NJ．2009292225-230．2．CN201330132291．6P．2013-12-04．3MònicaEscolCasasＲaviKumarChhetriGordonOoietal．BiodegradationofpharmaceuticalsinhospitalwastewaterbystagedmovingbedbiofilmreactorsMB-BＲJ．WaterＲesearch201583293-302．4OdegarrdHGisviodBStricklandJ．Theinfluenceofcarri-ersizeandshapeinthemovingbedbionfilmreactorJ．WaterScienceTechnology2000414/5382-391．5WaltersEHilleAHeMetal．Simultaneousnitrifica-tion/denitrificationinabiofilmairliftsuspensionBASreactorwithbiodegradablecarriermaterialJ．WaterＲe-search200943184461-4468．6．AMBBＲJ．201230130-34．7．J．19928313-17．8．DOMBBＲJ．2006344514-517．9．MBBＲA2/OJ．2012352178-181．10ZinatizadehAALGhaytooliE．SimultaneousnitrogenandcarbonremovalfromwastewateratdifferentoperatingconditionsinamovingbedbiofilmreactorMBBＲprocessmodelingandoptimizationJ．JournaloftheTai-wanInstituteofChemicalEngineers20155398-111．11．———J．199921242-44．12．MBBＲJ．20144582920-2926．13．MBBＲ-SAJ．2012692995-2999．2371