反硝化聚磷过程影响因素及数学模型研究徐微

510Vol．5No．10201110ChineseJournalofEnvironmentalEngineeringOct．2011122*1．2300362．210096。、、。。X703A1673-9108201110-2267-06StudyontheinfluencingfactorsandmathematicalmodelofdenitrificationphosphateuptakeprocessXuWei12LüXiwu21．ResourceandEnvironmentCollegeAnhuiAgricultureUniversityHefei230036China2．SchoolofEnergyandEnvironmentSoutheastUniversityNanjing210096ChinaAbstractThedenitrificationphosphateuptakeprocessisthecorereactionprocessofdenitrificationphos-phorusremovaltechnics．SotheeffectofseveralimportantfactorsincludingtheamountofphosphorusreleaseperMLSSAPRPMMLSSandinitialnitrateconcentrationonthedenitrificationphosphateuptakeprocesswasin-vestigatedbyaseriesofbatchtestsandtheexperimentalsludgewastakenfromthetwo-sludgesystemofalabora-tory．TheexperimentalresultsshowedthatAPRPMhadobviouseffectonthephosphateuptakeprocessandboththespeedandpotentialofphosphateuptakeincreasedobviouslywiththeincreasingofAPRPMiftheelectronac-ceptorwasadequatebutitseemstohaveslighteffectonrisingtheexcessofPuptaketoincreaseAPRPM．MLSSwasalsoprovedaveryinfluentialfactorofthedenitrificationphosphateuptakewhentheorganiccarbonwasn’talimitingfactor．ThespeedofdenitrificationphosphatecouldbeacceleratedbyincreasingMLSS．Whileinitialni-trateconcentrationseemedtoinfluencethedenitrificationphosphateuptakeprocessslightlyifitwasadequateaselectronacceptor．Basedonpartoftheexperimentalresultsasimplifiedmodelofdenitrificationwasdeveloped．KeywordsdenitrificationandphosphorusremovaldenitrifyingphosphorusremovalinfluencingfactorsmathematicmodelBS20071142010－06－092010－11－011977～。[e-mail]*[e-mail]、、、。、、A2/O、。5。1-6。、、。11．1。15L/h、HRT5hHRT8hHRT2h。UNITANK。385%7。1．2。5～630min1L10min5～6。pH727～29℃。。1．2．1PHB8。。。1#～5#4.10～4.20g/LCOD150mg/L。1#～5#15、20、30、5090min2.09、3.07、5.13、6.107.06。1．2．2。COD250mg/L。8.77mgP/gMLSS1#～4#3h8.75～8.81mgP/gMLSS1#～4#MLSS1.11、2.10、3.094.39g/L。1．2．3。。8.49～8.51mgP/gMLSS3.54～3.57g/L。。1Ⅰ、Ⅱ、Ⅲ、、。8622101SPNO－3-NTable1InitialconcentrationsofSPandNO－3Nofeachtestmg/L1#2#3#4#5#6#ⅠSP34．3334．0834．834．635．16NO－3-N50．1251．4451．949．6950．01ⅡSP45．5745．5545．2745．85NO－3-N49．5750．5250．6950．49ⅢSP30．0634．0433．6935．9737．3740．37NO－3-N21．2730．5140．8450．3260．7869．279。22.11a、1b。20mg/L5mg/L、。。10。1a。0.25～0.88mgP/L·gMLSS。NO－3-NN2DPBPHBDPBPHB1b。。1Fig．1EffectofthemassofphosphorusreleasedbyperMLSSondenitrifyingphosphorusuptake1a。。96225。2．22a、2b。。2MLSSFig．2EffectofMLSSondenitrifyingphosphorusupake2bC/N。2．33a、3b。1#NO－3-N=21.27mg/L2#NO－3-N=30.51mg/L1#。3#NO－3-N=40．84mg/L、4#NO－3-N=50.32mg/L、5#NO－3-N=60.78mg/L、6#NO－3-N=69.27mg/L3Fig.3EffectofconcentrationofNO－3-Nondenitrifyingphosphorusuptake3。ASM2DSNO－3KNO－3+SNO－3SNO－3KNO－3。KNO－390.1～0.2mgNO－3-N/L。9KNO－3。PHB072210。3a1#“”“”。“”“”。3。ASM2DXPP。ASM2DUlfJepps-son11。ρρ=kppCMLSSSPO41CMLSSkpp。。AMS2DKPS110．2mg/L。1DPBPHBPHB。1。1ρ=Kp-uptCMLSS-q2CMLSS-qKp-upt。Kp-upt。1．2．1、1．2．22。2、Table2RelationofthedenitrifyingphosphorusuptakespeedperMLSSandreactiontime＆themassofphosphorusreleasedbyperMLSShmgP/L·h·gMLSS1234560．177．470．251．532．183．644．244．920．55．510．831．161．662．733．313．9414．651．670．891．312．012．543．0823．192．50．771．071．791．992．4832．693．670．560．821．371．641．94．51．9450．430．631．061．231．455．171．761～6mgP/L·gMLSS2．09、3．07、5．13、6．10、7．06、8．76。21～51．2．161．2．28．76mgP/L·gMLSS172252。2Kp-upt。4DPB1。2C/NPHB。3“”。4DPB。ρ=Kp-uptCMLSS-q。1．MLSS、pHNO－2-N．200521747-51WangYayiWangShuyingPengYongzhenetal．Influ-enceofMLSSpHandNO－2-Nconcentrationondenitrif-yingphosphorusremoval．ChinaWater＆Wastewater200521747-51inChinese2．．200521722-25CaoChangqingLeiZhongfangHuZhirongetal．Discussionontheaffectingfactorsofdenitrifyingphosphorusremoval．Chi-naWater＆Wastewater200521722-25inChinese3、、．．200622335-38LiXiangkunZhangJieHuangRongxinetal．Studyoncharacteristicofdenitrificationphosphorusremovalbacteria．ChinaWater＆Wastewater200622335-38inChinese4MerzoukiM．BernetN．DelgenesJ．P．etal．Effectofprefermentationondenitrifyingphosphorusremovalinslaughterhousewastewater．Bioresour．Technol．200596121317-13225ZhangHanminWangXiaolinXiaoJingnietal．En-hancedbiologicalnutrientremovalusingMUCT-MBRsys-tem．BioresourceTechnology200910031048-10546．A/A．200930102975-2980WangZhenYuanLinjiangLiuShuang．Improvementofdenitrifyingdephosphatationinananaerobic/anoxicse-quencingbatchreactoranditsstability．EnvironmentalSci-ence200930102975-2980inChinese7．．20092555-8XuWeiLuxiwuJiangBin．Enrichmentanddomestica-tionofdenitrifyingphosphorusremovalsludgeandthekeyparameterresearch．ChinaWater＆Wastewater20092555-8inChinese8BakerP．S．DoldP．I．Denitrificationbehaviorinbiologi-calexcessphosphorusremovalactiviatedsludgesystem．Water．Res．1996304769-7809．．2002IWAtranslatedbyZhangYaleiLiYongmei．ActivatdSludgeMathematicalModel．ShanghaiTongjiUniversityPress2002inChinese10．SBR．20082961526-1532WangYayiPengYongzhenYinFangfangetal．Char-acteristicsandaffectingfactorsofdenitrifyingphosphorusremovalintwo-sludgesequencingbatchreactor．Environ-mentalScience20082961526-1532inChinese11UlfJeppsson．Modellingaspectsofwastewatertreatmentprocesses．DoctoralDissertation．LundSwedenIndustrialAutomationDepartmentofIndustrialElectricalEngin