不同流量分配对三段进水AO生物膜工艺的影响试验研究高晓波

215Vol．21No．520129JournalofHenanUniversityofUrbanConstructionSep．20122012－04－031986－。1674－7046201205－0030－06A/O710064A/OA/OA/O。CODα4mgCOD/mgNO3-N7mgCOD/mgNO3-NA/OCOD、94．85%、99．62%、75．81%96．71%、98．84%、78．42%α7mgCOD/mgNO3-Nα4mgCOD/mgNO3-N。X703．1A/A/OCOD。A/OAOTN。A/O0．4－0．4－0．2～0．33－0．33－0．341。C/NZhu2A/OC/NλmaxC/N10．594．5%3-4α7mgCOD/mgNO3-NαC/N3、5、7、9、11、135A/Oα4．0～5．0mgCOD/mgNO3-N6-7。A/OC/N10α4mgCOD/mgNO3-N7mgCOD/mgNO3-NDOI:10.14140/j.cnki.hncjxb.2012.05.004C/N10A/Oα。11．1CODαmgCOD/mgNO3-N8ΔSΔN=2．86×1+bH×θc1+bH×θc－YH×1+fD×bH×θc1ΔSCODCODmgCODΔNmgNO3-NYHmgCOD/mgCODfDbHd－1θcd。YH、bHfD0．67mgCOD/mgCOD9、0．2d－1100．21018．67mgCOD/mgNO3-N3．3mgCOD/mgNO3-N。A/Or1、r2、…、rnCODm1gCODαCODCODr1+r2+…+rn=12r1r2=r2r3=…=rn－1rn=mα3r1ri=m()αi－14ri=m/αn－i1+m/α+m/α2+…+m/αn－2+m/αn－1i=12…n－1n52．22．2．1A/O1。。43L33L10L。A/OAOAO1AO13215A/O2∶3AO。12hQ2．75L/h。A。ACODAR0．75。O25℃。5mg/L。1/g/LC6H12O6·H2O0．4128NH4HCO30．2259NaHCO30．2400KH2PO40．0176CaCl20．0044MgSO40．0050FeSO4·7H2O0．00702．2．2COD400mg/L40mg/LP10mg/LC∶N∶P=100∶10∶11。cheong11。2．2．35α4mgCOD/mgNO3-N7mgCOD/mg-NO3-NαC/N102。2A/OA1O1A2O2A3O3α=70．46－0．32－0．22－α=40．64－0．26－0．10－L1．117．636．706．755．385．423CODN-1--HACHpHPSH10。。90dA/O。2．2．4COD、、、、、、pH。NOX-N。123。33．1αCOD21A2ACODCOD94%。1ACODα4mgCOD/mgNO3-NA1ACODα7mgCOD/mgNO3-N、1ACOD1ACOD。4α4mgCOD/mgNO3-N1ANOx-Nα7mgCOD/mgNO3-N1ACOD2320129NOx-N。2ACODα4mgCOD/mgNO3-Nα7mgCOD/mgNO3-N2ACODCOD2ACOD。2COD34NOx-N53．2α51A、1O、2A3A98%。1Aα4mgCOD/mgNO3-Nα7mgCOD/mgNO3-N1A。1Oα4mgCOD/mgNO3-Nα7mgCOD/mgNO3-N1A1O1O。2Aα4mgCOD/mgNO3-Nα7mgCOD/mgNO3-N2A。3A3A32Oα4mgCOD/mgNO3-N3Aα7mgCOD/mgNO3-N33215A/O3A。3．3αNOx-N4。α4mgCOD/mgNO3-N1ANOx-Nα7mgCOD/mgNO3-N1ACOD3．11ACODNOx-N1ANOx-N。2ANOx-N4α4mgCOD/mgNO3-N2ANOx-Nα7mgCOD/mgNO3-N3．12ACODCODCOD2ANOx-N。3ANOx-N3ACOD3ACODNOx-N。ONOx-N。1ONOx-Nα4mgCOD/mgNO3-N1A1Oα7mgCOD/mgNO3-N1O1ONOx-N。3α4mgCOD/mgNO3-N2A2Oα7mgCOD/mgNO3-N2ONOx-N。3ONOx-N33A3ONOx-N。3．4α5α4mgCOD/mgNO3-N75．81%α7mgCOD/mgNO3-N78．42%α7mgCOD/mgNO3-Nα4mgCOD/mgNO3-N。A3．13．2。OAOOO。41A/OCOD、、。α4mgCOD/mgNOx-Nα=7mgCOD/mgNOx-NA/OCOD、、94．85%、99．62%、75．81%96．71%、98．84%、78．42%。2α4mgCOD/mgNOx-Nα7mg-COD/mgNO3-NA/O。1LarreaLLarreaAAyesaEetal．DevelopmentandverificationofdesignandoperationcriteriaforthestepfeedprocesswithnitrogenremovalJ．WaterScienceandTechnology2001431261268．2ZhuGBPengYZWangSYetal．Developmentandexperimentalevaluationofasteady-statemodelforthestep-feedbi-ologicalnitrogenremovalprocessJ．ChineseJournalofChemicalEngineering2007153411－417．3．A/OJ．2009352240－245．4．A/OJ．20093012608－2615．5．A/OJ．20104112532－2536．6．A/OJ201131101644～16507．A/OD．2011．43201298GradyCPLDaiggerGTLimHC．M．．2．2004．9IWATaskGrouponMathematicalModelingforDesignandOperationofBiologicalWastewaterTreatment．M．．2002．10Metcalf＆EddyInc．—M．．4．2004．11CheongDYHansenCL．Effectoffeedingstrategyonthestabilityofanaerobicsequencingbatchreactorresponsestoor-ganicloadingconditionsJ．BioresourceTechnology200899115058－5068．12．M．4．2002．ExperimentalStudyofinfluentflowdistributiononthreesectionsfeedA/ObiofilmprocessGAOXiao-boLIXiao-xiaWANGJian-wenSchoolofEnvironmentalScienceandEngineeringChang＇anUniversityXi＇an710064ChinaAbstractInfluentflowratedistributionshavesignificanteffectsonthetotalnitrogenTNremovalefficien-ciesofstepfeedingA/Obiologicalnitrogenremovalprocess．Inordertoimprovethetotalnitrogenremovalef-ficiencyofthestepfeedingA/Obiofilmnitrogenremovalprocesstheinfluentflowrateoftheprocesswasdis-tributedaccordingtothebiodegradablechemicaloxygendemandbCODamounttonitrateamountratiooftheinfluentinjectingintotheanoxicunitmgCOD/mgNO3-Nandremovalefficienciesofathree-stepfeedingbiofilmnitrogenremovalprocesstocontaminantswerestudiedundertwodifferentinfluentflowratedistribu-tions．Theresultsindicatedthatwhenequaledto4mgCOD/mgNO3-Nand7mgCOD/mgNO3-Nrespectivelyremovalefficienciesofthethree-stepfeedingA/ObiofilmnitrogenremovalprocesstoCODammonianitrogenandTNwere94．85%、99．61%、76．5%and96．71%、99．84%、78．54%Whenequaledto7mgCOD/mg-NO3-NtheTNremovalefficiencyoftheprocesswasalittlehigherthanthatof4mgCOD/mgNO3-N．Keywordsstepfeedingbiologicalnitrogenremovalinfluentflowratedistributions29Spectrophotometricdeterminationofglycineusing12-naphthoquinone-4-sulfonicacidsodiumZHANHai-hong1QIAOYue-chun2LIQuan-min31．DepartmentofBiochemistryPingdingshanEducationalCollegePingdingshan467000China2．HenanMechanicalandElectricalEngineeringCollegeXinxiang453002China3．SchoolofChemistryandEnvironmentalscienceHenannormalUniversityXinxiang453007ChinaAbstractAnewmethodforthedeterminationofglycinebyusing12-naphthoquinone-4-sulfonicsodiumNQSisestablished．ThemethodisbasedonthepinkproductformedfromglycinewithNQSinabufferso-lutionofpH10．0andthestoichiometricratiooftheproductis1∶1．Beer’slawisobeyedinarangeof0．4～80mg·L－1ofglycineatthemaximumabsorptionof474nmε=2．8×103L·mol－1cm－1．ThelinearregressionequationofthecalibrationgraphisA=0．01764+0．25291Cwithalinearregressioncorrelationcoefficientof0．9993．Thedetectionlimitis0．2μg·mL－1R．S．D．is0．64%andaveragerecoveryisover99．7%．Thisproposedmethodhasbeensuccessfullyappliedtothedeterminationofglycinewithsatisfactoryresults．Keywordsglycine12-naphthoquinone-4-sulfoni