钢铁总排废水混凝过程的动态监测刘前军

12221．3100072．150090。PAMPAM。X703C1000－4602201121－0093－04DynamicMonitoringofCoagulationProcessofIronandSteelTotalDischargedWastewaterLIUQian-jun12NANJun2LIGui-bai21．ZhejiangUrbanandRuralPlanningDesignandResearchInstituteHangzhou310007China2．SchoolofMunicipalandEnvironmentalEngineeringHarbinInstituteofTechnologyHarbin150090ChinaAbstractDynamicmonitoringofcoagulationprocessofironandsteeltotaldischargedwastewaterwascarriedoutusingPDA2000thedynamicmonitoringcurveswereanalyzedandtherelationshipbe-tweenthemonitoringvalueandresidualturbiditywasdiscussed．Theresultsshowthatthecurvescanin-tuitivelyreflecttheaggregationandgrowthofflocsincoagulationprocessofironandsteeltotaldischargedwastewater．InthePAMoptimaldosagerangethemonitoringvalueisincreasedwithdecreaseofresidualturbiditysothePAMdosagecanbecontrolledautomaticallybythedosagecontrolsystemaccordingtothesettingmonitoringvalue．Keywordstotaldischargedwastewatercoagulationprocessdynamicmonitoring2009ZX07424－005－01。、1～5。FI。PAM·39·2721201111CHINAWATER＆WASTEWATERVol．27No．21Nov．2011PAM。PDA2000PAMPAM。11.1。PFSPAM。PFS1．47pH0．6～1．010%pH1．70～1．75。PAMPAM0．05%。1.2PFSPFSPAM。、。1。1Fig．1SchematicdiagramofexperimentalsetupPDA2000。①10min②0．07m/s3mm③300r/min1min80r/min4min④30s⑤20min30mm。22.1PFSPFS2。PFS20～50mg/L＜20mg/LPFS＞50mg/LPFS、。2PFSFig．2VariationofresidualturbiditywithPFSdosage2.2PFSPAMPFSPAMPFS20mg/LPAM0～0．375mg/L。2.2.13PAM。。PAMPAMPAMPAM。PFSPAMPAM、。3aPAM0．375mg/L3bPAM0．250．375mg/L3cPAM0．375mg/L。PAM、·49·2721．watergasheat．com。3FIFig．3VariationofdetectedvalueFIwithtimePAM。PAM＞0．25mg/L。PFSPAM。2.2.23PAM2、3、4minFI4FI。PFS20mg/LPAM0．1～0．25mg/L。PAM＜0．1mg/LPAM＞0．25mg/L。4FIFig．4RelationshipbetweenFIandresidualturbidity·59·．watergasheat．com27214PAM2、3、4minFI。4a2min3、4min4c4min4min2、3min。。PAM。3①PFS20～50mg/LPFS20mg/LPAM0．1～0．25mg/L。PFSPAMPAM。②。PAMPAM。1．J．2008242073－76．2．J．201026268－70．3．J．201026680－8[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2011－04－12921VreckoDHvalaNCarlssonB．Feedforward-feedbackcontrolofanactivatedsludgeprocessasimulationstudyJ．WaterSciTechnol2003471219－26．2IngildsenPJeepsonUOlssonG．Dissolvedoxygencon-trollerbasedonon-linemeasurementsofammoniumcom-biningfeedforwardandfeedbackJ．WaterSciTechnol2002454/5453－460．3KalkerTJJvanGoorCPRoelveldPJetal．Fuzzycontrolofaerationinanactivatedsludgewastewatertreat-mentplantdesignsimulationandevaluationJ．WaterSciTechnol199939471－78．4CauletPLefevreFBujonBetal．Automatedaerationmanagementinwastewatertreatmentinterestofapplica-tiontoserialbasinsconfigurationJ．WaterSciTechn-ol1998371235－42．5SerraltaJRibesJSecoAetal．Asupervisorycontrolsystemforoptimizingnitrogenremovalandaerationener-gysavingconsumptioninwastewatertreatmentplantsJ．WaterSciTechnol2002454/5309－316．6AyesaEGrauPSagarnaJMetal．Asupervisorycon-trolstrategiesforthene．WaterSciTechnol2006534/[e-mail]2011－06－14·69·2721．watergasheat．com