化学除磷计算

0,,,,(GB8978-1996),(P)015mg/L,,015mg/L,,1,11197519851989()119119119116310111315419310:g/(Ld),,510mg/L,,,(P3O5-10)()(PO3-4)2,,,,,(1),,FeCl3+K3PO4FePO4+3KCl(1):,,,,,,,(pH);,,,2,2(),3,,,,Fe3+Al3+Fe2+Vol126No19200017©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Fe2+,Fe3+,(2)(3)Al3++PO3-4AlPO4pH67(2)Fe3++PO3-4FePO4pH5515(3)OH-,(4)(5)Al3++3OH-Al(OH)3(4)Fe3++3OH-Fe(OH)3(5),,,,pH,pHpH510515,610710,pHFePO4AlPO4,,,,,,Ca2+,OH-,pH,,Ca(OH)2pH815(6):5Ca2++3PO3-4+OH-Ca5(PO4)3OHpH815(6)pH8151015,,,(7)Ca2++CO2-3CaCO3(7)pH,()pH,,,pH,22Al2(SO4)318H2OAl2(SO4)314H2OnAl2(SO4)3xH2O+mFe2(SO4)3yH2OAlCl3AlCl3+FeCl3[Al(OH)nCl3-n]mFeSO47H2OFeSO4FeClSO4FeCl3(40%)(40%)Ca(OH)240%4,:411,(),()(),,()1(1)(),,18Vol126No192000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.115215mg/L,412,50%,()2,,2413,(M),(F)()3,,pH,CO23,35(2)(3),1mol(31g)P1mol(56g)Fe,3,,;,;;();;,;,;;pH,;,,;,,;;,,,,118(56/31)Fe,019(27/31)Al1gP118gFe,019gAl100%,OH-,,(4)(5),,P,,:=molFemolAlmolP(8),,,4(Vol126No19200019©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.)=1;,=23,,4,(P1mg/L),115,1kg,:1155631=217kgFe,1152731=113kgAl,,pH815,(),,,:;61:10000m3/d,P14mg/L,P1mg/LAlCl3,Al6%(60gAl/kgAlCl3),113kg/L,:2mg/L,P11mg/L,P1mg/L:P=10000m3/d(01011-01001)kg/m3=100kg/d,115,Al:1152731100=130kgAl/d,:1301000(g/d)/60(g/kg)=2167kg/dAlCl3,:2167(kg/d)/1.3(kg/L)=1667L/d2:FeSO4,180gFe/kgFeSO4,10400gFeSO4/L,1:115,Fe:1155631100=270kgFe/d,:2701000(g/d)/180(g/kg)=1500kg/dFeSO4,:180(g/kg)0.4(kg/L)=72gFe/LFeSO4,:15001000(g/d)/72(g/L)=20833L/dFeSO47711,pH,(=115,)pH,110mg/L,015mg/L712(Cl-SO2-4),:1AlCl3,1kgAl319(33515/27=3194)kgCl-,Cl-1303194=513kgCl-/d,513kg/d1000/10000m3/d=5113mg/L;2FeSO4,1kgFe117((32+416)/56=1171)kgSO2-4,SO2-420Vol126No192000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.270117=46117kgSO2-4/d,46117kg/d1000/10000m3/d=4612mg/LCl-100mg/LSO2-4200mg/L,Cl-50%SO2-425%,,,()713,,Me(H2O)3+6(Me),,(9)Me(H2O)3+63H++Me(OH)3+3H2O(9)pH,,,,A131,,(10):SK0-SKe=SK=0107(NH3-N0-NH3-Ne+NO3-Ne-NO3-N0)+0106Fe3++0104Fe2++0111Al3+-(P0-Pc)(10)SK0,mmol/L;SKe,mmol/L;NH3-N0,mg/L;NH3-Ne,mg/L;NO3-Ne,mg/L;NO3-N0,mg/L;P0,mg/L;Pe,mg/L;Fe3+,mg/L;Fe2+,mg/L;Al3+,mg/L714,,,,,BOD5,=115,1kgFe215kg,1kgAl4kg715,,10%4,(,)41100FeCl301750190FeCl301851100FeSO411101135,,,,,:31400123:[phone]:2000O4O25Vol126No19200021©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.WATER&WASTEWATERENGINEERINGVol126No19September2000CONTENTSInvestigationandRecentStatusonManurePreparationofWastewaterSludgeWangHong(1)Abstract:Theexperimentofappliedwastewatersludgeonfarmandafforestforcropslikemaize,wheat,canna,cockscombandpoplarwasreviewedandtherecentmanufacturersresearchandpreparationprocessinthiscountrywerediscussedaswell.Thesemightbeanewwaytoutilizethewastewatersludgeforpracticalpurposes.ApplicationofAir2FloatingTechnologyinWaterTreatmentLiuWenjiangetal(4)Abstract:Thispaperpresentsanengineeringexampletointroducetheapplicationofair2floatingtechnologyinwatertreatmentandthisprocessprovedtobeagoodtreatmentmethodforreservoirwaterwithalgae,suspendedsub2stanceorwithcolorandodor.Alsothedesign,operationandmanagementofair2floatingbasinarediscussed.DesignandOperationofBIOLAKProcessCaoXiangdongetal(6)Abstract:GermandevelopedprocessBIOLAKhasbeenappliedinthiscountry.TheprocessschemeandtechnicalfeatureofBIOLAKandthedesignparametersofLongtianWTPandtheoperationdataofZhaoyuanWTPinShangdongprovincearepresentedinthispaper.ReconstructionofConventionalASPforNandPRemovalDuYinghaoetal(9)Abstract:AnexperimentwascarriedouttoimprovetheconventionalActivatedSludgeProcess(ASP)withoutanychangeoftheexistingequipmentandbuilding.Theperformancewasgoodenoughandstableinthecontrolofactivatedsludgebulking.Furthermore,itenhancedtheremovalofthenitrogenandphosphorus.TheremovalrateofNH3-Nwasupto73.3%.TheremovalrateofTPwasupto82.0%.Thequalityoftheeffluentwasimprovedevidently.SummaryonSpeedControlofHighPowerPumpsXiaoWeigui(12)Abstract:Therearesixpumpingassemblies,fourofspeedcontroltypeandtwoofconstantspeedtypeinstalledintheEastLakePumpingStationinShenzhencitywithtotaldesigncapacityof1080thousandcubicmetersperday.Thestructureofthespeedregulatingsystemandtheenergysavingofthispumpingstationarepresented,alsothemainte2nanceandproblemsareadded.DesignandOperationoftheThirdWaterworksinChangshuGuJunming(14)Abstract:TheThirdWaterworksinChangshucity,Jiangsuprovincehasdesigncapacitiesof200thousandcubicmetersperdayforthefirstphaseand400thousandcubicmetersperdayforthefinalrespectively.Thedesignandoper2ationofthisprojectaresummarized;especiallysomepersonalopinionstotheproblemsariseninoperationaresuggested.CalculationofChemicalPRemovalTangJianguoetal(17)Abstract:ThebasicconceptsofchemicalPremovalarepresentedandalsothechemicalagents,theprocessandthecalculationofchemicaldosageareadded.On2LinePO3-4-PMeasuringAppliedinBio2ChemicalPhosphorusRemovalProcessNiuXueyi(22)Abstract:AnonlinecontinuousPO3-4-PmonitoringsystemappliedinBio2ChemicalPhosphorusRemovalProcessofaWTPispresented.ComparisonofPre2OxidationandPre2ChlorinationforPermanganate