城市供水过程最优待滤水浊度数学模型研究唐德翠

。。。、。[1]2“”。“”。。11.1、、pH[2]Z1=a0m1-a1Z0a2Ta3Pa41Z1Z0m1TPpHa1、a2、a3、a4。12131.5106412.5106353.5280002。TU911.2A1000-3770(2011)12-0024-0042011-06-092008B10341976－、[e-mail][e-mail]3712201112TECHNOLOGYOFWATERTREATMENTVol.37No.12Dec.,201124DOI:10.16796/j.cnki.1000-3770.2011.12.0061Z1=a0m1-a1Z0a221.2。。n=24(Z1-Z2)Qe03nZ1、Z2Qe0。23n=24(a0m1-a1Z0a2-Z2)Qe04[4]Qf=qs·S·(t1+t2+t3)+qw·S·(t2+t3)5Qfqsqwt1、t2、t3、S。1.3。FdFd=24Qm1C0+n·Qf·C16C0C1。46Fd=24Qm1C0+24(a0m1-a1Z0a2-Z2)Qe0·Qf·C17Fdm*=a0a1Z0a2QfC1C0·e0(a1+1)姨=λZ0a2(a1+1)姨8λ=Qf·C1C0·e0a0a182Z1*=a0m*λ=a0C0·e0Qf·C1·a0·a1m*=m*·C0·e0Qf·C1·a1991m2。58m*=a0a1Z0a2[C1SqSt1+(C1SqS+C1SqW)t2+(C1SqS+C1SqW)t3]C0·e0(a1+1)姨10210。2.110C0C1C0=0.55C1=1e0=150kg11.75m7.66m4.1m0.95～1.35mml.35m14.9L·s-1·m-24.8L·s-1·m-21.7L·s-1·m-2。3min5min5mint1=3t2=t3=5。10m*=3.78a0a1Z0a2(a1+1)姨112.210a0、a1、a22。222lnZ1=lna0-a1lnm1+a2lnZ01212。y=lnZ1lnm1lnZ0x1x2a0、a1、a225y1=β0+β1x11+β2x12y2=β0+β1x21+β2x22…yn=β0+β1xn1+β2xn2xxxxxxx13Y=y1y2…ynxxxxxxxxxxxxxxβ=β1β2β3xxxxxxxxxx=lna0-a1a2xxxxxxxxxxX=1x11x121x21x22………1xn1xn2xxxxxxxxxxxxxx13yixi1xi213m1m1=mQ×100014mQ。I/O。m、Q14m1m1Z0Z1431。31333a0=16.8a1=1.42a2=0.408a0、a1、a211m*=3.78a0a1Z0a2(a1+1)姨=(90.2Z00.408)0.413215159Z1*=m*·C0·e0Qf·C1·a1=0.16m*16151。1091～3。095～6。16122。23。22NTU。3mm、、。1Fig.1Dosagecomparisongraph010020030040050060070080030405060708090100
kgh 2Fig.2Turbiditycomparedcurve01002003004005006007000.00.51.01.52.02.53.0
NTU 371226STUDYONTHECHROMIUM(VI)REMOVALFROMAQUEOUSSOLUTIONUSINGFe-MnBIMETALOXIDEXuKe,LiuJuntan,PengWeigong,LiJianyun,WangXiangping,LiuLei（ZhengzhouInstituteofAeronauticalIndustryManagement,Zhengzhou450015,China）Abstract:Fe-Mnbimetaloxidewasusedfortheremovalofchromiumfromwastewater.TheeffectofpH,adsorbentdosage,reactiontime,initialconcentrationandtemperatureontheremovalofchromiumfromwastewaterwerestudied.TheresultsshowedthattheeffectivepHforadsorptionofchromiumwasintherangeof5.0to7.0,theremovalpercentageofchromiumreachedmaximumatpH6.0.Theremovalpercentageofchromiumincreasedwiththeincreaseofadsorbentdosageandthedecreaseofinitialchromiumconcentration.TheadsorptionofchromiumbyFe-Mnbimetaloxidewasrapid,adsorptionofchromiumwaswelldescribedbypseudo-second-ordermodel.Intherangeof20℃to60℃,temperaturedidnotsignificantlyaffecttheadsorptionofchromium.ThechromiumadsorptionisothermdatafitwelltotheFreundlichequation,theFreundlichconstant1/nwas0.363.Keywords：Fe-Mnbimetaloxide;chromium;removal;adsorption。、。。、。。[1],,.[J].,2005,25(9):49-51.[2],,.[J].,1999,19(4):1-2.[3].[J].,1992,18(5):41-42.[4],,,.[J].,2010,36(6):54-56.[5].[M].:,2000:56-66.RESEARCHONMATHEMATICALMODELOFOPTIMALWATERTURBIDITYBEFOREFILTERINGFORCITYWATERSUPPLYSYSTEMTangDecui1,2,ZhuXuefeng1,ZouZhenyu3（1.InstituteofAutomationScienceandEngineer,SouthChinaUniversityofTechnology,Guangzhou510641,China2.InstituteofAutomation,GuangdongPolytechnicNormalUniversity,Guangzhou510635,China3.ShakouWaterworks,FoshanWaterGroupCompany,Foshan528000,China）Abstract:Inthispaper,takingtheprocessenergyconsumptionofcoagulationandbackwashastargetfunction,theoptimaldosagemathematicalmodelhasbeensimpliedandimproved,andtheimprovedmodelwasappliedtoaspecificwaterplantinFoshan,accordingtothedesignparametersandreal-timeoperatingdata,theoptimaldosagemodelandthemathematicalexpressionofthemostpreferentialwaterturbiditybeforefilteringhavebeendetermined,lastlythemodelhasbeentestedbythereal-timedataandtheresultsshowedthatthemodelwasaccurate.Sothemodelcanbeprogrammedincomputertooptimizetheprocessandgivetheguidanceforoperatingworkers.Keywords：citywatersupply;coagulationdosing;waterturbiditybeforefiltering;mathematicalmodel!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!23!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.27