化学混凝与曝气生物滤池组合工艺用于再生水处理中试研究潘孝宇

:2004-11-17:(1978-),,,.*潘孝宇1,宋乾武2,李秀金1*(11,100029;21,100012):(BAF),,,:Q(CODCr),Q(SS)Q()78,1113mgPL,12,Q(CODCr),Q(SS)Q()38,37mgPL,2BAF,CODCr,(50%)(EPP)SSCODCr110215m,,:;;;;:X70311:A:1001-6929(2005)06-0064-04ThePilot-ScaleResearchonaCombinedProcessesofBiologicalAerationFilterandChemicalCoagulationfortheTreatmentofWastewaterforReusePANXiao-yu1,SONGQian-wu2,LIXiu-jin1(1.BeijingUniversityofChemicalTechnology,Beijing100029,China;2.ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,China)Abstract:Biologicalaerationfilter(BAF)wascombinedwithchemicalcoagulationandusedforthetreatmentofwastewaterfrommunicipalwastewaterforthepurposeofreuse.TheresultsshowedthatCODCr,SS,NH4+-Nandcoloritywerereducedfrom78,11,13mgPL,and12timesininfluentto38,3,7mgPLand2timesineffluent,respectively,throughthetreatmentofthecombinedprocesses.AscomparedtothesingleprocessofBAF,thecombinedprocesseswerecapableofincreasingcolorityremovalobviously(byabout50%)andincreasingCODCrremovalefficiencyslightly.Forthefloatmediaoftheexpandpolymerizationpropylene(EPP),theoptimalheightofmediafilledis110mforSSremovaland215mforCODCrremoval,respectively,andNH4+-Nremovalincreaseswithmediaheight.Keywords:biofilmfiltration;coagulation;BAF;reusedwater;floatmedia,1P4,50%,1P3[1],,,[2],,,,,(BAF),,,,,BAFBAF[3],,,,1111186ResearchofEnvironmentalSciencesVol.18,No.6,2005DOI10.13198/j.res.2005.06.66.panxy.015,,,11Table1WaterqualityforexperimentmgPLQ(CODCr)Q(BOD5)Q(SS)PPNTUQ()pH9210141025102017161112651051013108719191072151110191012121814197141120145m@0145m@515m,014~110m,3m,(),0107gPcm3,,2~3mm11Fig.1Thetestdevice,,,BAF,BAF,BAF,BAF,,,23:;BAF;BAF2211,TX-2,(AS),,,80%,CODCr50%2Table2TheparameterofexperimentPeP(m#h-1)V()BV()P(L#s-1#m-2)P(L#s-1#m-2)8~251~3(015~2)B110715212BAF21211BAF[4],6,22,,Q(CODCr),,,,,,,CODCr[5],,2mPh,,2Q(CODCr)Fig.2RelationshipbetweenfiltrationrateandeffluentQ(CODCr)212122121211Q(DO)Q(SS),V()BV()1B1,Q(DO)Q(SS)33,,Q(DO),,,Q(DO)[6]3,,Q(SS),1m,Q(SS),Q(SS),2mPh,,SS2121212Q(CODCr)Q()Q(CODCr)Q()4,4,,,,CODCr,215m,Q(CODCr)4,656:,118m,Q(),,[7],,3Q(DO)Q(SS)Fig.3ChangeofQ(DO)andQ(SS)alongmediaheight4Q(CODCr)Q()Fig.4ChangeofQ(CODCr)andQ(NH4+-N)alongmediaheight21213,,BAF,BAF[8]112m,Q(SS),,012m,,,,,,,,,15min,5h,7d213BAFBAF,56(CJPT48-1999),,,,SS,,BAF50%(3)BAF,,7d4d,SS,115m,Q(CODCr)3,4BAF3,4,,,,Q(CODCr),40mgPLSS,BOD5,,,,,3BAFTable3BAFeffluentqualitymgPLQ(CODCr)Q(BOD5)Q(SS)PPNTUpHQ()78141111131012121871515174618510921016318714613P%4012538450701759174BAFTable4EffluentqualityofcoagulationandBAFprocessesmgPLQ(CODCr)Q(BOD5)Q(SS)PPNTUpHQ()7011819181812151371519113815514215210210714713P%4511391587108310861761181)[50[10[5[5615~910[101)56(CJPT48-1999)21452,,,,,BAF,,,,,66185Table5ThecomparingofthedifferentprocessesBAFP(104t#d-1)115115115Pm25002000400P104500520700P(#t-1)0135013001453a.BAF,,BAF,,56(CJPT48-1999),b.BAF,2mPh,Q(CODCr),,1mSS,215mCODCr:[1],,.[J].,2002,25(2):120-122.WuGang,WangZhongming,YanYewei.AdiscussiononthewaterreusemodelinChina[J].JournalofSSSRI,2002,25(2):120-122.[2].[M].:,2004.362-363.ShaoQing.Waterdisposalandreusetechnology[M].Beijing:ChemicalIndustryPress,2004.362-363.[3],,.[J].,2002,18(8):26-29.ZhangJie,CaoXiangsheng,MengXuezheng.Progressofbiologicalaerationfilter[J].ChinaWaterandWastewater,2002,18(8):26-29.[4]OgallaF,SibonyJ.Biocarboneaeratedfiltertenyearsaferpast,presentandplentyofpotential[J].WaterSciTechnol,1992,26(9P11):97-101.[5],,,.[J].,2002,23(1):58-61.GuoTianpeng,WangChengwen,ChenL™jun,etal.MunicipalwastewatertreatmentusingtheUpBiologicalAeratedFilter[J].ChineseJournalofEnvironmentalScience,2002,23(1):58-61.[6]AmarD,PortosJ.Theuseofanupflowfixedbedreactorfortreatmentofaprimarysettleddomesticsewage[J].WaterRes,1986,20(1):9-14.[7],,,.[J].,2002,20(4):11-16.WangLili,LiuHuanbin,HuYongyou,etal.Theeffectofmaterialheightsontheperformanceofbiologicalfilter[J].ChinaBiogas,2002,20(4):11-16.[8]PolancaDZF,MendezE.Spatialdistributionofbetertrophsandnitrifieinasubmergedbiofilterfornitrification[J].WaterRes,2000,43(16):4081-4089.(责任编辑孔欣)/0/020051017)19,,100,,,86,80/0)))56,,676: