Fenton混凝法处理造纸废水的试验研究

Fenton-混凝法处理造纸废水的试验研究周丹,呼世斌,张涛(,　712100)　:Fenton,:pH、H2O2FeSO4。,、,。:Fenton;　pH;　;　;　:X703　　:A　　:1003-6504(2004)-0007-03　　,,,,。、,。Fenton,、。,。、、,,,。,,,,。Fenton、。。1　1.1　实验用水,COD2500～3000mg/L,pH7.8～8.2,250,SS210～240mg/L.1.2　实验主要试剂及仪器H2O2(30%)、FeSO4(AR)、AlCl3·6H2O(AR)、FeCl3·6H2O(AR)、NaOH(AR)JJ-5、754-、pHS-3C、(、0.5～5mL、100～1000uL)、541-1。1.3　Fenton氧化实验100mLpH,H2O2,H2O2FeSO-4FeSO4,10min,FeSO40.1mol/L。1.4　絮凝试验:(1978-),,,。PAFC:0.5mol/LAlCl3、6H2OFeCl3、6H2O,[1]B=2、Al/Fe10∶3、24h、AlFe0.1mol/LPAFCPAFC,0.5min(240r/min),3min(60r/min),15min。COD、。1.5　测定方法:,1mg1000mL1[2]。:-,λmax。λmax(A0)[3]:=(1-A/A0)×100%COD:COD,。2　2.1　Fenton氧化的机理pH,pH3.5[4],pH,1。1　FentonpH1pH,pH3.5,pH5。,,·7·Fenton-　,,[5]。pH,H2SO4,SO2-4,。2.2　Fenton氧化中H2O2与FeSO4用量比例2H2O21mL,FeSO4,COD,。2H2O2FeSO42∶1。Fe2+,H2O2。,Fe2+H2O2,,Fe2+,。2　FeSO42.3　Fenton氧化中H2O2的用量处理的效果3100mL,H2O2,COD。,,。。3H2O215～20mL。3　H2O22.4　先氧化再絮凝与直接絮凝处理的效果比较100mLPAFC,CODPAFC,。,PAFC,。PAFC,,,,4。Fenton,,COD18%。45,PAFC2.5mL,,PAFC1mL(38mg/L)。4　FAFCCOD5　PAFC3　(1)Fenton,pH5、FeSO4H2O2,1∶2H2O215～20mL/L,。(2)Fenton,90%,COD80%,。,,,。。[][1]　,,.Al(Ⅲ)Fe(Ⅲ)[J].,1996,15(1):36-38.[2]　,,.[M].:,1996.[3]　.[J].,1994,16(5):14-16.[4]　.[M].:,2004.[5]　HiskiaMEcke,ATroupis,AKokorakis,etal.Sonolytic,Pho-tolyticandphotocatalyticdecompoistionofatrazineinthepres-enceofpolyoxomethalates[J].EnvironmentalScience&Technology.(:2004-03-15;:2004-05-14)(下转第65页)·8·　　　　　　　　　27　　20048　　　　　。、,。,,,。[][1]　,,.[J].,1998,19(5):87-91.[2]　,.[J].,1996,9(1):55-58.[3]　.[M].:,1996.56-58.[4]　.[M].:,1998.108-110.[5]　,.[M].:,1996.19-21.[6]　.--[J].,1991,12(3):18-23.[7]　,.[J].,2002,25(1):13-15.[8]　.[J].,1993,6(2):6-10.[9]　,.[J].,1990,(6):15-19.[10],,,.[J].,2000,5:5-7.[11],,.(GIS)[J].,2001,23(1):24-26.[12],.[J].,1990,10(4):439-442.[13],.[J].,2002,15(2):16-18.[14],,,.[J].,2001,14(14):28-30.[15],.[J].,2002,23(1):24-26.(:2004-01-07;:2004-04-13)StudyonUrbanNon-pointSourcePollutionandItsControlLINJi-quan,MAJun-jie,WANGBo-duo,TANGXiao-lan(DepartmentofEnvironmentScience,NorthwestUniversity,Xi'an710069)Abstract:Thispaperintroducedsomemodelsthatwerecurrentlyusedbasedonanalysisoffeaturesandmechanismofnon-pointsourcepollution,problemsandvariouscontrolmeasureswerealsodiscussed.Keywords:non-pointsourcepollution;model;preventionandcontrolmeasures;urbanarea(上接第8页)Pilot-scaleStudyonPapermakingWastewaterTreatmentwithFenton-coagulationMethodZHOUDan,HUShi-bin,ZHANGTao(CollegeofLifeScience,NorthwestAgriculturalUniversityofScienceandTechnology,Yangling712100)Abstract:PapermakingwastewaterwastreatedbycombinedmethodofFentonoxidationwithcoagulation,andbestconditionsofoxidationwasdeter-mined,suchasproperpHvalue,H2O2dosageaswellasbestdosageratiowithcatalystFeSO4.Theeffectofcoagulationpromotedbyoxidationwasdiscussed,andbetterconclusionwasobtainedbycomparingflocculant'sdosageandtreatmentefficiencyofFenton-coagulationprocesswithsignalco-agulation.Keywords:Fentonoxidization;properpHscope;thebestdosage;coagulation;papermakingwastewater·65·　,